Add nokia5110 LCD support

This commit is contained in:
eddyem 2016-01-20 22:48:42 +03:00
parent 5a9f360a70
commit 1e27efc778
28 changed files with 2224 additions and 0 deletions

133
nokia5110/Makefile Normal file
View File

@ -0,0 +1,133 @@
BINARY = nokia5110
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
# change this linking script depending on particular MCU model,
# for example, if you have STM32F103VBT6, you should write:
LDSCRIPT = ld/stm32f103x8.ld
LIBNAME = opencm3_stm32f1
DEFS = -DSTM32F1 -DEBUG
OBJDIR = mk
INDEPENDENT_HEADERS=
FP_FLAGS ?= -msoft-float
ARCH_FLAGS = -mthumb -mcpu=cortex-m3 $(FP_FLAGS) -mfix-cortex-m3-ldrd
###############################################################################
# Executables
PREFIX ?= arm-none-eabi
RM := rm -f
RMDIR := rmdir
CC := $(PREFIX)-gcc
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
GDB := $(PREFIX)-gdb
STFLASH = $(shell which st-flash)
STBOOT = $(shell which stm32flash)
###############################################################################
# Source files
LDSCRIPT ?= $(BINARY).ld
SRC = $(wildcard *.c)
OBJS = $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
ifeq ($(strip $(OPENCM3_DIR)),)
OPENCM3_DIR := /usr/local/arm-none-eabi
$(info Using $(OPENCM3_DIR) path to library)
endif
INCLUDE_DIR = $(OPENCM3_DIR)/include
LIB_DIR = $(OPENCM3_DIR)/lib
SCRIPT_DIR = $(OPENCM3_DIR)/scripts
###############################################################################
# C flags
CFLAGS += -Os -g
CFLAGS += -Wall -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls
# -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections
###############################################################################
# C & C++ preprocessor common flags
CPPFLAGS += -MD
CPPFLAGS += -Wall -Werror
CPPFLAGS += -I$(INCLUDE_DIR) $(DEFS)
###############################################################################
# Linker flags
LDFLAGS += --static -nostartfiles
LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(*).map
LDFLAGS += -Wl,--gc-sections
###############################################################################
# Used libraries
LDLIBS += -l$(LIBNAME)
LDLIBS += -Wl,--start-group -lc -lgcc -Wl,--end-group
.SUFFIXES: .elf .bin .hex .srec .list .map .images
.SECONDEXPANSION:
.SECONDARY:
ELF := $(OBJDIR)/$(BINARY).elf
LIST := $(OBJDIR)/$(BINARY).list
BIN := $(BINARY).bin
HEX := $(BINARY).hex
all: bin
elf: $(ELF)
bin: $(BIN)
hex: $(HEX)
list: $(LIST)
$(OBJDIR):
mkdir $(OBJDIR)
$(OBJDIR)/%.o: %.c
@printf " CC $<\n"
$(CC) $(CFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $@ -c $<
$(SRC) : %.c : %.h $(INDEPENDENT_HEADERS)
@touch $@
%.h: ;
$(BIN): $(ELF)
@printf " OBJCOPY $(BIN)\n"
$(OBJCOPY) -Obinary $(ELF) $(BIN)
$(HEX): $(ELF)
@printf " OBJCOPY $(HEX)\n"
$(OBJCOPY) -Oihex $(ELF) $(HEX)
$(LIST): $(ELF)
@printf " OBJDUMP $(LIST)\n"
$(OBJDUMP) -S $(ELF) > $(LIST)
$(ELF): $(OBJDIR) $(OBJS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a
@printf " LD $(ELF)\n"
$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(ELF)
clean:
@printf " CLEAN\n"
$(RM) $(OBJS) $(OBJDIR)/*.d $(ELF) $(HEX) $(LIST) $(OBJDIR)/*.map
$(RMDIR) $(OBJDIR)
flash: $(BIN)
@printf " FLASH $(BIN)\n"
$(STFLASH) write $(BIN) 0x8000000
boot: $(BIN)
@printf " LOAD $(BIN) through bootloader\n"
$(STBOOT) -b$(BOOTSPEED) $(BOOTPORT) -w $(BIN)
.PHONY: clean elf hex list flash boot
#-include $(OBJS:.o=.d)

314
nokia5110/cdcacm.c Normal file
View File

@ -0,0 +1,314 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cdcacm.h"
#include "user_proto.h"
#include "main.h"
// Buffer for USB Tx
static uint8_t USB_Tx_Buffer[USB_TX_DATA_SIZE];
static uint8_t USB_Tx_ptr = 0;
// connection flag
uint8_t USB_connected = 0;
static const struct usb_device_descriptor dev = {
.bLength = USB_DT_DEVICE_SIZE,
.bDescriptorType = USB_DT_DEVICE,
.bcdUSB = 0x0200,
.bDeviceClass = USB_CLASS_CDC,
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.bMaxPacketSize0 = 64,
.idVendor = 0x0483,
.idProduct = 0x5740,
.bcdDevice = 0x0200,
.iManufacturer = 1,
.iProduct = 2,
.iSerialNumber = 3,
.bNumConfigurations = 1,
};
char usbdatabuf[USB_RX_DATA_SIZE]; // buffer for received data
int usbdatalen = 0; // lenght of received data
/*
* This notification endpoint isn't implemented. According to CDC spec its
* optional, but its absence causes a NULL pointer dereference in Linux
* cdc_acm driver.
*/
static const struct usb_endpoint_descriptor comm_endp[] = {{
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x83,
.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
.wMaxPacketSize = 16,
.bInterval = 255,
}};
static const struct usb_endpoint_descriptor data_endp[] = {{
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x01,
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
.wMaxPacketSize = 64,
.bInterval = 1,
}, {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x82,
.bmAttributes = USB_ENDPOINT_ATTR_BULK,
.wMaxPacketSize = 64,
.bInterval = 1,
}};
static const struct {
struct usb_cdc_header_descriptor header;
struct usb_cdc_call_management_descriptor call_mgmt;
struct usb_cdc_acm_descriptor acm;
struct usb_cdc_union_descriptor cdc_union;
} __attribute__((packed)) cdcacm_functional_descriptors = {
.header = {
.bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_CDC_TYPE_HEADER,
.bcdCDC = 0x0110,
},
.call_mgmt = {
.bFunctionLength =
sizeof(struct usb_cdc_call_management_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
.bmCapabilities = 0,
.bDataInterface = 1,
},
.acm = {
.bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_CDC_TYPE_ACM,
.bmCapabilities = 0,
},
.cdc_union = {
.bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_CDC_TYPE_UNION,
.bControlInterface = 0,
.bSubordinateInterface0 = 1,
},
};
static const struct usb_interface_descriptor comm_iface[] = {{
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_CLASS_CDC,
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
.bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
.iInterface = 0,
.endpoint = comm_endp,
.extra = &cdcacm_functional_descriptors,
.extralen = sizeof(cdcacm_functional_descriptors),
}};
static const struct usb_interface_descriptor data_iface[] = {{
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 1,
.bAlternateSetting = 0,
.bNumEndpoints = 2,
.bInterfaceClass = USB_CLASS_DATA,
.bInterfaceSubClass = 0,
.bInterfaceProtocol = 0,
.iInterface = 0,
.endpoint = data_endp,
}};
static const struct usb_interface ifaces[] = {{
.num_altsetting = 1,
.altsetting = comm_iface,
}, {
.num_altsetting = 1,
.altsetting = data_iface,
}};
static const struct usb_config_descriptor config = {
.bLength = USB_DT_CONFIGURATION_SIZE,
.bDescriptorType = USB_DT_CONFIGURATION,
.wTotalLength = 0,
.bNumInterfaces = 2,
.bConfigurationValue = 1,
.iConfiguration = 0,
.bmAttributes = 0x80,
.bMaxPower = 0x32,
.interface = ifaces,
};
static const char *usb_strings[] = {
"SAO RAS, Emelianov E.V.",
"Nokia 5110 control",
"0.1",
};
// default line coding: B115200, 1stop, 8bits, parity none
struct usb_cdc_line_coding linecoding = {
.dwDTERate = 115200,
.bCharFormat = USB_CDC_1_STOP_BITS,
.bParityType = USB_CDC_NO_PARITY,
.bDataBits = 8,
};
/* Buffer to be used for control requests. */
uint8_t usbd_control_buffer[128];
/**
* This function runs every time it gets a request for control parameters get/set
* parameter SET_LINE_CODING used to change USART1 parameters: if you want to
* change them, just connect through USB with required parameters
*/
static int cdcacm_control_request(usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf,
uint16_t *len, void (**complete)(usbd_device *usbd_dev, struct usb_setup_data *req)){
(void)complete;
(void)buf;
(void)usbd_dev;
char local_buf[10];
struct usb_cdc_line_coding lc;
switch (req->bRequest) {
case SET_CONTROL_LINE_STATE:{
if(req->wValue){ // terminal is opened
USB_connected = 1;
}else{ // terminal is closed
USB_connected = 0;
}
/*
* This Linux cdc_acm driver requires this to be implemented
* even though it's optional in the CDC spec, and we don't
* advertise it in the ACM functional descriptor.
*/
struct usb_cdc_notification *notif = (void *)local_buf;
/* We echo signals back to host as notification. */
notif->bmRequestType = 0xA1;
notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
notif->wValue = 0;
notif->wIndex = 0;
notif->wLength = 2;
local_buf[8] = req->wValue & 3;
local_buf[9] = 0;
usbd_ep_write_packet(usbd_dev, 0x83, local_buf, 10);
}break;
case SET_LINE_CODING:
if (!len || (*len != sizeof(struct usb_cdc_line_coding)))
return 0;
memcpy((void *)&lc, (void *)*buf, *len);
// Mark & Space parity don't support by hardware, check it
if(lc.bParityType == USB_CDC_MARK_PARITY || lc.bParityType == USB_CDC_SPACE_PARITY){
return 0; // error
}else{
// memcpy((void *)&linecoding, (void *)&lc, sizeof(struct usb_cdc_line_coding));
// UART_setspeed(USART1, &linecoding);
}
break;
case GET_LINE_CODING: // return linecoding buffer
if(len && *len == sizeof(struct usb_cdc_line_coding))
memcpy((void *)*buf, (void *)&linecoding, sizeof(struct usb_cdc_line_coding));
//usbd_ep_write_packet(usbd_dev, 0x83, (char*)&linecoding, sizeof(linecoding));
break;
default:
return 0;
}
return 1;
}
static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep){
(void)ep;
int len = usbd_ep_read_packet(usbd_dev, 0x01, usbdatabuf + usbdatalen, USB_RX_DATA_SIZE - usbdatalen);
usbdatalen += len;
if(usbdatalen >= USB_RX_DATA_SIZE){ // buffer overflow - drop all its contents
usbdatalen = 0;
}
}
static void cdcacm_data_tx_cb(usbd_device *usbd_dev, uint8_t ep){
(void)ep;
(void)usbd_dev;
usb_send_buffer();
}
static void cdcacm_set_config(usbd_device *usbd_dev, uint16_t wValue)
{
(void)wValue;
(void)usbd_dev;
usbd_ep_setup(usbd_dev, 0x01, USB_ENDPOINT_ATTR_BULK, USB_RX_DATA_SIZE, cdcacm_data_rx_cb);
usbd_ep_setup(usbd_dev, 0x82, USB_ENDPOINT_ATTR_BULK, USB_TX_DATA_SIZE, cdcacm_data_tx_cb);
usbd_ep_setup(usbd_dev, 0x83, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
usbd_register_control_callback(
usbd_dev,
USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
cdcacm_control_request);
}
static usbd_device *current_usb = NULL;
usbd_device *USB_init(){
current_usb = usbd_init(&stm32f103_usb_driver, &dev, &config,
usb_strings, 3, usbd_control_buffer, sizeof(usbd_control_buffer));
if(!current_usb) return NULL;
usbd_register_set_config_callback(current_usb, cdcacm_set_config);
return current_usb;
}
mutex_t send_block_mutex = MUTEX_UNLOCKED;
/**
* Put byte into USB buffer to send
* @param byte - a byte to put into a buffer
*/
void usb_send(uint8_t byte){
mutex_lock(&send_block_mutex);
USB_Tx_Buffer[USB_Tx_ptr++] = byte;
mutex_unlock(&send_block_mutex);
if(USB_Tx_ptr == USB_TX_DATA_SIZE){ // buffer can be overflowed - send it!
usb_send_buffer();
}
}
/**
* Send all data in buffer over USB
* this function runs when buffer is full or on SysTick
*/
void usb_send_buffer(){
if(MUTEX_LOCKED == mutex_trylock(&send_block_mutex)) return;
if(USB_Tx_ptr){
if(current_usb && USB_connected){
// usbd_ep_write_packet return 0 if previous packet isn't transmit yet
while(USB_Tx_ptr != usbd_ep_write_packet(current_usb, 0x82, USB_Tx_Buffer, USB_Tx_ptr));
usbd_poll(current_usb);
}
USB_Tx_ptr = 0;
}
mutex_unlock(&send_block_mutex);
}

54
nokia5110/cdcacm.h Normal file
View File

@ -0,0 +1,54 @@
/*
* ccdcacm.h
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __CCDCACM_H__
#define __CCDCACM_H__
#include <libopencm3/usb/usbd.h>
// commands through EP0
#define SEND_ENCAPSULATED_COMMAND 0x00
#define GET_ENCAPSULATED_RESPONSE 0x01
#define SET_COMM_FEATURE 0x02
#define GET_COMM_FEATURE 0x03
#define CLEAR_COMM_FEATURE 0x04
#define SET_LINE_CODING 0x20
#define GET_LINE_CODING 0x21
#define SET_CONTROL_LINE_STATE 0x22
#define SEND_BREAK 0x23
// Size of input/output buffers
#define USB_TX_DATA_SIZE 64
#define USB_RX_DATA_SIZE 64
// USB connection flag
extern uint8_t USB_connected;
extern struct usb_cdc_line_coding linecoding;
extern char usbdatabuf[];
extern int usbdatalen;
usbd_device *USB_init();
void usb_send(uint8_t byte);
void usb_send_buffer();
#endif // __CCDCACM_H__

260
nokia5110/font.c Normal file
View File

@ -0,0 +1,260 @@
/*
* font.c - russian font
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "font.h"
const U8 rusfont [] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// 32 [0x20] -
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00,// 33 [0x21] - !
0x00, 0x07, 0x00, 0x07, 0x00, 0x00,// 34 [0x22] - "
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00,// 35 [0x23] - #
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00,// 36 [0x24] - $
0x23, 0x13, 0x08, 0x64, 0x62, 0x00,// 37 [0x25] - %
0x36, 0x49, 0x55, 0x22, 0x50, 0x00,// 38 [0x26] - &
0x00, 0x05, 0x03, 0x00, 0x00, 0x00,// 39 [0x27] - '
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00,// 40 [0x28] - (
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00,// 41 [0x29] - )
0x08, 0x2A, 0x1C, 0x2A, 0x08, 0x00,// 42 [0x2a] - *
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00,// 43 [0x2b] - +
0x00, 0x50, 0x30, 0x00, 0x00, 0x00,// 44 [0x2c] - ,
0x08, 0x08, 0x08, 0x08, 0x08, 0x00,// 45 [0x2d] - -
0x00, 0x60, 0x60, 0x00, 0x00, 0x00,// 46 [0x2e] - .
0x20, 0x10, 0x08, 0x04, 0x02, 0x00,// 47 [0x2f] - /
0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00,// 48 [0x30] - 0
0x00, 0x42, 0x7F, 0x40, 0x00, 0x00,// 49 [0x31] - 1
0x42, 0x61, 0x51, 0x49, 0x46, 0x00,// 50 [0x32] - 2
0x21, 0x41, 0x45, 0x4B, 0x31, 0x00,// 51 [0x33] - 3
0x18, 0x14, 0x12, 0x7F, 0x10, 0x00,// 52 [0x34] - 4
0x27, 0x45, 0x45, 0x45, 0x39, 0x00,// 53 [0x35] - 5
0x3C, 0x4A, 0x49, 0x49, 0x30, 0x00,// 54 [0x36] - 6
0x01, 0x71, 0x09, 0x05, 0x03, 0x00,// 55 [0x37] - 7
0x36, 0x49, 0x49, 0x49, 0x36, 0x00,// 56 [0x38] - 8
0x06, 0x49, 0x49, 0x29, 0x1E, 0x00,// 57 [0x39] - 9
0x00, 0x36, 0x36, 0x00, 0x00, 0x00,// 58 [0x3a] - :
0x00, 0x56, 0x36, 0x00, 0x00, 0x00,// 59 [0x3b] - ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,// 60 [0x3c] - <
0x14, 0x14, 0x14, 0x14, 0x14, 0x00,// 61 [0x3d] - =
0x41, 0x22, 0x14, 0x08, 0x00, 0x00,// 62 [0x3e] - >
0x02, 0x01, 0x51, 0x09, 0x06, 0x00,// 63 [0x3f] - ?
0x32, 0x49, 0x79, 0x41, 0x3E, 0x00,// 64 [0x40] - @
0x7E, 0x11, 0x11, 0x11, 0x7E, 0x00,// 65 [0x41] - A
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00,// 66 [0x42] - B
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00,// 67 [0x43] - C
0x7F, 0x41, 0x41, 0x22, 0x1C, 0x00,// 68 [0x44] - D
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00,// 69 [0x45] - E
0x7F, 0x09, 0x09, 0x01, 0x01, 0x00,// 70 [0x46] - F
0x3E, 0x41, 0x41, 0x51, 0x32, 0x00,// 71 [0x47] - G
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00,// 72 [0x48] - H
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00,// 73 [0x49] - I
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00,// 74 [0x4a] - J
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00,// 75 [0x4b] - K
0x7F, 0x40, 0x40, 0x40, 0x40, 0x00,// 76 [0x4c] - L
0x7F, 0x02, 0x04, 0x02, 0x7F, 0x00,// 77 [0x4d] - M
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00,// 78 [0x4e] - N
0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00,// 79 [0x4f] - O
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00,// 80 [0x50] - P
0x3e, 0x41, 0x51, 0x21, 0xde, 0x00,// 81 [0x51] - Q
0x7F, 0x09, 0x19, 0x29, 0x46, 0x00,// 82 [0x52] - R
0x46, 0x49, 0x49, 0x49, 0x31, 0x00,// 83 [0x53] - S
0x01, 0x01, 0x7F, 0x01, 0x01, 0x00,// 84 [0x54] - T
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00,// 85 [0x55] - U
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00,// 86 [0x56] - V
0x7F, 0x20, 0x18, 0x20, 0x7F, 0x00,// 87 [0x57] - W
0x63, 0x14, 0x08, 0x14, 0x63, 0x00,// 88 [0x58] - X
0x03, 0x04, 0x78, 0x04, 0x03, 0x00,// 89 [0x59] - Y
0x61, 0x51, 0x49, 0x45, 0x43, 0x00,// 90 [0x5a] - Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// 91 [0x5b] - [
0x02, 0x04, 0x08, 0x10, 0x20, 0x00,// 92 [0x5c] - "\"
0x41, 0x41, 0x7F, 0x00, 0x00, 0x00,// 93 [0x5d] - ]
0x04, 0x02, 0x01, 0x02, 0x04, 0x00,// 94 [0x5e] - ^
0x40, 0x40, 0x40, 0x40, 0x40, 0x00,// 95 [0x5f] - _
0x00, 0x01, 0x02, 0x04, 0x00, 0x00,// 96 [0x60] - `
0x20, 0x54, 0x54, 0x54, 0x78, 0x00,// 97 [0x61] - a
0x7F, 0x48, 0x44, 0x44, 0x38, 0x00,// 98 [0x62] - b
0x38, 0x44, 0x44, 0x44, 0x20, 0x00,// 99 [0x63] - c
0x38, 0x44, 0x44, 0x48, 0x7F, 0x00,//100 [0x64] - d
0x38, 0x54, 0x54, 0x54, 0x18, 0x00,//101 [0x65] - e
0x00, 0x08, 0xfe, 0x09, 0x02, 0x00,//102 [0x66] - f
0x18, 0xa4, 0xa4, 0x94, 0x78, 0x00,//103 [0x67] - g
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00,//104 [0x68] - h
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00,//105 [0x69] - i
0x40, 0x80, 0x84, 0x7d, 0x00, 0x00,//106 [0x6a] - j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,//107 [0x6b] - k
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00,//108 [0x6c] - l
0x7C, 0x04, 0x18, 0x04, 0x78, 0x00,//109 [0x6d] - m
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00,//110 [0x6e] - n
0x38, 0x44, 0x44, 0x44, 0x38, 0x00,//111 [0x6f] - o
0xfc, 0x28, 0x24, 0x24, 0x18, 0x00,//112 [0x70] - p
0x18, 0x24, 0x24, 0x28, 0xfc, 0x00,//113 [0x71] - q
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00,//114 [0x72] - r
0x48, 0x54, 0x54, 0x54, 0x20, 0x00,//115 [0x73] - s
0x04, 0x3F, 0x44, 0x40, 0x20, 0x00,//116 [0x74] - t
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00,//117 [0x75] - u
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00,//118 [0x76] - v
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00,//119 [0x77] - w
0x44, 0x28, 0x10, 0x28, 0x44, 0x00,//120 [0x78] - x
0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00,//121 [0x79] - y
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00,//122 [0x7a] - z
0x00, 0x08, 0x36, 0x41, 0x00, 0x00,//123 [0x7b] - {
0x00, 0x00, 0x7F, 0x00, 0x00, 0x00,//124 [0x7c] - |
0x00, 0x41, 0x36, 0x08, 0x00, 0x00,//125 [0x7d] - }
0x08, 0x04, 0x08, 0x10, 0x08, 0x00,//126 [0x7e] - ~
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,//127 [0x7f] -
0x08, 0x08, 0x08, 0x08, 0x08, 0x08,//128 [0x80] - €
0x00, 0x00, 0xff, 0x00, 0x00, 0x00,//129 [0x81] - <20>
0x00, 0x00, 0xf8, 0x08, 0x08, 0x08,//130 [0x82] -
0x08, 0x08, 0xf8, 0x00, 0x00, 0x00,//131 [0x83] - ƒ
0x00, 0x00, 0x0f, 0x08, 0x08, 0x08,//132 [0x84] - „
0x08, 0x08, 0x0f, 0x00, 0x00, 0x00,//133 [0x85] - …
0x00, 0x00, 0xff, 0x08, 0x08, 0x08,//134 [0x86] - †
0x08, 0x08, 0xff, 0x00, 0x00, 0x00,//135 [0x87] - ‡
0x08, 0x08, 0xf8, 0x08, 0x08, 0x08,//136 [0x88] - ˆ
0x08, 0x08, 0x0f, 0x08, 0x08, 0x08,//137 [0x89] - ‰
0x08, 0x08, 0xff, 0x08, 0x08, 0x08,//138 [0x8a] - Š
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,//139 [0x8b] -
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,//140 [0x8c] - Œ
0xff, 0xff, 0xff, 0xff, 0xff, 0xff,//141 [0x8d] - <20>
0xff, 0xff, 0xff, 0x00, 0x00, 0x00,//142 [0x8e] - Ž
0x00, 0x00, 0x00, 0xff, 0xff, 0xff,//143 [0x8f] - <20>
0x00, 0xaa, 0x00, 0x55, 0x00, 0xaa,//144 [0x90] - <20>
0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,//145 [0x91] -
0x55, 0xff, 0x55, 0xff, 0x55, 0xff,//146 [0x92] -
0x00, 0x00, 0xfc, 0x02, 0x04, 0x00,//147 [0x93] - “
0x3c, 0x3c, 0x3c, 0x3c, 0x3c, 0x3c,//148 [0x94] - ”
0x00, 0x00, 0x18, 0x18, 0x00, 0x00,//149 [0x95] - •
0x08, 0x38, 0x40, 0x30, 0x0e, 0x01,//150 [0x96] -
0x24, 0x12, 0x24, 0x48, 0x24, 0x00,//151 [0x97] - —
0x00, 0x44, 0x4a, 0x51, 0x00, 0x00,//152 [0x98] - ˜
0x00, 0x51, 0x4a, 0x44, 0x00, 0x00,//153 [0x99] - ™
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,//154 [0x9a] - š
0x20, 0x40, 0x3f, 0x00, 0x00, 0x00,//155 [0x9b] -
0x00, 0x06, 0x09, 0x06, 0x00, 0x00,//156 [0x9c] - œ
0x00, 0x0d, 0x0b, 0x00, 0x00, 0x00,//157 [0x9d] - <20>
0x00, 0x00, 0x08, 0x00, 0x00, 0x00,//158 [0x9e] - ž
0x08, 0x08, 0x2a, 0x08, 0x08, 0x00,//159 [0x9f] - Ÿ
0x14, 0x14, 0x14, 0x14, 0x14, 0x14,//160 [0xa0] -  
0x00, 0xff, 0x00, 0xff, 0x00, 0x00,//161 [0xa1] - ¡
0x00, 0x00, 0xfc, 0x14, 0x14, 0x14,//162 [0xa2] - ¢
0x38, 0x55, 0x54, 0x55, 0x18, 0x00,//163 [0xa3] - £
0x00, 0xf8, 0x08, 0xf8, 0x08, 0x08,//164 [0xa4] - ¤
0x00, 0xfc, 0x04, 0xf4, 0x14, 0x14,//165 [0xa5] - ¥
0x14, 0x14, 0xfc, 0x00, 0x00, 0x00,//166 [0xa6] - ¦
0x08, 0xf8, 0x08, 0xf8, 0x00, 0x00,//167 [0xa7] - §
0x14, 0xf4, 0x04, 0xfc, 0x00, 0x00,//168 [0xa8] - ¨
0x00, 0x00, 0x1f, 0x14, 0x14, 0x14,//169 [0xa9] - ©
0x00, 0x0f, 0x08, 0x0f, 0x08, 0x08,//170 [0xaa] - ª
0x00, 0x1f, 0x10, 0x17, 0x14, 0x14,//171 [0xab] - «
0x14, 0x14, 0x1f, 0x00, 0x00, 0x00,//172 [0xac] - ¬
0x08, 0x0f, 0x08, 0x0f, 0x00, 0x00,//173 [0xad] - ­
0x14, 0x17, 0x10, 0x1f, 0x00, 0x00,//174 [0xae] - ®
0x00, 0x00, 0xff, 0x14, 0x14, 0x14,//175 [0xaf] - ¯
0x00, 0xff, 0x00, 0xff, 0x08, 0x08,//176 [0xb0] - °
0x00, 0xff, 0x00, 0xf7, 0x14, 0x14,//177 [0xb1] - ±
0x14, 0x14, 0xff, 0x00, 0x00, 0x00,//178 [0xb2] - ²
0x7e, 0x4b, 0x4a, 0x43, 0x42, 0x00,//179 [0xb3] - ³
0x08, 0xff, 0x00, 0xff, 0x00, 0x00,//180 [0xb4] - ´
0x14, 0xf7, 0x00, 0xff, 0x00, 0x00,//181 [0xb5] - µ
0x14, 0x14, 0xf4, 0x14, 0x14, 0x14,//182 [0xb6] - ¶
0x08, 0xf8, 0x08, 0xf8, 0x08, 0x08,//183 [0xb7] - ·
0x14, 0xf4, 0x04, 0xf4, 0x14, 0x14,//184 [0xb8] - ¸
0x14, 0x14, 0x17, 0x14, 0x14, 0x14,//185 [0xb9] - ¹
0x08, 0x0f, 0x08, 0x0f, 0x08, 0x08,//186 [0xba] - º
0x14, 0x17, 0x14, 0x17, 0x14, 0x14,//187 [0xbb] - »
0x14, 0x14, 0xff, 0x14, 0x14, 0x14,//188 [0xbc] - ¼
0x08, 0xff, 0x08, 0xff, 0x08, 0x08,//189 [0xbd] - ½
0x14, 0xf7, 0x00, 0xf7, 0x14, 0x14,//190 [0xbe] - ¾
0x3e, 0x5d, 0x55, 0x41, 0x3e, 0x00,//191 [0xbf] - ¿
0x7c, 0x10, 0x38, 0x44, 0x38, 0x00,//192 [0xc0] - À
0x20, 0x54, 0x54, 0x54, 0x78, 0x00,//193 [0xc1] - Á
0x3c, 0x4a, 0x4a, 0x49, 0x31, 0x00,//194 [0xc2] - Â
0x7c, 0x40, 0x40, 0x40, 0xfc, 0x00,//195 [0xc3] - Ã
0xe0, 0x54, 0x4c, 0x44, 0xfc, 0x00,//196 [0xc4] - Ä
0x38, 0x54, 0x54, 0x54, 0x18, 0x00,//197 [0xc5] - Å
0x30, 0x48, 0xfc, 0x48, 0x30, 0x00,//198 [0xc6] - Æ
0x7c, 0x04, 0x04, 0x04, 0x0c, 0x00,//199 [0xc7] - Ç
0x44, 0x28, 0x10, 0x28, 0x44, 0x00,//200 [0xc8] - È
0x7c, 0x20, 0x10, 0x08, 0x7c, 0x00,//201 [0xc9] - É
0x7c, 0x41, 0x22, 0x11, 0x7c, 0x00,//202 [0xca] - Ê
0x7c, 0x10, 0x28, 0x44, 0x00, 0x00,//203 [0xcb] - Ë
0x20, 0x44, 0x3c, 0x04, 0x7c, 0x00,//204 [0xcc] - Ì
0x7c, 0x08, 0x10, 0x08, 0x7c, 0x00,//205 [0xcd] - Í
0x7c, 0x10, 0x10, 0x10, 0x7c, 0x00,//206 [0xce] - Î
0x38, 0x44, 0x44, 0x44, 0x38, 0x00,//207 [0xcf] - Ï
0x7c, 0x04, 0x04, 0x04, 0x7c, 0x00,//208 [0xd0] - Ð
0x08, 0x54, 0x34, 0x14, 0x7c, 0x00,//209 [0xd1] - Ñ
0x7C, 0x14, 0x14, 0x14, 0x08, 0x00,//210 [0xd2] - Ò
0x38, 0x44, 0x44, 0x44, 0x20, 0x00,//211 [0xd3] - Ó
0x04, 0x04, 0x7c, 0x04, 0x04, 0x00,//212 [0xd4] - Ô
0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00,//213 [0xd5] - Õ
0x6c, 0x10, 0x7c, 0x10, 0x6c, 0x00,//214 [0xd6] - Ö
0x7c, 0x54, 0x54, 0x28, 0x00, 0x00,//215 [0xd7] - ×
0x7c, 0x50, 0x50, 0x20, 0x00, 0x00,//216 [0xd8] - Ø
0x7c, 0x50, 0x50, 0x20, 0x7c, 0x00,//217 [0xd9] - Ù
0x44, 0x44, 0x54, 0x54, 0x28, 0x00,//218 [0xda] - Ú
0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x00,//219 [0xdb] - Û
0x28, 0x44, 0x54, 0x54, 0x38, 0x00,//220 [0xdc] - Ü
0x7c, 0x40, 0x7c, 0x40, 0xfc, 0x00,//221 [0xdd] - Ý
0x0c, 0x10, 0x10, 0x10, 0x7c, 0x00,//222 [0xde] - Þ
0x04, 0x7c, 0x50, 0x50, 0x20, 0x00,//223 [0xdf] - ß
0x7f, 0x08, 0x3e, 0x41, 0x3e, 0x00,//224 [0xe0] - à
0x7e, 0x11, 0x11, 0x11, 0x7e, 0x00,//225 [0xe1] - á
0x7f, 0x49, 0x49, 0x49, 0x33, 0x00,//226 [0xe2] - â
0x7f, 0x40, 0x40, 0x40, 0xff, 0x00,//227 [0xe3] - ã
0xe0, 0x51, 0x4f, 0x41, 0xff, 0x00,//228 [0xe4] - ä
0x7f, 0x49, 0x49, 0x49, 0x41, 0x00,//229 [0xe5] - å
0x1c, 0x22, 0x7f, 0x22, 0x1c, 0x00,//230 [0xe6] - æ
0x7f, 0x01, 0x01, 0x01, 0x03, 0x00,//231 [0xe7] - ç
0x63, 0x14, 0x08, 0x14, 0x63, 0x00,//232 [0xe8] - è
0x7f, 0x10, 0x08, 0x04, 0x7f, 0x00,//233 [0xe9] - é
0x7c, 0x21, 0x12, 0x09, 0x7c, 0x00,//234 [0xea] - ê
0x7f, 0x08, 0x14, 0x22, 0x41, 0x00,//235 [0xeb] - ë
0x20, 0x41, 0x3f, 0x01, 0x7f, 0x00,//236 [0xec] - ì
0x7f, 0x02, 0x0c, 0x02, 0x7f, 0x00,//237 [0xed] - í
0x7f, 0x08, 0x08, 0x08, 0x7f, 0x00,//238 [0xee] - î
0x3e, 0x41, 0x41, 0x41, 0x3e, 0x00,//239 [0xef] - ï
0x7f, 0x01, 0x01, 0x01, 0x7f, 0x00,//240 [0xf0] - ð
0x46, 0x29, 0x19, 0x09, 0x7f, 0x00,//241 [0xf1] - ñ
0x7f, 0x09, 0x09, 0x09, 0x06, 0x00,//242 [0xf2] - ò
0x3e, 0x41, 0x41, 0x41, 0x22, 0x00,//243 [0xf3] - ó
0x01, 0x01, 0x7f, 0x01, 0x01, 0x00,//244 [0xf4] - ô
0x47, 0x28, 0x10, 0x08, 0x07, 0x00,//245 [0xf5] - õ
0x77, 0x08, 0x7f, 0x08, 0x77, 0x00,//246 [0xf6] - ö
0x7f, 0x49, 0x49, 0x49, 0x36, 0x00,//247 [0xf7] - ÷
0x22, 0x41, 0x49, 0x49, 0x3e, 0x00,//248 [0xf8] - ø
0x7f, 0x48, 0x30, 0x00, 0x7f, 0x00,//249 [0xf9] - ù
0x41, 0x49, 0x49, 0x49, 0x36, 0x00,//250 [0xfa] - ú
0x7f, 0x40, 0x7f, 0x40, 0x7f, 0x00,//251 [0xfb] - û
0x00, 0x7f, 0x48, 0x48, 0x30, 0x00,//252 [0xfc] - ü
0x7f, 0x40, 0x7f, 0x40, 0xff, 0x00,//253 [0xfd] - ý
0x07, 0x08, 0x08, 0x08, 0x7f, 0x00,//254 [0xfe] - þ
0x01, 0x7f, 0x48, 0x48, 0x30, 0x00,//255 [0xff] - ÿ
};
/**
* Return letter array
*/
const U8 *letter(U8 koi8){
U16 idx;
if(koi8 < 32) koi8 = 32;
idx = (koi8 - 32) * LTR_WIDTH;
return &rusfont[idx];
}

32
nokia5110/font.h Normal file
View File

@ -0,0 +1,32 @@
/*
* font.h
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __FONT_H__
#define __FONT_H__
#include <stdint.h>
typedef uint8_t U8;
typedef uint16_t U16;
#define LTR_WIDTH (6)
const U8 *letter(U8 koi8);
#endif // __FONT_H__

51
nokia5110/hw_init.c Normal file
View File

@ -0,0 +1,51 @@
/*
* hw_init.c
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "hw_init.h"
/**
* GPIO initialisaion: clocking + pins setup
*/
void GPIO_init(){
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN |
RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN |
RCC_APB2ENR_IOPEEN);
// USB_DISC: push-pull
gpio_set_mode(USB_DISC_PORT, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, USB_DISC_PIN);
// USB_POWER: open drain, externall pull down with R7 (22k)
gpio_set_mode(USB_POWER_PORT, GPIO_MODE_INPUT,
GPIO_CNF_INPUT_FLOAT, USB_POWER_PIN);
// LCD pins: DC, SCE, RST
gpio_set_mode(DC_PORT, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, DC_PIN | SCE_PIN | RST_PIN);
}
/*
* SysTick used for system timer with period of 1ms
*/
void SysTick_init(){
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8); // Systyck: 72/8=9MHz
systick_set_reload(8999); // 9000 pulses: 1kHz
systick_interrupt_enable();
systick_counter_enable();
}

74
nokia5110/hw_init.h Normal file
View File

@ -0,0 +1,74 @@
/*
* hw_init.h
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __HW_INIT_H__
#define __HW_INIT_H__
#include "main.h"
/*
* USB interface
*/
// USB_DICS (disconnect) - PC11
#define USB_DISC_PIN GPIO11
#define USB_DISC_PORT GPIOC
// USB_POWER (high level when USB connected to PC)
#define USB_POWER_PIN GPIO10
#define USB_POWER_PORT GPIOC
// change signal level on USB diconnect pin
#define usb_disc_high() gpio_set(USB_DISC_PORT, USB_DISC_PIN)
#define usb_disc_low() gpio_clear(USB_DISC_PORT, USB_DISC_PIN)
// in case of n-channel FET on 1.5k pull-up change on/off disconnect means low level
// in case of pnp bipolar transistor or p-channel FET on 1.5k pull-up disconnect means high level
#define usb_disconnect() usb_disc_high()
#define usb_connect() usb_disc_low()
void GPIO_init();
void SysTick_init();
/* here are functions & macros for changing command pins state:
* SET_DC() - set D/~C pin high (data)
* CLEAR_DC() - clear D/~C (command)
* CHIP_EN() - clear ~SCE
* CHIP_DIS() - set ~SCE (disable chip)
* CLEAR_RST() - set 1 on RST pin
* LCD_RST() - set 0 on RST pin
*/
/* pins:
* DC: PB6
* SCE: PB7
* RST: PB8
*/
#define DC_PORT GPIOB
#define SCE_PORT GPIOB
#define RST_PORT GPIOB
#define DC_PIN GPIO6
#define SCE_PIN GPIO7
#define RST_PIN GPIO8
#define SET_DC() do{GPIO_BSRR(DC_PORT) = DC_PIN;}while(0)
#define CLEAR_DC() do{GPIO_BSRR(DC_PORT) = DC_PIN << 16;}while(0)
#define CHIP_EN() do{GPIO_BSRR(SCE_PORT) = SCE_PIN << 16;}while(0)
#define CHIP_DIS() do{GPIO_BSRR(SCE_PORT) = SCE_PIN;}while(0)
#define CLEAR_RST() do{GPIO_BSRR(RST_PORT) = RST_PIN;}while(0)
#define LCD_RST() do{GPIO_BSRR(RST_PORT) = RST_PIN << 16;}while(0)
#endif // __HW_INIT_H__

View File

@ -0,0 +1,9 @@
stm32f103?4* stm32f1 ROM=16K RAM=6K
stm32f103?6* stm32f1 ROM=32K RAM=10K
stm32f103?8* stm32f1 ROM=64K RAM=20K
stm32f103?b* stm32f1 ROM=128K RAM=20K
stm32f103?c* stm32f1 ROM=256K RAM=48K
stm32f103?d* stm32f1 ROM=384K RAM=64K
stm32f103?e* stm32f1 ROM=512K RAM=64K
stm32f103?f* stm32f1 ROM=768K RAM=96K
stm32f103?g* stm32f1 ROM=1024K RAM=96K

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 16K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 6K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 32K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 10K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 384K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 512K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 768K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

View File

@ -0,0 +1,31 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Linker script for STM32F100x4, 16K flash, 4K RAM. */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f1.ld

107
nokia5110/main.c Normal file
View File

@ -0,0 +1,107 @@
/*
* main.c
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "main.h"
#include "hw_init.h"
#include "spi.h"
#include "cdcacm.h"
#include "pcd8544.h"
volatile uint32_t Timer = 0; // global timer (milliseconds)
usbd_device *usbd_dev;
/**
* print current time in milliseconds: 4 bytes for ovrvlow + 4 bytes for time
* with ' ' as delimeter
*/
void print_time(){
print_int(Timer);
}
int main(){
uint32_t Old_timer = 0;
// RCC clocking: 8MHz oscillator -> 72MHz system
rcc_clock_setup_in_hse_8mhz_out_72mhz();
GPIO_init();
usb_disconnect(); // turn off USB while initializing all
// USB
usbd_dev = USB_init();
// SysTick is a system timer with 1ms period
SysTick_init();
switch_SPI(SPI1);
SPI_init();
pcd8544_init();
usb_connect(); // turn on USB
pcd8544_print((uint8_t*)"÷ÓÅ × ÐÏÒÑÄËÅ\n\nAll OK\n");
uint8_t wb;
int i;
while(1){
usbd_poll(usbd_dev);
if(usbdatalen){
for(i = 0; i < usbdatalen; ++i){
uint8_t rb = (uint8_t)usbdatabuf[i];
wb = pcd8544_putch(rb);
if(wb == rb){
pcd8544_roll_screen();
wb = pcd8544_putch(rb);
}
if(wb != rb){
usb_send(rb);
if(wb == '\n') usb_send('\n');
}
}
usbdatalen = 0;
}
//check_and_parce_UART(USART1); // also check data in UART buffers
if(Timer - Old_timer > 999){ // one-second cycle
Old_timer += 1000;
//print_int(Timer / 1000);newline();
}else if(Timer < Old_timer){ // Timer overflow
Old_timer = 0;
}
}
}
/**
* SysTick interrupt: increment global time & send data buffer through USB
*/
void sys_tick_handler(){
Timer++;
usbd_poll(usbd_dev);
usb_send_buffer();
}
// pause function, delay in ms
void Delay(uint16_t time){
uint32_t waitto = Timer + time;
while(Timer < waitto);
}

52
nokia5110/main.h Normal file
View File

@ -0,0 +1,52 @@
/*
* main.h
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __MAIN_H__
#define __MAIN_H__
#include <stdlib.h>
#include <string.h> // memcpy
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/usb/cdc.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/cm3/systick.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/adc.h>
#include <libopencm3/stm32/dma.h>
#include <libopencm3/stm32/spi.h>
#include "sync.h" // mutexes
#include "user_proto.h"
#define _U_ __attribute__((__unused__))
#define U8(x) ((uint8_t) x)
#define U16(x) ((uint16_t) x)
#define U32(x) ((uint32_t) x)
extern volatile uint32_t Timer; // global timer (milliseconds)
void Delay(uint16_t time);
#endif // __MAIN_H__

BIN
nokia5110/nokia5110.bin Executable file

Binary file not shown.

236
nokia5110/pcd8544.c Normal file
View File

@ -0,0 +1,236 @@
/*
* pcd8544.c - functions for work with display controller
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/*
* we have two modes: direct write into LCD (with local buffer update) - for text
* and refresh whole buffer - for graphics
* all writings are in horizontal addressing mode
*/
#include "pcd8544.h"
// here should be functions spiWrite(U8 *data, bufsz_t size) & spi_write_byte(U8 onebyte)
// max SPI speed is 4MHz
#include "spi.h"
/* here are functions & macros for changing command pins state:
* SET_DC() - set D/~C pin high (data)
* CLEAR_DC() - clear D/~C (command)
* CHIP_EN() - clear ~SCE
* CHIP_DIS() - set ~SCE (disable chip)
* CLEAR_RST() - set 1 on RST pin
* LCD_RST() - set 0 on RST pin
*/
#include "hw_init.h"
#include <string.h>
const scrnsz_t LTRS_IN_ROW = XSIZE / LTR_WIDTH;
const scrnsz_t ROW_MAX = YSIZE / 8;
// array for fast pixel set/reset
const U8 const pixels_set[] = {1,2,4,8,0x10,0x20,0x40,0x80};
const U8 const pixels_reset[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
/**
* I use horizontal addressing of PCD8544, so data in buffer
* stored line by line, each byte is 8 vertical pixels (LSB upper)
*
* As refresh speed is fast enough, I don't use partial update for graphics
* (but use for letters)
*/
#define DISPLAYBUFSIZE (XSIZE*YCHARSZ)
static U8 displaybuf[DISPLAYBUFSIZE];
// current letter coordinates - for "printf"
static scrnsz_t cur_x = 0, cur_y = 0;
extern U8 bias, vop, temp;
void pcd8544_setbias(U8 val){
CMD(PCD8544_EXTENDEDINSTRUCTION);
SETBIAS(val);
CMD(PCD8544_DEFAULTMODE);
}
void pcd8544_setvop(U8 val){
CMD(PCD8544_EXTENDEDINSTRUCTION);
SETVOP(val);
CMD(PCD8544_DEFAULTMODE);
}
void pcd8544_settemp(U8 val){
CMD(PCD8544_EXTENDEDINSTRUCTION);
SETTEMP(val);
CMD(PCD8544_DEFAULTMODE);
}
/**
* Init SPI & display
*/
void pcd8544_init(){
CHIP_DIS();
SET_DC();
LCD_RST();
Delay(10);
CLEAR_RST(); // set ~RST to 1, performing out of RESET stage
// CMD(0x21); CMD(0xc8); CMD(0x06); CMD(0x13); CMD(0x20); CMD(0x0c);
// set LCD to optimal mode by datasheet: bias 1/48 (n=4), Vlcd 6.06 (Vop=50), normal Tcorr (1)
CMD(PCD8544_EXTENDEDINSTRUCTION);
SETBIAS(4);
SETVOP(65);
SETTEMP(1);
// return to regular instructions set, horizontal addressing & prepare normal display mode
CMD(PCD8544_DEFAULTMODE);
CMD(PCD8544_DISPLAYNORMAL);
pcd8544_cls();
}
/**
* Send command (cmd != 0) or data (cmd == 0) byte
*/
void pcd8544_send_byte(U8 byte, U8 cmd){
CHIP_EN();
if(cmd)
CLEAR_DC();
else
SET_DC();
spi_write_byte(byte);
}
/**
* Send data sequence
*/
void pcd8544_send_data(U8 *data, bufsz_t size, U8 cmd){
CHIP_EN();
if(cmd)
CLEAR_DC();
else
SET_DC();
spiWrite(data, size);
CHIP_DIS();
}
void draw_pixel(scrnsz_t x, scrnsz_t y, U8 set){
bufsz_t idx;
if(bad_coords(x,y)) return;
idx = x + (y/8) * XSIZE;
y %= 8;
if(set)
displaybuf[idx] |= pixels_set[y];
else
displaybuf[idx] &= pixels_reset[y];
}
void pcd8544_cls(){
memset(displaybuf, 0, DISPLAYBUFSIZE);
cur_x = cur_y = 0;
pcd8544_refresh();
}
/**
* send full data buffer onto display
*/
void pcd8544_refresh(){
SETXADDR(0);
SETYADDR(0);
DBUF(displaybuf, DISPLAYBUFSIZE);
}
/**
* draw letter at x,y position in char coordinates (XCHARSZ x YCHARSZ)
* @return 0 if fail
*/
int pcd8544_put(U8 koi8, scrnsz_t x, scrnsz_t y){
U8 *symbol;
bufsz_t idx;
if(x >= XCHARSZ || y >= YCHARSZ) return 0;
if(koi8 < 32) return 0;
symbol = (U8*)letter(koi8);
x *= LTR_WIDTH;
idx = x + y*XSIZE;
// put letter into display buffer
memcpy(&displaybuf[idx], symbol, LTR_WIDTH);
// and show it on display
SETXADDR(x);
SETYADDR(y);
DBUF(symbol, LTR_WIDTH);
return 1;
}
/**
* put char into current position or next line; return char if couldn't be printed
* (if OK return 0 or '\n' if newline was made)
*/
U8 pcd8544_putch(U8 chr){
scrnsz_t tabpos;
U8 ret = 0;
if(cur_x >= XCHARSZ || cur_y >= YCHARSZ) return chr;
if(chr < 32){ // special symbols
switch(chr){
case '\n': // carriage return - return to beginning of current line
++cur_y;
// here shouldn't be a "break" because '\n' == "\r\n"
case '\r': // newline
cur_x = 0;
break;
case '\b': // return to previous position (backspace)
if(cur_x) --cur_x;
break;
case '\t': // tabulation by 4 symbols
tabpos = ((cur_x>>2)<<2) + 4;
if(tabpos < XCHARSZ) cur_x = tabpos;
else return chr;
break;
}
}else{
// increment x position here (there could be not writeable letters)
pcd8544_put(chr, cur_x++, cur_y);
}
if(cur_x == XCHARSZ){
cur_x = 0;
++cur_y;
return '\n';
}
return ret;
}
/**
* print zero-terminated string from current (cur_x, cur_y)
* truncate long strings that don't fit into display
* @return NULL if all OK or pointer to non-printed string
*/
U8 *pcd8544_print(U8 *koi8){
while(*koi8){
U8 chr = *koi8;
if(pcd8544_putch(chr) == chr) return koi8;
++koi8;
}
return NULL;
}
/**
* roll screen by 1 line up
*/
void pcd8544_roll_screen(){
bufsz_t idx = DISPLAYBUFSIZE-XSIZE;
memmove(displaybuf, displaybuf + XSIZE, idx);
memset(displaybuf+idx, 0, XSIZE);
pcd8544_refresh();
if(cur_y) --cur_y;
}

121
nokia5110/pcd8544.h Normal file
View File

@ -0,0 +1,121 @@
/*
* pcd8544.h
*
* Copyright 2015 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __PCD8544_H__
#define __PCD8544_H__
#include "font.h"
// sizes in graphics (84x48) & char(letter 6x8 -> 14x6) mode
#define XSIZE (84)
#define XCHARSZ (XSIZE/LTR_WIDTH)
#define YSIZE (48)
#define YCHARSZ (YSIZE/8)
// type of screen size
typedef U8 scrnsz_t;
// type of screen buffer index (scrnsz_t^2)
typedef U16 bufsz_t;
extern const scrnsz_t LTRS_IN_ROW;
extern const scrnsz_t ROW_MAX;
#define bad_coords(x, y) (!(x < XSIZE && y < YSIZE))
#define bad_text_coords(col, row) (!(col < LTRS_IN_ROW && row < ROW_MAX))
/*
// bounding box
typedef struct{
scrnsz_t xmin,
scrnsz_t ymin,
scrnsz_t xmax,
scrnsz_t ymax
} bbox_t;
*/
void pcd8544_init();
void pcd8544_send_byte(U8 byte, U8 cmd);
void pcd8544_send_data(U8 *data, bufsz_t size, U8 cmd);
void draw_pixel(scrnsz_t x, scrnsz_t y, U8 set);
void pcd8544_cls();
void pcd8544_refresh();
int pcd8544_put(U8 koi8, scrnsz_t x, scrnsz_t y);
U8 *pcd8544_print(U8 *koi8);
U8 pcd8544_putch(U8 koi8);
void pcd8544_roll_screen();
void pcd8544_setbias(U8 val);
void pcd8544_setvop(U8 val);
void pcd8544_settemp(U8 val);
#define set_pixel(x,y) do{draw_pixel(x,y,1);}while(0)
#define clear_pixel(x,y) do{draw_pixel(x,y,0);}while(0)
/********************** PCD8544 protocol **********************/
// Function set: | 0 | 0 | 1 | 0 | 0 | PD | V | H |
#define PCD8544_POWERDOWN (0x24)
#define PCD8544_VERTADDRESSING (0x22)
#define PCD8544_EXTENDEDINSTRUCTION (0x21)
#define PCD8544_DEFAULTMODE (0x20)
/*
* functions with H=0 (basic)
*/
// Display control: | 0 | 0 | 0 | 0 | 1 | D | 0 | E |
#define PCD8544_DISPLAYBLANK (8)
#define PCD8544_DISPLAYFILLED (9)
#define PCD8544_DISPLAYNORMAL (0xc)
#define PCD8544_DISPLAYINVERTED (0xd)
// Set Xaddr: | 1 | X6 | X5 | X4 | X3 | X2 | X1 | X0 |
#define PCD8544_SETXADDR (0x80)
#define PCD8544_XADDR_MASK (0x7f)
// Set Yaddr: | 0 | 1 | 0 | 0 | 0 | Y2 | Y1 | Y0 |
#define PCD8544_SETYADDR (0x40)
#define PCD8544_YADDR_MASK (7)
/*
* functions with H=1 (extended)
*/
// Temperature control: | 0 | 0 | 0 | 0 | 0 | 1 | TC1 | TC0 |
#define PCD8544_SETTEMP (4)
#define PCD8544_TEMP_MASK (3)
// BIAS: | 0 | 0 | 0 | 1 | 0 | BS2 | BS1 | BS0 |
#define PCD8544_SETBIAS (0x10)
#define PCD8544_BIAS_MASK (7)
// VOP: | 1 | VOP6 | VOP5 | VOP4 | VOP3 | VOP2 | VOP1 | VOP0 |
#define PCD8544_SETVOP (0x80)
#define PCD8544_VOP_MASK (0x7f)
// | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
/********************** Shortened macros **********************/
#define CMD(x) do{pcd8544_send_byte(x, 1);}while(0)
#define DAT(x) do{pcd8544_send_byte(x, 0);}while(0)
#define CBUF(x,l) do{pcd8544_send_data(x, l, 1);}while(0)
#define DBUF(x,l) do{pcd8544_send_data(x, l, 0);}while(0)
// set bias level (look into datasheet, 4 - recommend)
#define SETBIAS(x) CMD(PCD8544_SETBIAS|(x&PCD8544_BIAS_MASK))
// set operation voltage (=3.06+0.06*x)
#define SETVOP(x) CMD(PCD8544_SETVOP |(x&PCD8544_VOP_MASK))
// temperature compensation: 0 - high, 1 - recommended, 2 - IC, 3 - minimal
#define SETTEMP(x) CMD(PCD8544_SETTEMP|(x&PCD8544_TEMP_MASK))
// x,y addressing
#define SETXADDR(x) CMD(PCD8544_SETXADDR|(x&PCD8544_XADDR_MASK))
#define SETYADDR(x) CMD(PCD8544_SETYADDR|(x&PCD8544_YADDR_MASK))
#endif // __PCD8544_H__

175
nokia5110/spi.c Normal file
View File

@ -0,0 +1,175 @@
/*
* spi.c
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "main.h"
#include "spi.h"
#include "hw_init.h"
uint32_t Current_SPI = SPI1; // this is SPI interface which would b
/**
* Set current SPI to given value
*/
void switch_SPI(uint32_t SPI){
Current_SPI = SPI;
}
/*
* Configure SPI ports
*/
/*
* SPI1 remapped:
* SCK - PB3
* MISO - PB4
* MOSI - PB5
*/
void SPI1_init(){
// enable AFIO & other clocking
rcc_peripheral_enable_clock(&RCC_APB2ENR,
RCC_APB2ENR_SPI1EN | RCC_APB2ENR_AFIOEN | RCC_APB2ENR_IOPBEN);
// remap SPI1 (change pins from PA5..7 to PB3..5); also turn off JTAG
gpio_primary_remap(AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_OFF, AFIO_MAPR_SPI1_REMAP);
// SCK, MOSI - push-pull output
gpio_set_mode(GPIO_BANK_SPI1_RE_SCK, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_SPI1_RE_SCK);
gpio_set_mode(GPIO_BANK_SPI1_RE_MOSI, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_SPI1_RE_MOSI);
// MISO - opendrain in
gpio_set_mode(GPIO_BANK_SPI1_RE_MISO, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_SPI1_RE_MISO);
spi_reset(SPI1);
/* Set up SPI in Master mode with:
* Clock baud rate: 1/128 of peripheral clock frequency (APB2, 72MHz)
* Clock polarity: CPOL=0, CPHA=0
* Data frame format: 8-bit
* Frame format: MSB First
*/
spi_init_master(SPI1, SPI_CR1_BAUDRATE_FPCLK_DIV_256, SPI_CR1_CPOL_CLK_TO_0_WHEN_IDLE,
SPI_CR1_CPHA_CLK_TRANSITION_1, SPI_CR1_DFF_8BIT, SPI_CR1_MSBFIRST);
nvic_enable_irq(NVIC_SPI1_IRQ); // enable SPI interrupt
spi_enable(Current_SPI);
}
/*
* SPI2:
* SCK - PB13
* MISO - PB14
* MOSI - PB15
*/
void SPI2_init(){
// turn on clocking
//rcc_periph_clock_enable(RCC_SPI2 | RCC_GPIOB);
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN);
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN | RCC_APB2ENR_IOPBEN);
// SCK, MOSI - push-pull output
gpio_set_mode(GPIO_BANK_SPI2_SCK, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_SPI2_SCK);
gpio_set_mode(GPIO_BANK_SPI2_MOSI, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_SPI2_MOSI);
// MISO - opendrain in
gpio_set_mode(GPIO_BANK_SPI2_MISO, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_SPI2_MISO);
spi_reset(SPI2);
/* Set up SPI in Master mode with:
* Clock baud rate: 1/64 of peripheral clock frequency (APB1, 36MHz)
* Clock polarity: Idle High
* Clock phase: Data valid on 2nd clock pulse
* Data frame format: 8-bit
* Frame format: MSB First
*/
spi_init_master(SPI2, SPI_CR1_BAUDRATE_FPCLK_DIV_64, SPI_CR1_CPOL_CLK_TO_0_WHEN_IDLE,
SPI_CR1_CPHA_CLK_TRANSITION_1, SPI_CR1_DFF_8BIT, SPI_CR1_MSBFIRST);
// nvic_enable_irq(NVIC_SPI2_IRQ); // enable SPI interrupt
spi_enable(Current_SPI);
}
void SPI_init(){
switch(Current_SPI){
case SPI1:
SPI1_init();
break;
case SPI2:
SPI2_init();
break;
default:
return; // error
}
}
/**
* send 1 byte blocking
* return 1 on success
*/
uint8_t spi_write_byte(uint8_t data){
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
SPI_DR(Current_SPI) = data;
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
while(!(SPI_SR(Current_SPI) & SPI_SR_RXNE));
(void)SPI_DR(Current_SPI);
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
while(SPI_SR(Current_SPI) & SPI_SR_BSY);
return 1;
}
/**
* Blocking rite data to current SPI
* @param data - buffer with data
* @param len - buffer length
* @return 0 in case of error (or 1 in case of success)
*/
uint8_t spiWrite(uint8_t *data, uint16_t len){
uint16_t i;
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
for(i = 0; i < len; ++i){
SPI_DR(Current_SPI) = data[i];
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
}
while(!(SPI_SR(Current_SPI) & SPI_SR_RXNE));
(void)SPI_DR(Current_SPI);
while(!(SPI_SR(Current_SPI) & SPI_SR_TXE));
while(SPI_SR(Current_SPI) & SPI_SR_BSY);
return 1;
}
/*
// SPI interrupt
void spi_isr(uint32_t spi){
// TX empty
if(SPI_SR(spi) & SPI_SR_TXE){
if(SPI_TxIndex < SPI_datalen){ // buffer still not sent fully
// Send Transaction data
SPI_DR(spi) = SPI_TxBuffer[SPI_TxIndex++];
}else{ // disable TXE interrupt + set EOT flag
spi_disable_tx_buffer_empty_interrupt(spi);
//spi_disable(spi);
SPI_EOT_FLAG = 1;
while(SPI_SR(spi) & SPI_SR_BSY);
}
}
SPI_SR(spi) = 0; // clear all interrupt flags
}
// interrupts for SPI1 & SPI2
void spi1_isr(){
spi_isr(SPI1);
}
void spi2_isr(){
spi_isr(SPI2);
}
*/

33
nokia5110/spi.h Normal file
View File

@ -0,0 +1,33 @@
/*
* spi.h
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __SPI_H__
#define __SPI_H__
void SPI_init();
uint8_t spiWrite(uint8_t *data, uint16_t len);
extern uint32_t Current_SPI;
uint8_t spi_write_byte(uint8_t data);
void switch_SPI(uint32_t SPI);
#endif // __SPI_H__

93
nokia5110/sync.c Normal file
View File

@ -0,0 +1,93 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Fergus Noble <fergusnoble@gmail.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* TODO:
* implement mutexes for other type of MCU (which doesn't have strex & ldrex)
*/
#include <libopencm3/cm3/sync.h>
/* DMB is supported on CM0 */
void __dmb()
{
__asm__ volatile ("dmb");
}
/* Those are defined only on CM3 or CM4 */
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
uint32_t __ldrex(volatile uint32_t *addr)
{
uint32_t res;
__asm__ volatile ("ldrex %0, [%1]" : "=r" (res) : "r" (addr));
return res;
}
uint32_t __strex(uint32_t val, volatile uint32_t *addr)
{
uint32_t res;
__asm__ volatile ("strex %0, %2, [%1]"
: "=&r" (res) : "r" (addr), "r" (val));
return res;
}
void mutex_lock(mutex_t *m)
{
uint32_t status = 0;
do {
/* Wait until the mutex is unlocked. */
while (__ldrex(m) != MUTEX_UNLOCKED);
/* Try to acquire it. */
status = __strex(MUTEX_LOCKED, m);
/* Did we get it? If not then try again. */
} while (status != 0);
/* Execute the mysterious Data Memory Barrier instruction! */
__dmb();
}
void mutex_unlock(mutex_t *m)
{
/* Ensure accesses to protected resource are finished */
__dmb();
/* Free the lock. */
*m = MUTEX_UNLOCKED;
}
/*
* Try to lock mutex
* if it's already locked or there was error in STREX, return MUTEX_LOCKED
* else return MUTEX_UNLOCKED
*/
mutex_t mutex_trylock(mutex_t *m){
uint32_t status = 0;
mutex_t old_lock = __ldrex(m); // get mutex value
// set mutex
status = __strex(MUTEX_LOCKED, m);
if(status == 0) __dmb();
else old_lock = MUTEX_LOCKED;
return old_lock;
}
#endif

53
nokia5110/sync.h Normal file
View File

@ -0,0 +1,53 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Fergus Noble <fergusnoble@gmail.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_CM3_SYNC_H
#define LIBOPENCM3_CM3_SYNC_H
void __dmb(void);
/* Implements synchronisation primitives as discussed in the ARM document
* DHT0008A (ID081709) "ARM Synchronization Primitives" and the ARM v7-M
* Architecture Reference Manual.
*/
/* --- Exclusive load and store instructions ------------------------------- */
/* Those are defined only on CM3 or CM4 */
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
uint32_t __ldrex(volatile uint32_t *addr);
uint32_t __strex(uint32_t val, volatile uint32_t *addr);
/* --- Convenience functions ----------------------------------------------- */
/* Here we implement some simple synchronisation primitives. */
typedef uint32_t mutex_t;
#define MUTEX_UNLOCKED 0
#define MUTEX_LOCKED 1
void mutex_lock(mutex_t *m);
void mutex_unlock(mutex_t *m);
mutex_t mutex_trylock(mutex_t *m);
#endif
#endif

103
nokia5110/user_proto.c Normal file
View File

@ -0,0 +1,103 @@
/*
* user_proto.c
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "cdcacm.h"
#include "main.h"
#include "hw_init.h"
#include "pcd8544.h"
/**
* show entered integer value
*/
uint8_t show_int(int32_t v){
newline();
print_int(v);
newline();
return 0;
}
/**
* parse command buffer when a full string comes
* return 0 if buffer processed or len if there's not enough data in buffer
*/
/*
void parse_incoming_buf(uint8_t *buf, int len){
int curpos;
uint8_t *strbeg = buf;
for(curpos = 0; curpos < len; ++curpos){
if(buf[curpos] == '\n'){
buf[curpos] = 0;
pcd8544_print(strbeg);
P(strbeg);
P(" printed!\n");
strbeg = &buf[curpos + 1];
}
}
}*/
/**
* Send char array wrd thru USB or UART
*/
void prnt(uint8_t *wrd){
if(!wrd) return;
while(*wrd) usb_send(*wrd++);
}
/**
* Print buff as hex values
* @param buf - buffer to print
* @param l - buf length
* @param s - function to send a byte
*/
void print_hex(uint8_t *buff, uint8_t l){
void putc(uint8_t c){
if(c < 10)
usb_send(c + '0');
else
usb_send(c + 'a' - 10);
}
usb_send('0'); usb_send('x'); // prefix 0x
while(l--){
putc(buff[l] >> 4);
putc(buff[l] & 0x0f);
}
}
/**
* Print decimal integer value
* @param N - value to print
* @param s - function to send a byte
*/
void print_int(int32_t N){
uint8_t buf[10], L = 0;
if(N < 0){
usb_send('-');
N = -N;
}
if(N){
while(N){
buf[L++] = N % 10 + '0';
N /= 10;
}
while(L--) usb_send(buf[L]);
}else usb_send('0');
}

45
nokia5110/user_proto.h Normal file
View File

@ -0,0 +1,45 @@
/*
* user_proto.h
*
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __USER_PROTO_H__
#define __USER_PROTO_H__
#include "cdcacm.h"
// shorthand for prnt
#define P(arg) do{prnt((uint8_t*)arg);}while(0)
// debug message - over USB
#ifdef EBUG
#define DBG(a) do{prnt((uint8_t*)a);}while(0)
#else
#define DBG(a)
#endif
void prnt(uint8_t *wrd);
#define newline() usb_send('\n')
void print_int(int32_t N);
void print_hex(uint8_t *buff, uint8_t l);
//void parse_incoming_buf(uint8_t *buf, int len);
#endif // __USER_PROTO_H__