eddy/stm32samples
1
0
Fork 0
mirror of https://github.com/eddyem/stm32samples.git synced 2026-02-28 03:44:30 +03:00
Code Issues Packages Projects Releases Wiki Activity

restructuring

Browse Source
This commit is contained in:
Edward Emelianov
2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
Download Patch File Download Diff File Expand all files Collapse all files

133
deprecated/F0/blink/Makefile Normal file
View File

@@ -0,0 +1,133 @@
BINARY = blink
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/stm32f042k.ld
LIBNAME = opencm3_stm32f0
DEFS = -DSTM32F0 -DSTM32F042x6 -DEBUG
OBJDIR = mk
INDEPENDENT_HEADERS=
FP_FLAGS ?= -msoft-float
ARCH_FLAGS = -mthumb -mcpu=cortex-m0 $(FP_FLAGS)
###############################################################################
# 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 = $(OPENCM3_DIR)/scripts
###############################################################################
# C flags
CFLAGS += -O2 -g
CFLAGS += -Wall -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls
# -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections
###############################################################################
# C & C++ preprocessor common flags
CPPFLAGS += -MD
CPPFLAGS += -Wall -Werror
CPPFLAGS += -I$(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: list 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)

BIN
deprecated/F0/blink/blink.bin Normal file
View File

Binary file not shown.

31
deprecated/F0/blink/ld/stm32f042k.ld Normal file
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 = 6K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f0.ld

63
deprecated/F0/blink/stm32f0.h Normal file
View File

@@ -0,0 +1,63 @@
/*
* stm32f0.h
*
* Copyright 2017 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 <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/flash.h>
#define RCC_CFGR_PLLXTPRE_HSE_CLK 0x0
#define RCC_CFGR_PLLXTPRE_HSE_CLK_DIV2 0x1
#define RCC_CFGR_PLLSRC_HSI_CLK_DIV2 0x0
#define RCC_CFGR_PLLSRC_HSE_CLK 0x1
inline void rcc_clock_setup_in_hse_8mhz_out_48mhz(void){
RCC_CR |= RCC_CR_HSEON;
while ((RCC_CIR & RCC_CIR_HSERDYF) != 0);
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_HSE;
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_HPRE) | RCC_CFGR_HPRE_NODIV;
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_PPRE) | RCC_CFGR_PPRE_NODIV;
FLASH_ACR = (FLASH_ACR & ~FLASH_ACR_LATENCY) | FLASH_ACR_LATENCY_024_048MHZ;
/* PLL: 8MHz * 6 = 48MHz */
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_PLLMUL) | RCC_CFGR_PLLMUL_MUL6;
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_PLLSRC) | (RCC_CFGR_PLLSRC_HSE_CLK << 16);
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_PLLXTPRE) | (RCC_CFGR_PLLXTPRE_HSE_CLK << 17);
RCC_CR |= RCC_CR_PLLON;
while ((RCC_CIR & RCC_CIR_PLLRDYF) != 0);
RCC_CFGR = (RCC_CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;
}
inline void pin_toggle(uint32_t gpioport, uint16_t gpios){
uint32_t port = GPIO_ODR(gpioport);
GPIO_BSRR(gpioport) = ((port & gpios) << 16) | (~port & gpios);
}
inline void pin_set(uint32_t gpioport, uint16_t gpios){GPIO_BSRR(gpioport) = gpios;}
inline void pin_clear(uint32_t gpioport, uint16_t gpios){GPIO_BSRR(gpioport) = (gpios << 16);}
inline int pin_read(uint32_t gpioport, uint16_t gpios){return GPIO_IDR(gpioport) & gpios ? 1 : 0;}
inline void pin_write(uint32_t gpioport, uint16_t gpios){GPIO_ODR(gpioport) = gpios;}
//#define do{}while(0)

82
deprecated/F0/blink/systick_blink.c Normal file
View File

@@ -0,0 +1,82 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Chuck McManis <cmcmanis@mcmanis.com>
* Copyright (C) 2013 Onno Kortmann <onno@gmx.net>
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz> (merge)
*
* 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 <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/cm3/systick.h>
#include "stm32f0.h"
/* Called when systick fires */
void sys_tick_handler(void){
pin_toggle(GPIOB, GPIO3);
}
/*
* Set up timer to fire every x milliseconds
* This is a unusual usage of systick, be very careful with the 24bit range
* of the systick counter! You can range from 1 to 2796ms with this.
*/
static void systick_setup(int xms){
static int curms = 0;
if(curms == xms) return;
// 6MHz
systick_set_clocksource(STK_CSR_CLKSOURCE_EXT);
/* clear counter so it starts right away */
STK_CVR = 0;
systick_set_reload(6000 * xms);
systick_counter_enable();
systick_interrupt_enable();
curms = xms;
}
/* set STM32 to clock by 48MHz from HSI oscillator */
static void clock_setup(void){
rcc_clock_setup_in_hsi_out_48mhz();
//rcc_clock_setup_in_hse_8mhz_out_48mhz();
/* Enable clocks to the GPIO subsystems (A&B) */
RCC_AHBENR = RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
}
static void gpio_setup(void){
/* Set green led (PB3) as output */
gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO3);
/* D2 - PA12 - switch blink rate (pullup input) */
gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, GPIO12);
}
int main(void){
clock_setup();
gpio_setup();
/* 500ms ticks => 1000ms period => 1Hz blinks */
systick_setup(500);
/* Do nothing in main loop */
while (1){
if(pin_read(GPIOA, GPIO12)) systick_setup(125); // no jumper - 4Hz
else systick_setup(500); // 1Hz
}
}