mirror of
https://github.com/eddyem/STM8_samples.git
synced 2026-03-20 08:40:58 +03:00
distancemeter alpha
This commit is contained in:
Eddy
34
DRUM/Makefile
Normal file
34
DRUM/Makefile
Normal file
@@ -0,0 +1,34 @@
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||||
NAME=testproj
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||||
SDCC=sdcc
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||||
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||||
CCFLAGS=-DSTM8S105 -I../ -I/usr/share/sdcc/include -mstm8 --out-fmt-ihx -DUART
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LDFLAGS= -mstm8 --out-fmt-ihx -lstm8
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||||
FLASHFLAGS=-cstlinkv2 -pstm8s105
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||||
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||||
SRC=$(wildcard *.c)
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# ATTENTION: FIRST in list should be file with main()
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OBJ=$(SRC:%.c=%.rel)
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TRASH=$(OBJ) $(SRC:%.c=%.rst) $(SRC:%.c=%.asm) $(SRC:%.c=%.lst)
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TRASH+=$(SRC:%.c=%.sym) $(NAME).ihx $(NAME).lk $(NAME).map
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INDEPENDENT_HEADERS=../stm8l.h ports_definition.h Makefile
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all: $(NAME).ihx
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$(SRC) : %.c : %.h $(INDEPENDENT_HEADERS)
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@touch $@
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%.h: ;
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clean:
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rm -f $(TRASH)
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load: $(NAME).ihx
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stm8flash $(FLASHFLAGS) -w $(NAME).ihx
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%.rel: %.c
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$(SDCC) $(CCFLAGS) -c $<
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$(NAME).ihx: $(OBJ)
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$(SDCC) $(LDFLAGS) $(OBJ) -o $(NAME).ihx
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.PHONY: all
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||||
1
DRUM/README
Normal file
1
DRUM/README
Normal file
@@ -0,0 +1 @@
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||||
This is a table-based generator of simplest waveforms
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||||
182
DRUM/interrupts.c
Normal file
182
DRUM/interrupts.c
Normal file
@@ -0,0 +1,182 @@
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/*
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* interrupts.c
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||||
*
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||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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,
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||||
* MA 02110-1301, USA.
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||||
*/
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#include "ports_definition.h"
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#include "main.h"
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#include "noicegen.h"
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// Top Level Interrupt
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INTERRUPT_HANDLER(TLI_IRQHandler, 0){}
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// Auto Wake Up Interrupt
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INTERRUPT_HANDLER(AWU_IRQHandler, 1){}
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||||
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||||
// Clock Controller Interrupt
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INTERRUPT_HANDLER(CLK_IRQHandler, 2){}
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||||
|
||||
// External Interrupt PORTA
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INTERRUPT_HANDLER(EXTI_PORTA_IRQHandler, 3){
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}
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// External Interrupt PORTB
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||||
INTERRUPT_HANDLER(EXTI_PORTB_IRQHandler, 4){
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}
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||||
// External Interrupt PORTC
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INTERRUPT_HANDLER(EXTI_PORTC_IRQHandler, 5){
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||||
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}
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// External Interrupt PORTD
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INTERRUPT_HANDLER(EXTI_PORTD_IRQHandler, 6){
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}
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// External Interrupt PORTE
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INTERRUPT_HANDLER(EXTI_PORTE_IRQHandler, 7){
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}
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#ifdef STM8S903
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// External Interrupt PORTF
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INTERRUPT_HANDLER(EXTI_PORTF_IRQHandler, 8){}
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#endif // STM8S903
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||||
#if defined (STM8S208) || defined (STM8AF52Ax)
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// CAN RX Interrupt routine.
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INTERRUPT_HANDLER(CAN_RX_IRQHandler, 8){}
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||||
|
||||
// CAN TX Interrupt routine.
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||||
INTERRUPT_HANDLER(CAN_TX_IRQHandler, 9){}
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||||
#endif // STM8S208 || STM8AF52Ax
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// SPI Interrupt routine.
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||||
INTERRUPT_HANDLER(SPI_IRQHandler, 10){}
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||||
|
||||
// Timer1 Update/Overflow/Trigger/Break Interrupt
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||||
INTERRUPT_HANDLER(TIM1_UPD_OVF_TRG_BRK_IRQHandler, 11){
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||||
}
|
||||
|
||||
// Timer1 Capture/Compare Interrupt routine.
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||||
INTERRUPT_HANDLER(TIM1_CAP_COM_IRQHandler, 12){}
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||||
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||||
#ifdef STM8S903
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||||
// Timer5 Update/Overflow/Break/Trigger Interrupt
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||||
INTERRUPT_HANDLER(TIM5_UPD_OVF_BRK_TRG_IRQHandler, 13){}
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||||
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||||
// Timer5 Capture/Compare Interrupt
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INTERRUPT_HANDLER(TIM5_CAP_COM_IRQHandler, 14){}
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||||
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||||
#else // STM8S208, STM8S207, STM8S105 or STM8S103 or STM8AF62Ax or STM8AF52Ax or STM8AF626x
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||||
// Timer2 Update/Overflow/Break Interrupt
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||||
INTERRUPT_HANDLER(TIM2_UPD_OVF_BRK_IRQHandler, 13){ // generate pulses for stepper CLK
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if(TIM2_SR1 & TIM_SR1_UIF){
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sample_flag = 1;
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TIM2_SR1 &= ~TIM_SR1_UIF;
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}
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}
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// Timer2 Capture/Compare Interrupt
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INTERRUPT_HANDLER(TIM2_CAP_COM_IRQHandler, 14){
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}
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#endif // STM8S903
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#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S105) || \
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defined(STM8S005) || defined (STM8AF62Ax) || defined (STM8AF52Ax) || defined (STM8AF626x)
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||||
// Timer3 Update/Overflow/Break Interrupt
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INTERRUPT_HANDLER(TIM3_UPD_OVF_BRK_IRQHandler, 15){
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}
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// Timer3 Capture/Compare Interrupt
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INTERRUPT_HANDLER(TIM3_CAP_COM_IRQHandler, 16){}
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#endif // STM8S208, STM8S207 or STM8S105 or STM8AF62Ax or STM8AF52Ax or STM8AF626x
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#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S103) || \
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defined(STM8S003) || defined (STM8AF62Ax) || defined (STM8AF52Ax) || defined (STM8S903)
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// UART1 TX Interrupt
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INTERRUPT_HANDLER(UART1_TX_IRQHandler, 17){}
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// UART1 RX Interrupt
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INTERRUPT_HANDLER(UART1_RX_IRQHandler, 18){}
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#endif // STM8S208 or STM8S207 or STM8S103 or STM8S903 or STM8AF62Ax or STM8AF52Ax
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||||
// I2C Interrupt
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||||
INTERRUPT_HANDLER(I2C_IRQHandler, 19){}
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#if defined(STM8S105) || defined(STM8S005) || defined (STM8AF626x)
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// UART2 TX interrupt
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||||
INTERRUPT_HANDLER(UART2_TX_IRQHandler, 20){}
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||||
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||||
// UART2 RX interrupt
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INTERRUPT_HANDLER(UART2_RX_IRQHandler, 21){
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#ifdef UART
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U8 rb;
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if(UART2_SR & UART_SR_RXNE){ // data received
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rb = UART2_DR; // read received byte & clear RXNE flag
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while(!(UART2_SR & UART_SR_TXE));
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UART_send_byte(rb); // echo received symbol
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UART_rx[UART_rx_cur_i++] = rb; // put received byte into cycled buffer
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if(UART_rx_cur_i == UART_rx_start_i){ // Oops: buffer overflow! Just forget old data
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UART_rx_start_i++;
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check_UART_pointer(UART_rx_start_i);
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}
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check_UART_pointer(UART_rx_cur_i);
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}
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#endif
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}
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#endif // STM8S105 or STM8AF626x
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#if defined(STM8S207) || defined(STM8S007) || defined(STM8S208) || defined (STM8AF52Ax) || defined (STM8AF62Ax)
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||||
// UART3 TX interrupt
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INTERRUPT_HANDLER(UART3_TX_IRQHandler, 20){}
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// UART3 RX interrupt
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INTERRUPT_HANDLER(UART3_RX_IRQHandler, 21){}
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||||
#endif // STM8S208 or STM8S207 or STM8AF52Ax or STM8AF62Ax
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||||
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||||
#if defined(STM8S207) || defined(STM8S007) || defined(STM8S208) || defined (STM8AF52Ax) || defined (STM8AF62Ax)
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// ADC2 interrupt
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INTERRUPT_HANDLER(ADC2_IRQHandler, 22){}
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||||
#else
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||||
// ADC1 interrupt
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||||
INTERRUPT_HANDLER(ADC1_IRQHandler, 22){
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}
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||||
#endif // STM8S208 or STM8S207 or STM8AF52Ax or STM8AF62Ax
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||||
|
||||
#ifdef STM8S903
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||||
// Timer6 Update/Overflow/Trigger Interrupt
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INTERRUPT_HANDLER(TIM6_UPD_OVF_TRG_IRQHandler, 23){}
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#else // STM8S208, STM8S207, STM8S105 or STM8S103 or STM8AF52Ax or STM8AF62Ax or STM8AF626x
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// Timer4 Update/Overflow Interrupt
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INTERRUPT_HANDLER(TIM4_UPD_OVF_IRQHandler, 23){
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if(TIM4_SR & TIM_SR1_UIF){ // update interrupt
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Global_time++; // increase timer
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}
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TIM4_SR = 0; // clear all interrupt flags
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}
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#endif // STM8S903
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||||
|
||||
// Eeprom EEC Interrupt
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||||
INTERRUPT_HANDLER(EEPROM_EEC_IRQHandler, 24){}
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||||
144
DRUM/interrupts.h
Normal file
144
DRUM/interrupts.h
Normal file
@@ -0,0 +1,144 @@
|
||||
/*
|
||||
* interrupts.h
|
||||
*
|
||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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
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||||
#ifndef __INTERRUPTS_H__
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||||
#define __INTERRUPTS_H__
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||||
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||||
#include "stm8l.h"
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||||
|
||||
// Top Level Interrupt
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||||
INTERRUPT_DEFINITION(TLI_IRQHandler, 0);
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||||
|
||||
// Auto Wake Up Interrupt
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||||
INTERRUPT_DEFINITION(AWU_IRQHandler, 1);
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||||
|
||||
// Clock Controller Interrupt
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||||
INTERRUPT_DEFINITION(CLK_IRQHandler, 2);
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||||
|
||||
// External Interrupt PORTA
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||||
INTERRUPT_DEFINITION(EXTI_PORTA_IRQHandler, 3);
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||||
|
||||
// External Interrupt PORTB
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||||
INTERRUPT_DEFINITION(EXTI_PORTB_IRQHandler, 4);
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||||
|
||||
// External Interrupt PORTC
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||||
INTERRUPT_DEFINITION(EXTI_PORTC_IRQHandler, 5);
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||||
|
||||
// External Interrupt PORTD
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||||
INTERRUPT_DEFINITION(EXTI_PORTD_IRQHandler, 6);
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||||
|
||||
// External Interrupt PORTE
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||||
INTERRUPT_DEFINITION(EXTI_PORTE_IRQHandler, 7);
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||||
|
||||
#ifdef STM8S903
|
||||
// External Interrupt PORTF
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||||
INTERRUPT_DEFINITION(EXTI_PORTF_IRQHandler, 8);
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||||
#endif // STM8S903
|
||||
|
||||
#if defined (STM8S208) || defined (STM8AF52Ax)
|
||||
// CAN RX Interrupt routine.
|
||||
INTERRUPT_DEFINITION(CAN_RX_IRQHandler, 8);
|
||||
|
||||
// CAN TX Interrupt routine.
|
||||
INTERRUPT_DEFINITION(CAN_TX_IRQHandler, 9);
|
||||
#endif // STM8S208 || STM8AF52Ax
|
||||
|
||||
// SPI Interrupt routine.
|
||||
INTERRUPT_DEFINITION(SPI_IRQHandler, 10);
|
||||
|
||||
// Timer1 Update/Overflow/Trigger/Break Interrupt
|
||||
INTERRUPT_DEFINITION(TIM1_UPD_OVF_TRG_BRK_IRQHandler, 11);
|
||||
|
||||
// Timer1 Capture/Compare Interrupt routine.
|
||||
INTERRUPT_DEFINITION(TIM1_CAP_COM_IRQHandler, 12);
|
||||
|
||||
#ifdef STM8S903
|
||||
// Timer5 Update/Overflow/Break/Trigger Interrupt
|
||||
INTERRUPT_DEFINITION(TIM5_UPD_OVF_BRK_TRG_IRQHandler, 13);
|
||||
|
||||
// Timer5 Capture/Compare Interrupt
|
||||
INTERRUPT_DEFINITION(TIM5_CAP_COM_IRQHandler, 14);
|
||||
|
||||
#else // STM8S208, STM8S207, STM8S105 or STM8S103 or STM8AF62Ax or STM8AF52Ax or STM8AF626x
|
||||
// Timer2 Update/Overflow/Break Interrupt
|
||||
INTERRUPT_DEFINITION(TIM2_UPD_OVF_BRK_IRQHandler, 13);
|
||||
|
||||
// Timer2 Capture/Compare Interrupt
|
||||
INTERRUPT_DEFINITION(TIM2_CAP_COM_IRQHandler, 14);
|
||||
#endif // STM8S903
|
||||
|
||||
#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S105) || \
|
||||
defined(STM8S005) || defined (STM8AF62Ax) || defined (STM8AF52Ax) || defined (STM8AF626x)
|
||||
// Timer3 Update/Overflow/Break Interrupt
|
||||
INTERRUPT_DEFINITION(TIM3_UPD_OVF_BRK_IRQHandler, 15);
|
||||
|
||||
// Timer3 Capture/Compare Interrupt
|
||||
INTERRUPT_DEFINITION(TIM3_CAP_COM_IRQHandler, 16);
|
||||
#endif // STM8S208, STM8S207 or STM8S105 or STM8AF62Ax or STM8AF52Ax or STM8AF626x
|
||||
|
||||
#if defined (STM8S208) || defined(STM8S207) || defined(STM8S007) || defined(STM8S103) || \
|
||||
defined(STM8S003) || defined (STM8AF62Ax) || defined (STM8AF52Ax) || defined (STM8S903)
|
||||
// UART1 TX Interrupt
|
||||
INTERRUPT_DEFINITION(UART1_TX_IRQHandler, 17);
|
||||
|
||||
// UART1 RX Interrupt
|
||||
INTERRUPT_DEFINITION(UART1_RX_IRQHandler, 18);
|
||||
#endif // STM8S208 or STM8S207 or STM8S103 or STM8S903 or STM8AF62Ax or STM8AF52Ax
|
||||
|
||||
// I2C Interrupt
|
||||
INTERRUPT_DEFINITION(I2C_IRQHandler, 19);
|
||||
|
||||
#if defined(STM8S105) || defined(STM8S005) || defined (STM8AF626x)
|
||||
// UART2 TX interrupt
|
||||
INTERRUPT_DEFINITION(UART2_TX_IRQHandler, 20);
|
||||
|
||||
// UART2 RX interrupt
|
||||
INTERRUPT_DEFINITION(UART2_RX_IRQHandler, 21);
|
||||
#endif // STM8S105 or STM8AF626x
|
||||
|
||||
#if defined(STM8S207) || defined(STM8S007) || defined(STM8S208) || defined (STM8AF52Ax) || defined (STM8AF62Ax)
|
||||
// UART3 TX interrupt
|
||||
INTERRUPT_DEFINITION(UART3_TX_IRQHandler, 20);
|
||||
|
||||
// UART3 RX interrupt
|
||||
INTERRUPT_DEFINITION(UART3_RX_IRQHandler, 21);
|
||||
#endif // STM8S208 or STM8S207 or STM8AF52Ax or STM8AF62Ax
|
||||
|
||||
#if defined(STM8S207) || defined(STM8S007) || defined(STM8S208) || defined (STM8AF52Ax) || defined (STM8AF62Ax)
|
||||
// ADC2 interrupt
|
||||
INTERRUPT_DEFINITION(ADC2_IRQHandler, 22);
|
||||
#else // STM8S105, STM8S103 or STM8S903 or STM8AF626x
|
||||
// ADC1 interrupt
|
||||
INTERRUPT_DEFINITION(ADC1_IRQHandler, 22);
|
||||
#endif // STM8S208 or STM8S207 or STM8AF52Ax or STM8AF62Ax
|
||||
|
||||
#ifdef STM8S903
|
||||
// Timer6 Update/Overflow/Trigger Interrupt
|
||||
INTERRUPT_DEFINITION(TIM6_UPD_OVF_TRG_IRQHandler, 23);
|
||||
#else // STM8S208, STM8S207, STM8S105 or STM8S103 or STM8AF52Ax or STM8AF62Ax or STM8AF626x
|
||||
// Timer4 Update/Overflow Interrupt
|
||||
INTERRUPT_DEFINITION(TIM4_UPD_OVF_IRQHandler, 23);
|
||||
#endif // STM8S903
|
||||
|
||||
// Eeprom EEC Interrupt
|
||||
INTERRUPT_DEFINITION(EEPROM_EEC_IRQHandler, 24);
|
||||
|
||||
#endif // __INTERRUPTS_H__
|
||||
267
DRUM/main.c
Normal file
267
DRUM/main.c
Normal file
@@ -0,0 +1,267 @@
|
||||
/*
|
||||
* blinky.c
|
||||
*
|
||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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 "stm8l.h"
|
||||
#include "ports_definition.h"
|
||||
#include "interrupts.h"
|
||||
#include "main.h"
|
||||
#include "noicegen.h"
|
||||
|
||||
/*
|
||||
* 0 0000
|
||||
* 1 0001
|
||||
* 2 0010
|
||||
* 3 0011
|
||||
* 4 0100
|
||||
* 5 0101
|
||||
* 6 0110
|
||||
* 7 0111
|
||||
* 8 1000
|
||||
* 9 1001
|
||||
* a 1010
|
||||
* b 1011
|
||||
* c 1100
|
||||
* d 1101
|
||||
* e 1110
|
||||
* f 1111
|
||||
*/
|
||||
|
||||
unsigned long Global_time = 0L, boom_start = 0L; // global time in ms
|
||||
unsigned int boom_length = 100; // length of "boom" in ms
|
||||
U16 paused_val = 500; // interval between LED flashing
|
||||
U8 snd_i = 0, bank_i = 0; // number of sample in sound, number in sine vawe
|
||||
U8 sample_flag = 0; // flag is set in interrupt -> next sample in sound
|
||||
|
||||
#ifdef UART
|
||||
U8 UART_rx[UART_BUF_LEN]; // cycle buffer for received data
|
||||
U8 UART_rx_start_i = 0; // started index of received data (from which reading starts)
|
||||
U8 UART_rx_cur_i = 0; // index of current first byte in rx array (to which data will be written)
|
||||
U8 UART_is_our = 0; // ==1 if we get UART
|
||||
// ATTENTION! to change global variable in PROGRAM memory, it should be CONST!!!
|
||||
const U8 UART_devNUM = THIS_DEVICE_NUM; // device number, master sais it
|
||||
|
||||
/**
|
||||
* Send one byte through UART
|
||||
* @param byte - data to send
|
||||
*/
|
||||
void UART_send_byte(U8 byte){
|
||||
UART2_DR = byte;
|
||||
while(!(UART2_SR & UART_SR_TC));
|
||||
}
|
||||
|
||||
void uart_write(char *str){
|
||||
while(*str){
|
||||
UART2_DR = *str++;
|
||||
while(!(UART2_SR & UART_SR_TC));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Read one byte from Rx buffer
|
||||
* @param byte - where to store readed data
|
||||
* @return 1 in case of non-empty buffer
|
||||
*/
|
||||
U8 UART_read_byte(U8 *byte){
|
||||
if(UART_rx_start_i == UART_rx_cur_i) // buffer is empty
|
||||
return 0;
|
||||
*byte = UART_rx[UART_rx_start_i++];
|
||||
check_UART_pointer(UART_rx_start_i);
|
||||
return 1;
|
||||
}
|
||||
|
||||
void printUint(U8 *val, U8 len){
|
||||
unsigned long Number = 0;
|
||||
U8 i = len;
|
||||
char ch;
|
||||
U8 decimal_buff[12]; // max len of U32 == 10 + \n + \0
|
||||
if(len > 4 || len == 3 || len == 0) return;
|
||||
for(i = 0; i < 12; i++)
|
||||
decimal_buff[i] = 0;
|
||||
decimal_buff[10] = '\n';
|
||||
ch = 9;
|
||||
switch(len){
|
||||
case 1:
|
||||
Number = *((U8*)val);
|
||||
break;
|
||||
case 2:
|
||||
Number = *((U16*)val);
|
||||
break;
|
||||
case 4:
|
||||
Number = *((unsigned long*)val);
|
||||
break;
|
||||
}
|
||||
do{
|
||||
i = Number % 10L;
|
||||
decimal_buff[ch--] = i + '0';
|
||||
Number /= 10L;
|
||||
}while(Number && ch > -1);
|
||||
uart_write((char*)&decimal_buff[ch+1]);
|
||||
}
|
||||
|
||||
U8 readInt(int *val){
|
||||
unsigned long T = Global_time;
|
||||
unsigned long R = 0;
|
||||
int readed;
|
||||
U8 sign = 0, rb, ret = 0, bad = 0;
|
||||
do{
|
||||
if(!UART_read_byte(&rb)) continue;
|
||||
if(rb == '-' && R == 0){ // negative number
|
||||
sign = 1;
|
||||
continue;
|
||||
}
|
||||
if(rb < '0' || rb > '9') break; // number ends with any non-digit symbol that will be omitted
|
||||
ret = 1; // there's at least one digit
|
||||
R = R * 10L + rb - '0';
|
||||
if(R > 0x7fff){ // bad value
|
||||
R = 0;
|
||||
bad = 0;
|
||||
}
|
||||
}while(Global_time - T < 10000); // wait no longer than 10s
|
||||
if(bad || !ret) return 0;
|
||||
readed = (int) R;
|
||||
if(sign) readed *= -1;
|
||||
*val = readed;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
void error_msg(char *msg){
|
||||
uart_write("\nERROR: ");
|
||||
uart_write(msg);
|
||||
UART_send_byte('\n');
|
||||
}
|
||||
#endif // UART
|
||||
|
||||
|
||||
int main() {
|
||||
unsigned long T = 0L;
|
||||
unsigned int I;
|
||||
U8 cur_vol;
|
||||
int Ival;
|
||||
#ifdef UART
|
||||
U8 rb;
|
||||
#endif
|
||||
CFG_GCR |= 1; // disable SWIM
|
||||
// Configure clocking
|
||||
CLK_CKDIVR = 0; // F_HSI = 16MHz, f_CPU = 16MHz
|
||||
// Timer 4 (8 bit) used as system tick timer
|
||||
// prescaler == 128 (2^7), Tfreq = 125kHz
|
||||
// period = 1ms, so ARR = 125
|
||||
TIM4_PSCR = 7;
|
||||
TIM4_ARR = 125;
|
||||
// interrupts: update
|
||||
TIM4_IER = TIM_IER_UIE;
|
||||
// auto-reload + interrupt on overflow + enable
|
||||
TIM4_CR1 = TIM_CR1_APRE | TIM_CR1_URS | TIM_CR1_CEN;
|
||||
#ifdef UART
|
||||
// Configure pins
|
||||
// PC2 - PP output (on-board LED)
|
||||
PORT(LED_PORT, DDR) |= LED_PIN;
|
||||
PORT(LED_PORT, CR1) |= LED_PIN;
|
||||
// PD5 - UART2_TX -- pseudo open-drain output; don't forget an pullup resistor!
|
||||
PORT(UART_PORT, DDR) |= UART_TX_PIN;
|
||||
PORT(UART_PORT, ODR) &= ~UART_TX_PIN; // turn off N push-down
|
||||
//PORT(UART_PORT, CR1) |= UART_TX_PIN;
|
||||
#endif
|
||||
PC_DDR |= GPIO_PIN1; // setup timer's output
|
||||
PC_ODR &= ~GPIO_PIN1;
|
||||
#ifdef UART
|
||||
// Configure UART
|
||||
// 9 bit, no parity, 1 stop (UART_CR3 = 0 - reset value)
|
||||
// 57600 on 16MHz: BRR1=0x11, BRR2=0x06
|
||||
UART2_BRR1 = 0x11; UART2_BRR2 = 0x06;
|
||||
UART2_CR2 = UART_CR2_TEN | UART_CR2_REN | UART_CR2_RIEN; // Allow RX/TX, generate ints on rx
|
||||
#endif
|
||||
configure_timers();
|
||||
|
||||
// enable all interrupts
|
||||
enableInterrupts();
|
||||
|
||||
// Loop
|
||||
do{
|
||||
if(sample_flag){ // next sample in sound
|
||||
I = Global_time - boom_start; // amount of us from start
|
||||
if(I > boom_length || boom_start > Global_time){
|
||||
// end of sound
|
||||
stop_snd();
|
||||
}else{
|
||||
I *= 16;
|
||||
cur_vol = 16 - I / boom_length; // linear fading
|
||||
// generate meander
|
||||
if(bank_i){
|
||||
change_CCR(0);
|
||||
bank_i = 0;
|
||||
}else{
|
||||
change_CCR(cur_vol);
|
||||
bank_i = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
if((Global_time - T > paused_val) || (T > Global_time)){
|
||||
T = Global_time;
|
||||
#ifdef UART
|
||||
PORT(LED_PORT, ODR) ^= LED_PIN; // blink on-board LED
|
||||
#endif
|
||||
}
|
||||
#ifdef UART
|
||||
if(UART_read_byte(&rb)){ // buffer isn't empty
|
||||
switch(rb){
|
||||
case 'h': // help
|
||||
case 'H':
|
||||
uart_write("\nPROTO:\n"
|
||||
"+/-\tLED period\n"
|
||||
"P/p\tBoom\n"
|
||||
"F\tSet frequency\n"
|
||||
"L\tChange boom length (in ms)\n"
|
||||
);
|
||||
break;
|
||||
break;
|
||||
case '+':
|
||||
paused_val += 100;
|
||||
if(paused_val > 10000)
|
||||
paused_val = 500; // but not more than 10s
|
||||
break;
|
||||
case '-':
|
||||
paused_val -= 100;
|
||||
if(paused_val < 100) // but not less than 0.1s
|
||||
paused_val = 500;
|
||||
break;
|
||||
case 'F':
|
||||
if(readInt(&Ival) && Ival > 64){
|
||||
change_period(((U16)Ival) >> 4); // F*4 for 16 array values
|
||||
}else error_msg("bad period");
|
||||
break;
|
||||
case 'P':
|
||||
case 'p':
|
||||
play_snd();
|
||||
break;
|
||||
case 'L':
|
||||
if(readInt(&Ival) && Ival < 1000 && Ival > 1){
|
||||
boom_length = Ival;
|
||||
}else error_msg("bad length");
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}while(1);
|
||||
}
|
||||
|
||||
|
||||
46
DRUM/main.h
Normal file
46
DRUM/main.h
Normal file
@@ -0,0 +1,46 @@
|
||||
/*
|
||||
* blinky.h
|
||||
*
|
||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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__
|
||||
|
||||
extern unsigned long Global_time, boom_start; // global time in ms
|
||||
extern U8 sample_flag; // flag is set in interrupt -> next sample in sound
|
||||
extern U8 snd_i, bank_i;
|
||||
|
||||
#define UART_BUF_LEN 8 // max 7 bytes transmited in on operation
|
||||
#define MIN_STEP_LENGTH 9 // max speed, microseconds for one microstep
|
||||
#define THIS_DEVICE_NUM 1 // hardware number (0..255) can be changed by writting into EEPROM
|
||||
|
||||
#ifdef UART
|
||||
extern U8 UART_rx[];
|
||||
extern U8 UART_rx_start_i;
|
||||
extern U8 UART_rx_cur_i;
|
||||
|
||||
void UART_send_byte(U8 byte);
|
||||
void uart_write(char *str);
|
||||
void printUint(U8 *val, U8 len);
|
||||
void error_msg(char *msg);
|
||||
#endif
|
||||
|
||||
#define check_UART_pointer(x) if(x == UART_BUF_LEN) x = 0;
|
||||
|
||||
#endif // __MAIN_H__
|
||||
47
DRUM/noicegen.c
Normal file
47
DRUM/noicegen.c
Normal file
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* noicegen.c
|
||||
*
|
||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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 "noicegen.h"
|
||||
|
||||
void configure_timers(){
|
||||
/**** TIMERS TIM1 - 1MHz, TIM2 - 1MHz ****/
|
||||
TIM1_PSCRH = 0; // this timer have 16 bit prescaler
|
||||
TIM1_PSCRL = 3; // LSB should be written last as it updates prescaler
|
||||
TIM2_PSCR = 4;
|
||||
// Timer1 is PWM sound level generator
|
||||
// Timer2 runs with F*16 to change voltage level (F - frequency of sound)
|
||||
TIM1_ARRH = 0;
|
||||
TIM1_ARRL = 16;
|
||||
TIM1_CCR1H = 0; TIM1_CCR1L = 8; // default: 50%
|
||||
// channel 1 generates PWM pulses
|
||||
TIM1_CCMR1 = 0x60; // OC1M = 110b - PWM mode 1 ( 1 -> 0)
|
||||
//TIM1_CCMR1 = 0x70; // OC1M = 111b - PWM mode 2 ( 0 -> 1)
|
||||
TIM1_CCER1 = 1; // Channel 1 is on. Active is high
|
||||
//TIM1_CCER1 = 3; // Channel 1 is on. Active is low
|
||||
// default period: near 32ms
|
||||
TIM2_ARRH = 127; TIM2_ARRL = 0;
|
||||
// interrupts: update for timer 2, none for timer 1
|
||||
TIM1_IER = 0;
|
||||
TIM2_IER = TIM_IER_UIE;
|
||||
// enable PWM output for timer1
|
||||
TIM1_BKR |= 0x80; // MOE
|
||||
}
|
||||
|
||||
42
DRUM/noicegen.h
Normal file
42
DRUM/noicegen.h
Normal file
@@ -0,0 +1,42 @@
|
||||
/*
|
||||
* noicegen.h
|
||||
*
|
||||
* Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
|
||||
*
|
||||
* 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 __NOICEGEN_H__
|
||||
#define __NOICEGEN_H__
|
||||
|
||||
#include "stm8l.h"
|
||||
#include "main.h"
|
||||
|
||||
#define TIM_EN (TIM_CR1_APRE | TIM_CR1_URS | TIM_CR1_CEN)
|
||||
|
||||
void configure_timers();
|
||||
|
||||
// change period (in us)
|
||||
#define change_period(F) do{TIM2_ARRH = F >> 8; TIM2_ARRL = F;}while(0)
|
||||
#define change_CCR(C) do{TIM1_CCR1H = 0; TIM1_CCR1L = C;}while(0)
|
||||
// change CCR value. U = Vcc *
|
||||
#define play_snd() do{boom_start = Global_time; snd_i = 0; bank_i = 0; \
|
||||
TIM1_CR1 = TIM_EN; TIM2_CR1 = TIM_EN;}while(0)
|
||||
#define stop_snd() do{TIM1_CR1 |= TIM_CR1_OPM; TIM2_CR1 = 0;}while(0)
|
||||
|
||||
|
||||
#endif // __NOICEGEN_H__
|
||||
43
DRUM/ports_definition.h
Normal file
43
DRUM/ports_definition.h
Normal file
@@ -0,0 +1,43 @@
|
||||
/*
|
||||
* ports_definition.h - definition of ports pins & so on
|
||||
*
|
||||
* 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 __PORTS_DEFINITION_H__
|
||||
#define __PORTS_DEFINITION_H__
|
||||
|
||||
#include "stm8l.h"
|
||||
|
||||
// macro for using in port constructions like PORT(LED_PORT, ODR) = xx
|
||||
#define CONCAT(a,b) a##_##b
|
||||
#define PORT(a,b) CONCAT(a,b)
|
||||
|
||||
// on-board LED
|
||||
#define LED_PORT PC
|
||||
#define LED_PIN GPIO_PIN2
|
||||
|
||||
// UART2_TX
|
||||
#define UART_PORT PD
|
||||
#define UART_TX_PIN GPIO_PIN5
|
||||
|
||||
|
||||
|
||||
|
||||
#endif // __PORTS_DEFINITION_H__
|
||||
12
DRUM/waveforms.m
Normal file
12
DRUM/waveforms.m
Normal file
@@ -0,0 +1,12 @@
|
||||
function waveforms(FN, nm)
|
||||
% Prints on stdout 16 values for waveform bank
|
||||
% FN - array with 16 values of Vout (Vmin..Vmax), will be normalized
|
||||
% nm - name of array
|
||||
MIN = min(FN); MAX = max(FN);
|
||||
FN = (FN - MIN) / (MAX - MIN);
|
||||
VAL = round(FN * 16);
|
||||
printf("static const U8 %s[16] = {", nm)
|
||||
for i = 1:15; printf("%d, ", VAL(i)); endfor;
|
||||
printf("%d};\n", VAL(16));
|
||||
plot(VAL, 'o');
|
||||
endfunction
|
||||
Reference in New Issue
Block a user