eddy/stm32samples
1
0
Fork 0
mirror of https://github.com/eddyem/stm32samples.git synced 2026-02-28 11:54:30 +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

129
deprecated/F1/Timelapse_keyboard_only_lasers/hardware_ini.c Normal file
View File

@@ -0,0 +1,129 @@
/*
* hardware_ini.c - functions for HW initialisation
*
* 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.
*/
/*
* All hardware-dependent initialisation & definition should be placed here
* and in hardware_ini.h
*
*/
#include "main.h"
#include "hardware_ini.h"
#include <libopencm3/stm32/timer.h>
/**
* GPIO initialisaion: clocking + pins setup
*/
void GPIO_init(){
// enable clocking for all ports, APB2 & AFIO (we need AFIO to remap JTAG pins)
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN |
RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN |
RCC_APB2ENR_IOPEEN | RCC_APB2ENR_AFIOEN);
// turn off SWJ/JTAG
AFIO_MAPR = AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_OFF;
/*
* Setup EXTI on PA4 (PPS input from GPS) - pull down
* EXTI on PA5 - also pull down (trigger for time measurement)
*/
gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0 | GPIO1 | GPIO4 | GPIO5 | GPIO7 | GPIO8);
// PA0/1 and PA7/8 - Lasers
//gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO0 | GPIO1);
//gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO0 | GPIO1);
// EXTI0 - Laser1, EXTI1 - Laser2, EXTI4 - PPS, EXTI5 - Button, EXTI7 - Laser3, EXTI8 - Laser4
// trigger on rising edge
exti_set_trigger(EXTI0 | EXTI1 | EXTI4 | EXTI5 | EXTI7 | EXTI8, EXTI_TRIGGER_RISING);
AFIO_EXTICR1 = 0; // EXTI 0-3 from PORTA
nvic_enable_irq(NVIC_EXTI4_IRQ); // PPS
nvic_enable_irq(NVIC_EXTI0_IRQ); // Laser1
nvic_enable_irq(NVIC_EXTI1_IRQ); // Laser2
nvic_enable_irq(NVIC_EXTI9_5_IRQ); // Button, Lasers 3/4
exti_enable_request(EXTI0 | EXTI1 | EXTI4 | EXTI5 | EXTI7 | EXTI8);
// LEDS: opendrain output (&turn all OFF)
gpio_set(LEDS_Y_PORT, LEDS_Y1_PIN | LEDS_Y2_PIN);
gpio_set_mode(LEDS_Y_PORT, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN,
LEDS_Y1_PIN | LEDS_Y2_PIN);
gpio_set(LEDS_G_PORT, LEDS_G1_PIN | LEDS_G2_PIN);
gpio_set_mode(LEDS_G_PORT, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN,
LEDS_G1_PIN | LEDS_G2_PIN);
gpio_set(LEDS_R_PORT, LEDS_R1_PIN | LEDS_R2_PIN);
gpio_set_mode(LEDS_R_PORT, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN,
LEDS_R1_PIN | LEDS_R2_PIN);
// beeper pin: push-pull
gpio_set(BEEPER_PORT, BEEPER_PIN);
gpio_set_mode(BEEPER_PORT, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, BEEPER_PIN);
/*
// 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);
*/
}
/**
* PA5 interrupt - print time at button-switch trigger and Lasers3/4
* EXTI5 - Button, EXTI7 - Laser3, EXTI8 - Laser4
*/
void exti9_5_isr(){
if(EXTI_PR & EXTI5){
if(trigger_ms[0] == DIDNT_TRIGGERED){ // prevent bounce
trigger_ms[0] = Timer;
memcpy(&trigger_time[0], &current_time, sizeof(curtime));
}
EXTI_PR = EXTI5;
}
if(EXTI_PR & EXTI7){
if(trigger_ms[3] == DIDNT_TRIGGERED){ // prevent bounce
trigger_ms[3] = Timer;
memcpy(&trigger_time[3], &current_time, sizeof(curtime));
}
EXTI_PR = EXTI7;
}
if(EXTI_PR & EXTI8){
if(trigger_ms[4] == DIDNT_TRIGGERED){ // prevent bounce
trigger_ms[4] = Timer;
memcpy(&trigger_time[4], &current_time, sizeof(curtime));
}
EXTI_PR = EXTI8;
}
}
void exti0_isr(){ // Laser1
if(EXTI_PR & EXTI0){
if(trigger_ms[1] == DIDNT_TRIGGERED){ // prevent bounce
trigger_ms[1] = Timer;
memcpy(&trigger_time[1], &current_time, sizeof(curtime));
}
EXTI_PR = EXTI0;
}
}
void exti1_isr(){ // Laser2
// if(EXTI_PR & EXTI1){
if(trigger_ms[2] == DIDNT_TRIGGERED){ // prevent bounce
trigger_ms[2] = Timer;
memcpy(&trigger_time[2], &current_time, sizeof(curtime));
}
EXTI_PR = EXTI1;
//}
}