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restructuring

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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
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108
deprecated/F1/GPS/hardware_ini.c Normal file
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/*
* 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"
/**
* 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);
/*
* 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, GPIO4 | GPIO5);
//AFIO_EXTICR2 = 0;
exti_enable_request(EXTI4 | EXTI5);
// trigger on rising edge
exti_set_trigger(EXTI4 | EXTI5, EXTI_TRIGGER_RISING);
nvic_enable_irq(NVIC_EXTI4_IRQ);
nvic_enable_irq(NVIC_EXTI9_5_IRQ);
/*
// Buttons: pull-up input
gpio_set_mode(BTNS_PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN,
BTN_S2_PIN | BTN_S3_PIN);
// turn on pull-up
gpio_set(BTNS_PORT, BTN_S2_PIN | BTN_S3_PIN);
// LEDS: opendrain output
gpio_set_mode(LEDS_PORT, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN,
LED_D1_PIN | LED_D2_PIN);
// turn off LEDs
gpio_set(LEDS_PORT, LED_D1_PIN | LED_D2_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);
*/
}
/*
* SysTick used for system timer with period of 1ms
*/
void SysTick_init(){
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8); // Systyck: 72/8=9MHz
STK_RVR = STK_RVR_DEFAULT_VAL; // 9000 pulses: 1kHz
systick_interrupt_enable();
systick_counter_enable();
}
/*
// check buttons S2/S3
void check_btns(){
static uint8_t oldstate[2] = {1,1}; // old buttons state
uint8_t newstate[2], i;
static uint32_t Old_timer[2] = {0,0};
newstate[0] = gpio_get(BTNS_PORT, BTN_S2_PIN) ? 1 : 0;
newstate[1] = gpio_get(BTNS_PORT, BTN_S3_PIN) ? 1 : 0;
for(i = 0; i < 2; i++){
uint8_t new = newstate[i];
// pause for 60ms
uint32_t O = Old_timer[i];
if(O){
if(Timer - O > 60 || O > Timer){
P("Button S");
usb_send('2' + i);
if(new) P("released");
else P("pressed");
newline();
oldstate[i] = new;
Old_timer[i] = 0;
}
}
else if(new != oldstate[i]){
Old_timer[i] = Timer;
}
}
}
*/