RTL00_WEB_VS/RTLGDB/Project/console/gpio_irq_test.c

100 lines
2.2 KiB
C
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2017-11-28 19:31:40 +00:00
/*
* test.c
*
* Created on: 12 марта 2017 г.
* Author: PVV
*/
#include <platform_opts.h>
#include "device.h"
#include "gpio_api.h" // mbed
#include "gpio_irq_api.h" // mbed
#include "gpio_irq_ex_api.h" // mbed
#include "timer_api.h"
#include "diag.h"
#include "main.h"
#include "hal_diag.h"
#include "rtl8195a/rtl_libc.h"
#define GPIO_LED_PIN PA_4
#define GPIO_IRQ_PIN PC_4
gpio_irq_t gpio_btn;
gpio_t gpio_led;
gtimer_t my_timer;
uint32_t lo_time_us, hi_time_us;
uint32_t lo_time_cnt, hi_time_cnt;
uint32_t old_tsf;
uint32_t lo, hi, fr;
uint32_t io_irq_count;
static void gpio_demo_irq_handler(uint32_t id, gpio_irq_event event) {
// gpio_irq_disable(&gpio_btn);
io_irq_count++;
uint32_t new_tsf = get_tsf();
uint32_t delta_us = (uint32_t) new_tsf - (uint32_t) old_tsf;
if (event & 1) {
lo_time_us += delta_us;
lo_time_cnt++;
gpio_irq_set(&gpio_btn, IRQ_LOW, 1);
} else {
hi_time_us += delta_us;
hi_time_cnt++;
gpio_irq_set(&gpio_btn, IRQ_HIGH, 1);
}
old_tsf = new_tsf;
// gpio_irq_enable(&gpio_btn);
}
static void timer1_timeout_handler(uint32_t id) {
if (lo_time_cnt && hi_time_cnt) {
lo = lo_time_us / lo_time_cnt;
hi = hi_time_us / hi_time_cnt;
fr = hi + lo;
lo_time_cnt = 0;
lo_time_us = 0;
hi_time_cnt = 0;
hi_time_us = 0;
printf("Period: %lu us, Lo: %lu us, Hi: %lu us\n", fr, lo, hi);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
static void fATTT(int argc, char *argv[]) {
lo_time_cnt = 0;
lo_time_us = 0;
hi_time_cnt = 0;
hi_time_us = 0;
// Init LED control pin
gpio_init(&gpio_led, GPIO_LED_PIN);
gpio_dir(&gpio_led, PIN_OUTPUT); // Direction: Output
gpio_mode(&gpio_led, PullNone); // No pull
gpio_write(&gpio_led, 0);
// Initial Push Button pin as interrupt source
gpio_irq_init(&gpio_btn, GPIO_IRQ_PIN, gpio_demo_irq_handler,
(uint32_t) (&gpio_led));
gpio_irq_set(&gpio_btn, IRQ_FALL, 1); // Falling Edge Trigger
gpio_irq_enable(&gpio_btn);
// Initial a periodical timer
gtimer_init(&my_timer, TIMER1);
gtimer_start_periodical(&my_timer, 1000000, (void*) timer1_timeout_handler,
(uint32_t) &gpio_led);
}
MON_RAM_TAB_SECTION COMMAND_TABLE console_commands_test[] = { { "ATTT", 0,
fATTT, ": Test" } };