145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
#include <rtthread.h>
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#include <rthw.h>
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#include "board.h"
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#include "port.h"
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#include "extint.h"
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#include "sleep_timer.h"
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void LED_Init(void)
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{
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struct port_config config_port_pin;
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port_get_config_defaults(&config_port_pin);
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config_port_pin.direction = PORT_PIN_DIR_INPUT;
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config_port_pin.input_pull = PORT_PIN_PULL_UP;
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port_pin_set_config(PIN_PA15, &config_port_pin);
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config_port_pin.direction = PORT_PIN_DIR_OUTPUT;
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port_pin_set_config(PIN_PB30, &config_port_pin);
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}
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void LED_ON(void)
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{
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port_pin_set_output_level(PIN_PB30, false);
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}
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void LED_OFF(void)
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{
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port_pin_set_output_level(PIN_PB30, true);
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}
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void extint_detection_callback(void);
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void configure_extint_channel(void)
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{
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//! [setup_1]
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struct extint_chan_conf config_extint_chan;
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//! [setup_1]
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//! [setup_2]
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extint_chan_get_config_defaults(&config_extint_chan);
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//! [setup_2]
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//! [setup_3]
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config_extint_chan.gpio_pin = PIN_PA15A_EIC_EXTINT15;
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config_extint_chan.gpio_pin_mux = MUX_PA15A_EIC_EXTINT15;
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config_extint_chan.gpio_pin_pull = EXTINT_PULL_UP;
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config_extint_chan.detection_criteria = EXTINT_DETECT_BOTH;
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//! [setup_3]
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//! [setup_4]
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extint_chan_set_config(15, &config_extint_chan);
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//! [setup_4]
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}
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void configure_extint_callbacks(void)
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{
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//! [setup_5]
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extint_register_callback(extint_detection_callback, 15, EXTINT_CALLBACK_TYPE_DETECT);
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//! [setup_5]
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//! [setup_6]
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extint_chan_enable_callback(15, EXTINT_CALLBACK_TYPE_DETECT);
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//! [setup_6]
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}
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//! [setup_7]
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void extint_detection_callback(void)
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{
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bool pin_state = port_pin_get_input_level(PIN_PA15);
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port_pin_set_output_level(PIN_PB30, pin_state);
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}
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static struct rt_semaphore _rx_sem;
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static rt_err_t _rx_ind(rt_device_t dev, rt_size_t size)
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{
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return rt_sem_release(&_rx_sem);
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}
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void rt_init_thread_entry(void* parameter)
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{
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rt_thread_t thread;
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rt_device_t dev;
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rt_kprintf("SYSTEM running at %uhz\n", SystemCoreClock);
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LED_Init();
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configure_extint_channel();
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configure_extint_callbacks();
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#ifndef TEST_UART_RX
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sleep_timer_init();
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// sleep_timer_start(1500);
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while (1)
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{
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rt_kprintf("init thread running tick:%u\n", rt_tick_get());
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rt_thread_delay(2*RT_TICK_PER_SECOND);
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}
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#else
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dev = rt_device_find("uart3");
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if (dev != RT_NULL)
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{
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rt_sem_init(&_rx_sem, "rxsem", 0, RT_IPC_FLAG_FIFO);
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rt_device_set_rx_indicate(dev, _rx_ind);
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rt_device_open(dev, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
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}
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while (1)
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{
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rt_size_t r_size;
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rt_uint8_t r_buf[1];
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rt_sem_take(&_rx_sem, RT_WAITING_FOREVER);
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while ((r_size = rt_device_read(dev, 0, r_buf, 1)) > 0)
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{
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rt_device_write(dev, 0, r_buf, r_size);
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if (r_buf[0] == '\r')
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{
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r_buf[0] = '\n';
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rt_device_write(dev, 0, r_buf, r_size);
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}
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}
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}
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#endif
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}
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int rt_application_init(void)
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{
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rt_thread_t tid;
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tid = rt_thread_create("init", rt_init_thread_entry, RT_NULL,
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512, RT_THREAD_PRIORITY_MAX / 3, 20);
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if (tid != RT_NULL)
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rt_thread_startup(tid);
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return 0;
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}
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