96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
#include "gd32f20x.h"
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#include "systick.h"
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#include <stdio.h>
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#include "main.h"
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#include "gd32f20x_eval.h"
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#include "cmsis_os.h"
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#define APPLICATION_TASK_STK_SIZE 256
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extern void application_entry(void *arg);
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osThreadDef(application_entry, osPriorityNormal, 1, APPLICATION_TASK_STK_SIZE);
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#define TASK1_STK_SIZE 128
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void task1(void *arg);
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osThreadDef(task1, osPriorityNormal, 1, TASK1_STK_SIZE);
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#define TASK2_STK_SIZE 128
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void task2(void *arg);
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osThreadDef(task2, osPriorityNormal, 1, TASK2_STK_SIZE);
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/* retarget the C library printf function to the USART */
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int fputc(int ch, FILE *f)
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{
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usart_data_transmit(EVAL_COM0, (uint8_t)ch);
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while(RESET == usart_flag_get(EVAL_COM0, USART_FLAG_TBE));
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return ch;
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}
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void board_init(void)
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{
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/* configure systick */
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systick_config();
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/* initilize the LEDs, USART and key */
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gd_eval_led_init(LED2);
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gd_eval_led_init(LED3);
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gd_eval_led_init(LED4);
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gd_eval_com_init(EVAL_COM0);
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gd_eval_key_init(KEY_WAKEUP, KEY_MODE_GPIO);
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/* print out the clock frequency of system, AHB, APB1 and APB2 */
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printf("\r\nCK_SYS is %d", rcu_clock_freq_get(CK_SYS));
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printf("\r\nCK_AHB is %d", rcu_clock_freq_get(CK_AHB));
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printf("\r\nCK_APB1 is %d", rcu_clock_freq_get(CK_APB1));
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printf("\r\nCK_APB2 is %d", rcu_clock_freq_get(CK_APB2));
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// while(1){
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// if(RESET == gd_eval_key_state_get(KEY_WAKEUP)){
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// gd_eval_led_on(LED3);
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// delay_1ms(500);
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// gd_eval_led_off(LED3);
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// gd_eval_led_toggle(LED4);
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// }
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//// gd_eval_led_toggle(LED2);
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//// gd_eval_led_toggle(LED3);
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//// gd_eval_led_toggle(LED4);
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//// delay_1ms(500);
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// }
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}
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void task1(void *arg)
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{
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int count = 1;
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while (1) {
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gd_eval_led_toggle(LED2);
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printf("###This is task1, %d\r\n", count++);
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osDelay(2000);
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}
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}
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void task2(void *arg)
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{
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int count = 1;
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while (1) {
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printf("***This is task2, %d\r\n", count++);
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gd_eval_led_toggle(LED3);
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gd_eval_led_toggle(LED4);
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osDelay(1000);
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}
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}
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void application_entry(void *arg)
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{
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osThreadCreate(osThread(task1), NULL); // Create task1
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osThreadCreate(osThread(task2), NULL); // Create task2
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}
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int main(void)
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{
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board_init();
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printf("Welcome to TencentOS tiny\r\n");
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osKernelInitialize();
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osThreadCreate(osThread(application_entry), NULL);
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osKernelStart();
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}
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