add usart0, printf support for GD32VF103C_START board

2019-10-01 17:18:54 +08:00
parent 25f2aeef9e
commit bd407ece98
8 changed files with 139 additions and 59 deletions
--- a/board/GD32VF103C_START/eclipse/hello_world/main.c
+++ b/board/GD32VF103C_START/eclipse/hello_world/main.c
@@ -1,58 +1,66 @@
-#include "gd32vf103.h"
-#include "tos.h"
-
-#define TASK_SIZE 512
-k_task_t k_task_task1;
-k_task_t k_task_task2;
-uint8_t k_task1_stk[TASK_SIZE];
-uint8_t k_task2_stk[TASK_SIZE];
-
-int share = 0xCBA7F9;
-k_sem_t sem;
-
-void task1(void *pdata)
-{
-	int task_cnt1 = 0;
-	while (1) {
-	    task_cnt1++;
-	    tos_sem_pend(&sem, ~0U);
-	    gpio_bit_write(GPIOA, GPIO_PIN_7, share % 2);
-	}
-}
-
-void task2(void *pdata)
-{
-	int task_cnt2 = 0;
-	while (1) {
-	    task_cnt2--;
-	    share++;
-		tos_task_delay(1000);
-		tos_sem_post(&sem);
-	}
-}
-
-
-void main(void) {
-    rcu_periph_clock_enable(RCU_GPIOA);
-
-    gpio_init(GPIOA, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
-
-    gpio_bit_reset(GPIOA, GPIO_PIN_7);
-
-	tos_knl_init();
-
-	tos_task_create(&k_task_task1, "task1", task1, NULL, 3, k_task1_stk, TASK_SIZE, 0);
-	tos_task_create(&k_task_task2, "task2", task2, NULL, 3, k_task2_stk, TASK_SIZE, 0);
-
-	k_err_t err = tos_sem_create(&sem, 1);
-	if (err != K_ERR_NONE) {
-	    goto die;
-	}
-
-	tos_knl_start();
-
-die:
-	while (1) {
-		asm("wfi;");
-	}
-}
+#include "mcu_init.h"
+#include "tos.h"
+
+#define TASK_SIZE 1024
+k_task_t k_task_task1;
+k_task_t k_task_task2;
+uint8_t k_task1_stk[TASK_SIZE];
+uint8_t k_task2_stk[TASK_SIZE];
+
+int share = 0xCBA7F9;
+k_sem_t sem;
+
+void task1(void *pdata)
+{
+	int task_cnt1 = 0;
+	while (1) {
+	    printf("hello world from %s cnt: %d\n", __func__, task_cnt1++);
+	    tos_sem_pend(&sem, ~0U);
+	    gpio_bit_write(GPIOA, GPIO_PIN_7, share % 2);
+	}
+}
+
+void task2(void *pdata)
+{
+	int task_cnt2 = 0;
+	while (1) {
+        share++;
+        for(int i=0; i<5; i++) {
+            printf("hello world from %s cnt: %08x\n", __func__, task_cnt2--);
+            tos_task_delay(200);
+        }
+		tos_sem_post(&sem);
+	}
+}
+
+
+void main(void) {
+    board_init();
+
+	tos_knl_init();
+
+	tos_task_create(&k_task_task1, "task1", task1, NULL, 3, k_task1_stk, TASK_SIZE, 0);
+	tos_task_create(&k_task_task2, "task2", task2, NULL, 3, k_task2_stk, TASK_SIZE, 0);
+
+	k_err_t err = tos_sem_create(&sem, 1);
+	if (err != K_ERR_NONE) {
+	    goto die;
+	}
+
+	tos_knl_start();
+
+die:
+	while (1) {
+		asm("wfi;");
+	}
+}
+
+
+int _put_char(int ch)
+{
+    usart_data_transmit(USART0, (uint8_t) ch );
+    while (usart_flag_get(USART0, USART_FLAG_TBE)== RESET){
+    }
+
+    return ch;
+}