refresh 开发指南.pdf

add new interface develop guide and sample code
2019-11-14 19:27:36 +08:00
parent 943db74fc7
commit 74572d20fe
26 changed files with 1671 additions and 445 deletions
--- a/doc/code/2.3.6
+++ b/doc/code/2.3.6
@@ -0,0 +1,96 @@
+#include "tos.h"
+#include "mcu_init.h"
+
+#define STK_SIZE_TASK_RECEIVER      512
+#define STK_SIZE_TASK_SENDER        512
+
+#define PRIO_TASK_RECEIVER_HIGHER_PRIO      4
+#define PRIO_TASK_RECEIVER_LOWER_PRIO       (PRIO_TASK_RECEIVER_HIGHER_PRIO + 1)
+
+#define MESSAGE_MAX     10
+
+k_stack_t stack_task_receiver_higher_prio[STK_SIZE_TASK_RECEIVER];
+k_stack_t stack_task_receiver_lower_prio[STK_SIZE_TASK_RECEIVER];
+k_stack_t stack_task_sender[STK_SIZE_TASK_SENDER];
+
+uint8_t msg_pool[MESSAGE_MAX * sizeof(void *)];
+
+k_task_t task_receiver_higher_prio;
+k_task_t task_receiver_lower_prio;
+k_task_t task_sender;
+
+k_msg_q_t msg_q;
+
+extern void entry_task_receiver_higher_prio(void *arg);
+extern void entry_task_receiver_lower_prio(void *arg);
+extern void entry_task_sender(void *arg);
+
+void entry_task_receiver_higher_prio(void *arg)
+{
+    k_err_t err;
+    void *msg_received;
+
+    while (K_TRUE) {
+        err = tos_msg_q_pend(&msg_q, &msg_received, TOS_TIME_FOREVER);
+        if (err == K_ERR_NONE) {
+            printf("higher: msg incoming[%s]\n", (char *)msg_received);
+        }
+    }
+}
+
+void entry_task_receiver_lower_prio(void *arg)
+{
+    k_err_t err;
+    void *msg_received;
+
+    while (K_TRUE) {
+        err = tos_msg_q_pend(&msg_q, &msg_received, TOS_TIME_FOREVER);
+        if (err == K_ERR_NONE) {
+            printf("lower: msg incoming[%s]\n", (char *)msg_received);
+        }
+    }
+}
+
+void entry_task_sender(void *arg)
+{
+    int i = 1;
+    char *msg_to_one_receiver = "message for one receiver(with highest priority)";
+    char *msg_to_all_receiver = "message for all receivers";
+
+    while (K_TRUE) {
+        if (i == 2) {
+            printf("sender: send a message to one receiver, and shoud be the highest priority one\n");
+            tos_msg_q_post(&msg_q, msg_to_one_receiver);
+        }
+        if (i == 3) {
+            printf("sender: send a message to all recevier\n");
+            tos_msg_q_post_all(&msg_q, msg_to_all_receiver);
+        }
+        if (i == 4) {
+            printf("sender: send a message to one receiver, and shoud be the highest priority one\n");
+            tos_msg_q_post(&msg_q, msg_to_one_receiver);
+        }
+        if (i == 5) {
+            printf("sender: send a message to all recevier\n");
+            tos_msg_q_post_all(&msg_q, msg_to_all_receiver);
+        }
+        tos_task_delay(1000);
+        ++i;
+    }
+}
+
+int main(void)
+{
+    board_init();
+    tos_knl_init();
+    tos_msg_q_create(&msg_q, msg_pool, MESSAGE_MAX);
+    (void)tos_task_create(&task_receiver_higher_prio, "receiver_higher_prio",
+                            entry_task_receiver_higher_prio, NULL, PRIO_TASK_RECEIVER_HIGHER_PRIO,
+                            stack_task_receiver_higher_prio, STK_SIZE_TASK_RECEIVER, 0);
+    (void)tos_task_create(&task_receiver_lower_prio, "receiver_lower_prio",
+                            entry_task_receiver_lower_prio, NULL, PRIO_TASK_RECEIVER_LOWER_PRIO,
+                            stack_task_receiver_lower_prio, STK_SIZE_TASK_RECEIVER, 0);
+    (void)tos_task_create(&task_sender, "sender", entry_task_sender, NULL,
+                            4, stack_task_sender, STK_SIZE_TASK_SENDER, 0);
+    tos_knl_start();
+}