first commit for opensource

2019-09-16 13:19:50 +08:00
parent 08ab013b8e
commit edb2879617
6303 changed files with 5472815 additions and 23 deletions
--- a/semaphore/main.c
+++ b/semaphore/main.c
@@ -0,0 +1,102 @@
+#include "tos.h"
+#include "mcu_init.h"
+
+#define STK_SIZE_TASK_PRODUCER      512
+#define STK_SIZE_TASK_CONSUMER      512
+
+k_stack_t stack_task_producer[STK_SIZE_TASK_PRODUCER];
+k_stack_t stack_task_consumer[STK_SIZE_TASK_CONSUMER];
+
+k_task_t task_producer;
+k_task_t task_consumer;
+
+extern void entry_task_producer(void *arg);
+extern void entry_task_consumer(void *arg);
+
+k_mutex_t buffer_locker;
+k_sem_t full;
+k_sem_t empty;
+
+#define RESOURCE_COUNT_MAX      3
+
+struct resource_st {
+    int cursor;
+    uint32_t buffer[RESOURCE_COUNT_MAX];
+} resource = { 0, {0} };
+
+static void produce_item(int salt)
+{
+    printf("produce item:\n");
+
+    printf("%d", salt);
+    resource.buffer[resource.cursor++] = salt;
+    printf("\n");
+}
+
+void entry_task_producer(void *arg)
+{
+    size_t salt = 0;
+    k_err_t err;
+
+    while (K_TRUE) {
+        err = tos_sem_pend(&empty, TOS_TIME_FOREVER);
+        if (err != K_ERR_NONE) {
+            continue;
+        }
+        err = tos_mutex_pend(&buffer_locker);
+        if (err != K_ERR_NONE) {
+            continue;
+        }
+
+        produce_item(salt);
+
+        tos_mutex_post(&buffer_locker);
+        tos_sem_post(&full);
+        tos_task_delay(1000);
+        ++salt;
+    }
+}
+
+static void consume_item(void)
+{
+    printf("cosume item:\n");
+    printf("%d\t", resource.buffer[--resource.cursor]);
+    printf("\n");
+}
+
+void entry_task_consumer(void *arg)
+{
+    k_err_t err;
+
+    while (K_TRUE) {
+        err = tos_sem_pend(&full, TOS_TIME_FOREVER);
+        if (err != K_ERR_NONE) {
+            continue;
+        }
+        tos_mutex_pend(&buffer_locker);
+        if (err != K_ERR_NONE) {
+            continue;
+        }
+
+        consume_item();
+
+        tos_mutex_post(&buffer_locker);
+        tos_sem_post(&empty);
+        tos_task_delay(2000);
+    }
+}
+
+int main(void)
+{
+    board_init();
+    tos_knl_init();
+    tos_mutex_create(&buffer_locker);
+    tos_sem_create(&full, 0);
+    tos_sem_create(&empty, RESOURCE_COUNT_MAX);
+    (void)tos_task_create(&task_producer, "producer", entry_task_producer, NULL,
+                            4, stack_task_producer, STK_SIZE_TASK_PRODUCER, 0);
+    (void)tos_task_create(&task_consumer, "consumer", entry_task_consumer, NULL,
+                            4, stack_task_consumer, STK_SIZE_TASK_CONSUMER, 0);
+    tos_knl_start();
+}
+