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refresh sdk manual and development manul

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1. add barrier/bitmap/stopwatch/rwlock API to sdk manual
2. add barrier develop sample to develop manual
This commit is contained in:
daishengdong
2020-04-16 15:50:00 +08:00
parent 788c2389b7
commit c603a605fe
8 changed files with 927 additions and 24 deletions
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62
doc/code/2.3.9 priority message queue/main.c Normal file
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#include "tos_k.h"
#include "mcu_init.h"
#define STK_SIZE_TASK_RECEIVER 512
#define STK_SIZE_TASK_SENDER 512
#define MESSAGE_MAX 10
k_stack_t stack_task_receiver[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;
k_task_t task_sender;
k_prio_msg_q_t prio_msg_q;
extern void entry_task_receiver(void *arg);
extern void entry_task_sender(void *arg);
void entry_task_receiver(void *arg)
{
k_err_t err;
void *msg_received;
while (K_TRUE) {
err = tos_prio_msg_q_pend(&prio_msg_q, &msg_received, TOS_TIME_FOREVER);
if (err == K_ERR_NONE) {
printf("receiver: msg incoming[%s]\n", (char *)msg_received);
}
}
}
void entry_task_sender(void *arg)
{
char *msg_prio_0 = "msg with priority 0";
char *msg_prio_1 = "msg with priority 1";
char *msg_prio_2 = "msg with priority 2";
printf("sender: post a message with priority 2\n");
tos_prio_msg_q_post(&prio_msg_q, msg_prio_2, 2);
printf("sender: post a message with priority 1\n");
tos_prio_msg_q_post(&prio_msg_q, msg_prio_1, 1);
printf("sender: post a message with priority 0\n");
tos_prio_msg_q_post(&prio_msg_q, msg_prio_0, 0);
}
int main(void)
{
board_init();
tos_knl_init();
tos_prio_msg_q_create(&prio_msg_q, msg_pool, MESSAGE_MAX);
(void)tos_task_create(&task_receiver, "receiver", entry_task_receiver, NULL,
5, stack_task_receiver, 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();
}