提取的nordic rf51xx/rf52xx sdk中的线程间消息通信机制,非常简洁
demo.c
#include <stdio.h>
#include <stdlib.h>
#include "app_scheduler.h" #define SCHED_MAX_EVENT_DATA_SIZE 20 /**< Maximum size of scheduler events. */
#define SCHED_QUEUE_SIZE 200 /**< Maximum size of scheduler queue. */
#define scheduler_init() APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE) typedef enum {
THREAD_INIT,
DEMO_TEST,
//add your msg
}msg_id_t; typedef struct {
uint8_t id;
uint8_t len;
uint8_t *data;
}thread_msg_t; static void msg_send_to_back(void *handler, void *msg, bool use_scher){
if(handler==)return;
if(use_scher)
app_sched_event_put(msg,sizeof(thread_msg_t),(app_sched_event_handler_t)handler);
else
((app_sched_event_handler_t)handler)(msg,sizeof(thread_msg_t));
} static void demo2_thread(void *para, uint16_t para_size)
{
printf("demo2_thread!\n");
thread_msg_t msg=*((thread_msg_t *)para);
{
switch(msg.id){
case DEMO_TEST:{
printf("%d,%d,%s \n",msg.id, msg.len, msg.data);
}
break;
}
}
} static void demo1_thread(void *para, uint16_t para_size)
{
printf("demo1_thread!\n");
const *data = "hello,world !";
thread_msg_t msg={DEMO_TEST,sizeof(thread_msg_t),data};
msg_send_to_back((void *)demo2_thread,&msg,true);
} int main()
{
scheduler_init(); thread_msg_t msg={THREAD_INIT,,};
msg_send_to_back((void *)demo1_thread,&msg,true); printf("ready go!\n");
for(;;){
app_sched_execute();
}
return ;
}
demo2.c
#include <stdio.h>
#include <stdlib.h>
#include "app_scheduler.h" #define SCHED_MAX_EVENT_DATA_SIZE 20 /**< Maximum size of scheduler events. */
#define SCHED_QUEUE_SIZE 200 /**< Maximum size of scheduler queue. */
#define scheduler_init() APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE) typedef enum {
THREAD_INIT,
DEMO_TEST,
//add your msg
}msg_id_t; typedef struct {
uint8_t id;
uint8_t len;
uint8_t *data;
}thread_msg_t; void *demo1_thread_queue=;
void *demo2_thread_queue=; static void msg_send_to_back(void *handler, void *msg, bool use_scher){
if(handler==)return;
if(use_scher)
app_sched_event_put(msg,sizeof(thread_msg_t),(app_sched_event_handler_t)handler);
else
((app_sched_event_handler_t)handler)(msg,sizeof(thread_msg_t));
} void demo2_thread(void *para, uint16_t para_size)
{
printf("demo2_thread!\n");
thread_msg_t msg=*((thread_msg_t *)para);
{
switch(msg.id){
case DEMO_TEST:{
printf("%d,%d,%s \n",msg.id, msg.len, msg.data);
}
break;
}
}
} void demo1_thread(void *para, uint16_t para_size)
{
printf("demo1_thread!\n");
const *data = "hello,world !";
thread_msg_t msg={DEMO_TEST,sizeof(thread_msg_t),data};
msg_send_to_back(demo2_thread_queue,&msg,true);
} int main()
{
scheduler_init(); demo1_thread_queue=(void *)demo1_thread;
demo2_thread_queue=(void *)demo2_thread; thread_msg_t msg={THREAD_INIT,,};
msg_send_to_back((void *)demo1_thread_queue,&msg,true); printf("ready go!\n");
for(;;){
app_sched_execute();
}
return ;
}