| | |
| | | #include <time.h> |
| | | #include <unistd.h> |
| | | |
| | | #include "led.h" |
| | | #include "ds18b20.h" |
| | | #include "sht20.h" |
| | | #include "logger.h" |
| | | #include "proc.h" |
| | | #include "hal.h" |
| | | |
| | | int hal_init(void); |
| | | #define DAEMON_PIDFILE "/tmp/.mqtt.pid" |
| | | |
| | | /******************************************************************************** |
| | | * Description: |
| | | * Input Args: |
| | | * Output Args: |
| | | * Return Value: |
| | | ********************************************************************************/ |
| | | |
| | | typedef struct mqtt_ctx_s |
| | | { |
| | | int conf; |
| | | } mqtt_ctx_t; |
| | | |
| | | |
| | | int check_set_program_running(int daemon); |
| | | void *mqtt_sub_worker(void *args); |
| | | void *mqtt_pub_worker(void *args); |
| | | |
| | | |
| | | int main (int argc, char **argv) |
| | | { |
| | | float temp; |
| | | float rh; |
| | | int daemon = 0; |
| | | pthread_t tid; |
| | | mqtt_ctx_t ctx; |
| | | |
| | | //if( logger_init("mqttd.log", LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | if( logger_init(DBG_LOG_FILE, LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | { |
| | | fprintf(stderr, "Logger system initialise failure\n"); |
| | | return -2; |
| | | } |
| | | log_dbg("Logger system initialise ok\n"); |
| | | |
| | | install_proc_signal(); |
| | | |
| | | if( check_set_program_running(daemon) < 0 ) |
| | | { |
| | | goto OUT; |
| | | } |
| | | |
| | | if( thread_start(&tid, mqtt_sub_worker, &ctx ) < 0 ) |
| | | { |
| | | log_fatal("Start MQTT subscibe worker thread failure\n"); |
| | | goto OUT; |
| | | } |
| | | |
| | | if( thread_start(&tid, mqtt_pub_worker, &ctx) < 0 ) |
| | | { |
| | | log_fatal("Start MQTT publish worker thread failure\n"); |
| | | goto OUT; |
| | | } |
| | | |
| | | |
| | | #if 0 |
| | | if( hal_init() < 0 ) |
| | | { |
| | | printf("Initialise hardware failure\n"); |
| | | log_err("Initialise hardware failure\n"); |
| | | return -1; |
| | | } |
| | | log_nrml("HAL initialise ok\n"); |
| | | #endif |
| | | |
| | | while(1) |
| | | |
| | | while( ! g_signal.stop ) |
| | | { |
| | | turn_led(LED_R, ON); |
| | | sleep(1); |
| | | turn_led(LED_R, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_G, ON); |
| | | sleep(1); |
| | | turn_led(LED_G, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_B, ON); |
| | | sleep(1); |
| | | turn_led(LED_B, OFF); |
| | | sleep(1); |
| | | |
| | | if(sht2x_get_temp_humidity(&temp, &rh) < 0) |
| | | { |
| | | printf("SHT2X get temperature and relative humidity failure\n"); |
| | | } |
| | | else |
| | | { |
| | | printf("SHT2X Temperature=%lfC, Relative humidity=%lf%% \n", temp, rh); |
| | | } |
| | | |
| | | |
| | | if( ds18b20_get_temperature(&temp) < 0) |
| | | { |
| | | printf("DS18B20 get temperature failure\n"); |
| | | } |
| | | else |
| | | { |
| | | printf("DS18B20 get temperature=%lf ℃ \n", temp); |
| | | } |
| | | msleep(1000); |
| | | log_nrml("Main control thread continue running\n"); |
| | | } |
| | | |
| | | |
| | | OUT: |
| | | logger_term(); |
| | | |
| | | return 0; |
| | | } /* ----- End of main() ----- */ |
| | | |
| | | |
| | | int hal_init(void) |
| | | int check_set_program_running(int daemon) |
| | | { |
| | | init_led(); |
| | | |
| | | if( sht2x_init() < 0 ) |
| | | if( check_daemon_running(DAEMON_PIDFILE) ) |
| | | { |
| | | printf("Initialise SHT20 failure\n"); |
| | | return -2; |
| | | log_err("Program already running, process exit now"); |
| | | return -1; |
| | | } |
| | | |
| | | if( daemon ) |
| | | { |
| | | if( set_daemon_running(DAEMON_PIDFILE) < 0 ) |
| | | { |
| | | log_err("set program running as daemon failure\n"); |
| | | return -2; |
| | | } |
| | | } |
| | | else |
| | | { |
| | | if( record_daemon_pid(DAEMON_PIDFILE) < 0 ) |
| | | { |
| | | log_err("record program running PID failure\n"); |
| | | return -3; |
| | | } |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | void *mqtt_pub_worker(void *args) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)args; |
| | | |
| | | while( !g_signal.stop ) |
| | | { |
| | | msleep(1000); |
| | | log_nrml("MQTT publish thread running\n"); |
| | | } |
| | | |
| | | return NULL; |
| | | } |
| | | |
| | | void *mqtt_sub_worker(void *args) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)args; |
| | | |
| | | while( !g_signal.stop ) |
| | | { |
| | | msleep(1000); |
| | | log_nrml("MQTT subscibe thread running\n"); |
| | | } |
| | | |
| | | return NULL; |
| | | } |
| | | |