add HTTP example
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e9489ec910
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94d4d5c722
69
main.c
69
main.c
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@ -188,6 +188,73 @@ void main(void)
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printf("setup ESP8266 WiFi SoC: ");
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printf("setup ESP8266 WiFi SoC: ");
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radio_esp8266_setup();
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radio_esp8266_setup();
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printf("OK\n");
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printf("OK\n");
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// send HTTP POST request
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printf("making HTTP request: ");
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radio_esp8266_tcp_open("192.168.42.2",8086); // open connection
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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return; // not ideal error handling
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}
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char http_line[256+1] = {0};
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int http_length = snprintf(http_line, LENGTH(http_line), "POST /write?db=test HTTP/1.1\r\n");
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if (http_length<=0) { // line creation failed
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while (true); // not ideal error handling
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}
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radio_esp8266_send((uint8_t*)http_line, http_length); // send data
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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while (true); // not ideal error handling
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}
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http_length = snprintf(http_line, LENGTH(http_line), "Content-Length: 74\r\n");
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if (http_length<=0) { // line creation failed
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while (true); // not ideal error handling
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}
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radio_esp8266_send((uint8_t*)http_line, http_length); // send data
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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while (true); // not ideal error handling
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}
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http_length = snprintf(http_line, LENGTH(http_line), "Host: influx\r\n");
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if (http_length<=0) { // line creation failed
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while (true); // not ideal error handling
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}
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radio_esp8266_send((uint8_t*)http_line, http_length); // send data
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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while (true); // not ideal error handling
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}
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http_length = snprintf(http_line, LENGTH(http_line), "\r\n");
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if (http_length<=0) { // line creation failed
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while (true); // not ideal error handling
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}
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radio_esp8266_send((uint8_t*)http_line, http_length); // send data
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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while (true); // not ideal error handling
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}
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http_length = snprintf(http_line, LENGTH(http_line), "cpu_load_short,host=server01,region=us-west value=0.64 1434055562000000000");
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if (http_length<=0) { // line creation failed
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while (true); // not ideal error handling
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}
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radio_esp8266_send((uint8_t*)http_line, http_length); // send data
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while (!radio_esp8266_activity) { // wait until response has been received
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__WFI(); // wait until something happens
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}
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if (!radio_esp8266_success) { // could not open port
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while (true); // not ideal error handling
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}
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printf("OK\n");
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// main loop
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// main loop
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printf("command input: ready\n");
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printf("command input: ready\n");
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@ -279,7 +346,7 @@ void main(void)
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ticks_time = rtc_get_counter_val(); // copy time from internal RTC for processing
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ticks_time = rtc_get_counter_val(); // copy time from internal RTC for processing
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action = true; // action has been performed
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action = true; // action has been performed
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if ((ticks_time%(60))==0) { // one minute passed
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if ((ticks_time%(60))==0) { // one minute passed
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printf("uptime %02lu:%02lu:%02lu\n", ticks_time/(60*60), (ticks_time%(60*60))/60, (ticks_time%60)); // display external time
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printf("uptime: %02lu:%02lu:%02lu\n", ticks_time/(60*60), (ticks_time%(60*60))/60, (ticks_time%60)); // display external time
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}
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}
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}
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}
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if (action) { // go to sleep if nothing had to be done, else recheck for activity
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if (action) { // go to sleep if nothing had to be done, else recheck for activity
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