An application to log WiFi SSIDs for position lookup testing
Dependencies: C027_Support SWO mbed-rtos mbed picojson
Fork of lpc4088_ebb_ublox_Cellular_PubNubDemo_rtos by
Diff: PubNubDemo.cpp
- Revision:
- 1:cac9b2960637
- Parent:
- 0:713518ea5028
diff -r 713518ea5028 -r cac9b2960637 PubNubDemo.cpp --- a/PubNubDemo.cpp Wed Oct 01 11:39:10 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,313 +0,0 @@ -#include <cstring> - -#include "mbed.h" -#include "rtos.h" -//#include "C12832.h" -//#include "MMA7660.h" -#include "MMA7455.h" -#include "LM75B.h" - -#include "picojson.h" -#include "PubNub.h" - -#include "sdram.h" - -//------------------------------------------------------------------------------------ -// You need to configure these cellular modem / SIM parameters. -// These parameters are ignored for LISA-C200 variants and can be left NULL. -//------------------------------------------------------------------------------------ -#include "MDM.h" -//! Set your secret SIM pin here (e.g. "1234"). Check your SIM manual. -#define SIMPIN NULL -/*! The APN of your network operator SIM, sometimes it is "internet" check your - contract with the network operator. You can also try to look-up your settings in - google: https://www.google.de/search?q=APN+list */ -#define APN "online.telia.se" -//! Set the user name for your APN, or NULL if not needed -#define USERNAME NULL -//! Set the password for your APN, or NULL if not needed -#define PASSWORD NULL -//------------------------------------------------------------------------------------ - -/* Demo of PubNub + the mbed application board. */ - -/* How to get things set up: */ -/* 1. Tune in at the PubNub Developer Console, with the following - * keys (press Subscribe afterwards): */ -const char pubkey[] = "demo"; -const char subkey[] = "demo"; -//const char channel[] = "mbed"; -const char channel_pub[] = "mbed_data"; -const char channel_sub[] = "mbed_cmd"; -/* 2. Attach your mbed board to your computer. A folder should pop up like - * if you plug in a USB memory stick. */ -/* 3. Open this example in the mbed web IDE and hit the Compile button. */ -/* 4. A download popup with a .bin file will appear; save it in the USB - * mbed folder. */ -/* 5. Press reset button on the mbed to start things up. */ - -/* You will see the board publish a "status" message that shows its - * current temperature and physical tilt. The board's LCD should - * print some progress messages regarding that. */ -/* You can make the board do things too, by sending messages like: - * { "send_status": true } - * { "lcd": "Hi there!" } - * { "beep": true } - * { "led": {"r": 0.5, "g": 1, "b": 0} } - * Try it out! Paste these in the Message window and press the send icon. - */ - -Serial pc(USBTX, USBRX); // tx, rx -//MMA7660 MMA(P0_27, P0_28); -MMA7455 MMA(P0_27, P0_28); -LM75B tmp(P0_27, P0_28, LM75B::ADDRESS_1); -//C12832 lcd(D11, D13, D12, D7, D10); - -PwmOut led_r(p25); // RGB LED with 3 PWM outputs for dimmer control -PwmOut led_g(p28); -PwmOut led_b(p26); -//PwmOut speaker(D6); // Speaker with PWM driver - -DigitalOut led1(LED1); -DigitalOut led2(LED2); -DigitalOut led3(LED3); -DigitalOut led4(LED4); - - -bool forceStatusUpdate = true; - -Mutex stdio_mutex; - -#define safe_printf(...) do { \ - stdio_mutex.lock(); \ - pc.printf(__VA_ARGS__); \ - stdio_mutex.unlock(); \ - } while(0) - -#define safe_print_pnub_err(__prefix) do { \ - stdio_mutex.lock(); \ - if (pnub_err) { \ - pc.printf("%s: ERR, code = %d, line = %d\n", (__prefix), pnub_code, pnub_line); \ - pnub_err = false; \ - } \ - stdio_mutex.unlock(); \ - } while(0) - -void pnub_err_handler(PubNubRes code, int line) { - stdio_mutex.lock(); - if (code != PNR_OK) { - pc.printf("PbuNub:%d ERROR %d\n", line, code); - } - stdio_mutex.unlock(); -} - -void process_msg(PubNub &pn, const char *jsonmsg) -{ - /* Use the picojson parser since we want to deal with complex messages. - * If you are short on memory, you can find an example for parsing simple - * JSON messages in the PubNub::subscribe() API docs. */ - picojson::value msg; - std::string err = picojson::parse(msg, jsonmsg, jsonmsg + strlen(jsonmsg)); - do { - if (!err.empty()) { - safe_printf("JSON parse: %s \n", err.c_str()); - break; - } - - if (msg.get("send_status").get<bool>()) { - //status_msg(pn); - forceStatusUpdate = true; - safe_printf("force_update\n"); - break; - } - if (msg.get("lcd").is<std::string>()) { - safe_printf("in: %s \n", msg.get("lcd").get<std::string>().c_str()); - break; - } - if (msg.get("beep").is<bool>()) { - //speaker = msg.get("beep").get<bool>() ? 0.5 : 0; - break; - } - if (msg.get("led").is<picojson::object>()) { - picojson::value led = msg.get("led"); - safe_printf("Old RGB { %.3f, %.3f, %.3f }\n", led_r.read(), led_g.read(), led_b.read()); - if (led.get("r").is<double>()) led_r = 1.0 - led.get("r").get<double>(); - if (led.get("g").is<double>()) led_g = 1.0 - led.get("g").get<double>(); - if (led.get("b").is<double>()) led_b = 1.0 - led.get("b").get<double>(); - safe_printf("New RGB { %.3f, %.3f, %.3f }\n", led_r.read(), led_g.read(), led_b.read()); - break; - } - } while(0); -} - -void publish_thread(void const *args) -{ - PubNub pn(pubkey, subkey); - Timer t; - t.start(); - Timer tDbg; - int nDbg = 0; - float lastTemp = -3.75f; - while (true) { - - /* Read sensors. */ - int m[3]; - MMA.read(m[0], m[1], m[2]); - float temp = (float)tmp; - - /* Print on LCD. */ - safe_printf("cur: mx=%3d, my=%3d, mz=%3d, t=%.2f \n", m[0], m[1], m[2], temp); - - if (forceStatusUpdate || (temp != lastTemp)) { - lastTemp = temp; - forceStatusUpdate = false; - - /* Prepare JSON message. */ - char jsonmsg[128]; -// snprintf(jsonmsg, sizeof(jsonmsg), -// "{\"status\":{\"mx\":%3d,\"my\":%3d,\"mz\":%3d,\"temp\":%.2f}}", -// m[0], m[1], m[2], temp); - snprintf(jsonmsg, sizeof(jsonmsg), - "%%7B%%22status%%22:%%7B%%22mx%%22:%3d,%%22my%%22:%3d,%%22mz%%22:%3d,%%22temp%%22:%.2f%%7D%%7D", - m[0], m[1], m[2], temp); - - /* Publish on PubNub. */ - safe_printf("before publishing\n"); - led_r = 0; - tDbg.start(); -// PubNubRes ret = pn.publish(channel_pub, jsonmsg); - PubNubRes ret = pn.publish_urlenc(channel_pub, jsonmsg); - tDbg.stop(); - if (++nDbg == 10) { - safe_printf("10 requests took %d ms, i.e %d ms/req\n", tDbg.read_ms(), tDbg.read_ms()/10); - tDbg.reset(); - nDbg = 0; - } - - if (ret != PNR_OK) { - safe_printf("puberr: %d \n", ret); - //safe_print_pnub_err("pub"); - forceStatusUpdate = true; // so that we can try again - } - led_r = 1; - safe_printf("after publishing\n"); - } - - wait_ms(100); - } -} - -void subscribe_thread(void const *args) -{ - PubNub pn(pubkey, subkey); - while(true) { - char *reply = NULL; - PubNubRes ret = pn.subscribe(channel_sub, &reply); - if (ret != PNR_OK) { - safe_printf("suberr: %d \n", ret); - //safe_print_pnub_err("sub"); - wait(1.0); - continue; - } - - if (reply) { - safe_printf("recv(%s)\n", reply); - process_msg(pn, reply); - } - - wait(0.5); // avoid busy loop in bad situations - } -} - -/** Cause the mbed to flash the BLOD (Blue LEDs Of Death) sequence - */ -void mbed_die(void) -{ - led1 = led2 = 1; led3 = led4 = 0; // lights out - while(1) { - led1 = 1; - led3 = 1; - wait_ms(100); - led2 = 1; - led1 = 0; - wait_ms(100); - led4 = 0; - led2 = 0; - wait_ms(100); - led3 = 0; - led4 = 1; - wait_ms(100); - } -} - -int main() -{ - if (sdram_init()) { - pc.printf("Failed to initialize SDRAM\n"); - } - - /* For debugging, you may find it useful to print memory usage - * stats. AvailableMemory may be flaky, but the following is nice. - * It will get printed to the USB serial port interface. */ - //printf("%d: ", __LINE__); __heapstats((__heapprt)fprintf, stdout); - - /* Generate a 800Hz tone using PWM hardware output */ - //speaker.period(1.0/800.0); // 800hz period - led_r = led_g = led_b = 1.0; // lights out - led1 = led2 = 1; led3 = led4 = 0; // lights out - - //lcd.cls(); - //lcd.locate(0,0); - - if (!tmp.open()) { - pc.printf("Failed to open LM75 temperature sensor\n"); - } - -// if (!MMA.testConnection()) -// pc.printf("MMA error \n"); - - // Initialize the accelerometer - if (!MMA.setMode(MMA7455::ModeMeasurement)) { - printf("Unable to set mode for MMA7455!\n"); - } - - // Calibrate it. It does not matter if it is on a level surface - // as this test is only interested in relative values. - if (!MMA.calibrate()) { - printf("Failed to calibrate MMA7455!\n"); - } - - MDMRtos<MDMSerial> mdm; - //mdm.setDebug(4); // enable this for debugging issues - int i; - for (i = 1; i <= 10; i++) { - if (mdm.connect(SIMPIN, APN,USERNAME,PASSWORD)) { - printf("Connected\n"); - mdm.setDebug(0); // disable debug again - break; - } else { - printf("Attempt %2d to connect to the modem FAILED.\n", i); - wait(1); - mdm.setDebug(min(i, 4)); // to add more and more debug output - } - } - if (i > 10) { - printf("Failed to connect to the modem\n"); - mbed_die(); - } - - forceStatusUpdate = true; - //status_msg(pn); - // lcd.printf("pub... "); - - Thread t_p(publish_thread); - Thread t_s(subscribe_thread); - - while (1) { - Thread::wait(2000); - safe_printf(".\n"); - } - - mdm.disconnect(); - mdm.powerOff(); -}