Quicksand micro-electronics / Mbed 2 deprecated HelloWorld - QW Development kit

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Dependencies:   mbed QW_Sensors

main.cpp@4:69df63eeb91e, 2017-03-14 (annotated)

Committer:
quicksand
Date:
Tue Mar 14 14:54:35 2017 +0000
Revision:
4:69df63eeb91e
Parent:
3:4da15d6e1429
Child:
5:ca670603d63d
Updated the function that sends out the SIGFOX command to be more robust.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
quicksand 0:49858c4c3500 1 #include "mbed.h"
quicksand 1:897a1b3f0955 2 #include "math.h"
quicksand 1:897a1b3f0955 3 #include "LinearTempSensor.h"
quicksand 0:49858c4c3500 4
quicksand 1:897a1b3f0955 5 /* The 4 onboard LEDs */
quicksand 0:49858c4c3500 6 DigitalOut LED_0 (PB_6);
quicksand 0:49858c4c3500 7 DigitalOut LED_1 (PA_7);
quicksand 0:49858c4c3500 8 DigitalOut LED_2 (PA_6);
quicksand 0:49858c4c3500 9 DigitalOut LED_3 (PA_5);
quicksand 0:49858c4c3500 10
quicksand 1:897a1b3f0955 11 /* The 2 user buttons */
quicksand 1:897a1b3f0955 12 InterruptIn SW1(PA_8);
quicksand 1:897a1b3f0955 13 InterruptIn SW2(PB_10);
quicksand 1:897a1b3f0955 14
quicksand 1:897a1b3f0955 15 /*Temperature sensor */
quicksand 2:a4a68a858624 16 LinearTempSensor sensor(PA_0, 5);
quicksand 0:49858c4c3500 17
quicksand 1:897a1b3f0955 18 /* Function prototypes */
quicksand 1:897a1b3f0955 19 void sw1interrupt();
quicksand 1:897a1b3f0955 20 void sw2interrupt();
quicksand 1:897a1b3f0955 21 void beat();
quicksand 1:897a1b3f0955 22 void sertmout();
quicksand 1:897a1b3f0955 23 bool modem_command_check_ok(char * command);
quicksand 1:897a1b3f0955 24 void modem_setup();
quicksand 1:897a1b3f0955 25 void txData(uint8_t btn);
quicksand 0:49858c4c3500 26
quicksand 1:897a1b3f0955 27 bool ser_timeout = false;
quicksand 1:897a1b3f0955 28
quicksand 1:897a1b3f0955 29 Ticker heartbeat;
quicksand 1:897a1b3f0955 30
quicksand 1:897a1b3f0955 31 /* Serial port over USB */
quicksand 0:49858c4c3500 32 Serial pc(USBTX, USBRX);
quicksand 1:897a1b3f0955 33
quicksand 1:897a1b3f0955 34 /* Serial connection to sigfox modem */
quicksand 0:49858c4c3500 35 Serial modem(PA_9, PA_10);
quicksand 0:49858c4c3500 36
quicksand 1:897a1b3f0955 37
quicksand 1:897a1b3f0955 38 int main()
quicksand 1:897a1b3f0955 39 {
quicksand 0:49858c4c3500 40
quicksand 1:897a1b3f0955 41 /* Setup TD120x */
quicksand 1:897a1b3f0955 42 wait(3);
quicksand 1:897a1b3f0955 43 modem_setup();
quicksand 1:897a1b3f0955 44 /* Test temperature sensor */
quicksand 1:897a1b3f0955 45 float vOut = sensor.Sense();
quicksand 1:897a1b3f0955 46 pc.printf("\n\rMCP9700 reading: Vout: %.2f mV", vOut);
quicksand 0:49858c4c3500 47
quicksand 1:897a1b3f0955 48 /* Turn off all LED */
quicksand 0:49858c4c3500 49 LED_0 = 1;
quicksand 0:49858c4c3500 50 LED_1 = 1;
quicksand 0:49858c4c3500 51 LED_2 = 1;
quicksand 0:49858c4c3500 52 LED_3 = 1;
quicksand 1:897a1b3f0955 53
quicksand 1:897a1b3f0955 54 /* Blinking LED */
quicksand 1:897a1b3f0955 55 heartbeat.attach(&beat, 0.5);
quicksand 1:897a1b3f0955 56
quicksand 1:897a1b3f0955 57 /* Setup button interrupts */
quicksand 1:897a1b3f0955 58 SW2.fall(&sw2interrupt);
quicksand 1:897a1b3f0955 59 SW1.fall(&sw1interrupt);
quicksand 1:897a1b3f0955 60
quicksand 1:897a1b3f0955 61 while(1) {
quicksand 0:49858c4c3500 62 if(pc.readable()) {
quicksand 0:49858c4c3500 63 modem.putc(pc.getc());
quicksand 0:49858c4c3500 64 }
quicksand 0:49858c4c3500 65 if(modem.readable()) {
quicksand 1:897a1b3f0955 66 pc.putc(modem.getc());
quicksand 0:49858c4c3500 67 }
quicksand 0:49858c4c3500 68 }
quicksand 0:49858c4c3500 69 }
quicksand 1:897a1b3f0955 70
quicksand 1:897a1b3f0955 71 void beat()
quicksand 1:897a1b3f0955 72 {
quicksand 1:897a1b3f0955 73 LED_0 = !LED_0;
quicksand 1:897a1b3f0955 74 }
quicksand 1:897a1b3f0955 75
quicksand 1:897a1b3f0955 76 /* Button 1 ISR */
quicksand 1:897a1b3f0955 77 void sw1interrupt()
quicksand 1:897a1b3f0955 78 {
quicksand 1:897a1b3f0955 79 pc.printf("\n\rButton 1 pressed\n\r");
quicksand 1:897a1b3f0955 80 LED_1 = 0;
quicksand 1:897a1b3f0955 81 txData(1);
quicksand 1:897a1b3f0955 82 }
quicksand 1:897a1b3f0955 83
quicksand 1:897a1b3f0955 84 /* Button 2 ISR */
quicksand 1:897a1b3f0955 85 void sw2interrupt()
quicksand 1:897a1b3f0955 86 {
quicksand 1:897a1b3f0955 87 pc.printf("\n\rButton 2 pressed\n\r");
quicksand 1:897a1b3f0955 88 LED_2 = 0;
quicksand 1:897a1b3f0955 89 txData(2);
quicksand 1:897a1b3f0955 90 }
quicksand 1:897a1b3f0955 91
quicksand 1:897a1b3f0955 92
quicksand 1:897a1b3f0955 93 /* TX data over Sigfox */
quicksand 1:897a1b3f0955 94 void txData (uint8_t btn)
quicksand 1:897a1b3f0955 95 {
quicksand 1:897a1b3f0955 96 float tAvg;
quicksand 1:897a1b3f0955 97 char command[32];
quicksand 2:a4a68a858624 98 sensor.Sense();
quicksand 1:897a1b3f0955 99 tAvg = sensor.GetAverageTemp();
quicksand 1:897a1b3f0955 100 char temperature[6] ="";
quicksand 1:897a1b3f0955 101 sprintf(temperature, "%3.1f", tAvg);
quicksand 1:897a1b3f0955 102 for(int i = 0; i < 5; i++)
quicksand 1:897a1b3f0955 103 if(temperature[i]==0) temperature[i] = ' ';
quicksand 3:4da15d6e1429 104 sprintf(command, "AT$SF=0142544e%x20%x%x%x%x%x43,2,0\n", btn+48, temperature[0],temperature[1],temperature[2],temperature[3],temperature[4]);
quicksand 1:897a1b3f0955 105 pc.printf("Sending pressed button %d and temperature %s C over Sigfox.\n", btn, temperature);
quicksand 1:897a1b3f0955 106 pc.printf("using modem command: %s", command);
quicksand 1:897a1b3f0955 107 modem_command_check_ok(command);
quicksand 1:897a1b3f0955 108 LED_1 = 1;
quicksand 1:897a1b3f0955 109 LED_2 = 1;
quicksand 1:897a1b3f0955 110 }
quicksand 1:897a1b3f0955 111
quicksand 1:897a1b3f0955 112 void modem_setup()
quicksand 1:897a1b3f0955 113 {
quicksand 1:897a1b3f0955 114 /* Reset to factory defaults */
quicksand 1:897a1b3f0955 115 if(modem_command_check_ok("AT&F")) {
quicksand 1:897a1b3f0955 116 pc.printf("Factory reset succesfull\r\n");
quicksand 1:897a1b3f0955 117 } else {
quicksand 1:897a1b3f0955 118 pc.printf("Factory reset TD120x failed\r\n");
quicksand 1:897a1b3f0955 119 }
quicksand 1:897a1b3f0955 120 /* Disable local echo */
quicksand 1:897a1b3f0955 121 modem.printf("ATE0\n");
quicksand 1:897a1b3f0955 122 if(modem_command_check_ok("ATE0")) {
quicksand 1:897a1b3f0955 123 pc.printf("Local echo disabled\r\n");
quicksand 1:897a1b3f0955 124 }
quicksand 1:897a1b3f0955 125 /* Write to mem */
quicksand 1:897a1b3f0955 126 if(modem_command_check_ok("AT&W")) {
quicksand 1:897a1b3f0955 127 pc.printf("Settings saved!\r\n");
quicksand 1:897a1b3f0955 128 }
quicksand 1:897a1b3f0955 129 }
quicksand 1:897a1b3f0955 130
quicksand 1:897a1b3f0955 131 /* ISR for serial timeout */
quicksand 1:897a1b3f0955 132 void sertmout()
quicksand 1:897a1b3f0955 133 {
quicksand 1:897a1b3f0955 134 ser_timeout = true;
quicksand 1:897a1b3f0955 135 }
quicksand 1:897a1b3f0955 136
quicksand 1:897a1b3f0955 137 bool modem_command_check_ok(char * command)
quicksand 1:897a1b3f0955 138 {
quicksand 1:897a1b3f0955 139 /* first clear serial data buffers */
quicksand 1:897a1b3f0955 140 while(modem.readable()) modem.getc();
quicksand 1:897a1b3f0955 141 /* Timeout for response of the modem */
quicksand 1:897a1b3f0955 142 Timeout tmout;
quicksand 1:897a1b3f0955 143 ser_timeout = false;
quicksand 4:69df63eeb91e 144 // check if ok or error is received
quicksand 4:69df63eeb91e 145 char * readyString = "OK";
quicksand 4:69df63eeb91e 146 char * readyStringPtr;
quicksand 4:69df63eeb91e 147 readyStringPtr = readyString;
quicksand 4:69df63eeb91e 148 char * errorString = "ERROR";
quicksand 4:69df63eeb91e 149 char * errorStringPtr;
quicksand 4:69df63eeb91e 150 errorStringPtr = errorString;
quicksand 1:897a1b3f0955 151 /* Flag to set when we get 'OK' response */
quicksand 1:897a1b3f0955 152 bool ok = false;
quicksand 1:897a1b3f0955 153 bool error = false;
quicksand 1:897a1b3f0955 154 /* Print command to TD120x */
quicksand 1:897a1b3f0955 155 modem.printf(command);
quicksand 1:897a1b3f0955 156 /* Newline to activate command */
quicksand 1:897a1b3f0955 157 modem.printf("\n");
quicksand 4:69df63eeb91e 158 /* Wait untill serial feedback, max 10 seconds before timeout */
quicksand 4:69df63eeb91e 159 tmout.attach(&sertmout, 10.0);
quicksand 4:69df63eeb91e 160 int c;
quicksand 4:69df63eeb91e 161 while(!ser_timeout && !ok && !error)
quicksand 4:69df63eeb91e 162 if(modem.readable())
quicksand 4:69df63eeb91e 163 while (((c = modem.getc()) > 0) && !ser_timeout && !ok && !error) {
quicksand 4:69df63eeb91e 164 if ( (char)c == *readyStringPtr ) readyStringPtr++;
quicksand 4:69df63eeb91e 165 else readyStringPtr = readyString;
quicksand 4:69df63eeb91e 166 if ( *readyStringPtr == 0 ) {
quicksand 4:69df63eeb91e 167 ok = true;
quicksand 4:69df63eeb91e 168 }
quicksand 4:69df63eeb91e 169 if ( (char)c == *errorStringPtr ) errorStringPtr++;
quicksand 4:69df63eeb91e 170 else errorStringPtr = errorString;
quicksand 4:69df63eeb91e 171 if ( *errorStringPtr == 0 ) {
quicksand 4:69df63eeb91e 172 error = true;
quicksand 4:69df63eeb91e 173 }
quicksand 1:897a1b3f0955 174 }
quicksand 1:897a1b3f0955 175 tmout.detach();
quicksand 4:69df63eeb91e 176 if(ser_timeout) return false;
quicksand 4:69df63eeb91e 177 else return ok;
quicksand 1:897a1b3f0955 178 }