Nathan Schwartz / Mbed 2 deprecated ATT_SMS_System

ATT_SMS_System for home security system

Dependencies:   FXOS8700CQ MODSERIAL mbed-rtos mbed

Fork of ATT_Cellular_IOT_Button by Richard Finn

main.cpp@70:e25fe7e5488a, 2016-08-09 (annotated)

Committer:
rfinn
Date:
Tue Aug 09 23:55:37 2016 +0000
Revision:
70:e25fe7e5488a
Parent:
68:d38834307b17
Child:
71:bcbc072b85e1
corrected config names, added HTTP example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rfinn 68:d38834307b17 1 #include "mbed.h"
JMF 0:9d5134074d84 2 #include <cctype>
JMF 0:9d5134074d84 3 #include <string>
JMF 2:0e2ef866af95 4 #include "config_me.h"
stefanrousseau 61:f6b93129f954 5 #include "cell_modem.h"
stefanrousseau 11:e6602513730f 6 #include "hardware.h"
stefanrousseau 11:e6602513730f 7
stefanrousseau 61:f6b93129f954 8 I2C i2c(PTC11, PTC10); //SDA, SCL -- define the I2C pins being used
stefanrousseau 56:cb42ff383dab 9 MODSERIAL pc(USBTX, USBRX, 256, 256); // tx, rx with default tx, rx buffer sizes
stefanrousseau 63:90d7c69993cd 10 MODSERIAL mdm(PTD3, PTD2, 4096, 4096);
stefanrousseau 16:17c5916f2d12 11 DigitalOut led_green(LED_GREEN);
stefanrousseau 16:17c5916f2d12 12 DigitalOut led_red(LED_RED);
stefanrousseau 16:17c5916f2d12 13 DigitalOut led_blue(LED_BLUE);
JMF 0:9d5134074d84 14
rfinn 68:d38834307b17 15 // interrupts for buttons
rfinn 68:d38834307b17 16 InterruptIn sw3(SW3);
rfinn 68:d38834307b17 17 InterruptIn sw2(SW2);
JMF 0:9d5134074d84 18
rfinn 68:d38834307b17 19 // flag - must be volatile as changes within ISR
rfinn 68:d38834307b17 20 // g_ prefix makes it easier to distinguish it as global
rfinn 68:d38834307b17 21 volatile int g_sw3_flag = 0;
rfinn 68:d38834307b17 22 volatile int g_sw2_flag = 0;
rfinn 68:d38834307b17 23
rfinn 68:d38834307b17 24 // SW2 event-triggered interrupt
rfinn 68:d38834307b17 25 void sw2_isr_down()
stefanrousseau 3:26b3cc155f39 26 {
rfinn 68:d38834307b17 27 g_sw2_flag = 1; // set flag in ISR
rfinn 68:d38834307b17 28 }
stefanrousseau 12:7c94ec5069dc 29
rfinn 68:d38834307b17 30 void sw2_isr_up()
stefanrousseau 3:26b3cc155f39 31 {
rfinn 68:d38834307b17 32 g_sw2_flag = 0;
rfinn 68:d38834307b17 33 }
rfinn 68:d38834307b17 34
rfinn 68:d38834307b17 35 // SW3 event-triggered interrupt
rfinn 68:d38834307b17 36 void sw3_isr_down()
rfinn 68:d38834307b17 37 {
rfinn 68:d38834307b17 38 g_sw3_flag = 1; // set flag in ISR
rfinn 68:d38834307b17 39 }
rfinn 68:d38834307b17 40
rfinn 68:d38834307b17 41 void sw3_isr_up()
stefanrousseau 3:26b3cc155f39 42 {
rfinn 68:d38834307b17 43 g_sw3_flag = 0;
rfinn 68:d38834307b17 44 }
rfinn 68:d38834307b17 45
rfinn 68:d38834307b17 46 void GenerateModemString(char * modem_string, char btn1, char btn2)
rfinn 68:d38834307b17 47 {
rfinn 68:d38834307b17 48 sprintf(modem_string, "serial:%s button1:%c button2:%c\r\n",
rfinn 68:d38834307b17 49 M2X_DEVICE_SERIAL, btn1, btn2
rfinn 68:d38834307b17 50 );
rfinn 70:e25fe7e5488a 51
rfinn 70:e25fe7e5488a 52 // HTTP method
rfinn 70:e25fe7e5488a 53 /*sprintf(modem_string, "GET %s%s?serial=%s&button1=%c&button2=%c %s%s\r\n\r\n",
rfinn 70:e25fe7e5488a 54 FLOW_BASE_PATH, FLOW_INPUT_NAME, M2X_DEVICE_NAME,
rfinn 70:e25fe7e5488a 55 btn1, btn2,
rfinn 70:e25fe7e5488a 56 FLOW_URL_TYPE, MY_SERVER_NAME); */
rfinn 70:e25fe7e5488a 57
rfinn 68:d38834307b17 58 } //GenerateModemString
rfinn 68:d38834307b17 59
stefanrousseau 3:26b3cc155f39 60
stefanrousseau 16:17c5916f2d12 61 //********************************************************************************************************************************************
stefanrousseau 16:17c5916f2d12 62 //* Set the RGB LED's Color
rfinn 68:d38834307b17 63 //* LED Color 0=Off to 7=White. 3 bits represent BGR (bit0=Red, bit1=Green, bit2=Blue)
stefanrousseau 16:17c5916f2d12 64 //********************************************************************************************************************************************
stefanrousseau 16:17c5916f2d12 65 void SetLedColor(unsigned char ucColor)
stefanrousseau 16:17c5916f2d12 66 {
stefanrousseau 16:17c5916f2d12 67 //Note that when an LED is on, you write a 0 to it:
stefanrousseau 16:17c5916f2d12 68 led_red = !(ucColor & 0x1); //bit 0
stefanrousseau 16:17c5916f2d12 69 led_green = !(ucColor & 0x2); //bit 1
stefanrousseau 16:17c5916f2d12 70 led_blue = !(ucColor & 0x4); //bit 2
stefanrousseau 16:17c5916f2d12 71 } //SetLedColor()
stefanrousseau 16:17c5916f2d12 72
stefanrousseau 16:17c5916f2d12 73 //********************************************************************************************************************************************
rfinn 68:d38834307b17 74 //* Process the JSON response. In this example we are only extracting a LED color.
stefanrousseau 16:17c5916f2d12 75 //********************************************************************************************************************************************
stefanrousseau 16:17c5916f2d12 76 bool parse_JSON(char* json_string)
stefanrousseau 16:17c5916f2d12 77 {
stefanrousseau 16:17c5916f2d12 78 char* beginquote;
stefanrousseau 16:17c5916f2d12 79 char token[] = "\"LED\":\"";
stefanrousseau 16:17c5916f2d12 80 beginquote = strstr(json_string, token );
rfinn 68:d38834307b17 81 if ((beginquote != 0)) {
stefanrousseau 16:17c5916f2d12 82 char cLedColor = beginquote[strlen(token)];
stefanrousseau 64:09004cd610df 83 PRINTF(GRN "LED Found : %c" DEF "\r\n", cLedColor);
rfinn 68:d38834307b17 84 switch(cLedColor) {
rfinn 68:d38834307b17 85 case 'O': {
rfinn 68:d38834307b17 86 //Off
stefanrousseau 16:17c5916f2d12 87 SetLedColor(0);
stefanrousseau 16:17c5916f2d12 88 break;
stefanrousseau 16:17c5916f2d12 89 }
rfinn 68:d38834307b17 90 case 'R': {
rfinn 68:d38834307b17 91 //Red
stefanrousseau 16:17c5916f2d12 92 SetLedColor(1);
stefanrousseau 16:17c5916f2d12 93 break;
stefanrousseau 16:17c5916f2d12 94 }
rfinn 68:d38834307b17 95 case 'G': {
rfinn 68:d38834307b17 96 //Green
stefanrousseau 16:17c5916f2d12 97 SetLedColor(2);
stefanrousseau 16:17c5916f2d12 98 break;
stefanrousseau 16:17c5916f2d12 99 }
rfinn 68:d38834307b17 100 case 'Y': {
rfinn 68:d38834307b17 101 //Yellow
stefanrousseau 16:17c5916f2d12 102 SetLedColor(3);
stefanrousseau 16:17c5916f2d12 103 break;
stefanrousseau 16:17c5916f2d12 104 }
rfinn 68:d38834307b17 105 case 'B': {
rfinn 68:d38834307b17 106 //Blue
stefanrousseau 16:17c5916f2d12 107 SetLedColor(4);
stefanrousseau 16:17c5916f2d12 108 break;
stefanrousseau 16:17c5916f2d12 109 }
rfinn 68:d38834307b17 110 case 'M': {
rfinn 68:d38834307b17 111 //Magenta
stefanrousseau 16:17c5916f2d12 112 SetLedColor(5);
stefanrousseau 16:17c5916f2d12 113 break;
stefanrousseau 16:17c5916f2d12 114 }
rfinn 68:d38834307b17 115 case 'T': {
rfinn 68:d38834307b17 116 //Turquoise
stefanrousseau 16:17c5916f2d12 117 SetLedColor(6);
stefanrousseau 16:17c5916f2d12 118 break;
stefanrousseau 16:17c5916f2d12 119 }
rfinn 68:d38834307b17 120 case 'W': {
rfinn 68:d38834307b17 121 //White
stefanrousseau 16:17c5916f2d12 122 SetLedColor(7);
stefanrousseau 16:17c5916f2d12 123 break;
stefanrousseau 16:17c5916f2d12 124 }
rfinn 68:d38834307b17 125 default: {
stefanrousseau 16:17c5916f2d12 126 break;
stefanrousseau 16:17c5916f2d12 127 }
stefanrousseau 16:17c5916f2d12 128 } //switch(cLedColor)
stefanrousseau 16:17c5916f2d12 129 return true;
rfinn 68:d38834307b17 130 } else {
stefanrousseau 16:17c5916f2d12 131 return false;
stefanrousseau 16:17c5916f2d12 132 }
stefanrousseau 16:17c5916f2d12 133 } //parse_JSON
stefanrousseau 16:17c5916f2d12 134
rfinn 68:d38834307b17 135 void send_button_data(char btn1, char btn2)
rfinn 68:d38834307b17 136 {
rfinn 68:d38834307b17 137 char modem_string[512];
rfinn 68:d38834307b17 138 GenerateModemString(&modem_string[0], btn1, btn2);
rfinn 68:d38834307b17 139 char myJsonResponse[512];
rfinn 68:d38834307b17 140 if (cell_modem_Sendreceive(&modem_string[0], &myJsonResponse[0])) {
rfinn 68:d38834307b17 141 if (true) {
rfinn 68:d38834307b17 142 //ledOnce = 1;
rfinn 68:d38834307b17 143 SetLedColor(0x2); //Green
rfinn 68:d38834307b17 144 }
rfinn 68:d38834307b17 145 parse_JSON(&myJsonResponse[0]);
rfinn 68:d38834307b17 146 }
rfinn 68:d38834307b17 147 }
rfinn 68:d38834307b17 148
rfinn 68:d38834307b17 149 int main()
rfinn 68:d38834307b17 150 {
rfinn 68:d38834307b17 151 //static unsigned ledOnce = 0;
fkellermavnet 20:27a4f27254d0 152
stefanrousseau 61:f6b93129f954 153 pc.baud(115200);
rfinn 68:d38834307b17 154 PRINTF(GRN "Hello World from the Cellular IoT Kit!\r\n");
rfinn 68:d38834307b17 155 PRINTF(GRN "Cellular IoT Buttons!\r\n\r\n");
JMF 0:9d5134074d84 156
rfinn 68:d38834307b17 157 // SW have a pull-up resistor, so the pin will be at 3.3 V by default
rfinn 68:d38834307b17 158 // and fall to 0 V when pressed. We therefore need to look for a falling edge
rfinn 68:d38834307b17 159 // on the pin to fire the interrupt
rfinn 68:d38834307b17 160 sw3.fall(&sw3_isr_down);
rfinn 68:d38834307b17 161 sw3.rise(&sw3_isr_up);
rfinn 68:d38834307b17 162 sw2.fall(&sw2_isr_down);
rfinn 68:d38834307b17 163 sw2.rise(&sw2_isr_up);
rfinn 68:d38834307b17 164 // since SW have an external pull-up, we should disable to internal pull-down
rfinn 68:d38834307b17 165 // resistor that is enabled by default using InterruptIn
rfinn 68:d38834307b17 166 sw3.mode(PullNone);
rfinn 68:d38834307b17 167 sw2.mode(PullNone);
stefanrousseau 11:e6602513730f 168
stefanrousseau 61:f6b93129f954 169 // Set LED to RED until init finishes
stefanrousseau 61:f6b93129f954 170 SetLedColor(0x1); //Red
JMF 0:9d5134074d84 171 // Initialize the modem
stefanrousseau 64:09004cd610df 172 PRINTF("\r\n");
stefanrousseau 61:f6b93129f954 173 cell_modem_init();
stefanrousseau 61:f6b93129f954 174 // Set LED BLUE for partial init
stefanrousseau 61:f6b93129f954 175 SetLedColor(0x4); //Blue
JMF 0:9d5134074d84 176
JMF 2:0e2ef866af95 177 // Send and receive data perpetually
JMF 2:0e2ef866af95 178 while(1) {
rfinn 68:d38834307b17 179 if (g_sw3_flag) {
rfinn 68:d38834307b17 180 printf("%s\n","SW3 Button");
rfinn 68:d38834307b17 181 led_green = 0;
rfinn 68:d38834307b17 182 send_button_data('0','1');
rfinn 68:d38834307b17 183 } else {
rfinn 68:d38834307b17 184 led_green = 1;
rfinn 68:d38834307b17 185 }
rfinn 68:d38834307b17 186
rfinn 68:d38834307b17 187 if (g_sw2_flag) {
rfinn 68:d38834307b17 188 printf("%s\n","SW2 Button");
rfinn 68:d38834307b17 189 led_blue = 0;
rfinn 68:d38834307b17 190 send_button_data('1','0');
rfinn 68:d38834307b17 191 } else {
rfinn 68:d38834307b17 192 led_blue = 1;
rfinn 68:d38834307b17 193 }
rfinn 68:d38834307b17 194
rfinn 68:d38834307b17 195 // put the MCU to sleep until an interrupt wakes it up
rfinn 68:d38834307b17 196 sleep();
stefanrousseau 3:26b3cc155f39 197 } //forever loop
JMF 0:9d5134074d84 198 }