Rick McConney / Mbed 2 deprecated AvnetATT_shape_hackathon

This program simply connects to a HTS221 I2C device to proximity sensor

Dependencies:   FXOS8700CQ mbed

main.cpp@15:61df4a452d38, 2016-07-13 (annotated)

Committer:
stefanrousseau
Date:
Wed Jul 13 05:55:06 2016 +0000
Revision:
15:61df4a452d38
Parent:
12:7c94ec5069dc 
Added JSON parsing and displaying the LED color

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:9d5134074d84 1 #include "mbed.h"
JMF 0:9d5134074d84 2 #include <cctype>
JMF 0:9d5134074d84 3 #include <string>
JMF 0:9d5134074d84 4 #include "SerialBuffered.h"
JMF 0:9d5134074d84 5 #include "HTS221.h"
JMF 2:0e2ef866af95 6 #include "config_me.h"
JMF 2:0e2ef866af95 7 #include "wnc_control.h"
stefanrousseau 4:f83bedd9cab4 8 #include "sensors.h"
JMF 0:9d5134074d84 9
stefanrousseau 11:e6602513730f 10 #include "hardware.h"
stefanrousseau 11:e6602513730f 11 I2C i2c(PTC11, PTC10); //SDA, SCL -- define the I2C pins being used
stefanrousseau 11:e6602513730f 12
JMF 0:9d5134074d84 13 // comment out the following line if color is not supported on the terminal
JMF 0:9d5134074d84 14 #define USE_COLOR
JMF 0:9d5134074d84 15 #ifdef USE_COLOR
JMF 0:9d5134074d84 16 #define BLK "\033[30m"
JMF 0:9d5134074d84 17 #define RED "\033[31m"
JMF 0:9d5134074d84 18 #define GRN "\033[32m"
JMF 0:9d5134074d84 19 #define YEL "\033[33m"
JMF 0:9d5134074d84 20 #define BLU "\033[34m"
JMF 0:9d5134074d84 21 #define MAG "\033[35m"
JMF 0:9d5134074d84 22 #define CYN "\033[36m"
JMF 0:9d5134074d84 23 #define WHT "\033[37m"
JMF 0:9d5134074d84 24 #define DEF "\033[39m"
JMF 0:9d5134074d84 25 #else
JMF 0:9d5134074d84 26 #define BLK
JMF 0:9d5134074d84 27 #define RED
JMF 0:9d5134074d84 28 #define GRN
JMF 0:9d5134074d84 29 #define YEL
JMF 0:9d5134074d84 30 #define BLU
JMF 0:9d5134074d84 31 #define MAG
JMF 0:9d5134074d84 32 #define CYN
JMF 0:9d5134074d84 33 #define WHT
JMF 0:9d5134074d84 34 #define DEF
JMF 0:9d5134074d84 35 #endif
JMF 0:9d5134074d84 36
JMF 0:9d5134074d84 37 #define MDM_DBG_OFF 0
JMF 0:9d5134074d84 38 #define MDM_DBG_AT_CMDS (1 << 0)
JMF 0:9d5134074d84 39 int mdm_dbgmask = MDM_DBG_OFF;
JMF 0:9d5134074d84 40
JMF 0:9d5134074d84 41 Serial pc(USBTX, USBRX);
JMF 0:9d5134074d84 42 SerialBuffered mdm(PTD3, PTD2, 128);
stefanrousseau 15:61df4a452d38 43 DigitalOut led_green(LED_GREEN);
stefanrousseau 15:61df4a452d38 44 DigitalOut led_red(LED_RED);
stefanrousseau 15:61df4a452d38 45 DigitalOut led_blue(LED_BLUE);
JMF 0:9d5134074d84 46
JMF 0:9d5134074d84 47 DigitalOut mdm_uart2_rx_boot_mode_sel(PTC17); // on powerup, 0 = boot mode, 1 = normal boot
JMF 0:9d5134074d84 48 DigitalOut mdm_power_on(PTB9); // 0 = turn modem on, 1 = turn modem off (should be held high for >5 seconds to cycle modem)
JMF 0:9d5134074d84 49 DigitalOut mdm_wakeup_in(PTC2); // 0 = let modem sleep, 1 = keep modem awake -- Note: pulled high on shield
JMF 0:9d5134074d84 50
JMF 0:9d5134074d84 51 DigitalOut shield_3v3_1v8_sig_trans_ena(PTC4); // 0 = disabled (all signals high impedence, 1 = translation active
JMF 0:9d5134074d84 52 DigitalOut mdm_uart1_cts(PTD0);
JMF 0:9d5134074d84 53
JMF 0:9d5134074d84 54 #define TOUPPER(a) (a) //toupper(a)
JMF 0:9d5134074d84 55
JMF 0:9d5134074d84 56 const char ok_str[] = "OK";
JMF 0:9d5134074d84 57 const char error_str[] = "ERROR";
JMF 0:9d5134074d84 58
JMF 0:9d5134074d84 59 #define MDM_OK 0
JMF 0:9d5134074d84 60 #define MDM_ERR_TIMEOUT -1
JMF 0:9d5134074d84 61
JMF 0:9d5134074d84 62 #define MAX_AT_RSP_LEN 255
JMF 0:9d5134074d84 63
JMF 0:9d5134074d84 64 ssize_t mdm_getline(char *buff, size_t size, int timeout_ms) {
JMF 0:9d5134074d84 65 int cin = -1;
JMF 0:9d5134074d84 66 int cin_last;
JMF 0:9d5134074d84 67
JMF 0:9d5134074d84 68 if (NULL == buff || size == 0) {
JMF 0:9d5134074d84 69 return -1;
JMF 0:9d5134074d84 70 }
JMF 0:9d5134074d84 71
JMF 0:9d5134074d84 72 size_t len = 0;
JMF 0:9d5134074d84 73 Timer timer;
JMF 0:9d5134074d84 74 timer.start();
JMF 0:9d5134074d84 75 while ((len < (size-1)) && (timer.read_ms() < timeout_ms)) {
JMF 0:9d5134074d84 76 if (mdm.readable()) {
JMF 0:9d5134074d84 77 cin_last = cin;
JMF 0:9d5134074d84 78 cin = mdm.getc();
JMF 0:9d5134074d84 79 if (isprint(cin)) {
JMF 0:9d5134074d84 80 buff[len++] = (char)cin;
JMF 0:9d5134074d84 81 continue;
JMF 0:9d5134074d84 82 } else if (('\r' == cin_last) && ('\n' == cin)) {
JMF 0:9d5134074d84 83 break;
JMF 0:9d5134074d84 84 }
JMF 0:9d5134074d84 85 }
JMF 0:9d5134074d84 86 wait_ms(1);
JMF 0:9d5134074d84 87 }
JMF 2:0e2ef866af95 88 buff[len] = (char)NULL;
JMF 0:9d5134074d84 89
JMF 0:9d5134074d84 90 return len;
JMF 0:9d5134074d84 91 }
JMF 0:9d5134074d84 92
JMF 0:9d5134074d84 93 int mdm_sendAtCmd(const char *cmd, const char **rsp_list, int timeout_ms) {
JMF 0:9d5134074d84 94 if (cmd && strlen(cmd) > 0) {
JMF 0:9d5134074d84 95 if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
JMF 0:9d5134074d84 96 printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd);
JMF 0:9d5134074d84 97 }
JMF 0:9d5134074d84 98 mdm.printf("%s\r\n", cmd);
JMF 0:9d5134074d84 99 }
JMF 0:9d5134074d84 100
JMF 0:9d5134074d84 101 if (rsp_list) {
JMF 0:9d5134074d84 102 Timer timer;
JMF 0:9d5134074d84 103 char rsp[MAX_AT_RSP_LEN+1];
JMF 0:9d5134074d84 104 int len;
JMF 0:9d5134074d84 105
JMF 0:9d5134074d84 106 timer.start();
JMF 0:9d5134074d84 107 while (timer.read_ms() < timeout_ms) {
JMF 0:9d5134074d84 108 len = mdm_getline(rsp, sizeof(rsp), timeout_ms - timer.read_ms());
JMF 0:9d5134074d84 109
JMF 0:9d5134074d84 110 if (len < 0)
JMF 0:9d5134074d84 111 return MDM_ERR_TIMEOUT;
JMF 0:9d5134074d84 112
JMF 0:9d5134074d84 113 if (len == 0)
JMF 0:9d5134074d84 114 continue;
JMF 0:9d5134074d84 115
JMF 0:9d5134074d84 116 if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
JMF 0:9d5134074d84 117 printf(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", rsp);
JMF 0:9d5134074d84 118 }
JMF 0:9d5134074d84 119
JMF 0:9d5134074d84 120 if (rsp_list) {
JMF 0:9d5134074d84 121 int rsp_idx = 0;
JMF 0:9d5134074d84 122 while (rsp_list[rsp_idx]) {
JMF 0:9d5134074d84 123 if (strcasecmp(rsp, rsp_list[rsp_idx]) == 0) {
JMF 0:9d5134074d84 124 return rsp_idx;
JMF 0:9d5134074d84 125 }
JMF 0:9d5134074d84 126 rsp_idx++;
JMF 0:9d5134074d84 127 }
JMF 0:9d5134074d84 128 }
JMF 0:9d5134074d84 129 }
JMF 0:9d5134074d84 130 return MDM_ERR_TIMEOUT;
JMF 0:9d5134074d84 131 }
JMF 0:9d5134074d84 132 return MDM_OK;
JMF 0:9d5134074d84 133 }
JMF 0:9d5134074d84 134
JMF 0:9d5134074d84 135 int mdm_init(void) {
JMF 0:9d5134074d84 136 // disable signal level translator
JMF 0:9d5134074d84 137 shield_3v3_1v8_sig_trans_ena = 0;
JMF 0:9d5134074d84 138
JMF 0:9d5134074d84 139 // power modem on //off
JMF 0:9d5134074d84 140 mdm_power_on = 0; //1;
JMF 0:9d5134074d84 141
JMF 0:9d5134074d84 142 // insure modem boots into normal operating mode
JMF 0:9d5134074d84 143 // and does not go to sleep when powered on
JMF 0:9d5134074d84 144 mdm_uart2_rx_boot_mode_sel = 1;
JMF 0:9d5134074d84 145 mdm_wakeup_in = 1;
JMF 0:9d5134074d84 146
JMF 0:9d5134074d84 147 // initialze comm with the modem
JMF 0:9d5134074d84 148 mdm.baud(115200);
JMF 2:0e2ef866af95 149 // clear out potential garbage
JMF 2:0e2ef866af95 150 while (mdm.readable())
JMF 2:0e2ef866af95 151 mdm.getc();
JMF 2:0e2ef866af95 152
JMF 0:9d5134074d84 153 mdm_uart1_cts = 0;
JMF 0:9d5134074d84 154
JMF 0:9d5134074d84 155 // enable the signal level translator to start
JMF 0:9d5134074d84 156 // modem reset process (modem will be powered down)
JMF 0:9d5134074d84 157 shield_3v3_1v8_sig_trans_ena = 1;
JMF 0:9d5134074d84 158
JMF 0:9d5134074d84 159 // Give the modem 60 secons to start responding by
JMF 0:9d5134074d84 160 // sending simple 'AT' commands to modem once per second.
JMF 0:9d5134074d84 161 Timer timer;
JMF 0:9d5134074d84 162 timer.start();
JMF 0:9d5134074d84 163 while (timer.read() < 60) {
JMF 0:9d5134074d84 164 const char * rsp_lst[] = { ok_str, error_str, NULL };
JMF 0:9d5134074d84 165 int rc = mdm_sendAtCmd("AT", rsp_lst, 500);
JMF 0:9d5134074d84 166 if (rc == 0)
JMF 0:9d5134074d84 167 return timer.read();
JMF 0:9d5134074d84 168 wait_ms(1000 - (timer.read_ms() % 1000));
JMF 0:9d5134074d84 169 pc.printf("\r%d",timer.read_ms()/1000);
JMF 0:9d5134074d84 170 }
JMF 0:9d5134074d84 171 return false;
JMF 0:9d5134074d84 172 }
JMF 0:9d5134074d84 173
JMF 2:0e2ef866af95 174 int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len) {
JMF 2:0e2ef866af95 175 static char cmd_buf[3200]; // Need enough room for the WNC sockreads (over 3000 chars)
fkellermavnet 6:713b4cbf1a7d 176 size_t n = strlen(cmd);
fkellermavnet 6:713b4cbf1a7d 177 if (cmd && n > 0) {
JMF 2:0e2ef866af95 178 if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
JMF 2:0e2ef866af95 179 printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd);
JMF 2:0e2ef866af95 180 }
fkellermavnet 6:713b4cbf1a7d 181 while (n--) {
fkellermavnet 6:713b4cbf1a7d 182 mdm.putc(*cmd++);
fkellermavnet 6:713b4cbf1a7d 183 wait_ms(1);
fkellermavnet 6:713b4cbf1a7d 184 };
fkellermavnet 6:713b4cbf1a7d 185 mdm.putc('\r');
fkellermavnet 6:713b4cbf1a7d 186 wait_ms(1);
fkellermavnet 6:713b4cbf1a7d 187 mdm.putc('\n');
fkellermavnet 6:713b4cbf1a7d 188 wait_ms(1);
JMF 2:0e2ef866af95 189 }
JMF 2:0e2ef866af95 190
JMF 2:0e2ef866af95 191 if (rsp_list) {
JMF 2:0e2ef866af95 192 rsp->erase(); // Clean up from prior cmd response
JMF 2:0e2ef866af95 193 *len = 0;
JMF 2:0e2ef866af95 194 Timer timer;
JMF 2:0e2ef866af95 195 timer.start();
JMF 2:0e2ef866af95 196 while (timer.read_ms() < timeout_ms) {
JMF 2:0e2ef866af95 197 int lenCmd = mdm_getline(cmd_buf, sizeof(cmd_buf), timeout_ms - timer.read_ms());
JMF 2:0e2ef866af95 198
JMF 2:0e2ef866af95 199 if (lenCmd == 0)
JMF 2:0e2ef866af95 200 continue;
JMF 2:0e2ef866af95 201
JMF 2:0e2ef866af95 202 if (lenCmd < 0)
JMF 2:0e2ef866af95 203 return MDM_ERR_TIMEOUT;
JMF 2:0e2ef866af95 204 else {
JMF 2:0e2ef866af95 205 *len += lenCmd;
JMF 2:0e2ef866af95 206 *rsp += cmd_buf;
JMF 2:0e2ef866af95 207 }
JMF 2:0e2ef866af95 208
JMF 2:0e2ef866af95 209 if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
JMF 2:0e2ef866af95 210 printf(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", cmd_buf);
JMF 2:0e2ef866af95 211 }
JMF 2:0e2ef866af95 212
JMF 2:0e2ef866af95 213 int rsp_idx = 0;
JMF 2:0e2ef866af95 214 while (rsp_list[rsp_idx]) {
JMF 2:0e2ef866af95 215 if (strcasecmp(cmd_buf, rsp_list[rsp_idx]) == 0) {
JMF 2:0e2ef866af95 216 return rsp_idx;
JMF 2:0e2ef866af95 217 }
JMF 2:0e2ef866af95 218 rsp_idx++;
JMF 2:0e2ef866af95 219 }
JMF 2:0e2ef866af95 220 }
JMF 2:0e2ef866af95 221 return MDM_ERR_TIMEOUT;
JMF 2:0e2ef866af95 222 }
JMF 2:0e2ef866af95 223 pc.printf("D %s",rsp);
JMF 2:0e2ef866af95 224 return MDM_OK;
JMF 2:0e2ef866af95 225 }
JMF 2:0e2ef866af95 226
JMF 2:0e2ef866af95 227 void reinitialize_mdm(void)
JMF 2:0e2ef866af95 228 {
JMF 2:0e2ef866af95 229 // Initialize the modem
JMF 2:0e2ef866af95 230 printf(GRN "Modem RE-initializing..." DEF "\r\n");
JMF 2:0e2ef866af95 231 if (!mdm_init()) {
JMF 2:0e2ef866af95 232 printf(RED "\n\rModem RE-initialization failed!" DEF "\n");
JMF 2:0e2ef866af95 233 }
JMF 2:0e2ef866af95 234 printf("\r\n");
JMF 2:0e2ef866af95 235 }
JMF 2:0e2ef866af95 236 // These are built on the fly
JMF 2:0e2ef866af95 237 string MyServerIpAddress;
JMF 2:0e2ef866af95 238 string MySocketData;
JMF 2:0e2ef866af95 239
JMF 2:0e2ef866af95 240 // These are to be built on the fly
JMF 2:0e2ef866af95 241 string my_temp;
JMF 2:0e2ef866af95 242 string my_humidity;
JMF 2:0e2ef866af95 243
JMF 0:9d5134074d84 244 #define CTOF(x) ((x)*1.8+32)
JMF 0:9d5134074d84 245
stefanrousseau 3:26b3cc155f39 246 //********************************************************************************************************************************************
stefanrousseau 12:7c94ec5069dc 247 //* Create string with sensor readings that can be sent to flow as an HTTP get
stefanrousseau 3:26b3cc155f39 248 //********************************************************************************************************************************************
stefanrousseau 12:7c94ec5069dc 249 K64F_Sensors_t SENSOR_DATA =
stefanrousseau 3:26b3cc155f39 250 {
stefanrousseau 12:7c94ec5069dc 251 .Temperature = "0",
stefanrousseau 12:7c94ec5069dc 252 .Humidity = "0",
stefanrousseau 12:7c94ec5069dc 253 .AccelX = "0",
stefanrousseau 12:7c94ec5069dc 254 .AccelY = "0",
stefanrousseau 12:7c94ec5069dc 255 .AccelZ = "0",
stefanrousseau 12:7c94ec5069dc 256 .MagnetometerX = "0",
stefanrousseau 12:7c94ec5069dc 257 .MagnetometerY = "0",
stefanrousseau 12:7c94ec5069dc 258 .MagnetometerZ = "0",
stefanrousseau 12:7c94ec5069dc 259 .AmbientLightVis = "0",
stefanrousseau 12:7c94ec5069dc 260 .AmbientLightIr = "0",
stefanrousseau 12:7c94ec5069dc 261 .UVindex = "0",
stefanrousseau 12:7c94ec5069dc 262 .Proximity = "0",
stefanrousseau 12:7c94ec5069dc 263 .Temperature_Si7020 = "0",
stefanrousseau 12:7c94ec5069dc 264 .Humidity_Si7020 = "0"
stefanrousseau 3:26b3cc155f39 265 };
stefanrousseau 12:7c94ec5069dc 266
stefanrousseau 3:26b3cc155f39 267 void GenerateModemString(char * modem_string)
stefanrousseau 3:26b3cc155f39 268 {
stefanrousseau 12:7c94ec5069dc 269 switch(iSensorsToReport)
stefanrousseau 12:7c94ec5069dc 270 {
stefanrousseau 12:7c94ec5069dc 271 case TEMP_HUMIDITY_ONLY:
stefanrousseau 12:7c94ec5069dc 272 {
stefanrousseau 12:7c94ec5069dc 273 sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, FLOW_URL_TYPE, MY_SERVER_URL);
stefanrousseau 12:7c94ec5069dc 274 break;
stefanrousseau 12:7c94ec5069dc 275 }
stefanrousseau 12:7c94ec5069dc 276 case TEMP_HUMIDITY_ACCELEROMETER:
stefanrousseau 12:7c94ec5069dc 277 {
stefanrousseau 12:7c94ec5069dc 278 sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, FLOW_URL_TYPE, MY_SERVER_URL);
stefanrousseau 12:7c94ec5069dc 279 break;
stefanrousseau 12:7c94ec5069dc 280 }
stefanrousseau 12:7c94ec5069dc 281 case TEMP_HUMIDITY_ACCELEROMETER_PMODSENSORS:
stefanrousseau 12:7c94ec5069dc 282 {
stefanrousseau 12:7c94ec5069dc 283 sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s&proximity=%s&light_uv=%s&light_vis=%s&light_ir=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, SENSOR_DATA.Proximity, SENSOR_DATA.UVindex, SENSOR_DATA.AmbientLightVis, SENSOR_DATA.AmbientLightIr, FLOW_URL_TYPE, MY_SERVER_URL);
stefanrousseau 12:7c94ec5069dc 284 break;
stefanrousseau 12:7c94ec5069dc 285 }
stefanrousseau 12:7c94ec5069dc 286 default:
stefanrousseau 12:7c94ec5069dc 287 {
stefanrousseau 12:7c94ec5069dc 288 sprintf(modem_string, "Invalid sensor selected\r\n\r\n");
stefanrousseau 12:7c94ec5069dc 289 break;
stefanrousseau 12:7c94ec5069dc 290 }
stefanrousseau 15:61df4a452d38 291 } //switch(iSensorsToReport)
stefanrousseau 3:26b3cc155f39 292 } //GenerateModemString
stefanrousseau 3:26b3cc155f39 293
stefanrousseau 3:26b3cc155f39 294
stefanrousseau 3:26b3cc155f39 295 //Periodic timer
stefanrousseau 3:26b3cc155f39 296 Ticker OneMsTicker;
stefanrousseau 3:26b3cc155f39 297 volatile bool bTimerExpiredFlag = false;
stefanrousseau 3:26b3cc155f39 298 int OneMsTicks = 0;
stefanrousseau 3:26b3cc155f39 299 int iTimer1Interval_ms = 1000;
stefanrousseau 3:26b3cc155f39 300 //********************************************************************************************************************************************
stefanrousseau 3:26b3cc155f39 301 //* Periodic 1ms timer tick
stefanrousseau 3:26b3cc155f39 302 //********************************************************************************************************************************************
stefanrousseau 3:26b3cc155f39 303 void OneMsFunction()
stefanrousseau 3:26b3cc155f39 304 {
stefanrousseau 3:26b3cc155f39 305 OneMsTicks++;
stefanrousseau 3:26b3cc155f39 306 if ((OneMsTicks % iTimer1Interval_ms) == 0)
stefanrousseau 3:26b3cc155f39 307 {
stefanrousseau 3:26b3cc155f39 308 bTimerExpiredFlag = true;
stefanrousseau 3:26b3cc155f39 309 }
stefanrousseau 3:26b3cc155f39 310 } //OneMsFunction()
stefanrousseau 3:26b3cc155f39 311
stefanrousseau 15:61df4a452d38 312 //********************************************************************************************************************************************
stefanrousseau 15:61df4a452d38 313 //* Set the RGB LED's Color
stefanrousseau 15:61df4a452d38 314 //* LED Color 0=Off to 7=White. 3 bits represent BGR (bit0=Red, bit1=Green, bit2=Blue)
stefanrousseau 15:61df4a452d38 315 //********************************************************************************************************************************************
stefanrousseau 15:61df4a452d38 316 void SetLedColor(unsigned char ucColor)
stefanrousseau 15:61df4a452d38 317 {
stefanrousseau 15:61df4a452d38 318 //Note that when an LED is on, you write a 0 to it:
stefanrousseau 15:61df4a452d38 319 led_red = !(ucColor & 0x1); //bit 0
stefanrousseau 15:61df4a452d38 320 led_green = !(ucColor & 0x2); //bit 1
stefanrousseau 15:61df4a452d38 321 led_blue = !(ucColor & 0x4); //bit 2
stefanrousseau 15:61df4a452d38 322 } //SetLedColor()
stefanrousseau 15:61df4a452d38 323
stefanrousseau 15:61df4a452d38 324 //********************************************************************************************************************************************
stefanrousseau 15:61df4a452d38 325 //* Process JSON response messages
stefanrousseau 15:61df4a452d38 326 //********************************************************************************************************************************************
stefanrousseau 15:61df4a452d38 327 bool extract_JSON(char* search_field, char* found_string)
stefanrousseau 15:61df4a452d38 328 {
stefanrousseau 15:61df4a452d38 329 char* beginquote;
stefanrousseau 15:61df4a452d38 330 char* endquote;
stefanrousseau 15:61df4a452d38 331 beginquote = strchr(search_field, '{'); //start of JSON
stefanrousseau 15:61df4a452d38 332 endquote = strchr(search_field, '}'); //end of JSON
stefanrousseau 15:61df4a452d38 333 if (beginquote != 0)
stefanrousseau 15:61df4a452d38 334 {
stefanrousseau 15:61df4a452d38 335 uint16_t ifoundlen;
stefanrousseau 15:61df4a452d38 336 if (endquote != 0)
stefanrousseau 15:61df4a452d38 337 {
stefanrousseau 15:61df4a452d38 338 ifoundlen = (uint16_t) (endquote - beginquote) + 1;
stefanrousseau 15:61df4a452d38 339 strncpy(found_string, beginquote, ifoundlen );
stefanrousseau 15:61df4a452d38 340 found_string[ifoundlen] = 0; //null terminate
stefanrousseau 15:61df4a452d38 341 return true;
stefanrousseau 15:61df4a452d38 342 }
stefanrousseau 15:61df4a452d38 343 else
stefanrousseau 15:61df4a452d38 344 {
stefanrousseau 15:61df4a452d38 345 endquote = strchr(search_field, '\0'); //end of string... sometimes the end bracket is missing
stefanrousseau 15:61df4a452d38 346 ifoundlen = (uint16_t) (endquote - beginquote) + 1;
stefanrousseau 15:61df4a452d38 347 strncpy(found_string, beginquote, ifoundlen );
stefanrousseau 15:61df4a452d38 348 found_string[ifoundlen] = 0; //null terminate
stefanrousseau 15:61df4a452d38 349 return false;
stefanrousseau 15:61df4a452d38 350 }
stefanrousseau 15:61df4a452d38 351 }
stefanrousseau 15:61df4a452d38 352 else
stefanrousseau 15:61df4a452d38 353 {
stefanrousseau 15:61df4a452d38 354 return false;
stefanrousseau 15:61df4a452d38 355 }
stefanrousseau 15:61df4a452d38 356 } //extract_JSON
stefanrousseau 15:61df4a452d38 357
stefanrousseau 15:61df4a452d38 358 bool parse_JSON(char* json_string)
stefanrousseau 15:61df4a452d38 359 {
stefanrousseau 15:61df4a452d38 360 char* beginquote;
stefanrousseau 15:61df4a452d38 361 char token[] = "\"LED\":\"";
stefanrousseau 15:61df4a452d38 362 beginquote = strstr(json_string, token );
stefanrousseau 15:61df4a452d38 363 if ((beginquote != 0))
stefanrousseau 15:61df4a452d38 364 {
stefanrousseau 15:61df4a452d38 365 char cLedColor = beginquote[strlen(token)];
stefanrousseau 15:61df4a452d38 366 printf(GRN "LED Found : %c" DEF "\r\n", cLedColor);
stefanrousseau 15:61df4a452d38 367 switch(cLedColor)
stefanrousseau 15:61df4a452d38 368 {
stefanrousseau 15:61df4a452d38 369 case 'O':
stefanrousseau 15:61df4a452d38 370 { //Off
stefanrousseau 15:61df4a452d38 371 SetLedColor(0);
stefanrousseau 15:61df4a452d38 372 break;
stefanrousseau 15:61df4a452d38 373 }
stefanrousseau 15:61df4a452d38 374 case 'R':
stefanrousseau 15:61df4a452d38 375 { //Red
stefanrousseau 15:61df4a452d38 376 SetLedColor(1);
stefanrousseau 15:61df4a452d38 377 break;
stefanrousseau 15:61df4a452d38 378 }
stefanrousseau 15:61df4a452d38 379 case 'G':
stefanrousseau 15:61df4a452d38 380 { //Green
stefanrousseau 15:61df4a452d38 381 SetLedColor(2);
stefanrousseau 15:61df4a452d38 382 break;
stefanrousseau 15:61df4a452d38 383 }
stefanrousseau 15:61df4a452d38 384 case 'Y':
stefanrousseau 15:61df4a452d38 385 { //Yellow
stefanrousseau 15:61df4a452d38 386 SetLedColor(3);
stefanrousseau 15:61df4a452d38 387 break;
stefanrousseau 15:61df4a452d38 388 }
stefanrousseau 15:61df4a452d38 389 case 'B':
stefanrousseau 15:61df4a452d38 390 { //Blue
stefanrousseau 15:61df4a452d38 391 SetLedColor(4);
stefanrousseau 15:61df4a452d38 392 break;
stefanrousseau 15:61df4a452d38 393 }
stefanrousseau 15:61df4a452d38 394 case 'M':
stefanrousseau 15:61df4a452d38 395 { //Magenta
stefanrousseau 15:61df4a452d38 396 SetLedColor(5);
stefanrousseau 15:61df4a452d38 397 break;
stefanrousseau 15:61df4a452d38 398 }
stefanrousseau 15:61df4a452d38 399 case 'T':
stefanrousseau 15:61df4a452d38 400 { //Turquoise
stefanrousseau 15:61df4a452d38 401 SetLedColor(6);
stefanrousseau 15:61df4a452d38 402 break;
stefanrousseau 15:61df4a452d38 403 }
stefanrousseau 15:61df4a452d38 404 case 'W':
stefanrousseau 15:61df4a452d38 405 { //White
stefanrousseau 15:61df4a452d38 406 SetLedColor(7);
stefanrousseau 15:61df4a452d38 407 break;
stefanrousseau 15:61df4a452d38 408 }
stefanrousseau 15:61df4a452d38 409 default:
stefanrousseau 15:61df4a452d38 410 {
stefanrousseau 15:61df4a452d38 411 break;
stefanrousseau 15:61df4a452d38 412 }
stefanrousseau 15:61df4a452d38 413 } //switch(cLedColor)
stefanrousseau 15:61df4a452d38 414 return true;
stefanrousseau 15:61df4a452d38 415 }
stefanrousseau 15:61df4a452d38 416 else
stefanrousseau 15:61df4a452d38 417 {
stefanrousseau 15:61df4a452d38 418 return false;
stefanrousseau 15:61df4a452d38 419 }
stefanrousseau 15:61df4a452d38 420 } //parse_JSON
stefanrousseau 15:61df4a452d38 421
JMF 0:9d5134074d84 422 int main() {
JMF 2:0e2ef866af95 423 int i;
JMF 0:9d5134074d84 424 HTS221 hts221;
JMF 0:9d5134074d84 425 pc.baud(115200);
JMF 0:9d5134074d84 426
JMF 0:9d5134074d84 427 void hts221_init(void);
JMF 0:9d5134074d84 428
JMF 1:af7a42f7d465 429 pc.printf(BLU "Hello World from AT&T Shape!\r\n\n\r");
JMF 0:9d5134074d84 430 pc.printf(GRN "Initialize the HTS221\n\r");
JMF 0:9d5134074d84 431
JMF 0:9d5134074d84 432 i = hts221.begin();
JMF 0:9d5134074d84 433 if( i )
JMF 0:9d5134074d84 434 pc.printf(BLU "HTS221 Detected! (0x%02X)\n\r",i);
JMF 0:9d5134074d84 435 else
JMF 0:9d5134074d84 436 pc.printf(RED "HTS221 NOT DETECTED!!\n\r");
JMF 0:9d5134074d84 437
JMF 0:9d5134074d84 438 printf("Temp is: %0.2f F \n\r",CTOF(hts221.readTemperature()));
JMF 0:9d5134074d84 439 printf("Humid is: %02d %%\n\r",hts221.readHumidity());
JMF 0:9d5134074d84 440
stefanrousseau 11:e6602513730f 441 sensors_init();
stefanrousseau 12:7c94ec5069dc 442 read_sensors();
stefanrousseau 11:e6602513730f 443
JMF 0:9d5134074d84 444 // Initialize the modem
JMF 0:9d5134074d84 445 printf(GRN "Modem initializing... will take up to 60 seconds" DEF "\r\n");
JMF 0:9d5134074d84 446 i=mdm_init();
JMF 0:9d5134074d84 447 if (!i) {
JMF 0:9d5134074d84 448 pc.printf(RED "Modem initialization failed!" DEF "\n");
JMF 0:9d5134074d84 449 while (1);
JMF 0:9d5134074d84 450 }
JMF 0:9d5134074d84 451
JMF 2:0e2ef866af95 452 //Software init
JMF 2:0e2ef866af95 453 software_init_mdm();
JMF 2:0e2ef866af95 454
JMF 2:0e2ef866af95 455 // Resolve URL to IP address to connect to
JMF 2:0e2ef866af95 456 resolve_mdm();
JMF 0:9d5134074d84 457
stefanrousseau 3:26b3cc155f39 458 //Create a 1ms timer tick function:
stefanrousseau 3:26b3cc155f39 459 OneMsTicker.attach(OneMsFunction, 0.001f) ;
stefanrousseau 3:26b3cc155f39 460 iTimer1Interval_ms = 5000; //5 seconds
stefanrousseau 3:26b3cc155f39 461
JMF 2:0e2ef866af95 462 // Send and receive data perpetually
JMF 2:0e2ef866af95 463 while(1) {
stefanrousseau 3:26b3cc155f39 464 if (bTimerExpiredFlag)
stefanrousseau 3:26b3cc155f39 465 {
stefanrousseau 3:26b3cc155f39 466 bTimerExpiredFlag = false;
stefanrousseau 3:26b3cc155f39 467 sprintf(SENSOR_DATA.Temperature, "%0.2f", CTOF(hts221.readTemperature()));
stefanrousseau 3:26b3cc155f39 468 sprintf(SENSOR_DATA.Humidity, "%02d", hts221.readHumidity());
stefanrousseau 4:f83bedd9cab4 469 read_sensors(); //read available external sensors from a PMOD and the on-board motion sensor
stefanrousseau 3:26b3cc155f39 470 sockopen_mdm();
stefanrousseau 3:26b3cc155f39 471 char modem_string[512];
stefanrousseau 3:26b3cc155f39 472 GenerateModemString(&modem_string[0]);
stefanrousseau 15:61df4a452d38 473 printf(BLU "Sending to modem : %s" DEF "\n", modem_string);
stefanrousseau 3:26b3cc155f39 474 sockwrite_mdm(modem_string);
stefanrousseau 3:26b3cc155f39 475 sockread_mdm(&MySocketData, 1024, 20);
stefanrousseau 15:61df4a452d38 476 printf(BLU "Read back : %s" DEF "\n", &MySocketData[0]);
stefanrousseau 15:61df4a452d38 477 char * myJsonResponse;
stefanrousseau 15:61df4a452d38 478 if (extract_JSON(&MySocketData[0], &myJsonResponse[0]))
stefanrousseau 15:61df4a452d38 479 {
stefanrousseau 15:61df4a452d38 480 printf(GRN "JSON : %s" DEF "\n", &myJsonResponse[0]);
stefanrousseau 15:61df4a452d38 481 parse_JSON(&myJsonResponse[0]);
stefanrousseau 15:61df4a452d38 482 }
stefanrousseau 15:61df4a452d38 483 else
stefanrousseau 15:61df4a452d38 484 {
stefanrousseau 15:61df4a452d38 485 printf(RED "JSON : %s" DEF "\n", &myJsonResponse[0]); //most likely an incomplete JSON string
stefanrousseau 15:61df4a452d38 486 parse_JSON(&myJsonResponse[0]); //This is risky, as the string may be corrupted
stefanrousseau 15:61df4a452d38 487 }
stefanrousseau 3:26b3cc155f39 488 sockclose_mdm();
stefanrousseau 3:26b3cc155f39 489 } //bTimerExpiredFlag
stefanrousseau 3:26b3cc155f39 490 } //forever loop
JMF 2:0e2ef866af95 491
stefanrousseau 12:7c94ec5069dc 492 #if (0)
JMF 2:0e2ef866af95 493 string * pStr;
JMF 2:0e2ef866af95 494 while (1)
JMF 2:0e2ef866af95 495 {
JMF 2:0e2ef866af95 496 send_wnc_cmd("AT", &pStr, WNC_TIMEOUT_MS);
JMF 0:9d5134074d84 497 }
stefanrousseau 12:7c94ec5069dc 498 #endif
JMF 0:9d5134074d84 499 }