Micah B
Version one of final code
Dependencies: ARCH_GPRS_V2_HW Blinker GPRSInterface HTTPClient_GPRS SDFileSystem USBDevice mbed
Revision 0:a2a4d0d432b3, committed 2015-04-16
- Comitter:
- mbotkinl
- Date:
- Thu Apr 16 19:46:40 2015 +0000
- Commit message:
- Code from Micah and Z
Changed in this revision
diff -r 000000000000 -r a2a4d0d432b3 ARCH_GPRS_V2_HW.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ARCH_GPRS_V2_HW.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/labishrestha/code/ARCH_GPRS_V2_HW/#d3d48514a2aa
diff -r 000000000000 -r a2a4d0d432b3 Blinker.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Blinker.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/TVZ-Mechatronics-Team/code/Blinker/#ea5bb72717cc
diff -r 000000000000 -r a2a4d0d432b3 DHT/DHT.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT/DHT.cpp Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,251 @@
+/*
+ * DHT Library for Digital-output Humidity and Temperature sensors
+ *
+ * Works with DHT11, DHT22
+ * SEN11301P, Grove - Temperature&Humidity Sensor (Seeed Studio)
+ * SEN51035P, Grove - Temperature&Humidity Sensor Pro (Seeed Studio)
+ * AM2302 , temperature-humidity sensor
+ * HM2303 , Digital-output humidity and temperature sensor
+ *
+ * Copyright (C) Wim De Roeve
+ * based on DHT22 sensor library by HO WING KIT
+ * Arduino DHT11 library
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documnetation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "DHT.h"
+#define DHT_DATA_BIT_COUNT 41
+DigitalOut myled1(LED2);
+
+
+DHT::DHT(PinName pin,int DHTtype) {
+ _pin = pin;
+ _DHTtype = DHTtype;
+ _firsttime=true;
+}
+
+DHT::~DHT() {
+}
+
+int DHT::readData() {
+ int i, j, retryCount,b;
+ unsigned int bitTimes[DHT_DATA_BIT_COUNT];
+
+
+ //myled1=0;
+ eError err = ERROR_NONE;
+ time_t currentTime = time(NULL);
+
+ DigitalInOut DHT_io(_pin);
+
+ for (i = 0; i < DHT_DATA_BIT_COUNT; i++) {
+ bitTimes[i] = 0;
+ }
+
+// if (!_firsttime) {
+// if (int(currentTime - _lastReadTime) < 2) {
+// err = ERROR_NO_PATIENCE;
+// return err;
+// }
+// } else {
+// _firsttime=false;
+// _lastReadTime=currentTime;
+// }
+ retryCount = 0;
+
+ do {
+ if (retryCount > 125) {
+ err = BUS_BUSY;
+ return err;
+ }
+ retryCount ++;
+ wait_us(2);
+ } while ((DHT_io==0));
+
+
+ DHT_io.output();
+ DHT_io = 0;
+
+
+
+// wait(.1);
+// DHT_io=1;
+// wait(.1);
+// DHT_io=0;
+// return 0;
+
+
+
+
+
+
+
+ wait_ms(18);
+ DHT_io = 1;
+ wait_us(40);
+ DHT_io.input();
+
+ retryCount = 0;
+ do {
+ if (retryCount > 40) {
+ err = ERROR_NOT_PRESENT;
+ return err;
+ }
+ retryCount++;
+ wait_us(1);
+ } while ((DHT_io==1));
+
+ if (err != ERROR_NONE) {
+ return err;
+ }
+
+ wait_us(80);
+
+ for (i = 0; i < 5; i++) {
+ for (j = 0; j < 8; j++) {
+
+ retryCount = 0;
+ do {
+ if (retryCount > 75) {
+ err = ERROR_DATA_TIMEOUT;
+ return err;
+ }
+ retryCount++;
+ wait_us(1);
+ } while (DHT_io == 0);
+ wait_us(40);
+ bitTimes[i*8+j]=DHT_io;
+
+ int count = 0;
+ while (DHT_io == 1 && count < 100) {
+ wait_us(1);
+ count++;
+ }
+ }
+ }
+ DHT_io.output();
+ DHT_io = 1;
+ for (i = 0; i < 5; i++) {
+ b=0;
+ for (j=0; j<8; j++) {
+ if (bitTimes[i*8+j+1] > 0) {
+ b |= ( 1 << (7-j));
+ }
+ }
+ DHT_data[i]=b;
+ }
+
+ //if (DHT_data[4] == ((DHT_data[0] + DHT_data[1] + DHT_data[2] + DHT_data[3]) & 0xFF)) {
+ _lastReadTime = currentTime;
+ _lastTemperature=CalcTemperature();
+ _lastHumidity=CalcHumidity();
+
+ //} else {
+ // err = ERROR_CHECKSUM;
+ //}
+
+ return err;
+
+}
+
+float DHT::CalcTemperature() {
+ int v;
+
+ switch (_DHTtype) {
+ case DHT11:
+ v = DHT_data[2];
+ return float(v);
+ case DHT22:
+ v = DHT_data[2] & 0x7F;
+ v *= 256;
+ v += DHT_data[3];
+ v /= 10;
+ if (DHT_data[2] & 0x80)
+ v *= -1;
+ return float(v);
+ }
+ return 0;
+}
+
+float DHT::ReadHumidity() {
+ return _lastHumidity;
+}
+
+float DHT::ConvertCelciustoFarenheit(float celsius) {
+ return celsius * 9 / 5 + 32;
+}
+
+float DHT::ConvertCelciustoKelvin(float celsius) {
+ return celsius + 273.15;
+}
+
+// dewPoint function NOAA
+// reference: http://wahiduddin.net/calc/density_algorithms.htm
+float DHT::CalcdewPoint(float celsius, float humidity) {
+ float A0= 373.15/(273.15 + celsius);
+ float SUM = -7.90298 * (A0-1);
+ SUM += 5.02808 * log10(A0);
+ SUM += -1.3816e-7 * (pow(10, (11.344*(1-1/A0)))-1) ;
+ SUM += 8.1328e-3 * (pow(10,(-3.49149*(A0-1)))-1) ;
+ SUM += log10(1013.246);
+ float VP = pow(10, SUM-3) * humidity;
+ float T = log(VP/0.61078); // temp var
+ return (241.88 * T) / (17.558-T);
+}
+
+// delta max = 0.6544 wrt dewPoint()
+// 5x faster than dewPoint()
+// reference: http://en.wikipedia.org/wiki/Dew_point
+float DHT::CalcdewPointFast(float celsius, float humidity)
+{
+ float a = 17.271;
+ float b = 237.7;
+ float temp = (a * celsius) / (b + celsius) + log(humidity/100);
+ float Td = (b * temp) / (a - temp);
+ return Td;
+}
+
+float DHT::ReadTemperature(eScale Scale) {
+ if (Scale == FARENHEIT)
+ return ConvertCelciustoFarenheit(_lastTemperature);
+ else if (Scale == KELVIN)
+ return ConvertCelciustoKelvin(_lastTemperature);
+ else
+ return _lastTemperature;
+}
+
+float DHT::CalcHumidity() {
+ int v;
+
+ switch (_DHTtype) {
+ case DHT11:
+ v = DHT_data[0];
+ return float(v);
+ case DHT22:
+ v = DHT_data[0];
+ v *= 256;
+ v += DHT_data[1];
+ v /= 10;
+ return float(v);
+ }
+ return 0;
+}
+
+
diff -r 000000000000 -r a2a4d0d432b3 DHT/DHT.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT/DHT.h Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,94 @@
+/*
+ * DHT Library for Digital-output Humidity and Temperature sensors
+ *
+ * Works with DHT11, DHT21, DHT22
+ * SEN11301P, Grove - Temperature&Humidity Sensor (Seeed Studio)
+ * SEN51035P, Grove - Temperature&Humidity Sensor Pro (Seeed Studio)
+ * AM2302 , temperature-humidity sensor
+ * RHT01,RHT02, RHT03 , Humidity and Temperature Sensor (Sparkfun)
+ *
+ * Copyright (C) Wim De Roeve
+ * based on DHT22 sensor library by HO WING KIT
+ * Arduino DHT11 library
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documnetation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_DHT_H
+#define MBED_DHT_H
+
+#include "mbed.h"
+
+enum eType{
+ DHT11 = 11,
+ SEN11301P = 11,
+ RHT01 = 11,
+ DHT22 = 22,
+ AM2302 = 22,
+ SEN51035P = 22,
+ RHT02 = 22,
+ RHT03 = 22
+ } ;
+
+enum eError {
+ ERROR_NONE = 0,
+ BUS_BUSY =1,
+ ERROR_NOT_PRESENT =2 ,
+ ERROR_ACK_TOO_LONG =3 ,
+ ERROR_SYNC_TIMEOUT = 4,
+ ERROR_DATA_TIMEOUT =5 ,
+ ERROR_CHECKSUM = 6,
+ ERROR_NO_PATIENCE =7
+} ;
+
+typedef enum {
+ CELCIUS =0 ,
+ FARENHEIT =1,
+ KELVIN=2
+} eScale;
+
+
+class DHT {
+
+public:
+
+ DHT(PinName pin,int DHTtype);
+ ~DHT();
+ int readData(void);
+ float ReadHumidity(void);
+ float ReadTemperature(eScale Scale);
+ float CalcdewPoint(float celsius, float humidity);
+ float CalcdewPointFast(float celsius, float humidity);
+
+private:
+ time_t _lastReadTime;
+ float _lastTemperature;
+ float _lastHumidity;
+ PinName _pin;
+ bool _firsttime;
+ int _DHTtype;
+ int DHT_data[6];
+ float CalcTemperature();
+ float CalcHumidity();
+ float ConvertCelciustoFarenheit(float);
+ float ConvertCelciustoKelvin(float);
+
+};
+
+#endif
diff -r 000000000000 -r a2a4d0d432b3 GPRSInterface.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GPRSInterface.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbotkinl/code/GPRSInterface/#180feb3ebe62
diff -r 000000000000 -r a2a4d0d432b3 HTTPClient_GPRS.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClient_GPRS.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbotkinl/code/HTTPClient_GPRS/#aaab2081c1c0
diff -r 000000000000 -r a2a4d0d432b3 I2C_UART/i2c_uart.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/I2C_UART/i2c_uart.cpp Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,23 @@
+#include "mbed.h"
+#include "i2c_uart.h"
+#include "ARCH_GPRS_V2_HW_DFS.h"
+
+#define ADDRESS 8
+
+I2C i2c_debug(GROVE_I2C_SDA, GROVE_I2C_SCL);
+
+
+void debug_i2c(char *dta)
+{
+ int len = strlen(dta);
+ i2c_debug.write(ADDRESS, dta, len);
+ //wait_ms(10);
+}
+
+void debug_i2c(char dta)
+{
+ char dta1[5];
+ sprintf(dta1, "%c", dta);
+ debug_i2c(dta1);
+}
+//
diff -r 000000000000 -r a2a4d0d432b3 I2C_UART/i2c_uart.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/I2C_UART/i2c_uart.h Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,17 @@ +#ifndef __I2C_UART_H__ +#define __I2C_UART_H__ + +#define __Debug 1 + +#if __Debug +#define DBG(X) debug_i2c(X) +#else +#define DBG(X) +#endif + + +void debug_i2c(char *dta); + + +void debug_i2c(char dta); +#endif
diff -r 000000000000 -r a2a4d0d432b3 SDFileSystem.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbotkinl/code/SDFileSystem/#7b35d1709458
diff -r 000000000000 -r a2a4d0d432b3 SLEEP/ARCH_GPRS_Sleep.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SLEEP/ARCH_GPRS_Sleep.cpp Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,90 @@
+#include "mbed.h"
+#include "ARCH_GPRS_Sleep.h"
+#include "ARCH_GPRS_V2_HW.h"
+
+void Stalker3_0_sleep::gotoSleep() // goto sleep mode, untill wdt interrupt
+{
+ LPC_PMU->PCON |= 0x01; /* ????????? */
+ LPC_SYSCON->PDSLEEPCFG |= (1UL << 3); /* ??BOD??????? */
+ SCB->SCR &= ~(1UL << 2); /* ?????? */
+ __wfi();
+}
+
+void Stalker3_0_sleep::wdtClkSetup(unsigned long clksrc)
+{
+ /* Freq = 0.5Mhz, div_sel is 0x1F, divided by 64. WDT_OSC should be 7.8125khz */
+ LPC_SYSCON->WDTOSCCTRL = (0x1<<5)|0x1F;
+ LPC_SYSCON->PDRUNCFG &= ~(0x1<<6); /* Let WDT clock run */
+
+ /* Enables clock for WDT */
+ LPC_SYSCON->SYSAHBCLKCTRL |= (1<<15);
+ LPC_WWDT->CLKSEL = clksrc; /* Select clock source */
+
+}
+
+void Stalker3_0_sleep::wdtInit(long tc) // init wdt
+{
+ uint32_t regVal;
+
+ LPC_WWDT->TC = tc;
+
+ regVal = WDEN;
+ LPC_WWDT->MOD = regVal;
+
+ LPC_WWDT->FEED = 0xAA; /* Feeding sequence */
+ LPC_WWDT->FEED = 0x55;
+
+ NVIC_EnableIRQ(WDT_IRQn);
+ NVIC_SetPriority(WDT_IRQn, 2);
+ return;
+
+}
+
+void Stalker3_0_sleep::init()
+{
+
+}
+
+void Stalker3_0_sleep::sleep(long ts) // sleep for ts (s)
+{
+
+ workMode = MODE_SLEEP;
+ wdtInit(0x2dc6c0);
+
+ for(int i=0; i<ts; i++)
+ {
+ gotoSleep();
+ }
+
+ workMode = MODE_WORKING;
+ feed();
+}
+
+void Stalker3_0_sleep::wakeUp() // wake up from sleep
+{
+
+}
+
+void Stalker3_0_sleep::feed() // watch dog feed
+{
+ LPC_WWDT->FEED = 0xAA; /* Feeding sequence */
+ LPC_WWDT->FEED = 0x55;
+ return;
+}
+
+Stalker3_0_sleep wdt_sleep;
+
+extern "C"{
+
+ void WDT_IRQHandler(void)
+ {
+
+ if(wdt_sleep.workMode == MODE_WORKING) // WORKING MODE, AND NO FEET WDT, RESET!!!
+ {
+ NVIC_SystemReset();
+ }
+ LPC_WWDT->MOD &= ~WDTOF; /* clear the time-out flag and interrupt flag */
+ LPC_WWDT->MOD &= ~WDINT; /* clear the time-out flag and interrupt flag */
+ wdt_sleep.wdtInit(0x2dc6c0);
+ }
+}
diff -r 000000000000 -r a2a4d0d432b3 SLEEP/ARCH_GPRS_Sleep.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SLEEP/ARCH_GPRS_Sleep.h Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,48 @@
+#ifndef __ARCH_GPRS_SLEEP_H__
+#define __ARCH_GPRS_SLEEP_H__
+
+
+#define WDTCLK_SRC_IRC_OSC 0
+#define WDTCLK_SRC_WDT_OSC 1
+
+#define WDEN (0x1<<0)
+#define WDRESET (0x1<<1)
+#define WDTOF (0x1<<2)
+#define WDINT (0x1<<3)
+#define WDPROTECT (0x1<<4)
+#define WDLOCKCLK (0x1<<5)
+
+#define WDT_FEED_VALUE 0x003FFFFF
+
+#define WINDOW_MODE 0
+#define PROTECT_MODE 0
+#define WATCHDOG_RESET 1
+#define WDLOCK_MODE 0
+#define LOCKCLK_MODE 0
+
+#define MODE_SLEEP 0
+#define MODE_WORKING 1
+
+class Stalker3_0_sleep{
+
+ public:
+
+ int workMode; // working mode, sleep or working
+
+ public:
+
+ void gotoSleep(); // goto sleep mode, untill wdt interrupt
+ void wdtClkSetup(unsigned long clksrc);
+
+ public:
+
+ void init();
+
+ void sleep(long ts); // sleep for ts (s)
+ void wakeUp(); // wake up from sleep
+ void feed(); // watch dog feed
+ void wdtInit(long tc); // init wdt
+};
+
+extern Stalker3_0_sleep wdt_sleep;
+#endif
diff -r 000000000000 -r a2a4d0d432b3 USBDevice.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbotkinl/code/USBDevice/#0f216c4e75e5
diff -r 000000000000 -r a2a4d0d432b3 finalCode.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/finalCode.cpp Thu Apr 16 19:46:40 2015 +0000
@@ -0,0 +1,276 @@
+//SEED Team 20 Final Code draft 1 4/16/15
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "ARCH_GPRS_V2_HW.h"
+#include "HTTPClient.h"
+#include "GPRSInterface.h"
+#include "Blinker.h"
+#include "DHT.h"
+#include "i2c_uart.h"
+#include "ARCH_GPRS_Sleep.h"
+
+#define PIN_TX P1_27
+#define PIN_RX P1_26
+
+#define BROADCAST_TIME 20
+//LED Blink
+Blinker yellowLED(LED1), redLED(LED2), greenLED(LED3), blueLED(LED4);
+
+//USBSerial pc;
+SDFileSystem sd(P1_22, P1_21, P1_20, P1_23, "sd"); // the pinout on the /Arch GPRS v2 mbed board.
+
+//variables for reading data from SD card
+char APIKey[17];
+char sensors[3][5];
+char sensorBuff[5];
+int tempField, humField, lightField;
+int field1, field2, field3;
+int numSensors;
+bool tempSensorflag=false, lightSensorflag=false, SomeotherSensorflag=false;
+
+//GPRS setup
+GPRSInterface gprs(PIN_TX,PIN_RX,115200,"internetd.gdsp",NULL,NULL);
+HTTPClient http;
+char* thingSpeakUrl = "http://api.thingspeak.com/update";
+char urlBuffer[256];
+char str[1024];
+
+//Sensors
+DHT sensor(P1_14,SEN51035P);
+AnalogIn lightSensor(P0_12);
+
+
+int tempData,humData, lightData;
+
+
+void connectGPRS(void) {
+ iot_hw.init(); // power on SIM900
+
+ int count = 0;
+ while(false == gprs.connect() && count < 5) {
+ wait(2);
+ count += 1;
+ }
+}
+
+void getTempHumid(int* tempData,int* humData){
+ int err = 1;
+ int count = 0;
+ iot_hw.grovePwrOn();
+ wait(1); // wait 1 second for device stable status
+ while (err != 0 && count < 4) {
+ err = sensor.readData();
+ count += 1;
+ *tempData = sensor.ReadTemperature(FARENHEIT);
+ *humData = sensor.ReadHumidity();
+
+ wait(1);
+ }
+ iot_hw.grovePwrOff();
+}
+
+void getLightReading(int* lightData)
+{
+ *lightData = lightSensor*1000;
+}
+
+
+int ReadFile (void) {
+ mkdir("/sd", 0777); // All other times open file in append mode
+ FILE *fp = fopen("/sd/config.txt","r");
+ if (fp==NULL) {
+ fclose(fp);
+ return 0;
+
+ } else if (fp) {
+ fscanf(fp,"%16c %d %s %s", APIKey, &numSensors, sensors[0],sensors[1]);
+// fscanf(fp,"%16c",APIKey);
+// pc.printf("APIKEY= %s\r\n",APIKey);
+//
+// fscanf(fp,"%d",&numSensors);
+// pc.printf("number of sensors = %d \r\n",numSensors);
+//
+// for (int i = 0; i<numSensors;i=i+1) {
+// //fscanf(fp,"%s",sensors[i]);
+// fscanf(fp,"%s",sensorBuff);
+// strcpy(sensors[i],sensorBuff);
+// pc.printf("sensor %d = %s\r\n",i,sensors[i]);
+// }
+
+
+ fclose(fp);
+ return 1;
+
+ } else {
+ fclose(fp);
+ return 0;
+ }
+
+}
+
+bool stringComparison (const char *string1, const char *string2) {
+ int count = 0;
+ while (string1[count] != 0) {
+ if (string1[count] != string2[count])
+ return false;
+ count++;
+ }
+ return true;
+}
+
+
+void sendData1(int sensor1Data, int field1) {
+ connectGPRS();
+ urlBuffer[0] = 0;
+ sprintf(urlBuffer, "%s?key=%s&field%d=%d", thingSpeakUrl, APIKey, field1, sensor1Data);
+ HTTPResult res = http.get(urlBuffer, str,128);
+ if (res != HTTP_OK) {
+ redLED.blink(5);
+ } else {
+ greenLED.blink(5);
+ }
+ iot_hw.init_io(); //power down SIM900
+}
+
+void sendData2(int sensor1Data, int field1, int sensor2Data, int field2) {
+ connectGPRS();
+ urlBuffer[0] = 0;
+ sprintf(urlBuffer, "%s?key=%s&field%d=%d&field%d=%d", thingSpeakUrl, APIKey, field1, sensor1Data, field2, sensor2Data);
+ HTTPResult res = http.get(urlBuffer, str,128);
+ if (res != HTTP_OK) {
+ redLED.blink(5);
+ } else {
+ greenLED.blink(5);
+ }
+ iot_hw.init_io(); //power down SIM900
+}
+
+void sendData3(int sensor1Data, int field1, int sensor2Data, int field2, int sensor3Data, int field3) {
+ connectGPRS();
+ urlBuffer[0] = 0;
+ sprintf(urlBuffer, "%s?key=%s&field%d=%d&field%d=%d&field%d=%d", thingSpeakUrl, APIKey, field1, sensor1Data, field2, sensor2Data, field3, sensor3Data);
+ HTTPResult res = http.get(urlBuffer, str,128);
+ if (res != HTTP_OK) {
+ redLED.blink(5);
+ } else {
+ greenLED.blink(5);
+ }
+ iot_hw.init_io(); //power down SIM900
+}
+
+void sdWrite1(int sensor1Data)
+{
+
+ mkdir("/sd", 0777);
+ FILE *fp = fopen("/sd/node1.csv","a");
+ if (fp == NULL) {
+ //no sd card
+ redLED.blink(10);
+ } else {
+
+ fprintf(fp,"timestamp, %d \r\n",sensor1Data);
+ fclose(fp);
+ blueLED.blink(5);
+ }
+}
+
+void sdWrite2(int sensor1Data, int sensor2Data)
+{
+ mkdir("/sd", 0777);
+ FILE *fp = fopen("/sd/node1.csv","a");
+ if (fp == NULL) {
+ //no sd card
+ redLED.blink(10);
+ } else {
+
+ fprintf(fp,"timestamp, %d, %d\r\n",sensor1Data, sensor2Data);
+ fclose(fp);
+ blueLED.blink(5);
+ }
+}
+
+void sdWrite3(int sensor1Data, int sensor2Data,int sensor3Data)
+{
+ mkdir("/sd", 0777);
+ FILE *fp = fopen("/sd/node1.csv","a");
+ if (fp == NULL) {
+ //no sd card
+ redLED.blink(10);
+ } else {
+
+ fprintf(fp,"timestamp, %d, %d, %d\r\n",sensor1Data, sensor2Data, sensor3Data);
+ fclose(fp);
+ blueLED.blink(5);
+ }
+}
+
+
+
+
+int main() {
+ wdt_sleep.wdtClkSetup(WDTCLK_SRC_IRC_OSC); //set up sleep
+
+ //read SD card
+ while (ReadFile()==0) {
+ wait(5);
+ redLED.blink(5);
+ }
+ greenLED.blink(10);
+
+ //identify sensors and find order of fields
+ int field=1;
+ for (int i=0;i<numSensors;i=i+1) {
+ if (stringComparison(sensors[i],"temp")==true) {
+ tempSensorflag=true;
+ tempField=field;
+ humField=field+1;
+ field=field+1;
+ } else if (stringComparison(sensors[i],"light")==true) {
+ lightSensorflag=true;
+ lightField=field;
+ } else if (stringComparison(sensors[i],"some other sensor")==true) {
+ SomeotherSensorflag=true;
+ }
+ field=field+1;
+ }
+
+ while(1)
+ {
+
+ if (numSensors == 3) {
+
+ } else if (numSensors ==2) {
+ if (tempSensorflag==true) {
+ if (lightSensorflag==true) {
+ getLightReading(&lightData);
+ getTempHumid(&tempData,&humData);
+ sendData3(tempData,tempField,humData,humField,lightData,lightField);
+ sdWrite3(tempData,humData,lightData);
+ } else if (SomeotherSensorflag==true) {
+
+ }
+ } else if (lightSensorflag==true) {
+ if (SomeotherSensorflag==true) {
+ getLightReading(&lightData);
+
+
+ }
+ }
+ } else {
+ if (tempSensorflag==true) {
+ getTempHumid(&tempData,&humData);
+ sendData2(tempData,tempField,humData,humField);
+ sdWrite2(tempData,humData);
+ } else if (lightSensorflag==true) {
+ getLightReading(&lightData);
+ sendData1(lightData,lightField);
+ sdWrite1(lightData);
+ } else if (SomeotherSensorflag==true) {
+
+ }
+ }
+ wdt_sleep.sleep(BROADCAST_TIME);
+
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r a2a4d0d432b3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Apr 16 19:46:40 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e188a91d3eaa \ No newline at end of file