Amit Gandhi
t
Dependencies: SDFileSystem BLE_API BufferedSerial DHT22_3 mbed-dev_2 nRF51822 nrf51_rtc
Fork of
SDFileSystem_HelloWorld
by 
mbed official
Revision 1:d6e971d1bca9, committed 2017-11-10
- Comitter:
- amithy
- Date:
- Fri Nov 10 20:54:05 2017 +0000
- Parent:
- 0:bdbd3d6fc5d5
- Child:
- 3:42fbb9bc132b
- Commit message:
- t
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BLE_API.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#65474dc93927
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BufferedSerial.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sam_grove/code/BufferedSerial/#a0d37088b405
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DHT22.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/amithy/code/DHT22_3/#1460b7a50ec0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LIS3DH.h Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,39 @@ +#define LIS3DH_STATUS_REG_AUX 0x07 +#define LIS3DH_OUT_ADC1_L 0x08 +#define LIS3DH_OUT_ADC1_H 0x09 +#define LIS3DH_OUT_ADC2_L 0x0a +#define LIS3DH_OUT_ADC2_H 0x0b +#define LIS3DH_OUT_ADC3_L 0x0c +#define LIS3DH_OUT_ADC3_H 0x0d +#define LIS3DH_INT_COUNTER_REG 0x0e +#define LIS3DH_WHO_AM_I 0x0f +#define LIS3DH_CTRL_REG0 +#define LIS3DH_TEMP_CFG_REG 0x1f +#define LIS3DH_CTRL_REG1 0x20 +#define LIS3DH_CTRL_REG2 0x21 +#define LIS3DH_CTRL_REG3 0x22 +#define LIS3DH_CTRL_REG4 0x23 +#define LIS3DH_CTRL_REG5 0x24 +#define LIS3DH_CTRL_REG6 0x25 +#define LIS3DH_REFERENCE 0x26 +#define LIS3DH_STATUS_REG 0x27 +#define LIS3DH_OUT_X_L 0x28 +#define LIS3DH_OUT_X_H 0x29 +#define LIS3DH_OUT_Y_L 0x2a +#define LIS3DH_OUT_Y_H 0x2b +#define LIS3DH_OUT_Z_L 0x2c +#define LIS3DH_OUT_Z_H 0x2d +#define LIS3DH_FIFO_CTRL_REG 0x2e +#define LIS3DH_FIFO_SRC_REG 0x2f +#define LIS3DH_INT1_CFG 0x30 +#define LIS3DH_INT1_SRC 0x31 +#define LIS3DH_INT1_THS 0x32 +#define LIS3DH_INT1_DURATION 0x33 +#define LIS3DH_CLICK_CFG 0x38 +#define LIS3DH_CLICK_SRC 0x39 +#define LIS3DH_CLICK_THS 0x3a +#define LIS3DH_TIME_LIMIT 0x3b +#define LIS3DH_TIME_LATENCY 0x3c +#define LIS3DH_TIME_WINDOW 0x3d +#define LIS3DH_ACT_THS 0x3e +#define LIS3DH_ACT_DUR 0x3f \ No newline at end of file
--- a/SDFileSystem.lib Fri Dec 07 11:25:01 2012 +0000 +++ b/SDFileSystem.lib Fri Nov 10 20:54:05 2017 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4 +https://mbed.org/users/neilt6/code/SDFileSystem/#e4d2567200db
--- a/main.cpp Fri Dec 07 11:25:01 2012 +0000
+++ b/main.cpp Fri Nov 10 20:54:05 2017 +0000
@@ -1,19 +1,506 @@
+#define LOGDELAY 290
+
#include "mbed.h"
+#include "BufferedSerial.h"
#include "SDFileSystem.h"
-
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
-
-int main() {
- printf("Hello World!\n");
-
- mkdir("/sd/mydir", 0777);
+#include "ble/BLE.h"
+#include "ble/services/DeviceInformationService.h"
+#include "nrf_soc.h" // for internal Thermo sensor
+#include "nrf51_rtc.h"
+#include "Dht22.h"
+#include <string>
+
+//Serial pc(USBTX, USBRX);
+
+
+char DEVICE_NAME[] = "IAQ"; //enter device name
+const static char datapath[] = "/sd/datalog.txt";
+Ticker wakeUp;
+char hpmbuffer[10];
+bool triggered = true;
+
+/*
+// Sensen Pin Configuration
+*/
+
+SDFileSystem sd(p25, p28, p29, p23, "sd");//Create an SDFileSystem object mosi, miso, sclk
+I2C i2c(p30 , p7); //sda, scl
+DigitalOut adp(p21);
+DigitalOut sample_led(p17); //yellow - sampling
+DigitalOut status_led(p18); //red - status
+
+
+
+/*
+// Sensor Configuration
+*/
+
+//analog sensors
+AnalogIn spec(p1);
+AnalogIn figCO(p2);
+AnalogIn sharpVOut(p3);
+
+//digital sensors
+BufferedSerial hpm(p9,p11); //tx, rx
+//SoftwareSerial plantower(p10, p12);
+DigitalOut sharpLED(p13); //low = on
+DigitalOut plantowerReset(p10);
+DigitalOut plantowerSet(p12);
+Dht22 dht(p14);
+const int figCO2 = 0x69 << 1; // 8bit I2C address, 0x69 for figaro CO2
+const int DS1307 = 0x68 << 1;
+
+
+/*
+// Global variables for data
+*/
+char rtcbuff[8];
+float dataBuffer[30];
+uint32_t timeNow = 0;
+uint32_t wakeTime = 0;
+float sharpPM = 0.0;
+float specCO = 0.0;
+float figaroCO = 0.0;
+int dhtTemp = 0;
+int dhtHum = 0;
+int figaroCO2 = 0;
+int honeywellPM2_5 = 0;
+int honeywellPM10 = 0;
+int plantowerPM1 = 0;
+int plantowerPM2_5 = 0;
+int plantowerPM10 = 0;
+int32_t p_temp = 0;
+float temperature = 0;
+
+/*
+// I2C functions
+*/
+
+void writeReg(int addr8bit, char reg, char val)
+{
+ char tempData[2];
+ tempData[0] = reg;
+ tempData[1] = val;
+ i2c.write(addr8bit, tempData, 2);
+}
+
+void readReg(int addr8bit, uint8_t reg)
+{
+ char tempData[2];
+ tempData[0] = reg;
+ i2c.write(addr8bit, &tempData[0], 1, true);
+ i2c.read(addr8bit, &tempData[1], 1, false);
+}
+
+int twosComp( char bit_msb, char bit_lsb)
+{
+ int16_t myInt=0;
+ myInt = (bit_msb << 8) | (bit_lsb & 0xff);
+ return myInt;
+}
+
+
+/*
+// Sensor interface functions
+*/
+
+void getDHT()
+{
+ dht.read();
+ dhtTemp = dht.getCelsius();
+ dhtHum = dht.getHumidity();
+}
+
+void getFigaroCO2()
+{
+ char readme_msb, readme_lsb;
+
+ char reg = 0x03;
+ i2c.write(figCO2, ®, 1, true);
+ i2c.read(figCO2, &readme_lsb, 1, false);
+
+ reg = 0x04;
+ i2c.write(figCO2, ®, 1, true);
+ i2c.read(figCO2, &readme_msb, 1, false);
+
+ figaroCO2 = twosComp(readme_msb,readme_lsb);
+}
+
+void getSharpPM()
+{
+ sharpVOut.read();
+ wait_ms(5);
+ sharpLED = 0;
+ wait_us(280);
+ sharpPM = sharpVOut.read();
+ wait_us(40);
+ sharpLED = 1;
+ wait_us(9680);
+}
+
+void getSpecCO()
+{
+ spec.read();
+ wait_ms(5);
+ specCO = 0.0;
+ for(int i=0; i<128; i++)
+ {
+ specCO += spec.read();
+ wait_ms(2);
+ }
+ specCO = specCO/128.0;
+}
+
+void getFigaroCO()
+{
+ figCO.read();
+ wait_ms(5);
+ figaroCO = 0.0;
+ //for(int i=0; i<128; i++)
+ //{
+ figaroCO = figCO.read();
+ // wait_ms(2);
+ //}
+ //figaroCO = figaroCO/128.0;
+}
+
+void getHPM()
+{
+ for(int i=0; i<8; i++) {
+ hpmbuffer[i]=1;
+ }
+ for(int i=0; i<100; i++) {
+ if(hpm.getc()==0x42) {
+ if(hpm.getc()==0x4d) {
+ for(int i=0; i<8; i++) {
+ hpmbuffer[i]=hpm.getc();
+ }
+ honeywellPM2_5 = twosComp(hpmbuffer[4],hpmbuffer[5]);
+ honeywellPM10 = twosComp(hpmbuffer[6],hpmbuffer[7]);
+ break;
+ }
+ }
+ }
+}
+
+void getTime()
+{
+ char readreg;
+
+ char reg = 0x00;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[0] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x01;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[1] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x02;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[2] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x03;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[3] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x04;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[4] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x05;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[5] = readreg - 6 * (readreg >> 4);;
+
+ reg = 0x06;
+ i2c.write(DS1307, ®, 1, true);
+ i2c.read(DS1307, &readreg, 1, false);
+ rtcbuff[6] = readreg - 6 * (readreg >> 4);;
+
+ struct tm t;
+
+ t.tm_year = (int)rtcbuff[6]+100;
+ t.tm_mon = (int)rtcbuff[5]-1; // Month, 0 - jan
+ t.tm_mday = (int)rtcbuff[4]; // Day of the month
+ t.tm_hour = (int)rtcbuff[2];
+ t.tm_min = (int)rtcbuff[1];
+ t.tm_sec = (int)rtcbuff[0];
+ t.tm_isdst = 0; // Is DST on? 1 = yes, 0 = no, -1 = unknown
+ timeNow = mktime(&t);
+}
+
+
+void getData()
+{
+ getSharpPM();
+ wait(0.25);
+
+ getSpecCO();
+ wait(0.25);
+
+ getFigaroCO();
+ wait(0.25);
- FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
- if(fp == NULL) {
- error("Could not open file for write\n");
+ getFigaroCO2();
+ wait(0.25);
+
+ getHPM();
+ for(int i = 0; i<5; i++)
+ {
+ if (honeywellPM2_5 == 0 && honeywellPM10 == 0)
+ {
+ wait(0.25);
+ getHPM();
+ }
+ }
+ wait(0.25);
+
+ getDHT();
+ if (dhtTemp == 0)
+ {
+ wait(5);
+ getDHT();
+ }
+ wait(0.25);
+
+
+}
+
+
+
+
+
+
+
+/*
+// SD functions
+*/
+
+void sd_begin()
+{
+ DigitalOut mosi(p25); //out
+ DigitalIn miso(p28); //in
+ miso.mode(PullUp);
+ DigitalOut sclk(p29); //out
+ DigitalOut cs(p23,1); //out
+
+ plantowerReset = 1;
+ plantowerSet = 1;
+ adp = 1; //turn on ADP194
+ sharpLED = 1;
+ status_led=1; //turn on status led - red
+ wait(0.25);
+}
+
+
+void sd_sleep()
+{
+ wait(0.25);
+ status_led=0; //turn off status led - red
+ adp = 0; //turn off ADP194
+ sharpLED = 0;
+ //set all SPI as outputs pulled down
+ DigitalOut mosi(p25,0);
+ DigitalOut miso(p28,0);
+ DigitalOut sclk(p29,0);
+ DigitalOut cs(p23,0);
+}
+
+void sd_header_write()//Write header sd card
+{
+ sd.mount();//Mount the filesystem
+ wait(0.25);//wait for stabilization
+
+ FILE *fp = fopen(datapath, "a"); //will overwrite any existing datalog.txt file
+ if (fp != NULL) {
+ fprintf(fp,"Time,PM2_5,PM10,sharpPM,dhtTemp,dhtHum,specCO,figaroCO,figaroCO2\r\n");
+ wait(0.25); //seconds
+ }
+ fclose(fp);
+ sd.unmount();//Unmount the filesystem
+}
+
+void saveData()
+{
+ sd.mount();//Mount the filesystem
+ wait(0.25);//wait for stabilization
+
+ FILE *fp = fopen(datapath, "a"); //will overwrite any existing datalog.txt file
+ if (fp != NULL) {
+ //fprintf(fp,"%d,%.4f\r\n",temperature);
+ fprintf(fp,"%d,%d,%d,%.4f,%d,%d,%.4f,%.4f,%d\r\n",timeNow,honeywellPM2_5,honeywellPM10,sharpPM,dhtTemp,dhtHum,specCO,figaroCO,figaroCO2);
+ wait(0.25); //seconds
+ }
+ fclose(fp);
+ sd.unmount();//Unmount the filesystem
+
+}
+
+/*
+// Clock functions
+*/
+
+void checkTime()
+{
+ timeNow = rtc.time();
+ if (timeNow > wakeTime) {
+ triggered = true;
}
- fprintf(fp, "Hello fun SD Card World!");
- fclose(fp);
+ //timeNow = rtc.time();
+ //wakeTime = timeNow + LOGDELAY;
+}
+
+
+
+
+
+int main(void)
+{
+ /*
+ //set time
+ int val = 5;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x00,val);
+
+ val = 5;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x01,val);
+
+ val = 0;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x02,val);
+
+ val = 20;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x03,val);
+
+ val = 26;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x04,val);
+
+ val = 10;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x05,val);
+
+ val = 17;
+ val = ( ( val / 10 ) * 0x10 ) + ( val % 10 );
+ writeReg(DS1307,0x06,val);
+
+ while(1)
+ {
+ sample_led = !sample_led;
+ wait(1);
+ }
+
+ */
+
+ //pc.printf("starting up... \n");
+ /*
+ sd_begin();
+ while(1)
+ {
+
+
+ while(1)
+ {
+ if(hpm.getc()==0x42)
+ {
+ if(hpm.getc()==0x4d)
+ {
+ for(int i=0;i<8;i++)
+ {
+ hpmbuffer[i]=hpm.getc();
+ }
+ break;
+ }
+ }
+ }
+
+ FILE *fp = fopen(datapath, "a"); //will overwrite any existing datalog.txt file
+ if (fp != NULL) {
+ fprintf(fp,"%x,%x,%x,%x\r\n",hpmbuffer[4],hpmbuffer[5],hpmbuffer[6],hpmbuffer[7]);
+ //fprintf(fp,"%d,%.4f,%.4f,%.4f,%.4f\r\n",timeNow,sharpPM,specCO,figaroCO,figaroCO2
+ }
+ fclose(fp);
+ */
+
+/*
+ char readme_msb, readme_lsb;
+
+ char reg = 0x03;
+ i2c.write(figCO2, ®, 1, true);
+ i2c.read(figCO2, &readme_lsb, 1, false);
+
+ reg = 0x04;
+ i2c.write(figCO2, ®, 1, true);
+ i2c.read(figCO2, &readme_msb, 1, false);
+
+ int16_t xval = twosComp(readme_msb,readme_lsb);
+ figaroCO2 = (float)xval/15987;
+
+ pc.printf("figaroCO2 %f\n", figaroCO2);
+ wait(1);
+ */
- printf("Goodbye World!\n");
-}
+ BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
+ ble.init();
+ sd_begin();
+ sd_header_write();
+ sample_led = 1;
+
+ while (ble.hasInitialized() == false) {
+ }
+
+ while(true) {
+
+ //wait(5);
+ if(triggered)
+ {
+ sd_begin();
+ wait(1);
+/*
+ getTime();
+ getDHT();
+ pc.printf("%ld,%d,%d,%d,%d,%d,%d,%d,",timeNow,rtcbuff[0],rtcbuff[1],rtcbuff[2],rtcbuff[3],rtcbuff[4],rtcbuff[5],rtcbuff[6]);
+ pc.printf("%d,%d\n\r",dhtTemp,dhtHum);
+ wait(5);
+*/
+
+ //getData();
+ //specCO = spec.read();
+ //sd_temp_get(&p_temp);
+ //temperature = float(p_temp)/4.;
+
+ //pc.printf("%.4f\n",specCO);
+
+ getTime();
+ wakeTime = timeNow + LOGDELAY;
+
+ for(int i = 0; i < 2; i++)
+ {
+ getTime();
+ sample_led = 1;
+ getData();
+ sample_led = 0;
+ saveData();
+ }
+
+
+ rtc.set_time(timeNow);
+ triggered = false;
+ sd_sleep(); //powers off everything
+ }
+ else
+ {
+ wakeUp.attach(&checkTime, 10);
+ ble.waitForEvent();
+ __wfe();
+ wakeUp.detach();
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/amithy/code/mbed-dev_2/#90c9440abc83
--- a/mbed.bld Fri Dec 07 11:25:01 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/63cdd78b2dc1 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF51822.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/amithy/code/nRF51822/#7f459d371b75
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nrf51_rtc.lib Fri Nov 10 20:54:05 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/fxschumacher/code/nrf51_rtc/#3677a016109b