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Added humidity sensor information
Dependencies: LIS3DH LM75B LPS331 hts221 mbed
Fork of Skywire_Demo by
main.cpp
- Committer:
- kholland
- Date:
- 2015-01-12
- Revision:
- 3:4b2176f6474c
- Parent:
- 2:b57e24a42b6f
- Child:
- 4:e7a79d3542e1
File content as of revision 3:4b2176f6474c:
#include "mbed.h" #include "LPS331.h" #include "LIS3DH.h" #include "LM75B.h" /* --CHANGE THIS FOR YOUR SETUP" -- */ #define DeviceID "mbedskywire" //Freeboard DweetIO unique ID DigitalOut myled(LED1); DigitalOut skywire_en(PA_6); DigitalOut skywire_rts(PA_7); Serial skywire(PA_9,PA_10); Serial debug_pc(USBTX, USBRX); I2C i2c(PB_9,PB_8); char msg[3]; LPS331 pressure(i2c); LM75B LM75_temp(PB_9,PB_8); LIS3DH accel(i2c, LIS3DH_V_CHIP_ADDR, LIS3DH_DR_NR_LP_100HZ, LIS3DH_FS_2G); char str[255]; float latitude; float longitude; int number; volatile int rx_in=0; volatile int rx_out=0; const int buffer_size = 255; char rx_buffer[buffer_size+1]; char rx_line[buffer_size]; void Skywire_Rx_interrupt() { // Loop just in case more than one character is in UART's receive FIFO buffer // Stop if buffer full while ((skywire.readable()) && (((rx_in + 1) % buffer_size) != rx_out)) { rx_buffer[rx_in] = skywire.getc(); rx_in = (rx_in + 1) % buffer_size; } return; } void read_line() { int i; i = 0; // Start Critical Section - don't interrupt while changing global buffer variables __disable_irq(); // Loop reading rx buffer characters until end of line character while ((i==0) || (rx_line[i-1] != '\n')) { // Wait if buffer empty if (rx_in == rx_out) { // End Critical Section - need to allow rx interrupt to get new characters for buffer __enable_irq(); while (rx_in == rx_out) { } // Start Critical Section - don't interrupt while changing global buffer variables __disable_irq(); } rx_line[i] = rx_buffer[rx_out]; i++; rx_out = (rx_out + 1) % buffer_size; } // End Critical Section __enable_irq(); rx_line[i-1] = 0; return; } int WaitForResponse(char* response, int num) { do { read_line(); debug_pc.printf("Waiting for: %s, Recieved: %s\r\n", response, rx_line); } while (strncmp(rx_line, response, num)); return 0; } int main() { float axis[3]; float press; float temp; debug_pc.baud(115200); skywire.baud(115200); skywire.attach(&Skywire_Rx_interrupt, Serial::RxIrq); skywire_rts=0; myled=0; debug_pc.printf("Starting Demo...\r\n"); debug_pc.printf("Waiting for Skywire to Boot...\r\n"); //Enable Skywire skywire_en=0; wait(2); skywire_en=1; wait(2); skywire_en=0; myled=1; wait(5); LM75_temp.open(); //Turn off echo skywire.printf("ATE0\r\n"); WaitForResponse("OK", 2); debug_pc.printf("Connecting to Network...\r\n"); // get IP address skywire.printf("AT#SGACT=1,1\r\n"); WaitForResponse("#SGACT", 6); WaitForResponse("OK", 2); // connect to dweet.io skywire.printf("AT#HTTPCFG=1,\"dweet.io\",80,0\r\n"); WaitForResponse("OK", 2); //get location approximation from cell tower information skywire.printf("AT#AGPSSND\r\n"); WaitForResponse("#AGPSRING:", 10); //debug_pc.printf("Skywire says: %s\r\n", rx_line); sscanf(rx_line, "%s %d,%f,%f,", str, &number, &latitude, &longitude); debug_pc.printf("Location: Latt:%f, Long:%f\r\n", latitude, longitude); wait(3); while(1) { temp = (float)LM75_temp; debug_pc.printf("Temp = %.3f\r\n", temp); press=(float)pressure.value() / 4096; debug_pc.printf("Pressure = %.3f\r\n", press); accel.read_data(axis); debug_pc.printf("Accel = %.3f, %.3f, %.3f\r\n", axis[0], axis[1], axis[2]); // wait(10); //Report Sensor Data to dweet.io skywire.printf("AT#HTTPQRY=1,0,\"/dweet/for/%s?temperature=%.3f&pressure=%.3f&X=%.3f&Y=%.3f&Z=%.3f&Latitude=%f&Longitude=%f\"\r\n", DeviceID, temp, press, axis[0], axis[1], axis[2], latitude, longitude); WaitForResponse("#HTTPRING", 9); skywire.printf("AT#HTTPRCV=1\r\n"); WaitForResponse("OK", 2); wait(5); } }