Kyle Rodgers / Mbed 2 deprecated Skywire_Demo_3

Added humidity sensor information

Dependencies:   LIS3DH LM75B LPS331 hts221 mbed

Fork of Skywire_Demo by NimbeLink

main.cpp@8:060eaa992407, 2015-07-29 (annotated)

Committer:
kylerodgers
Date:
Wed Jul 29 16:11:41 2015 +0000
Revision:
8:060eaa992407
Parent:
7:00d66e743603 
Added code for humidity sensor.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kholland 4:e7a79d3542e1 1 /* main.cpp */
kylerodgers 8:060eaa992407 2 /* v1.1
kylerodgers 8:060eaa992407 3 * Copyright (C) 2015 nimbelink.com, MIT License
kholland 4:e7a79d3542e1 4 *
kholland 4:e7a79d3542e1 5 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kholland 4:e7a79d3542e1 6 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kholland 4:e7a79d3542e1 7 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kholland 4:e7a79d3542e1 8 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kholland 4:e7a79d3542e1 9 * furnished to do so, subject to the following conditions:
kholland 4:e7a79d3542e1 10 *
kholland 4:e7a79d3542e1 11 * The above copyright notice and this permission notice shall be included in all copies or
kholland 4:e7a79d3542e1 12 * substantial portions of the Software.
kholland 4:e7a79d3542e1 13 *
kholland 4:e7a79d3542e1 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kholland 4:e7a79d3542e1 15 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kholland 4:e7a79d3542e1 16 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kholland 4:e7a79d3542e1 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kholland 4:e7a79d3542e1 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kholland 4:e7a79d3542e1 19 */
kholland 0:3095958bc639 20
kholland 0:3095958bc639 21 #include "mbed.h"
kholland 0:3095958bc639 22 #include "LPS331.h"
kholland 0:3095958bc639 23 #include "LIS3DH.h"
kholland 0:3095958bc639 24 #include "LM75B.h"
kylerodgers 7:00d66e743603 25 #include "hts221.h"
kholland 0:3095958bc639 26
kholland 0:3095958bc639 27 /* --CHANGE THIS FOR YOUR SETUP" -- */
kylerodgers 7:00d66e743603 28 #define DeviceID "A1000032BD4DAF" //Freeboard DweetIO unique ID
kholland 0:3095958bc639 29
kholland 0:3095958bc639 30 DigitalOut myled(LED1);
kholland 0:3095958bc639 31 DigitalOut skywire_en(PA_6);
kholland 0:3095958bc639 32 DigitalOut skywire_rts(PA_7);
kholland 0:3095958bc639 33
kholland 0:3095958bc639 34 Serial skywire(PA_9,PA_10);
kholland 0:3095958bc639 35 Serial debug_pc(USBTX, USBRX);
kholland 0:3095958bc639 36
kholland 0:3095958bc639 37 I2C i2c(PB_9,PB_8);
kholland 0:3095958bc639 38 char msg[3];
kholland 0:3095958bc639 39
kholland 0:3095958bc639 40 LPS331 pressure(i2c);
kholland 0:3095958bc639 41 LM75B LM75_temp(PB_9,PB_8);
kholland 0:3095958bc639 42 LIS3DH accel(i2c, LIS3DH_V_CHIP_ADDR, LIS3DH_DR_NR_LP_100HZ, LIS3DH_FS_2G);
kylerodgers 7:00d66e743603 43 HTS221 humidity(PB_9, PB_8);
kholland 0:3095958bc639 44
kholland 0:3095958bc639 45
kholland 3:4b2176f6474c 46 char str[255];
kholland 3:4b2176f6474c 47
kholland 0:3095958bc639 48 float latitude;
kholland 0:3095958bc639 49 float longitude;
kholland 0:3095958bc639 50 int number;
kholland 0:3095958bc639 51
kholland 3:4b2176f6474c 52 volatile int rx_in=0;
kholland 3:4b2176f6474c 53 volatile int rx_out=0;
kholland 3:4b2176f6474c 54 const int buffer_size = 255;
kholland 3:4b2176f6474c 55 char rx_buffer[buffer_size+1];
kholland 3:4b2176f6474c 56
kholland 3:4b2176f6474c 57 char rx_line[buffer_size];
kholland 3:4b2176f6474c 58
kholland 3:4b2176f6474c 59 void Skywire_Rx_interrupt() {
kholland 3:4b2176f6474c 60 // Loop just in case more than one character is in UART's receive FIFO buffer
kholland 3:4b2176f6474c 61 // Stop if buffer full
kholland 3:4b2176f6474c 62 while ((skywire.readable()) && (((rx_in + 1) % buffer_size) != rx_out)) {
kholland 3:4b2176f6474c 63 rx_buffer[rx_in] = skywire.getc();
kholland 3:4b2176f6474c 64 rx_in = (rx_in + 1) % buffer_size;
kholland 3:4b2176f6474c 65 }
kholland 3:4b2176f6474c 66 return;
kholland 3:4b2176f6474c 67 }
kholland 3:4b2176f6474c 68
kholland 3:4b2176f6474c 69 void read_line() {
kholland 3:4b2176f6474c 70 int i;
kholland 3:4b2176f6474c 71 i = 0;
kholland 3:4b2176f6474c 72 // Start Critical Section - don't interrupt while changing global buffer variables
kholland 3:4b2176f6474c 73 __disable_irq();
kholland 3:4b2176f6474c 74 // Loop reading rx buffer characters until end of line character
kholland 3:4b2176f6474c 75 while ((i==0) || (rx_line[i-1] != '\n')) {
kholland 3:4b2176f6474c 76 // Wait if buffer empty
kholland 3:4b2176f6474c 77 if (rx_in == rx_out) {
kholland 3:4b2176f6474c 78 // End Critical Section - need to allow rx interrupt to get new characters for buffer
kholland 3:4b2176f6474c 79 __enable_irq();
kholland 3:4b2176f6474c 80 while (rx_in == rx_out) {
kholland 3:4b2176f6474c 81 }
kholland 3:4b2176f6474c 82 // Start Critical Section - don't interrupt while changing global buffer variables
kholland 3:4b2176f6474c 83 __disable_irq();
kholland 3:4b2176f6474c 84 }
kholland 3:4b2176f6474c 85 rx_line[i] = rx_buffer[rx_out];
kholland 3:4b2176f6474c 86 i++;
kholland 3:4b2176f6474c 87 rx_out = (rx_out + 1) % buffer_size;
kholland 3:4b2176f6474c 88 }
kholland 3:4b2176f6474c 89 // End Critical Section
kholland 3:4b2176f6474c 90 __enable_irq();
kholland 3:4b2176f6474c 91 rx_line[i-1] = 0;
kholland 3:4b2176f6474c 92 return;
kholland 3:4b2176f6474c 93 }
kholland 3:4b2176f6474c 94 int WaitForResponse(char* response, int num) {
kholland 3:4b2176f6474c 95 do {
kholland 3:4b2176f6474c 96 read_line();
kholland 3:4b2176f6474c 97 debug_pc.printf("Waiting for: %s, Recieved: %s\r\n", response, rx_line);
kholland 3:4b2176f6474c 98 } while (strncmp(rx_line, response, num));
kholland 3:4b2176f6474c 99 return 0;
kholland 3:4b2176f6474c 100 }
kholland 0:3095958bc639 101 int main()
kholland 0:3095958bc639 102 {
kholland 0:3095958bc639 103 float axis[3];
kholland 0:3095958bc639 104 float press;
kholland 0:3095958bc639 105 float temp;
kylerodgers 7:00d66e743603 106 float humi;
kylerodgers 7:00d66e743603 107 float dummy_temp;
kholland 0:3095958bc639 108
kholland 3:4b2176f6474c 109
kholland 0:3095958bc639 110 debug_pc.baud(115200);
kholland 0:3095958bc639 111 skywire.baud(115200);
kholland 5:977fa2ac1589 112 debug_pc.printf("SystemCoreClock = %d Hz\n", SystemCoreClock);
kholland 5:977fa2ac1589 113
kholland 3:4b2176f6474c 114 skywire.attach(&Skywire_Rx_interrupt, Serial::RxIrq);
kholland 0:3095958bc639 115 skywire_rts=0;
kholland 0:3095958bc639 116 myled=0;
kholland 3:4b2176f6474c 117 debug_pc.printf("Starting Demo...\r\n");
kholland 3:4b2176f6474c 118 debug_pc.printf("Waiting for Skywire to Boot...\r\n");
kholland 0:3095958bc639 119 //Enable Skywire
kholland 0:3095958bc639 120 skywire_en=0;
kholland 0:3095958bc639 121 wait(2);
kholland 0:3095958bc639 122 skywire_en=1;
kholland 0:3095958bc639 123 wait(2);
kholland 0:3095958bc639 124 skywire_en=0;
kholland 3:4b2176f6474c 125
kholland 3:4b2176f6474c 126 myled=1;
kholland 0:3095958bc639 127 wait(5);
kholland 3:4b2176f6474c 128
kholland 3:4b2176f6474c 129 LM75_temp.open();
kholland 0:3095958bc639 130
kholland 3:4b2176f6474c 131 //Turn off echo
kholland 3:4b2176f6474c 132 skywire.printf("ATE0\r\n");
kholland 3:4b2176f6474c 133 WaitForResponse("OK", 2);
kholland 3:4b2176f6474c 134
kholland 3:4b2176f6474c 135 debug_pc.printf("Connecting to Network...\r\n");
kholland 0:3095958bc639 136 // get IP address
kholland 3:4b2176f6474c 137 skywire.printf("AT#SGACT=1,1\r\n");
kholland 3:4b2176f6474c 138 WaitForResponse("#SGACT", 6);
kholland 3:4b2176f6474c 139 WaitForResponse("OK", 2);
kholland 0:3095958bc639 140
kholland 0:3095958bc639 141 // connect to dweet.io
kholland 3:4b2176f6474c 142 skywire.printf("AT#HTTPCFG=1,\"dweet.io\",80,0\r\n");
kholland 3:4b2176f6474c 143 WaitForResponse("OK", 2);
kylerodgers 7:00d66e743603 144
kholland 0:3095958bc639 145
kholland 0:3095958bc639 146 //get location approximation from cell tower information
kholland 0:3095958bc639 147 skywire.printf("AT#AGPSSND\r\n");
kholland 3:4b2176f6474c 148 WaitForResponse("#AGPSRING:", 10);
kholland 3:4b2176f6474c 149
kholland 3:4b2176f6474c 150 //debug_pc.printf("Skywire says: %s\r\n", rx_line);
kholland 3:4b2176f6474c 151 sscanf(rx_line, "%s %d,%f,%f,", str, &number, &latitude, &longitude);
kholland 3:4b2176f6474c 152 debug_pc.printf("Location: Latt:%f, Long:%f\r\n", latitude, longitude);
kylerodgers 7:00d66e743603 153
kholland 3:4b2176f6474c 154 wait(3);
kholland 3:4b2176f6474c 155
kholland 0:3095958bc639 156 while(1) {
kholland 0:3095958bc639 157 temp = (float)LM75_temp;
kholland 3:4b2176f6474c 158 debug_pc.printf("Temp = %.3f\r\n", temp);
kholland 0:3095958bc639 159 press=(float)pressure.value() / 4096;
kholland 3:4b2176f6474c 160 debug_pc.printf("Pressure = %.3f\r\n", press);
kylerodgers 7:00d66e743603 161 humidity.ReadTempHumi(&dummy_temp, &humi);
kylerodgers 7:00d66e743603 162 debug_pc.printf("Humidity = %.3f\r\n", humi);
kholland 0:3095958bc639 163 accel.read_data(axis);
kholland 3:4b2176f6474c 164 debug_pc.printf("Accel = %.3f, %.3f, %.3f\r\n", axis[0], axis[1], axis[2]);
kylerodgers 7:00d66e743603 165 //wait(10);
kholland 3:4b2176f6474c 166
kholland 0:3095958bc639 167 //Report Sensor Data to dweet.io
kylerodgers 7:00d66e743603 168 skywire.printf("AT#HTTPQRY=1,0,\"/dweet/for/%s?temp=%.3f&press=%.3f&humi=%.3f&X=%.3f&Y=%.3f&Z=%.3f&Latitude=%f&Longitude=%f\"\r\n", DeviceID, temp, press, humi, axis[0], axis[1], axis[2], latitude, longitude);
kholland 3:4b2176f6474c 169 WaitForResponse("#HTTPRING", 9);
kholland 0:3095958bc639 170 skywire.printf("AT#HTTPRCV=1\r\n");
kholland 3:4b2176f6474c 171 WaitForResponse("OK", 2);
kholland 0:3095958bc639 172 wait(5);
kholland 3:4b2176f6474c 173 }
kholland 0:3095958bc639 174
kholland 0:3095958bc639 175 }