M1DK Skywire Demo
Dependencies: SHT30-DIS-B mbed
Fork of M1DK_Skywire_Demo by
main.cpp@13:f827f384f0a1, 2017-10-24 (annotated)
- Committer:
- kylerodgers
- Date:
- Tue Oct 24 20:43:32 2017 +0000
- Revision:
- 13:f827f384f0a1
- Parent:
- 11:78a28ca6409f
- Child:
- 14:6a94410202bb
Demo for FTW Roadshow.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kholland | 4:e7a79d3542e1 | 1 | /* main.cpp */ |
kylerodgers | 13:f827f384f0a1 | 2 | /* Copyright (C) 2017 nimbelink.com, MIT License |
kholland | 4:e7a79d3542e1 | 3 | * |
kholland | 4:e7a79d3542e1 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
kholland | 4:e7a79d3542e1 | 5 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
kholland | 4:e7a79d3542e1 | 6 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
kholland | 4:e7a79d3542e1 | 7 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
kholland | 4:e7a79d3542e1 | 8 | * furnished to do so, subject to the following conditions: |
kholland | 4:e7a79d3542e1 | 9 | * |
kholland | 4:e7a79d3542e1 | 10 | * The above copyright notice and this permission notice shall be included in all copies or |
kholland | 4:e7a79d3542e1 | 11 | * substantial portions of the Software. |
kholland | 4:e7a79d3542e1 | 12 | * |
kholland | 4:e7a79d3542e1 | 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
kholland | 4:e7a79d3542e1 | 14 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
kholland | 4:e7a79d3542e1 | 15 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
kholland | 4:e7a79d3542e1 | 16 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
kholland | 4:e7a79d3542e1 | 17 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
kholland | 4:e7a79d3542e1 | 18 | */ |
kholland | 0:3095958bc639 | 19 | |
kholland | 10:5974a7b2cf38 | 20 | /* |
kholland | 10:5974a7b2cf38 | 21 | * DESCRIPTION |
kylerodgers | 13:f827f384f0a1 | 22 | * This code sends sensor data to Dweet.io on the NL-M1DK. |
kholland | 10:5974a7b2cf38 | 23 | */ |
kholland | 10:5974a7b2cf38 | 24 | |
kholland | 10:5974a7b2cf38 | 25 | /* |
kholland | 10:5974a7b2cf38 | 26 | * INSTRUCTIONS FOR USING THIS CODE |
kylerodgers | 13:f827f384f0a1 | 27 | * 1. Change the "DeviceID" to a unique identifier for your Nucleo board. One recommendation |
kholland | 10:5974a7b2cf38 | 28 | * would be to use the MEID/IMEI of your Skywire Modem. |
kholland | 10:5974a7b2cf38 | 29 | */ |
kholland | 10:5974a7b2cf38 | 30 | |
GregNash | 11:78a28ca6409f | 31 | #include "mbed.h" // mbed Library |
GregNash | 11:78a28ca6409f | 32 | #include "pinmap.h" // pinmap needed for hardware flow control |
GregNash | 11:78a28ca6409f | 33 | |
GregNash | 11:78a28ca6409f | 34 | #include "SHT30DISB.h" |
kholland | 0:3095958bc639 | 35 | |
GregNash | 11:78a28ca6409f | 36 | // --CHANGE THIS FOR YOUR SETUP-- |
kylerodgers | 13:f827f384f0a1 | 37 | #define DeviceID "<your Thingname here>" //DweetIO unique ID |
GregNash | 11:78a28ca6409f | 38 | |
GregNash | 11:78a28ca6409f | 39 | // --CHANGE THIS FOR YOUR SETUP (IF APPLICABLE)-- |
kylerodgers | 13:f827f384f0a1 | 40 | const char *APN = "NIMBLINK.GW12.VZWENTP"; |
kholland | 0:3095958bc639 | 41 | |
kholland | 10:5974a7b2cf38 | 42 | DigitalOut myled(LED1); // Main LED |
kylerodgers | 13:f827f384f0a1 | 43 | DigitalOut skywire_rts(PB_5); // Skywire Send |
kylerodgers | 13:f827f384f0a1 | 44 | DigitalOut green_LED(D7); // Green LED |
kylerodgers | 13:f827f384f0a1 | 45 | DigitalOut red_LED(D10); // Red LED |
kholland | 0:3095958bc639 | 46 | |
kylerodgers | 13:f827f384f0a1 | 47 | DigitalOut nRESET(PB_4); // Skywire Reset line |
kylerodgers | 13:f827f384f0a1 | 48 | |
kylerodgers | 13:f827f384f0a1 | 49 | AnalogIn photo_trans(A3); // Photo Transistor |
kylerodgers | 13:f827f384f0a1 | 50 | DigitalOut photo_trans_nEN(D11); // Photo Transistor Enable |
kylerodgers | 13:f827f384f0a1 | 51 | DigitalIn button1(PA_5); // Button 1 |
kholland | 10:5974a7b2cf38 | 52 | |
kholland | 10:5974a7b2cf38 | 53 | Serial skywire(PA_9,PA_10); // Serial comms to Skywire |
kholland | 10:5974a7b2cf38 | 54 | Serial debug_pc(USBTX, USBRX); // USB connection to PC |
kholland | 10:5974a7b2cf38 | 55 | |
kholland | 10:5974a7b2cf38 | 56 | I2C i2c(PB_9,PB_8); // Setup I2C bus for sensors |
GregNash | 11:78a28ca6409f | 57 | |
kylerodgers | 13:f827f384f0a1 | 58 | // SHT30 Sensor Setup |
kylerodgers | 13:f827f384f0a1 | 59 | SHT30DISB SHT30(i2c); |
kholland | 10:5974a7b2cf38 | 60 | |
kylerodgers | 13:f827f384f0a1 | 61 | // variable to switch state |
kylerodgers | 13:f827f384f0a1 | 62 | bool sw1; |
kholland | 0:3095958bc639 | 63 | |
kholland | 10:5974a7b2cf38 | 64 | // char array for reading from Skywire |
kholland | 3:4b2176f6474c | 65 | char str[255]; |
kylerodgers | 13:f827f384f0a1 | 66 | |
kylerodgers | 13:f827f384f0a1 | 67 | // Variables for checking CSQ |
GregNash | 11:78a28ca6409f | 68 | char csq[3]="99"; |
GregNash | 11:78a28ca6409f | 69 | int csq_val = 99; |
kholland | 3:4b2176f6474c | 70 | |
kholland | 10:5974a7b2cf38 | 71 | // Variables for UART comms |
kholland | 3:4b2176f6474c | 72 | volatile int rx_in=0; |
kholland | 3:4b2176f6474c | 73 | volatile int rx_out=0; |
kholland | 10:5974a7b2cf38 | 74 | const int buffer_size = 600; |
kholland | 3:4b2176f6474c | 75 | char rx_buffer[buffer_size+1]; |
kholland | 3:4b2176f6474c | 76 | char rx_line[buffer_size]; |
kholland | 3:4b2176f6474c | 77 | |
kholland | 10:5974a7b2cf38 | 78 | // Interrupt for the Skywire |
kholland | 10:5974a7b2cf38 | 79 | void Skywire_Rx_interrupt() |
kholland | 10:5974a7b2cf38 | 80 | { |
kholland | 3:4b2176f6474c | 81 | // Loop just in case more than one character is in UART's receive FIFO buffer |
kholland | 3:4b2176f6474c | 82 | // Stop if buffer full |
kholland | 3:4b2176f6474c | 83 | while ((skywire.readable()) && (((rx_in + 1) % buffer_size) != rx_out)) { |
kholland | 3:4b2176f6474c | 84 | rx_buffer[rx_in] = skywire.getc(); |
kholland | 3:4b2176f6474c | 85 | rx_in = (rx_in + 1) % buffer_size; |
kholland | 3:4b2176f6474c | 86 | } |
kholland | 3:4b2176f6474c | 87 | return; |
kholland | 3:4b2176f6474c | 88 | } |
kholland | 3:4b2176f6474c | 89 | |
kholland | 10:5974a7b2cf38 | 90 | // Read line from the UART |
kholland | 10:5974a7b2cf38 | 91 | void read_line() |
kholland | 10:5974a7b2cf38 | 92 | { |
kholland | 3:4b2176f6474c | 93 | int i; |
kholland | 3:4b2176f6474c | 94 | i = 0; |
kholland | 3:4b2176f6474c | 95 | // Start Critical Section - don't interrupt while changing global buffer variables |
kholland | 3:4b2176f6474c | 96 | __disable_irq(); |
kholland | 3:4b2176f6474c | 97 | // Loop reading rx buffer characters until end of line character |
kholland | 3:4b2176f6474c | 98 | while ((i==0) || (rx_line[i-1] != '\n')) { |
kholland | 3:4b2176f6474c | 99 | // Wait if buffer empty |
kholland | 3:4b2176f6474c | 100 | if (rx_in == rx_out) { |
kholland | 3:4b2176f6474c | 101 | // End Critical Section - need to allow rx interrupt to get new characters for buffer |
kholland | 3:4b2176f6474c | 102 | __enable_irq(); |
kholland | 3:4b2176f6474c | 103 | while (rx_in == rx_out) { |
kholland | 3:4b2176f6474c | 104 | } |
kholland | 3:4b2176f6474c | 105 | // Start Critical Section - don't interrupt while changing global buffer variables |
kholland | 3:4b2176f6474c | 106 | __disable_irq(); |
kholland | 3:4b2176f6474c | 107 | } |
kholland | 3:4b2176f6474c | 108 | rx_line[i] = rx_buffer[rx_out]; |
kholland | 3:4b2176f6474c | 109 | i++; |
kholland | 3:4b2176f6474c | 110 | rx_out = (rx_out + 1) % buffer_size; |
kholland | 3:4b2176f6474c | 111 | } |
kholland | 3:4b2176f6474c | 112 | // End Critical Section |
kholland | 3:4b2176f6474c | 113 | __enable_irq(); |
kholland | 3:4b2176f6474c | 114 | rx_line[i-1] = 0; |
kholland | 3:4b2176f6474c | 115 | return; |
kholland | 3:4b2176f6474c | 116 | } |
kholland | 10:5974a7b2cf38 | 117 | |
kholland | 10:5974a7b2cf38 | 118 | // Wait for specific response |
GregNash | 11:78a28ca6409f | 119 | int WaitForResponse(const char *response) |
kholland | 10:5974a7b2cf38 | 120 | { |
GregNash | 11:78a28ca6409f | 121 | debug_pc.printf("Command sent. Waiting for: %s\r\n", response); |
kholland | 3:4b2176f6474c | 122 | do { |
kholland | 3:4b2176f6474c | 123 | read_line(); |
kylerodgers | 13:f827f384f0a1 | 124 | // If we get ERROR, return with 1 |
kylerodgers | 13:f827f384f0a1 | 125 | if (strncmp(rx_line, "ERROR", strlen("ERROR")) == 0) { |
kylerodgers | 13:f827f384f0a1 | 126 | debug_pc.printf("ERROR\r\n"); |
kylerodgers | 13:f827f384f0a1 | 127 | return 1; |
kylerodgers | 13:f827f384f0a1 | 128 | } |
kholland | 3:4b2176f6474c | 129 | debug_pc.printf("Waiting for: %s, Recieved: %s\r\n", response, rx_line); |
GregNash | 11:78a28ca6409f | 130 | } while (strncmp(rx_line, response, strlen(response))); |
GregNash | 11:78a28ca6409f | 131 | return 0; |
GregNash | 11:78a28ca6409f | 132 | } |
GregNash | 11:78a28ca6409f | 133 | |
kylerodgers | 13:f827f384f0a1 | 134 | // Send AT+CSQ until we get a good signal |
GregNash | 11:78a28ca6409f | 135 | int GetCSQResponse() |
GregNash | 11:78a28ca6409f | 136 | { |
GregNash | 11:78a28ca6409f | 137 | do { |
GregNash | 11:78a28ca6409f | 138 | skywire.printf("AT+CSQ\r"); |
GregNash | 11:78a28ca6409f | 139 | WaitForResponse("OK"); |
GregNash | 11:78a28ca6409f | 140 | csq[0]=rx_line[6]; |
GregNash | 11:78a28ca6409f | 141 | csq[1]=rx_line[7]; |
GregNash | 11:78a28ca6409f | 142 | csq_val=atoi(csq); |
GregNash | 11:78a28ca6409f | 143 | } while (!strncmp(rx_line, "CSQ: 99,", 8)); |
GregNash | 11:78a28ca6409f | 144 | return csq_val; |
GregNash | 11:78a28ca6409f | 145 | } |
GregNash | 11:78a28ca6409f | 146 | |
kholland | 10:5974a7b2cf38 | 147 | int main() |
kholland | 0:3095958bc639 | 148 | { |
GregNash | 11:78a28ca6409f | 149 | red_LED = 1; |
GregNash | 11:78a28ca6409f | 150 | |
kholland | 0:3095958bc639 | 151 | float temp; |
kylerodgers | 7:00d66e743603 | 152 | float humi; |
GregNash | 11:78a28ca6409f | 153 | float photo; |
kholland | 0:3095958bc639 | 154 | |
kholland | 10:5974a7b2cf38 | 155 | // Setup serial comms with Skywire and PC |
kholland | 0:3095958bc639 | 156 | debug_pc.baud(115200); |
kylerodgers | 13:f827f384f0a1 | 157 | skywire.baud(921600); |
kylerodgers | 13:f827f384f0a1 | 158 | skywire_rts = 0; |
kholland | 10:5974a7b2cf38 | 159 | debug_pc.printf("SystemCoreClock = %d Hz\r\n", SystemCoreClock); |
kylerodgers | 13:f827f384f0a1 | 160 | debug_pc.printf("Attaching interrupt...\r\n"); |
kholland | 3:4b2176f6474c | 161 | skywire.attach(&Skywire_Rx_interrupt, Serial::RxIrq); |
kylerodgers | 13:f827f384f0a1 | 162 | debug_pc.printf("Interrupt attached...\r\n"); |
kholland | 10:5974a7b2cf38 | 163 | |
kylerodgers | 13:f827f384f0a1 | 164 | // Reset the Skywire to get AT commands, and recover from any previous state |
kylerodgers | 13:f827f384f0a1 | 165 | debug_pc.printf("Resetting Skywire...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 166 | nRESET = 1; |
kylerodgers | 13:f827f384f0a1 | 167 | wait_ms(100); |
kylerodgers | 13:f827f384f0a1 | 168 | nRESET = 0; |
kylerodgers | 13:f827f384f0a1 | 169 | wait(3); |
kylerodgers | 13:f827f384f0a1 | 170 | debug_pc.printf("Resetting baud...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 171 | skywire.printf("\rAT+IPR=115200\r"); |
kylerodgers | 13:f827f384f0a1 | 172 | wait_ms(100); |
kylerodgers | 13:f827f384f0a1 | 173 | skywire.baud(115200); |
kylerodgers | 13:f827f384f0a1 | 174 | wait_ms(100); |
kylerodgers | 13:f827f384f0a1 | 175 | debug_pc.printf("Baud reset!\r\n"); |
kholland | 0:3095958bc639 | 176 | myled=0; |
kholland | 3:4b2176f6474c | 177 | debug_pc.printf("Starting Demo...\r\n"); |
kholland | 3:4b2176f6474c | 178 | debug_pc.printf("Waiting for Skywire to Boot...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 179 | green_LED = !green_LED; |
kholland | 3:4b2176f6474c | 180 | myled=1; |
kylerodgers | 13:f827f384f0a1 | 181 | wait_ms(100); |
kholland | 10:5974a7b2cf38 | 182 | |
kylerodgers | 13:f827f384f0a1 | 183 | debug_pc.printf("Sending AT\r\n"); |
kylerodgers | 13:f827f384f0a1 | 184 | skywire.printf("\rAT\r"); |
GregNash | 11:78a28ca6409f | 185 | WaitForResponse("OK"); |
kylerodgers | 13:f827f384f0a1 | 186 | WaitForResponse("+CEREG: 1"); |
GregNash | 11:78a28ca6409f | 187 | |
kylerodgers | 13:f827f384f0a1 | 188 | // Check CSQ |
GregNash | 11:78a28ca6409f | 189 | debug_pc.printf("Getting CSQ...\r\n"); |
GregNash | 11:78a28ca6409f | 190 | GetCSQResponse(); |
kylerodgers | 13:f827f384f0a1 | 191 | green_LED = !green_LED; |
GregNash | 11:78a28ca6409f | 192 | while(csq_val==99 || csq_val==0) |
GregNash | 11:78a28ca6409f | 193 | { |
GregNash | 11:78a28ca6409f | 194 | |
GregNash | 11:78a28ca6409f | 195 | debug_pc.printf("CSQ Value: %i\r\n",csq_val); |
GregNash | 11:78a28ca6409f | 196 | debug_pc.printf("No network sginal detected. \r\n"); |
GregNash | 11:78a28ca6409f | 197 | debug_pc.printf("Waiting for device to connect to the network. \r\n"); |
GregNash | 11:78a28ca6409f | 198 | debug_pc.printf("Please check antenna connections if network is not found after 30 seconds. \r\n"); |
GregNash | 11:78a28ca6409f | 199 | wait(1); |
GregNash | 11:78a28ca6409f | 200 | //add elapsed time |
GregNash | 11:78a28ca6409f | 201 | debug_pc.printf("Checking network connectrion. \r\n"); |
GregNash | 11:78a28ca6409f | 202 | GetCSQResponse(); |
GregNash | 11:78a28ca6409f | 203 | red_LED = !red_LED; |
GregNash | 11:78a28ca6409f | 204 | } |
GregNash | 11:78a28ca6409f | 205 | |
GregNash | 11:78a28ca6409f | 206 | debug_pc.printf("Network detected. Checking authorization...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 207 | skywire.printf("AT+CEREG?\r"); |
GregNash | 11:78a28ca6409f | 208 | WaitForResponse("OK"); |
kylerodgers | 7:00d66e743603 | 209 | |
kylerodgers | 13:f827f384f0a1 | 210 | //debug_pc.printf("Connecting to Network...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 211 | debug_pc.printf("Setting up socket...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 212 | skywire.printf("AT+SQNSCFG=3,3,300,90,600,50\r"); |
kylerodgers | 13:f827f384f0a1 | 213 | WaitForResponse("OK"); |
kholland | 10:5974a7b2cf38 | 214 | |
GregNash | 11:78a28ca6409f | 215 | red_LED = 1; |
GregNash | 11:78a28ca6409f | 216 | green_LED = 0; |
GregNash | 11:78a28ca6409f | 217 | |
kholland | 0:3095958bc639 | 218 | while(1) { |
kholland | 10:5974a7b2cf38 | 219 | // Green on to indicate code position |
kholland | 10:5974a7b2cf38 | 220 | // Start of loop. Either entered loop for the first time or just sent to dweet.io |
kholland | 10:5974a7b2cf38 | 221 | red_LED = 0; |
kholland | 10:5974a7b2cf38 | 222 | green_LED = 1; |
kylerodgers | 13:f827f384f0a1 | 223 | |
kylerodgers | 13:f827f384f0a1 | 224 | int retries = 0; |
kylerodgers | 13:f827f384f0a1 | 225 | while (retries < 5) { |
kylerodgers | 13:f827f384f0a1 | 226 | skywire.printf("AT+SQNSD=3,0,80,\"dweet.io\"\r"); |
kylerodgers | 13:f827f384f0a1 | 227 | if (WaitForResponse("CONNECT") == 1) { |
kylerodgers | 13:f827f384f0a1 | 228 | retries += 1; |
kylerodgers | 13:f827f384f0a1 | 229 | wait(1); |
kylerodgers | 13:f827f384f0a1 | 230 | } else |
kylerodgers | 13:f827f384f0a1 | 231 | break; |
GregNash | 11:78a28ca6409f | 232 | } |
kylerodgers | 13:f827f384f0a1 | 233 | |
kylerodgers | 13:f827f384f0a1 | 234 | //get temp and humi |
GregNash | 11:78a28ca6409f | 235 | temp=SHT30.cTemp(); |
GregNash | 11:78a28ca6409f | 236 | humi=SHT30.humidity(); |
GregNash | 11:78a28ca6409f | 237 | photo_trans_nEN=0; |
GregNash | 11:78a28ca6409f | 238 | photo=photo_trans*200; |
kholland | 10:5974a7b2cf38 | 239 | wait(1); |
kholland | 10:5974a7b2cf38 | 240 | |
kholland | 10:5974a7b2cf38 | 241 | // Check buttons for presses |
kholland | 10:5974a7b2cf38 | 242 | if (button1 == 0) |
kylerodgers | 13:f827f384f0a1 | 243 | sw1 = 1; |
kholland | 10:5974a7b2cf38 | 244 | else |
kylerodgers | 13:f827f384f0a1 | 245 | sw1 = 0; |
kholland | 3:4b2176f6474c | 246 | |
kholland | 10:5974a7b2cf38 | 247 | // Green on to indicate code position: |
kholland | 10:5974a7b2cf38 | 248 | // Sensors updated, have not sent to dweet.io |
kholland | 10:5974a7b2cf38 | 249 | red_LED = 1; |
kholland | 10:5974a7b2cf38 | 250 | green_LED = 0; |
kholland | 10:5974a7b2cf38 | 251 | |
kylerodgers | 13:f827f384f0a1 | 252 | if (retries != 5) { |
GregNash | 11:78a28ca6409f | 253 | debug_pc.printf("Sending information...\r\n"); |
GregNash | 11:78a28ca6409f | 254 | // Report the sensor data to dweet.io |
GregNash | 11:78a28ca6409f | 255 | skywire.printf("POST /dweet/for/%s?temp=%.3f&sw1=%d&photo=%.3f&humidity=%.3f HTTP/1.0\r\n\r\n", DeviceID, temp, sw1, photo, humi); |
GregNash | 11:78a28ca6409f | 256 | WaitForResponse("NO CARRIER"); |
kylerodgers | 13:f827f384f0a1 | 257 | } |
kylerodgers | 13:f827f384f0a1 | 258 | // } |
kylerodgers | 13:f827f384f0a1 | 259 | debug_pc.printf("Closing socket...\r\n"); |
kylerodgers | 13:f827f384f0a1 | 260 | skywire.printf("AT+SQNSH=3\r"); |
kylerodgers | 13:f827f384f0a1 | 261 | WaitForResponse("OK"); |
kylerodgers | 13:f827f384f0a1 | 262 | skywire.printf("AT+CGATT=0\r"); |
kylerodgers | 13:f827f384f0a1 | 263 | WaitForResponse("OK"); |
kylerodgers | 13:f827f384f0a1 | 264 | skywire.printf("AT+CGATT=1\r"); |
kylerodgers | 13:f827f384f0a1 | 265 | WaitForResponse("+CEREG: 1"); |
kholland | 10:5974a7b2cf38 | 266 | red_LED = 0; |
GregNash | 11:78a28ca6409f | 267 | green_LED = 1; |
kholland | 3:4b2176f6474c | 268 | } |
GregNash | 11:78a28ca6409f | 269 | } |