joey shelton / Mbed OS OT07_I2C_GUI_Firmware

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Dependencies:   SDFileSystem max32630fthr USBDevice

Fork of FTHR_SD_Demo by Maxim Integrated

main.cpp@27:87f7adba07d7, 2019-05-09 (annotated)

Committer:
cyberjoey
Date:
Thu May 09 19:14:00 2019 +0000
Revision:
27:87f7adba07d7
Parent:
26:9ae9d097253a
Child:
28:fe9385ce2d00
checkpoint for ROM ID changes and Read All Reg changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:60a522ae2e35 1 #include "mbed.h"
switches 1:90313362ec11 2 #include "SDFileSystem.h"
cyberjoey 9:36ba3626aab7 3 #include "max32630fthr.h"
cyberjoey 9:36ba3626aab7 4 #include "USBSerial.h"
cyberjoey 11:94a7379c0db8 5 #include <ctype.h>
switches 0:60a522ae2e35 6
cyberjoey 9:36ba3626aab7 7 #define PERIOD 10 // Logging period in seconds
cyberjoey 9:36ba3626aab7 8
cyberjoey 9:36ba3626aab7 9 //OT07 Registers
cyberjoey 9:36ba3626aab7 10 #define OT07_STATUS 0x00 // OT07 status regiter
cyberjoey 9:36ba3626aab7 11 #define OT07_INT_EN 0x01 // OT07 Interrupt Enable
cyberjoey 9:36ba3626aab7 12 #define OT07_FIFO_W 0x04 // OT07 FIFO Write Pointer
cyberjoey 9:36ba3626aab7 13 #define OT07_FIFO_R 0x05 // OT07 FIFO Read Pointer
cyberjoey 9:36ba3626aab7 14 #define OT07_FIFO_OF 0x06 // OT07 FIFO Overflow Counter
cyberjoey 9:36ba3626aab7 15 #define OT07_FIFO_COUNT 0x07 // OT07 FIFO Data Count
cyberjoey 9:36ba3626aab7 16 #define OT07_FIFO_DATA 0x08 // OT07 FIFO Data
cyberjoey 9:36ba3626aab7 17 #define OT07_FIFO_CNFG1 0x09 // OT07 FIFO Configuration 1 (FIFO_A_FULL)
cyberjoey 9:36ba3626aab7 18 #define OT07_FIFO_CNFG2 0x0A // OT07 FIFO Configuration 2
cyberjoey 9:36ba3626aab7 19 #define OT07_SYS 0x0C // OT07 System Configuration
cyberjoey 9:36ba3626aab7 20 #define OT07_ALARM_HIGH_MSB 0x10 // OT07 Alarm High MSB
cyberjoey 9:36ba3626aab7 21 #define OT07_ALARM_HIGH_LSB 0x11 // OT07 Alarm High LSB
cyberjoey 9:36ba3626aab7 22 #define OT07_ALARM_LOW_MSB 0x12 // OT07 Alarm Low MSB
cyberjoey 9:36ba3626aab7 23 #define OT07_ALARM_LOW_LSB 0x13 // OT07 Alarm LOW LSB
cyberjoey 17:401a5bb8d403 24 #define OT07_ADC_SETUP 0x14 // OT07 Temp Seneor Setup (ADC_RES[7:6]) & Convert Temperature [0]
cyberjoey 9:36ba3626aab7 25 #define OT07_GPIO_SETUP 0x20 // OT07 GPIO Setup, sets GPIO modes
cyberjoey 17:401a5bb8d403 26 #define OT07_GPIO_CTRL 0x21 // OT07 GPIO control
cyberjoey 26:9ae9d097253a 27 #define OT07_ROM_ID 0x31 // OT07 ROM_ID address of LSB?
cyberjoey 9:36ba3626aab7 28
cyberjoey 25:08b220797bd9 29 #define DEVICE_ACK 0
cyberjoey 25:08b220797bd9 30 #define DEVICE_NACK 1
cyberjoey 25:08b220797bd9 31 #define DEVICE_BAD_RESP 2
cyberjoey 9:36ba3626aab7 32
cyberjoey 9:36ba3626aab7 33 #define MAX_DEVICES 64 // Maximum number of rom devices allowed
cyberjoey 26:9ae9d097253a 34 #define ID_LENGTH 6 // Rom ID length in bytes
cyberjoey 9:36ba3626aab7 35
cyberjoey 9:36ba3626aab7 36
cyberjoey 9:36ba3626aab7 37 #define BS 8 // ASCII Back Space
cyberjoey 9:36ba3626aab7 38 #define CR 13 // ASCII Carriage Return
cyberjoey 9:36ba3626aab7 39
cyberjoey 17:401a5bb8d403 40 struct OT07_struct {
cyberjoey 26:9ae9d097253a 41 char rom_id[ID_LENGTH]; // device ROM ID
cyberjoey 17:401a5bb8d403 42 char I2C_address; // I2C addess, based on GPIO0 and GPIO1 at power up
cyberjoey 17:401a5bb8d403 43 };
cyberjoey 17:401a5bb8d403 44
cyberjoey 24:454dc350bb17 45 struct TempResponse {
cyberjoey 24:454dc350bb17 46 double tempC; // Temperature in °C
cyberjoey 24:454dc350bb17 47 int status; // Status of Temperature read. 0 for success, 1 for error
cyberjoey 24:454dc350bb17 48 };
cyberjoey 24:454dc350bb17 49
cyberjoey 10:148da21c297e 50 const char* settings_file = "/sd/settings.txt";
cyberjoey 22:fe94be11bae0 51 const char* log_file = "/sd/MAX30208Log.csv";
cyberjoey 10:148da21c297e 52
cyberjoey 9:36ba3626aab7 53 //global variable
cyberjoey 9:36ba3626aab7 54
cyberjoey 9:36ba3626aab7 55 //******************** init Feather Boared Hardware ***********************
cyberjoey 9:36ba3626aab7 56
cyberjoey 9:36ba3626aab7 57 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
cyberjoey 9:36ba3626aab7 58
cyberjoey 9:36ba3626aab7 59 //microSD logging file system setup
cyberjoey 9:36ba3626aab7 60 SDFileSystem sd(P0_5, P0_6, P0_4, P0_7, "sd"); // mosi, miso, sclk, cs
cyberjoey 9:36ba3626aab7 61
cyberjoey 9:36ba3626aab7 62 //SD card insertion detection pin
cyberjoey 9:36ba3626aab7 63 DigitalIn SDDetect(P2_2, PullUp);
cyberjoey 11:94a7379c0db8 64 InterruptIn SDInsert(P2_2);
cyberjoey 9:36ba3626aab7 65
cyberjoey 9:36ba3626aab7 66
cyberjoey 9:36ba3626aab7 67 // Virtual serial port over USB
cyberjoey 15:61dce4bef44f 68 USBSerial pc(0x0B6A, 0x0042, 0x0001, false);
cyberjoey 9:36ba3626aab7 69
cyberjoey 9:36ba3626aab7 70 // I2C setup
cyberjoey 9:36ba3626aab7 71 I2C i2c(P3_4,P3_5); // P3_4 -> I2C1_SDA, P3_5-> I2C1_SCL
cyberjoey 9:36ba3626aab7 72
cyberjoey 9:36ba3626aab7 73 //Timer setup
cyberjoey 9:36ba3626aab7 74 Ticker timer_1; // timer for blinking led heartbeat
cyberjoey 9:36ba3626aab7 75
cyberjoey 9:36ba3626aab7 76 bool tick_flag; // used for counting seconds
cyberjoey 9:36ba3626aab7 77 bool log_flag = false;
cyberjoey 9:36ba3626aab7 78 bool led_toggle_flag = false;
cyberjoey 9:36ba3626aab7 79 bool button_flag = false;
cyberjoey 11:94a7379c0db8 80 bool sd_insert_flag = false;
cyberjoey 9:36ba3626aab7 81 bool error_flag;
cyberjoey 9:36ba3626aab7 82 int error_ticks;
cyberjoey 9:36ba3626aab7 83
cyberjoey 9:36ba3626aab7 84 //LED blink setup
switches 1:90313362ec11 85 DigitalOut rLED(LED1);
switches 1:90313362ec11 86 DigitalOut gLED(LED2);
cyberjoey 9:36ba3626aab7 87 DigitalOut bLED(LED3);
switches 0:60a522ae2e35 88
cyberjoey 9:36ba3626aab7 89 InterruptIn button(SW1);
cyberjoey 9:36ba3626aab7 90
cyberjoey 9:36ba3626aab7 91
cyberjoey 9:36ba3626aab7 92 void LED_blink_callback(){ // LED Heart beat
cyberjoey 9:36ba3626aab7 93
cyberjoey 9:36ba3626aab7 94 led_toggle_flag = !led_toggle_flag;
cyberjoey 9:36ba3626aab7 95
cyberjoey 9:36ba3626aab7 96 if(log_flag) //if logging
cyberjoey 9:36ba3626aab7 97 {
cyberjoey 9:36ba3626aab7 98
cyberjoey 9:36ba3626aab7 99 if(led_toggle_flag)
cyberjoey 9:36ba3626aab7 100 {
cyberjoey 9:36ba3626aab7 101 //toggle red led
cyberjoey 9:36ba3626aab7 102 rLED = LED_ON;
cyberjoey 9:36ba3626aab7 103 }
cyberjoey 9:36ba3626aab7 104 else
cyberjoey 9:36ba3626aab7 105 {
cyberjoey 9:36ba3626aab7 106 rLED = LED_OFF;
cyberjoey 9:36ba3626aab7 107 gLED = LED_OFF;
cyberjoey 9:36ba3626aab7 108 bLED = LED_OFF;
cyberjoey 9:36ba3626aab7 109 }
cyberjoey 9:36ba3626aab7 110 }
cyberjoey 9:36ba3626aab7 111 else if(error_flag) //if error (no sd card)
cyberjoey 9:36ba3626aab7 112 {
cyberjoey 9:36ba3626aab7 113 if(led_toggle_flag)
cyberjoey 9:36ba3626aab7 114 {
cyberjoey 9:36ba3626aab7 115 //toggle red led
cyberjoey 9:36ba3626aab7 116 rLED = LED_ON;
cyberjoey 9:36ba3626aab7 117 gLED = LED_ON;
cyberjoey 9:36ba3626aab7 118 }
cyberjoey 9:36ba3626aab7 119 else
cyberjoey 9:36ba3626aab7 120 {
cyberjoey 9:36ba3626aab7 121 rLED = LED_OFF;
cyberjoey 9:36ba3626aab7 122 gLED = LED_OFF;
cyberjoey 9:36ba3626aab7 123 bLED = LED_OFF;
cyberjoey 9:36ba3626aab7 124 }
cyberjoey 9:36ba3626aab7 125 error_ticks--;
cyberjoey 9:36ba3626aab7 126 if(error_ticks <= 0)
cyberjoey 9:36ba3626aab7 127 error_flag = false;
cyberjoey 9:36ba3626aab7 128 }
cyberjoey 9:36ba3626aab7 129 else
cyberjoey 9:36ba3626aab7 130 {
cyberjoey 9:36ba3626aab7 131 if(led_toggle_flag)
cyberjoey 9:36ba3626aab7 132 {
cyberjoey 9:36ba3626aab7 133 //toggle teal leds
cyberjoey 9:36ba3626aab7 134 gLED = LED_ON;
cyberjoey 9:36ba3626aab7 135 bLED = LED_ON;
cyberjoey 9:36ba3626aab7 136 }
cyberjoey 9:36ba3626aab7 137 else
cyberjoey 9:36ba3626aab7 138 {
cyberjoey 9:36ba3626aab7 139 rLED = LED_OFF;
cyberjoey 9:36ba3626aab7 140 gLED = LED_OFF;
cyberjoey 9:36ba3626aab7 141 bLED = LED_OFF;
cyberjoey 9:36ba3626aab7 142 }
cyberjoey 9:36ba3626aab7 143 }
cyberjoey 9:36ba3626aab7 144
cyberjoey 9:36ba3626aab7 145 tick_flag = true;
cyberjoey 9:36ba3626aab7 146 }
cyberjoey 9:36ba3626aab7 147
cyberjoey 9:36ba3626aab7 148 void btn_pressed() //button pressed isr
cyberjoey 9:36ba3626aab7 149 {
cyberjoey 9:36ba3626aab7 150 button_flag = true;
cyberjoey 9:36ba3626aab7 151 }
cyberjoey 9:36ba3626aab7 152
cyberjoey 11:94a7379c0db8 153 void sd_insert() //sd_insert pressed isr
cyberjoey 11:94a7379c0db8 154 {
cyberjoey 11:94a7379c0db8 155 sd_insert_flag = true;
cyberjoey 11:94a7379c0db8 156 }
cyberjoey 11:94a7379c0db8 157
cyberjoey 9:36ba3626aab7 158
cyberjoey 9:36ba3626aab7 159 // *****************************************************************************
cyberjoey 9:36ba3626aab7 160 // Define CRC-8 Table
cyberjoey 9:36ba3626aab7 161 // *****************************************************************************
cyberjoey 9:36ba3626aab7 162
cyberjoey 9:36ba3626aab7 163 static unsigned char crc_table[] = {
cyberjoey 9:36ba3626aab7 164 0, 94,188,226, 97, 63,221,131,194,156,126, 32,163,253, 31, 65,
cyberjoey 9:36ba3626aab7 165 157,195, 33,127,252,162, 64, 30, 95, 1,227,189, 62, 96,130,220,
cyberjoey 9:36ba3626aab7 166 35,125,159,193, 66, 28,254,160,225,191, 93, 3,128,222, 60, 98,
cyberjoey 9:36ba3626aab7 167 190,224, 2, 92,223,129, 99, 61,124, 34,192,158, 29, 67,161,255,
cyberjoey 9:36ba3626aab7 168 70, 24,250,164, 39,121,155,197,132,218, 56,102,229,187, 89, 7,
cyberjoey 9:36ba3626aab7 169 219,133,103, 57,186,228, 6, 88, 25, 71,165,251,120, 38,196,154,
cyberjoey 9:36ba3626aab7 170 101, 59,217,135, 4, 90,184,230,167,249, 27, 69,198,152,122, 36,
cyberjoey 9:36ba3626aab7 171 248,166, 68, 26,153,199, 37,123, 58,100,134,216, 91, 5,231,185,
cyberjoey 9:36ba3626aab7 172 140,210, 48,110,237,179, 81, 15, 78, 16,242,172, 47,113,147,205,
cyberjoey 9:36ba3626aab7 173 17, 79,173,243,112, 46,204,146,211,141,111, 49,178,236, 14, 80,
cyberjoey 9:36ba3626aab7 174 175,241, 19, 77,206,144,114, 44,109, 51,209,143, 12, 82,176,238,
cyberjoey 9:36ba3626aab7 175 50,108,142,208, 83, 13,239,177,240,174, 76, 18,145,207, 45,115,
cyberjoey 9:36ba3626aab7 176 202,148,118, 40,171,245, 23, 73, 8, 86,180,234,105, 55,213,139,
cyberjoey 9:36ba3626aab7 177 87, 9,235,181, 54,104,138,212,149,203, 41,119,244,170, 72, 22,
cyberjoey 9:36ba3626aab7 178 233,183, 85, 11,136,214, 52,106, 43,117,151,201, 74, 20,246,168,
cyberjoey 9:36ba3626aab7 179 116, 42,200,150, 21, 75,169,247,182,232, 10, 84,215,137,107, 53};
cyberjoey 9:36ba3626aab7 180
cyberjoey 9:36ba3626aab7 181
cyberjoey 9:36ba3626aab7 182
cyberjoey 9:36ba3626aab7 183 // -----------------------------------------------------------------------------
cyberjoey 9:36ba3626aab7 184 // Calculate the CRC8 of the byte value provided with the current total
cyberjoey 9:36ba3626aab7 185 // calc_crc8(unsigned char, unsigned char) crc8 total, byte to add
cyberjoey 9:36ba3626aab7 186 // pass crc8 total = 0 to start new crc sum.
cyberjoey 9:36ba3626aab7 187
cyberjoey 9:36ba3626aab7 188 // Returns new crc8 total
cyberjoey 9:36ba3626aab7 189 // -----------------------------------------------------------------------------
cyberjoey 9:36ba3626aab7 190
cyberjoey 9:36ba3626aab7 191 unsigned char calc_crc8(unsigned char crc8, unsigned char value){
cyberjoey 9:36ba3626aab7 192
cyberjoey 9:36ba3626aab7 193 return crc_table[crc8 ^ value];
cyberjoey 9:36ba3626aab7 194 }
cyberjoey 9:36ba3626aab7 195
cyberjoey 9:36ba3626aab7 196 // *****************************************************************************
cyberjoey 17:401a5bb8d403 197 // OT07_write_register(char, char, char) writes single byte to OT07
cyberjoey 17:401a5bb8d403 198 // char I2C address
cyberjoey 17:401a5bb8d403 199 // char OT07 register address
cyberjoey 17:401a5bb8d403 200 // char data byte to be writen
cyberjoey 17:401a5bb8d403 201 // returns 0 on success ACK, 1 on NACK
cyberjoey 17:401a5bb8d403 202 // *****************************************************************************
cyberjoey 17:401a5bb8d403 203
cyberjoey 17:401a5bb8d403 204 int OT07_write_register(char I2C_add, char reg_add, char byte){
cyberjoey 17:401a5bb8d403 205 char data[2];
cyberjoey 17:401a5bb8d403 206 int error;
cyberjoey 17:401a5bb8d403 207 data[0] = reg_add;
cyberjoey 17:401a5bb8d403 208 data[1] = byte;
cyberjoey 17:401a5bb8d403 209 error = i2c.write(I2C_add,data,2);
cyberjoey 17:401a5bb8d403 210 //if(DEBUG)db.printf("wr[%02X %02X %d]\r\n", data[0], data[1], error);
cyberjoey 17:401a5bb8d403 211 return error;
cyberjoey 17:401a5bb8d403 212
cyberjoey 17:401a5bb8d403 213 }
cyberjoey 17:401a5bb8d403 214
cyberjoey 17:401a5bb8d403 215 /// ****************************************************************************
cyberjoey 17:401a5bb8d403 216 // OT07_write_register(char, char, char *, int) writes multiple bytes to OT07
cyberjoey 17:401a5bb8d403 217 // char I2C address
cyberjoey 17:401a5bb8d403 218 // char OT07 register address
cyberjoey 17:401a5bb8d403 219 // char * data vector of bytes to be written
cyberjoey 17:401a5bb8d403 220 // int number of bytes to write
cyberjoey 17:401a5bb8d403 221 // returns 0 on success ACK, 1 on NACK
cyberjoey 17:401a5bb8d403 222 // *****************************************************************************
cyberjoey 17:401a5bb8d403 223
cyberjoey 17:401a5bb8d403 224 int OT07_write_register(char I2C_add, char reg_add, char *bytes, int n){
cyberjoey 17:401a5bb8d403 225 int i;
cyberjoey 17:401a5bb8d403 226 //set start address
cyberjoey 17:401a5bb8d403 227 char data[16];
cyberjoey 17:401a5bb8d403 228 int error;
cyberjoey 17:401a5bb8d403 229 data[0] = reg_add;
cyberjoey 17:401a5bb8d403 230 for(i=1;i<=n;i++){
cyberjoey 17:401a5bb8d403 231 data[i] = bytes[i-1];
cyberjoey 17:401a5bb8d403 232 }
cyberjoey 17:401a5bb8d403 233 error = i2c.write(I2C_add,data,n+1); // send n bytes of data
cyberjoey 17:401a5bb8d403 234
cyberjoey 17:401a5bb8d403 235 return error;
cyberjoey 17:401a5bb8d403 236 }
cyberjoey 17:401a5bb8d403 237
cyberjoey 17:401a5bb8d403 238 // *****************************************************************************
cyberjoey 17:401a5bb8d403 239 // OT07_read_register(char, char, char *, int) writes single byte to OT07
cyberjoey 17:401a5bb8d403 240 // char I2C address
cyberjoey 17:401a5bb8d403 241 // char OT07 register address
cyberjoey 17:401a5bb8d403 242 // char * data vector for read bytes to be stored in
cyberjoey 17:401a5bb8d403 243 // int number of bytes to read
cyberjoey 17:401a5bb8d403 244 // returns 0 on success, 1 on fail
cyberjoey 17:401a5bb8d403 245 // *****************************************************************************
cyberjoey 17:401a5bb8d403 246
cyberjoey 17:401a5bb8d403 247 int OT07_read_register(char I2C_add, char reg_add, char *bytes, int n){
cyberjoey 17:401a5bb8d403 248 int error;
cyberjoey 17:401a5bb8d403 249 error = i2c.write(I2C_add,&reg_add,1,1);
cyberjoey 17:401a5bb8d403 250 if(error)return error;
cyberjoey 17:401a5bb8d403 251 error = i2c.read(I2C_add,bytes,n);
cyberjoey 17:401a5bb8d403 252 //if(DEBUG)db.printf("rr e[%d]\r\n",error);
cyberjoey 17:401a5bb8d403 253 return error;
cyberjoey 17:401a5bb8d403 254 }
cyberjoey 17:401a5bb8d403 255
cyberjoey 17:401a5bb8d403 256 // *****************************************************************************
cyberjoey 17:401a5bb8d403 257 // search_I2C_bus(OT07_struct *) searches I2C address 0xA0, 0xA2, 0xA4 and 0xA6
cyberjoey 17:401a5bb8d403 258 // OT07_struct * structure array to holds I2C address and rom_ids
cyberjoey 17:401a5bb8d403 259 // returns number of devices found
cyberjoey 17:401a5bb8d403 260 // *****************************************************************************
cyberjoey 17:401a5bb8d403 261
cyberjoey 17:401a5bb8d403 262 int search_I2C_bus(OT07_struct OT07[]){
cyberjoey 17:401a5bb8d403 263 char data[16];
cyberjoey 17:401a5bb8d403 264 char I2C_add;
cyberjoey 17:401a5bb8d403 265 //char GPIO;
cyberjoey 17:401a5bb8d403 266 int error;
cyberjoey 17:401a5bb8d403 267 int device_count = 0;
cyberjoey 17:401a5bb8d403 268 int i;
cyberjoey 17:401a5bb8d403 269 int j;
cyberjoey 17:401a5bb8d403 270 for(i = 0;i<4;i++){
cyberjoey 17:401a5bb8d403 271 I2C_add = 0xA0 + i*2;
cyberjoey 17:401a5bb8d403 272 error = OT07_read_register(I2C_add,0xff,data,1);
cyberjoey 17:401a5bb8d403 273
cyberjoey 17:401a5bb8d403 274 if(error == 0){
cyberjoey 17:401a5bb8d403 275 if(data[0] == 0x30){
cyberjoey 17:401a5bb8d403 276
cyberjoey 17:401a5bb8d403 277 OT07[device_count].I2C_address = I2C_add;
cyberjoey 17:401a5bb8d403 278
cyberjoey 26:9ae9d097253a 279 OT07_read_register(I2C_add,OT07_ROM_ID,data,ID_LENGTH);
cyberjoey 26:9ae9d097253a 280 for(j=ID_LENGTH-1;j>=0;j--){
cyberjoey 17:401a5bb8d403 281 OT07[device_count].rom_id[j] = data[j];
cyberjoey 17:401a5bb8d403 282
cyberjoey 17:401a5bb8d403 283 }
cyberjoey 17:401a5bb8d403 284 device_count++;
cyberjoey 17:401a5bb8d403 285 }
cyberjoey 17:401a5bb8d403 286 }
cyberjoey 17:401a5bb8d403 287
cyberjoey 17:401a5bb8d403 288 }
cyberjoey 17:401a5bb8d403 289 return device_count;
cyberjoey 17:401a5bb8d403 290 }
cyberjoey 17:401a5bb8d403 291
cyberjoey 17:401a5bb8d403 292 // *****************************************************************************
cyberjoey 17:401a5bb8d403 293 // convert_temperature(char) sends convert command to OT07 device
cyberjoey 17:401a5bb8d403 294 // char I2C address
cyberjoey 17:401a5bb8d403 295 // *****************************************************************************
cyberjoey 17:401a5bb8d403 296
cyberjoey 17:401a5bb8d403 297 void convert_temperature(char I2C_add){ // set convert bit to start conversion
cyberjoey 17:401a5bb8d403 298
cyberjoey 17:401a5bb8d403 299 char data[2];
cyberjoey 17:401a5bb8d403 300
cyberjoey 17:401a5bb8d403 301 //read ADC_SETUP register 0x14
cyberjoey 17:401a5bb8d403 302 OT07_read_register(I2C_add, OT07_ADC_SETUP,data,1);
cyberjoey 17:401a5bb8d403 303
cyberjoey 17:401a5bb8d403 304 //mask convert register value with 0x01 and write back register 0x14
cyberjoey 17:401a5bb8d403 305 OT07_write_register(I2C_add, OT07_ADC_SETUP, data[0]|0x01);
cyberjoey 17:401a5bb8d403 306 }
cyberjoey 17:401a5bb8d403 307
cyberjoey 17:401a5bb8d403 308 //******************************************************************************
cyberjoey 17:401a5bb8d403 309 // get_temperature(char) read temperature from OT07 device FIFO register
cyberjoey 17:401a5bb8d403 310 // char I2C address
cyberjoey 24:454dc350bb17 311 // returns TempResponse tempC = temperature in oC
cyberjoey 24:454dc350bb17 312 // status = register read result
cyberjoey 17:401a5bb8d403 313 //******************************************************************************
cyberjoey 17:401a5bb8d403 314
cyberjoey 24:454dc350bb17 315 TempResponse get_temperature(char I2C_add){
cyberjoey 17:401a5bb8d403 316 char data[2];
cyberjoey 17:401a5bb8d403 317 double T;
cyberjoey 17:401a5bb8d403 318 int count;
cyberjoey 24:454dc350bb17 319
cyberjoey 24:454dc350bb17 320 // Read temperature from FIFO, 2 bytes
cyberjoey 24:454dc350bb17 321 int error = OT07_read_register(I2C_add,OT07_FIFO_DATA,data,2);
cyberjoey 24:454dc350bb17 322
cyberjoey 17:401a5bb8d403 323 //calculate temperture from data
cyberjoey 17:401a5bb8d403 324 count = (int)(data[0]*256 + data[1]);
cyberjoey 17:401a5bb8d403 325 if (count >= 32768)count = count - 65536; // 2s comp
cyberjoey 17:401a5bb8d403 326 T = (double)count*0.005;
cyberjoey 24:454dc350bb17 327
cyberjoey 24:454dc350bb17 328 TempResponse resp;
cyberjoey 24:454dc350bb17 329 resp.tempC = T;
cyberjoey 24:454dc350bb17 330 resp.status = error; // 1 for nack/error. 0 for ack/success
cyberjoey 24:454dc350bb17 331 return resp;
cyberjoey 17:401a5bb8d403 332 }
cyberjoey 17:401a5bb8d403 333
cyberjoey 9:36ba3626aab7 334
cyberjoey 10:148da21c297e 335 void write_settings_file(int interval, bool device_logged[MAX_DEVICES])
cyberjoey 10:148da21c297e 336 {
cyberjoey 10:148da21c297e 337 FILE *fp = fopen(settings_file, "w");
cyberjoey 10:148da21c297e 338 if (fp != NULL)
cyberjoey 10:148da21c297e 339 {
cyberjoey 10:148da21c297e 340 fprintf(fp, "i %d\r\n", interval);
cyberjoey 10:148da21c297e 341
cyberjoey 10:148da21c297e 342 fprintf(fp, "d");
cyberjoey 10:148da21c297e 343
cyberjoey 10:148da21c297e 344 for(int i = 0; i < MAX_DEVICES; i++)
cyberjoey 10:148da21c297e 345 {
cyberjoey 10:148da21c297e 346 if(device_logged[i] == true)
cyberjoey 10:148da21c297e 347 {
cyberjoey 10:148da21c297e 348 fprintf(fp," %d", i);
cyberjoey 10:148da21c297e 349 }
cyberjoey 10:148da21c297e 350 }
cyberjoey 10:148da21c297e 351 fprintf(fp,"\r\n");
cyberjoey 10:148da21c297e 352
cyberjoey 10:148da21c297e 353 fclose(fp);
cyberjoey 10:148da21c297e 354 }
cyberjoey 10:148da21c297e 355 return;
cyberjoey 10:148da21c297e 356 }
cyberjoey 10:148da21c297e 357
cyberjoey 20:ba06efe24970 358 void clear_log_file()
cyberjoey 20:ba06efe24970 359 {
cyberjoey 21:0f358a702561 360 FILE *fp = fopen(log_file, "w");
cyberjoey 20:ba06efe24970 361 if (fp != NULL)
cyberjoey 20:ba06efe24970 362 {
cyberjoey 20:ba06efe24970 363 fclose(fp);
cyberjoey 20:ba06efe24970 364 }
cyberjoey 20:ba06efe24970 365 return;
cyberjoey 20:ba06efe24970 366 }
cyberjoey 20:ba06efe24970 367
cyberjoey 10:148da21c297e 368 bool print_settings_file()
cyberjoey 10:148da21c297e 369 {
cyberjoey 10:148da21c297e 370 FILE *fp = fopen(settings_file, "r");
cyberjoey 10:148da21c297e 371 if (fp != NULL)
cyberjoey 10:148da21c297e 372 {
cyberjoey 10:148da21c297e 373 pc.printf("*\r\n");
cyberjoey 10:148da21c297e 374
cyberjoey 10:148da21c297e 375 // Read contents from file
cyberjoey 10:148da21c297e 376 char c = fgetc(fp);
cyberjoey 11:94a7379c0db8 377
cyberjoey 10:148da21c297e 378 while (!feof(fp))
cyberjoey 10:148da21c297e 379 {
cyberjoey 10:148da21c297e 380 pc.printf("%c", c);
cyberjoey 10:148da21c297e 381 c = fgetc(fp);
cyberjoey 10:148da21c297e 382 }
cyberjoey 10:148da21c297e 383
cyberjoey 10:148da21c297e 384 pc.printf("*\r\n");
cyberjoey 10:148da21c297e 385
cyberjoey 10:148da21c297e 386 fclose(fp);
cyberjoey 10:148da21c297e 387 }
cyberjoey 10:148da21c297e 388 else
cyberjoey 10:148da21c297e 389 {
cyberjoey 10:148da21c297e 390 return false;
cyberjoey 10:148da21c297e 391 }
cyberjoey 10:148da21c297e 392 return true;
cyberjoey 10:148da21c297e 393 }
cyberjoey 10:148da21c297e 394
cyberjoey 10:148da21c297e 395 bool print_log_file()
cyberjoey 10:148da21c297e 396 {
cyberjoey 10:148da21c297e 397 FILE *fp = fopen(log_file, "r");
cyberjoey 10:148da21c297e 398 if (fp != NULL)
cyberjoey 10:148da21c297e 399 {
cyberjoey 10:148da21c297e 400 pc.printf("*\r\n");
cyberjoey 10:148da21c297e 401
cyberjoey 10:148da21c297e 402 // Read contents from file
cyberjoey 10:148da21c297e 403 char c = fgetc(fp);
cyberjoey 10:148da21c297e 404 while (!feof(fp))
cyberjoey 10:148da21c297e 405 {
cyberjoey 10:148da21c297e 406 pc.printf("%c", c);
cyberjoey 10:148da21c297e 407 c = fgetc(fp);
cyberjoey 10:148da21c297e 408 }
cyberjoey 10:148da21c297e 409
cyberjoey 10:148da21c297e 410 pc.printf("*\r\n");
cyberjoey 10:148da21c297e 411
cyberjoey 10:148da21c297e 412 fclose(fp);
cyberjoey 10:148da21c297e 413 }
cyberjoey 10:148da21c297e 414 else
cyberjoey 10:148da21c297e 415 {
cyberjoey 10:148da21c297e 416 return false;
cyberjoey 10:148da21c297e 417 }
cyberjoey 10:148da21c297e 418 return true;
cyberjoey 10:148da21c297e 419 }
cyberjoey 10:148da21c297e 420
cyberjoey 11:94a7379c0db8 421 int getline(char **lineptr, int *n, FILE *stream) {
cyberjoey 11:94a7379c0db8 422 char *bufptr = NULL;
cyberjoey 11:94a7379c0db8 423 char *p = bufptr;
cyberjoey 11:94a7379c0db8 424 size_t size;
cyberjoey 11:94a7379c0db8 425 int c;
cyberjoey 11:94a7379c0db8 426
cyberjoey 11:94a7379c0db8 427 if (lineptr == NULL) {
cyberjoey 11:94a7379c0db8 428 return -1;
cyberjoey 11:94a7379c0db8 429 }
cyberjoey 11:94a7379c0db8 430 if (stream == NULL) {
cyberjoey 11:94a7379c0db8 431 return -1;
cyberjoey 11:94a7379c0db8 432 }
cyberjoey 11:94a7379c0db8 433 if (n == NULL) {
cyberjoey 11:94a7379c0db8 434 return -1;
cyberjoey 11:94a7379c0db8 435 }
cyberjoey 11:94a7379c0db8 436 bufptr = *lineptr;
cyberjoey 11:94a7379c0db8 437 size = *n;
cyberjoey 11:94a7379c0db8 438
cyberjoey 11:94a7379c0db8 439 c = fgetc(stream);
cyberjoey 11:94a7379c0db8 440 if (c == EOF) {
cyberjoey 11:94a7379c0db8 441 return -1;
cyberjoey 11:94a7379c0db8 442 }
cyberjoey 11:94a7379c0db8 443 if (bufptr == NULL) {
cyberjoey 11:94a7379c0db8 444 bufptr = (char *)malloc(128);
cyberjoey 11:94a7379c0db8 445 if (bufptr == NULL) {
cyberjoey 11:94a7379c0db8 446 return -1;
cyberjoey 11:94a7379c0db8 447 }
cyberjoey 11:94a7379c0db8 448 size = 128;
cyberjoey 11:94a7379c0db8 449 }
cyberjoey 11:94a7379c0db8 450 p = bufptr;
cyberjoey 11:94a7379c0db8 451 while(c != EOF) {
cyberjoey 11:94a7379c0db8 452 if ((p - bufptr) > (size - 1)) {
cyberjoey 11:94a7379c0db8 453 size = size + 128;
cyberjoey 11:94a7379c0db8 454 bufptr = (char *)realloc(bufptr, size);
cyberjoey 11:94a7379c0db8 455 if (bufptr == NULL) {
cyberjoey 11:94a7379c0db8 456 return -1;
cyberjoey 11:94a7379c0db8 457 }
cyberjoey 11:94a7379c0db8 458 }
cyberjoey 11:94a7379c0db8 459 *p++ = c;
cyberjoey 11:94a7379c0db8 460 if (c == '\n') {
cyberjoey 11:94a7379c0db8 461 break;
cyberjoey 11:94a7379c0db8 462 }
cyberjoey 11:94a7379c0db8 463 c = fgetc(stream);
cyberjoey 11:94a7379c0db8 464 }
cyberjoey 11:94a7379c0db8 465
cyberjoey 11:94a7379c0db8 466 *p++ = '\0';
cyberjoey 11:94a7379c0db8 467 *lineptr = bufptr;
cyberjoey 11:94a7379c0db8 468 *n = size;
cyberjoey 11:94a7379c0db8 469
cyberjoey 11:94a7379c0db8 470 return p - bufptr - 1;
cyberjoey 11:94a7379c0db8 471 }
cyberjoey 11:94a7379c0db8 472
cyberjoey 14:480f2398fe6a 473 bool print_settings_file_2()
cyberjoey 14:480f2398fe6a 474 {
cyberjoey 14:480f2398fe6a 475 char * line = NULL;
cyberjoey 14:480f2398fe6a 476 int len = 0;
cyberjoey 14:480f2398fe6a 477
cyberjoey 14:480f2398fe6a 478 FILE *fp = fopen(settings_file, "r");
cyberjoey 14:480f2398fe6a 479 if (fp != NULL)
cyberjoey 14:480f2398fe6a 480 {
cyberjoey 14:480f2398fe6a 481 pc.printf("*\r\n");
cyberjoey 14:480f2398fe6a 482
cyberjoey 14:480f2398fe6a 483 // Read contents from file
cyberjoey 14:480f2398fe6a 484 while ((getline(&line, &len, fp)) != -1)
cyberjoey 14:480f2398fe6a 485 {
cyberjoey 14:480f2398fe6a 486 pc.printf("%s", line);
cyberjoey 14:480f2398fe6a 487 }
cyberjoey 14:480f2398fe6a 488 pc.printf("*\r\n");
cyberjoey 14:480f2398fe6a 489
cyberjoey 14:480f2398fe6a 490 fclose(fp);
cyberjoey 14:480f2398fe6a 491 }
cyberjoey 14:480f2398fe6a 492 else
cyberjoey 14:480f2398fe6a 493 {
cyberjoey 14:480f2398fe6a 494 return false;
cyberjoey 14:480f2398fe6a 495 }
cyberjoey 14:480f2398fe6a 496 return true;
cyberjoey 14:480f2398fe6a 497 }
cyberjoey 14:480f2398fe6a 498
cyberjoey 11:94a7379c0db8 499 //returns true if settings file exists and is in the proper format
cyberjoey 11:94a7379c0db8 500 bool apply_settings_file(bool (&logged_devices)[MAX_DEVICES], int& interval)
cyberjoey 11:94a7379c0db8 501 {
cyberjoey 11:94a7379c0db8 502
cyberjoey 11:94a7379c0db8 503 char * line = NULL;
cyberjoey 11:94a7379c0db8 504 int len = 0;
cyberjoey 11:94a7379c0db8 505 int line_number = 0;
cyberjoey 11:94a7379c0db8 506
cyberjoey 11:94a7379c0db8 507
cyberjoey 11:94a7379c0db8 508 FILE *fp = fopen("/sd/settings.txt", "r");
cyberjoey 11:94a7379c0db8 509 if (fp != NULL)
cyberjoey 11:94a7379c0db8 510 {
cyberjoey 11:94a7379c0db8 511
cyberjoey 11:94a7379c0db8 512 //initialize devices to all false;
cyberjoey 11:94a7379c0db8 513 for(int i = 0; i < MAX_DEVICES; i++)
cyberjoey 11:94a7379c0db8 514 {
cyberjoey 11:94a7379c0db8 515 logged_devices[i] = false;
cyberjoey 11:94a7379c0db8 516 }
cyberjoey 11:94a7379c0db8 517
cyberjoey 11:94a7379c0db8 518 // Read contents from file
cyberjoey 11:94a7379c0db8 519 while ((getline(&line, &len, fp)) != -1)
cyberjoey 11:94a7379c0db8 520 {
cyberjoey 11:94a7379c0db8 521 line_number++;
cyberjoey 11:94a7379c0db8 522
cyberjoey 11:94a7379c0db8 523 char i = 0;
cyberjoey 11:94a7379c0db8 524 char c = line[i];
cyberjoey 11:94a7379c0db8 525 while(c != '\0')
cyberjoey 11:94a7379c0db8 526 {
cyberjoey 11:94a7379c0db8 527 int number;
cyberjoey 11:94a7379c0db8 528 int n;
cyberjoey 11:94a7379c0db8 529 sscanf((line+i), "%d%n", &number, &n);
cyberjoey 11:94a7379c0db8 530 if(isdigit(c))
cyberjoey 11:94a7379c0db8 531 {
cyberjoey 11:94a7379c0db8 532 if(line_number == 1)
cyberjoey 11:94a7379c0db8 533 {
cyberjoey 11:94a7379c0db8 534 interval = number;
cyberjoey 11:94a7379c0db8 535 }
cyberjoey 11:94a7379c0db8 536 else if(line_number == 2)
cyberjoey 11:94a7379c0db8 537 {
cyberjoey 11:94a7379c0db8 538 logged_devices[number] = true;
cyberjoey 11:94a7379c0db8 539 }
cyberjoey 11:94a7379c0db8 540 if(n > 1)
cyberjoey 11:94a7379c0db8 541 i = i + (n - 1);
cyberjoey 11:94a7379c0db8 542 }
cyberjoey 11:94a7379c0db8 543 i++;
cyberjoey 11:94a7379c0db8 544 c = line[i];
cyberjoey 11:94a7379c0db8 545 }
cyberjoey 11:94a7379c0db8 546 }
cyberjoey 11:94a7379c0db8 547
cyberjoey 11:94a7379c0db8 548 fclose(fp);
cyberjoey 11:94a7379c0db8 549 }
cyberjoey 11:94a7379c0db8 550 else
cyberjoey 11:94a7379c0db8 551 {
cyberjoey 11:94a7379c0db8 552 return false;
cyberjoey 11:94a7379c0db8 553 }
cyberjoey 11:94a7379c0db8 554
cyberjoey 11:94a7379c0db8 555 return true;
cyberjoey 11:94a7379c0db8 556
cyberjoey 11:94a7379c0db8 557 }
cyberjoey 11:94a7379c0db8 558
cyberjoey 9:36ba3626aab7 559 //******************************************************************************
cyberjoey 9:36ba3626aab7 560 // main()
cyberjoey 9:36ba3626aab7 561 //******************************************************************************
cyberjoey 9:36ba3626aab7 562
cyberjoey 9:36ba3626aab7 563
switches 0:60a522ae2e35 564 int main()
switches 0:60a522ae2e35 565 {
cyberjoey 17:401a5bb8d403 566 OT07_struct OT07[4]; // structure that holds I2C address and ROM_ID
cyberjoey 9:36ba3626aab7 567 char data[130];
cyberjoey 9:36ba3626aab7 568 int device_count = 0; // number of OW devices found by search_rom()
cyberjoey 9:36ba3626aab7 569 int i;
cyberjoey 9:36ba3626aab7 570 int j;
cyberjoey 9:36ba3626aab7 571 int k;
cyberjoey 9:36ba3626aab7 572
cyberjoey 9:36ba3626aab7 573
cyberjoey 9:36ba3626aab7 574 char device_id[ID_LENGTH]; //8 byte rom id of current slected device
cyberjoey 9:36ba3626aab7 575 char rom_id_list[MAX_DEVICES][ID_LENGTH]; //List of rom id for each device on OW bus
cyberjoey 9:36ba3626aab7 576
cyberjoey 24:454dc350bb17 577 TempResponse T[MAX_DEVICES];
cyberjoey 9:36ba3626aab7 578
cyberjoey 10:148da21c297e 579 bool device_logged[MAX_DEVICES];
cyberjoey 11:94a7379c0db8 580 //initialize device_logged to all false;
cyberjoey 11:94a7379c0db8 581 for(int i = 0; i < MAX_DEVICES; i++)
cyberjoey 11:94a7379c0db8 582 {
cyberjoey 11:94a7379c0db8 583 device_logged[i] = false;
cyberjoey 11:94a7379c0db8 584 }
cyberjoey 10:148da21c297e 585
cyberjoey 9:36ba3626aab7 586 // i/o variables
cyberjoey 9:36ba3626aab7 587 char rx_buff[128]; // comport input buffer
cyberjoey 9:36ba3626aab7 588 int rx_index; // rx_buffer pointer
cyberjoey 9:36ba3626aab7 589 char c; // command type character
cyberjoey 9:36ba3626aab7 590 int n; // argument count
cyberjoey 9:36ba3626aab7 591 int arg1; // argumnet 1
cyberjoey 9:36ba3626aab7 592 int arg2; // argument 2
cyberjoey 9:36ba3626aab7 593 int device; // device argument
cyberjoey 9:36ba3626aab7 594 int num_bytes;
cyberjoey 9:36ba3626aab7 595
cyberjoey 9:36ba3626aab7 596 int time_count;
cyberjoey 9:36ba3626aab7 597 int log_interval = PERIOD;
cyberjoey 9:36ba3626aab7 598 int time_to_sample;
cyberjoey 9:36ba3626aab7 599
cyberjoey 11:94a7379c0db8 600 apply_settings_file(device_logged, log_interval);
cyberjoey 11:94a7379c0db8 601
cyberjoey 9:36ba3626aab7 602 //************* init ticker timer callbacks ****************
cyberjoey 12:aa9fff0aec91 603 timer_1.attach(&LED_blink_callback,0.5); //start ticker, once per sec.
cyberjoey 9:36ba3626aab7 604
cyberjoey 9:36ba3626aab7 605
cyberjoey 12:aa9fff0aec91 606 i2c.frequency(400000); //set I2C clock to 400kHz
cyberjoey 9:36ba3626aab7 607
cyberjoey 9:36ba3626aab7 608 rLED = LED_OFF;
switches 6:96d8d823e292 609 gLED = LED_ON;
cyberjoey 9:36ba3626aab7 610 bLED = LED_ON;
cyberjoey 26:9ae9d097253a 611
cyberjoey 26:9ae9d097253a 612 // ****************** search for all devices on bus *****************
cyberjoey 9:36ba3626aab7 613
cyberjoey 17:401a5bb8d403 614 device_count = search_I2C_bus(OT07);
cyberjoey 9:36ba3626aab7 615
cyberjoey 9:36ba3626aab7 616 rx_index = 0; //character buffer index for input from PC
cyberjoey 9:36ba3626aab7 617
cyberjoey 9:36ba3626aab7 618 button.fall(&btn_pressed);
cyberjoey 11:94a7379c0db8 619 SDInsert.fall(&sd_insert);
cyberjoey 11:94a7379c0db8 620
cyberjoey 11:94a7379c0db8 621 sd.disk_initialize(); //initialize sd card
cyberjoey 9:36ba3626aab7 622
cyberjoey 9:36ba3626aab7 623 while(1) { // start main loop, take data if logging, check for input, repeat
cyberjoey 9:36ba3626aab7 624
cyberjoey 11:94a7379c0db8 625 if(sd_insert_flag == true)
cyberjoey 11:94a7379c0db8 626 {
cyberjoey 11:94a7379c0db8 627 sd.disk_initialize();
cyberjoey 11:94a7379c0db8 628 sd_insert_flag = false;
cyberjoey 11:94a7379c0db8 629 }
cyberjoey 11:94a7379c0db8 630
cyberjoey 9:36ba3626aab7 631 if(button_flag == true)
cyberjoey 9:36ba3626aab7 632 {
cyberjoey 9:36ba3626aab7 633 if(log_flag == false){ //start logging
cyberjoey 9:36ba3626aab7 634
cyberjoey 9:36ba3626aab7 635 if(SDDetect)//if SD card not detected
cyberjoey 9:36ba3626aab7 636 {
cyberjoey 9:36ba3626aab7 637 error_flag = true;
cyberjoey 9:36ba3626aab7 638 error_ticks = 6;
cyberjoey 9:36ba3626aab7 639 log_flag = false;
cyberjoey 9:36ba3626aab7 640 }
cyberjoey 9:36ba3626aab7 641 else
cyberjoey 9:36ba3626aab7 642 {
cyberjoey 11:94a7379c0db8 643 apply_settings_file(device_logged, log_interval);
cyberjoey 11:94a7379c0db8 644
cyberjoey 10:148da21c297e 645 FILE *fp = fopen(log_file, "a");
cyberjoey 9:36ba3626aab7 646 if (fp != NULL)
cyberjoey 9:36ba3626aab7 647 {
cyberjoey 17:401a5bb8d403 648 fprintf(fp,"Device List\r\n");
cyberjoey 27:87f7adba07d7 649 fprintf(fp,"Device Number,Address,Unique ID\r\n");
cyberjoey 17:401a5bb8d403 650 for(j=0;j<device_count;j++)
cyberjoey 17:401a5bb8d403 651 {
cyberjoey 17:401a5bb8d403 652 if(device_logged[j])
cyberjoey 17:401a5bb8d403 653 {
cyberjoey 23:aa2407a3b30d 654 fprintf(fp,"%d,0x%02X,0x",j, OT07[j].I2C_address);
cyberjoey 26:9ae9d097253a 655 for(i=ID_LENGTH-1;i>=0;i--)
cyberjoey 17:401a5bb8d403 656 {
cyberjoey 21:0f358a702561 657 fprintf(fp,"%02X",OT07[j].rom_id[i]);
cyberjoey 17:401a5bb8d403 658 }
cyberjoey 17:401a5bb8d403 659 fprintf(fp,"\r\n");
cyberjoey 17:401a5bb8d403 660 }
cyberjoey 17:401a5bb8d403 661 }
cyberjoey 23:aa2407a3b30d 662 fprintf(fp, "Temperature Log\r\n");
cyberjoey 23:aa2407a3b30d 663 fprintf(fp, "Time (s)");
cyberjoey 9:36ba3626aab7 664
cyberjoey 9:36ba3626aab7 665 for(j=0;j<device_count;j++)
cyberjoey 9:36ba3626aab7 666 {
cyberjoey 11:94a7379c0db8 667 if(device_logged[j])
cyberjoey 16:2f373d3c8214 668 fprintf(fp,",Device %d Temperature (C)",j);
cyberjoey 9:36ba3626aab7 669 }
cyberjoey 9:36ba3626aab7 670 fprintf(fp,"\r\n");
cyberjoey 9:36ba3626aab7 671
cyberjoey 9:36ba3626aab7 672 fclose(fp);
cyberjoey 9:36ba3626aab7 673 }
cyberjoey 9:36ba3626aab7 674
cyberjoey 9:36ba3626aab7 675 time_count = 0;
cyberjoey 9:36ba3626aab7 676
cyberjoey 9:36ba3626aab7 677 time_to_sample = 0; // force sample at time = 0;
cyberjoey 9:36ba3626aab7 678 tick_flag = true; // force sample at time = 0;
cyberjoey 9:36ba3626aab7 679 log_flag = true;
cyberjoey 9:36ba3626aab7 680 }
cyberjoey 9:36ba3626aab7 681 }else{
cyberjoey 9:36ba3626aab7 682 log_flag = false;
cyberjoey 9:36ba3626aab7 683 }
cyberjoey 9:36ba3626aab7 684 button_flag = false;
cyberjoey 9:36ba3626aab7 685 }
switches 1:90313362ec11 686
cyberjoey 9:36ba3626aab7 687 while(tick_flag == false){ //check for input while waiting for next tick
cyberjoey 9:36ba3626aab7 688
cyberjoey 9:36ba3626aab7 689 // ----------------------------------------------------------------------------
cyberjoey 9:36ba3626aab7 690 // test for charater input for USB com port
cyberjoey 9:36ba3626aab7 691 // ----------------------------------------------------------------------------
cyberjoey 9:36ba3626aab7 692
cyberjoey 9:36ba3626aab7 693 //test if PC sent some charaters
cyberjoey 9:36ba3626aab7 694 while(pc.readable()){ //characters in buffer, get them
cyberjoey 9:36ba3626aab7 695 rx_buff[rx_index] = pc.getc();
cyberjoey 9:36ba3626aab7 696
cyberjoey 9:36ba3626aab7 697 if(rx_buff[rx_index] == CR){
cyberjoey 9:36ba3626aab7 698 rx_buff[++rx_index] = 0;
cyberjoey 9:36ba3626aab7 699 rx_index = -1; // because i++ at end of while give i=0 on next loop
cyberjoey 9:36ba3626aab7 700 device = 0;
cyberjoey 9:36ba3626aab7 701 arg1 = 0;
cyberjoey 9:36ba3626aab7 702 arg2 = 0;
cyberjoey 9:36ba3626aab7 703
cyberjoey 9:36ba3626aab7 704 n = sscanf(rx_buff, " %c %d %x %x", &c, & device, &arg1, &arg2);
cyberjoey 9:36ba3626aab7 705 //process input
cyberjoey 9:36ba3626aab7 706 if(n > 0){//got input so process it
cyberjoey 9:36ba3626aab7 707 switch(c){
cyberjoey 9:36ba3626aab7 708 case 'a':
cyberjoey 26:9ae9d097253a 709 case 'A':
cyberjoey 9:36ba3626aab7 710 break;
cyberjoey 11:94a7379c0db8 711 case 'c':
cyberjoey 11:94a7379c0db8 712 case 'C':
cyberjoey 11:94a7379c0db8 713 if(!SDDetect)
cyberjoey 11:94a7379c0db8 714 pc.printf("y\r\n");
cyberjoey 11:94a7379c0db8 715 else
cyberjoey 11:94a7379c0db8 716 pc.printf("n\r\n");
cyberjoey 11:94a7379c0db8 717 break;
cyberjoey 10:148da21c297e 718 case 'd':
cyberjoey 10:148da21c297e 719 case 'D':
cyberjoey 10:148da21c297e 720 if(n==1) // if no device number is given
cyberjoey 10:148da21c297e 721 {
cyberjoey 10:148da21c297e 722 //clear device_logged array
cyberjoey 10:148da21c297e 723 for(int i = 0; i < MAX_DEVICES; i++)
cyberjoey 10:148da21c297e 724 {
cyberjoey 10:148da21c297e 725 device_logged[i] = false;
cyberjoey 10:148da21c297e 726 }
cyberjoey 10:148da21c297e 727
cyberjoey 10:148da21c297e 728 write_settings_file(log_interval, device_logged);
cyberjoey 10:148da21c297e 729 }
cyberjoey 10:148da21c297e 730 if(n == 2)
cyberjoey 10:148da21c297e 731 {
cyberjoey 10:148da21c297e 732 device_logged[device] = true;
cyberjoey 10:148da21c297e 733 write_settings_file(log_interval, device_logged);
cyberjoey 10:148da21c297e 734 }
cyberjoey 10:148da21c297e 735 break;
cyberjoey 9:36ba3626aab7 736 case 'f':
cyberjoey 9:36ba3626aab7 737 case 'F': //f is for "flash" for microSD
cyberjoey 12:aa9fff0aec91 738 if(!SDDetect)
cyberjoey 9:36ba3626aab7 739 pc.printf("y\r\n");
cyberjoey 9:36ba3626aab7 740 else
cyberjoey 12:aa9fff0aec91 741 pc.printf("n\r\n");
cyberjoey 9:36ba3626aab7 742 break;
cyberjoey 10:148da21c297e 743 case 'g':
cyberjoey 10:148da21c297e 744 case 'G':
cyberjoey 10:148da21c297e 745 if(n == 2)
cyberjoey 10:148da21c297e 746 {
cyberjoey 21:0f358a702561 747 //0 means get config, 1 means get log, 2 means clear log
cyberjoey 10:148da21c297e 748 bool fileExists = false;
cyberjoey 10:148da21c297e 749 if(device == 0)//get config
cyberjoey 10:148da21c297e 750 {
cyberjoey 10:148da21c297e 751 fileExists = print_settings_file();
cyberjoey 10:148da21c297e 752 }
cyberjoey 10:148da21c297e 753 if(device == 1)//get log
cyberjoey 10:148da21c297e 754 {
cyberjoey 10:148da21c297e 755 fileExists = print_log_file();
cyberjoey 10:148da21c297e 756 }
cyberjoey 21:0f358a702561 757 if(device == 2)//get log
cyberjoey 21:0f358a702561 758 {
cyberjoey 21:0f358a702561 759 clear_log_file();
cyberjoey 21:0f358a702561 760 fileExists = true;
cyberjoey 21:0f358a702561 761 }
cyberjoey 10:148da21c297e 762 if(!fileExists)
cyberjoey 10:148da21c297e 763 {
cyberjoey 10:148da21c297e 764 pc.printf("no_file\r\n");
cyberjoey 10:148da21c297e 765 }
cyberjoey 10:148da21c297e 766 }
cyberjoey 20:ba06efe24970 767 // read all registers command
cyberjoey 20:ba06efe24970 768 //i.e. ("g 0 0" means readAll from device 0 "g 1 0" means readAll from device 1)
cyberjoey 20:ba06efe24970 769 if(n == 3)
cyberjoey 20:ba06efe24970 770 {
cyberjoey 20:ba06efe24970 771 //device holds device number 0 means readAll command
cyberjoey 20:ba06efe24970 772 OT07_read_register(OT07[device].I2C_address,0x00,data,1);
cyberjoey 20:ba06efe24970 773 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x00,data[0]);
cyberjoey 20:ba06efe24970 774 OT07_read_register(OT07[device].I2C_address,0x01,data,1);
cyberjoey 20:ba06efe24970 775 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x01,data[0]);
cyberjoey 20:ba06efe24970 776 OT07_read_register(OT07[device].I2C_address,0x04,data,1);
cyberjoey 20:ba06efe24970 777 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x04,data[0]);
cyberjoey 20:ba06efe24970 778 OT07_read_register(OT07[device].I2C_address,0x05,data,1);
cyberjoey 20:ba06efe24970 779 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x05,data[0]);
cyberjoey 20:ba06efe24970 780 OT07_read_register(OT07[device].I2C_address,0x06,data,1);
cyberjoey 20:ba06efe24970 781 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x06,data[0]);
cyberjoey 20:ba06efe24970 782 OT07_read_register(OT07[device].I2C_address,0x07,data,1);
cyberjoey 20:ba06efe24970 783 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x07,data[0]);
cyberjoey 20:ba06efe24970 784 OT07_read_register(OT07[device].I2C_address,0x08,data,1);
cyberjoey 20:ba06efe24970 785 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x08,data[0]);
cyberjoey 20:ba06efe24970 786 OT07_read_register(OT07[device].I2C_address,0x09,data,1);
cyberjoey 20:ba06efe24970 787 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x09,data[0]);
cyberjoey 20:ba06efe24970 788 OT07_read_register(OT07[device].I2C_address,0x0A,data,1);
cyberjoey 20:ba06efe24970 789 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x0A,data[0]);
cyberjoey 20:ba06efe24970 790 OT07_read_register(OT07[device].I2C_address,0x0C,data,1);
cyberjoey 20:ba06efe24970 791 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x0C,data[0]);
cyberjoey 20:ba06efe24970 792 OT07_read_register(OT07[device].I2C_address,0x10,data,1);
cyberjoey 20:ba06efe24970 793 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x10,data[0]);
cyberjoey 20:ba06efe24970 794 OT07_read_register(OT07[device].I2C_address,0x11,data,1);
cyberjoey 20:ba06efe24970 795 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x11,data[0]);
cyberjoey 20:ba06efe24970 796 OT07_read_register(OT07[device].I2C_address,0x12,data,1);
cyberjoey 20:ba06efe24970 797 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x12,data[0]);
cyberjoey 20:ba06efe24970 798 OT07_read_register(OT07[device].I2C_address,0x13,data,1);
cyberjoey 20:ba06efe24970 799 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x13,data[0]);
cyberjoey 20:ba06efe24970 800 OT07_read_register(OT07[device].I2C_address,0x14,data,1);
cyberjoey 20:ba06efe24970 801 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x14,data[0]);
cyberjoey 20:ba06efe24970 802 OT07_read_register(OT07[device].I2C_address,0x20,data,1);
cyberjoey 20:ba06efe24970 803 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x20,data[0]);
cyberjoey 20:ba06efe24970 804 OT07_read_register(OT07[device].I2C_address,0x21,data,1);
cyberjoey 20:ba06efe24970 805 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x21,data[0]);
cyberjoey 27:87f7adba07d7 806 //OT07_read_register(OT07[device].I2C_address,0x30,data,1);
cyberjoey 27:87f7adba07d7 807 //pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x30,data[0]);
cyberjoey 20:ba06efe24970 808 OT07_read_register(OT07[device].I2C_address,0x31,data,1);
cyberjoey 20:ba06efe24970 809 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x31,data[0]);
cyberjoey 20:ba06efe24970 810 OT07_read_register(OT07[device].I2C_address,0x32,data,1);
cyberjoey 20:ba06efe24970 811 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x32,data[0]);
cyberjoey 20:ba06efe24970 812 OT07_read_register(OT07[device].I2C_address,0x33,data,1);
cyberjoey 20:ba06efe24970 813 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x33,data[0]);
cyberjoey 20:ba06efe24970 814 OT07_read_register(OT07[device].I2C_address,0x34,data,1);
cyberjoey 20:ba06efe24970 815 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x34,data[0]);
cyberjoey 20:ba06efe24970 816 OT07_read_register(OT07[device].I2C_address,0x35,data,1);
cyberjoey 20:ba06efe24970 817 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x35,data[0]);
cyberjoey 20:ba06efe24970 818 OT07_read_register(OT07[device].I2C_address,0x36,data,1);
cyberjoey 20:ba06efe24970 819 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x36,data[0]);
cyberjoey 27:87f7adba07d7 820 //OT07_read_register(OT07[device].I2C_address,0x37,data,1);
cyberjoey 27:87f7adba07d7 821 //pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0x37,data[0]);
cyberjoey 20:ba06efe24970 822 OT07_read_register(OT07[device].I2C_address,0xFF,data,1);
cyberjoey 20:ba06efe24970 823 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,0xFF,data[0]);
cyberjoey 20:ba06efe24970 824 }
cyberjoey 10:148da21c297e 825 break;
cyberjoey 9:36ba3626aab7 826 case 'i':
cyberjoey 9:36ba3626aab7 827 case 'I': //Set Logging sample intreval in seconds
cyberjoey 9:36ba3626aab7 828
cyberjoey 9:36ba3626aab7 829 log_interval = device;
cyberjoey 9:36ba3626aab7 830 if(log_interval < 1)log_interval = 1;
cyberjoey 10:148da21c297e 831 if(log_interval > 60)log_interval = 60;
cyberjoey 10:148da21c297e 832 write_settings_file(log_interval, device_logged);
cyberjoey 9:36ba3626aab7 833 break;
cyberjoey 9:36ba3626aab7 834 case 'l':
cyberjoey 17:401a5bb8d403 835 case 'L':
cyberjoey 17:401a5bb8d403 836
cyberjoey 17:401a5bb8d403 837 /*
cyberjoey 17:401a5bb8d403 838 // Toggle logging
cyberjoey 9:36ba3626aab7 839
cyberjoey 9:36ba3626aab7 840 if(log_flag == false){ //start logging
cyberjoey 9:36ba3626aab7 841 if(SDDetect)//if SD card not detected
cyberjoey 9:36ba3626aab7 842 {
cyberjoey 9:36ba3626aab7 843 error_flag = true;
cyberjoey 9:36ba3626aab7 844 error_ticks = 6;
cyberjoey 9:36ba3626aab7 845 log_flag = false;
cyberjoey 9:36ba3626aab7 846 }
cyberjoey 9:36ba3626aab7 847 else
cyberjoey 9:36ba3626aab7 848 {
cyberjoey 10:148da21c297e 849 FILE *fp = fopen(log_file, "a");
cyberjoey 9:36ba3626aab7 850 if (fp != NULL)
cyberjoey 9:36ba3626aab7 851 {
cyberjoey 9:36ba3626aab7 852 fprintf(fp, "Time(s)");
cyberjoey 9:36ba3626aab7 853
cyberjoey 9:36ba3626aab7 854 for(j=0;j<device_count;j++)
cyberjoey 9:36ba3626aab7 855 {
cyberjoey 16:2f373d3c8214 856 fprintf(fp,",Device %d Temperature (C)",j);
cyberjoey 9:36ba3626aab7 857 }
cyberjoey 9:36ba3626aab7 858 fprintf(fp,"\r\n");
cyberjoey 9:36ba3626aab7 859
cyberjoey 9:36ba3626aab7 860 fclose(fp);
cyberjoey 9:36ba3626aab7 861 }
cyberjoey 9:36ba3626aab7 862
cyberjoey 9:36ba3626aab7 863 time_count = 0;
cyberjoey 9:36ba3626aab7 864
cyberjoey 9:36ba3626aab7 865 time_to_sample = 0; // force sample at time = 0;
cyberjoey 9:36ba3626aab7 866 tick_flag = true; // force sample at time = 0;
cyberjoey 9:36ba3626aab7 867 log_flag = true;
cyberjoey 9:36ba3626aab7 868 }
cyberjoey 9:36ba3626aab7 869 }else{
cyberjoey 9:36ba3626aab7 870 //pc.printf("<stop logging>\r\n");
cyberjoey 9:36ba3626aab7 871 log_flag = false;
cyberjoey 17:401a5bb8d403 872 }*/
cyberjoey 9:36ba3626aab7 873 break;
cyberjoey 9:36ba3626aab7 874 case 'P':
cyberjoey 9:36ba3626aab7 875 case 'p': // power down One Wire buss
cyberjoey 17:401a5bb8d403 876 /*if(n == 2){
cyberjoey 9:36ba3626aab7 877 if (device == 0){ // power down mode ON.
cyberjoey 9:36ba3626aab7 878 data[0] = WDC; // 0xD2 Write Device Config
cyberjoey 9:36ba3626aab7 879 data[1] = 0xD2; // 1101 0010 set 1WS = 0, SPU = 0, PDN = 1, APU = 0
cyberjoey 9:36ba3626aab7 880 i2c.write(DS2484_ADD,data,2,0);
cyberjoey 9:36ba3626aab7 881 pc.printf("<Power down DQ>\r\n");
cyberjoey 9:36ba3626aab7 882 }else{ // power down mode OFF
cyberjoey 9:36ba3626aab7 883 data[0] = WDC; // 0xD2 Write Device Config
cyberjoey 9:36ba3626aab7 884 data[1] = 0xE1; // 1110 0001 set 1WS = 0, SPU = 0, PDN = 0, APU = 1
cyberjoey 9:36ba3626aab7 885 i2c.write(DS2484_ADD,data,2,0);
cyberjoey 9:36ba3626aab7 886 pc.printf("<Power up DQ>\r\n");
cyberjoey 9:36ba3626aab7 887 }
cyberjoey 17:401a5bb8d403 888 }*/
cyberjoey 9:36ba3626aab7 889 break;
cyberjoey 9:36ba3626aab7 890 case 'r':
cyberjoey 17:401a5bb8d403 891 case 'R':
cyberjoey 17:401a5bb8d403 892 //read register "r device radd.start radd.end"
cyberjoey 9:36ba3626aab7 893 if(n==3){ //read single register from selected device
cyberjoey 17:401a5bb8d403 894 OT07_read_register(OT07[device].I2C_address,arg1,data,1);
cyberjoey 17:401a5bb8d403 895 pc.printf("device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,arg1,data[0]);
cyberjoey 9:36ba3626aab7 896 }
cyberjoey 9:36ba3626aab7 897 if(n==4){ //read a range of regesters from selected device
cyberjoey 9:36ba3626aab7 898 num_bytes = arg2-arg1 + 1; // calculate number of bytes to read
cyberjoey 9:36ba3626aab7 899 if (num_bytes < 1) num_bytes = 1; // if arg2 <= arg 1 just read arg1 address.
cyberjoey 17:401a5bb8d403 900 OT07_read_register(OT07[device].I2C_address,arg1,data,num_bytes);
cyberjoey 9:36ba3626aab7 901 for(i=0;i<num_bytes;i++){
cyberjoey 20:ba06efe24970 902 pc.printf("device[%02X] add[%02X] data[%02X]\r\n",device,arg1+i,data[i]);
cyberjoey 17:401a5bb8d403 903 }
cyberjoey 9:36ba3626aab7 904 }
cyberjoey 9:36ba3626aab7 905 break;
cyberjoey 9:36ba3626aab7 906
cyberjoey 9:36ba3626aab7 907 case 's':
cyberjoey 9:36ba3626aab7 908 case 'S': // search rom
cyberjoey 17:401a5bb8d403 909 // ****************** search for I2C devices on bus *****************
cyberjoey 17:401a5bb8d403 910 //NOTE: MUST ADD I2C ADDRESS TODO
cyberjoey 17:401a5bb8d403 911 device_count = search_I2C_bus(OT07);
cyberjoey 9:36ba3626aab7 912 pc.printf("%d devices:\r\n", device_count);
cyberjoey 9:36ba3626aab7 913 for(j=0;j<device_count;j++){
cyberjoey 27:87f7adba07d7 914 pc.printf("device[%02X] addr[%02X] unique id[",j, OT07[j].I2C_address);
cyberjoey 26:9ae9d097253a 915 for(i=ID_LENGTH-1;i>=0;i--){
cyberjoey 17:401a5bb8d403 916 pc.printf("%02X",OT07[j].rom_id[i]);
cyberjoey 9:36ba3626aab7 917 }
cyberjoey 9:36ba3626aab7 918 pc.printf("]\r\n");
cyberjoey 13:674c647d12dd 919 }
cyberjoey 17:401a5bb8d403 920
cyberjoey 9:36ba3626aab7 921 break;
cyberjoey 9:36ba3626aab7 922
cyberjoey 9:36ba3626aab7 923 case 'T':
cyberjoey 9:36ba3626aab7 924 case 't':
cyberjoey 17:401a5bb8d403 925
cyberjoey 17:401a5bb8d403 926 if(n == 2){//get temperatures from selected device
cyberjoey 17:401a5bb8d403 927
cyberjoey 17:401a5bb8d403 928 convert_temperature(OT07[device].I2C_address); //send OW convert selected device
cyberjoey 24:454dc350bb17 929 wait(0.02); //wait 20 ms for convert temperature to complete
cyberjoey 17:401a5bb8d403 930 T[device] = get_temperature(OT07[device].I2C_address);
cyberjoey 24:454dc350bb17 931 pc.printf("device[%02X] temperature[%.3f] status[%d]\r\n",device,T[device].tempC, T[device].status);
cyberjoey 17:401a5bb8d403 932 }
cyberjoey 17:401a5bb8d403 933
cyberjoey 17:401a5bb8d403 934 if(n == 3){ // "t 1 3" get temperature for devices 1 thru 3
cyberjoey 17:401a5bb8d403 935 //sprintf(str,"%x",arg1); //convert arg1 input as hex to decimal i.e. 0x10 becomes 10 dec
cyberjoey 17:401a5bb8d403 936 //sscanf(str,"%d",&arg1);
cyberjoey 17:401a5bb8d403 937 //IS THIS NEEDED? ^^^
cyberjoey 17:401a5bb8d403 938
cyberjoey 17:401a5bb8d403 939 for(j=device;j<=arg1;j++){
cyberjoey 17:401a5bb8d403 940 convert_temperature(OT07[j].I2C_address); //send convert to all devices
cyberjoey 17:401a5bb8d403 941 wait(0.02); //wait 20ms for convert temperature to complete
cyberjoey 17:401a5bb8d403 942 T[j] = get_temperature(OT07[j].I2C_address);
cyberjoey 17:401a5bb8d403 943 }
cyberjoey 17:401a5bb8d403 944
cyberjoey 17:401a5bb8d403 945 for(j=device;j<=arg1;j++){
cyberjoey 24:454dc350bb17 946 pc.printf("device[%02X] temperature[%.3f] status[%d]\r\n",j,T[j].tempC, T[j].status);
cyberjoey 17:401a5bb8d403 947 }
cyberjoey 17:401a5bb8d403 948 }
cyberjoey 17:401a5bb8d403 949
cyberjoey 9:36ba3626aab7 950 break;
cyberjoey 9:36ba3626aab7 951
cyberjoey 9:36ba3626aab7 952 case 'w':
cyberjoey 17:401a5bb8d403 953 case 'W': //write register "w device w.addr data"
cyberjoey 9:36ba3626aab7 954
cyberjoey 17:401a5bb8d403 955 OT07_write_register(OT07[device].I2C_address,arg1, arg2);
cyberjoey 17:401a5bb8d403 956 pc.printf("write -- device[%02X] add[%02X] data[%02X] crc[FF FF]\r\n",device,arg1,arg2);
cyberjoey 9:36ba3626aab7 957 break;
cyberjoey 9:36ba3626aab7 958
cyberjoey 9:36ba3626aab7 959 case 'x':
cyberjoey 9:36ba3626aab7 960 case 'X': // experimental modes
cyberjoey 9:36ba3626aab7 961 break;
cyberjoey 9:36ba3626aab7 962
cyberjoey 9:36ba3626aab7 963
cyberjoey 9:36ba3626aab7 964 }//end switch(c)
cyberjoey 9:36ba3626aab7 965 }//if(n>0)
cyberjoey 9:36ba3626aab7 966 }//end if(CR)
cyberjoey 9:36ba3626aab7 967 if(rx_buff[rx_index] == BS){//backspace received, back up buffer pointer
cyberjoey 9:36ba3626aab7 968 if(rx_index>0)rx_index--;//remove last char from buffer if not at start.
cyberjoey 9:36ba3626aab7 969 }else rx_index++;
cyberjoey 9:36ba3626aab7 970 }//end while(pc.redable())
cyberjoey 9:36ba3626aab7 971 wait(0.1); // slow down polling
switches 0:60a522ae2e35 972
cyberjoey 9:36ba3626aab7 973 }// end (while tick == false)
cyberjoey 9:36ba3626aab7 974 tick_flag = false; // set to false for next time
cyberjoey 9:36ba3626aab7 975
cyberjoey 9:36ba3626aab7 976 // only reached when tick_flag = true otherwise stuck in pc.readable() loop
cyberjoey 13:674c647d12dd 977 if(log_flag == true){
cyberjoey 9:36ba3626aab7 978 if(time_count >= time_to_sample){ //take next sample
cyberjoey 9:36ba3626aab7 979 time_to_sample += log_interval; // calculate time for next sample
cyberjoey 18:d913ec9dd9c2 980
cyberjoey 18:d913ec9dd9c2 981 for(j=0;j<device_count;j++){
cyberjoey 18:d913ec9dd9c2 982 convert_temperature(OT07[j].I2C_address);
cyberjoey 18:d913ec9dd9c2 983 wait(0.02); //wait 20ms for convert temperature to complete
cyberjoey 18:d913ec9dd9c2 984 T[j] = get_temperature(OT07[j].I2C_address);
cyberjoey 9:36ba3626aab7 985 }
cyberjoey 18:d913ec9dd9c2 986 /////////////////////////////////////////////////////////////////////////////////////////////////
cyberjoey 13:674c647d12dd 987
cyberjoey 13:674c647d12dd 988 //open file for microSD logging
cyberjoey 10:148da21c297e 989 FILE *fp = fopen(log_file, "a");
cyberjoey 9:36ba3626aab7 990 if (fp != NULL)
cyberjoey 9:36ba3626aab7 991 {
cyberjoey 9:36ba3626aab7 992 //fprintf(fp, "\n");
cyberjoey 10:148da21c297e 993 fprintf(fp, "%d",time_count);
cyberjoey 9:36ba3626aab7 994 for(j=0;j<device_count;j++)
cyberjoey 9:36ba3626aab7 995 {
cyberjoey 11:94a7379c0db8 996 if(device_logged[j])
cyberjoey 11:94a7379c0db8 997 {
cyberjoey 25:08b220797bd9 998 if(T[j].status == DEVICE_ACK)
cyberjoey 25:08b220797bd9 999 fprintf(fp,",%.3f",T[j].tempC);
cyberjoey 25:08b220797bd9 1000 else
cyberjoey 25:08b220797bd9 1001 fprintf(fp,",---.---");
cyberjoey 11:94a7379c0db8 1002 }
cyberjoey 11:94a7379c0db8 1003
cyberjoey 9:36ba3626aab7 1004 }
cyberjoey 9:36ba3626aab7 1005 fprintf(fp,"\r\n");
cyberjoey 9:36ba3626aab7 1006
cyberjoey 9:36ba3626aab7 1007 fclose(fp);
cyberjoey 9:36ba3626aab7 1008 }
cyberjoey 9:36ba3626aab7 1009 }// end if(time_count >= time_to_sample)
cyberjoey 9:36ba3626aab7 1010 time_count ++; //
cyberjoey 9:36ba3626aab7 1011
cyberjoey 9:36ba3626aab7 1012 }// end if(log_flag)
cyberjoey 9:36ba3626aab7 1013
cyberjoey 9:36ba3626aab7 1014 }//end while(1)
switches 0:60a522ae2e35 1015 }