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Dependencies: ADXL345_I2C QEI SDFileSystem mbed
main.cpp@3:de6579180af2, 2017-02-07 (annotated)
- Committer:
- ojityan
- Date:
- Tue Feb 07 19:06:35 2017 +0000
- Revision:
- 3:de6579180af2
- Parent:
- 2:49d3b3eebc2e
- Child:
- 4:1ec5063fb20e
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Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| ojityan | 0:86efb6256f31 | 1 | #include "mbed.h" |
| ojityan | 0:86efb6256f31 | 2 | #include "SDFileSystem.h" |
| ojityan | 0:86efb6256f31 | 3 | #include "ADXL345_I2C.h" |
| ojityan | 2:49d3b3eebc2e | 4 | //#include "QEI.h" |
| ojityan | 0:86efb6256f31 | 5 | #include <stdio.h> |
| ojityan | 0:86efb6256f31 | 6 | #include <stdlib.h> |
| ojityan | 0:86efb6256f31 | 7 | |
| ojityan | 0:86efb6256f31 | 8 | void savedata(void); |
| ojityan | 0:86efb6256f31 | 9 | void flipB(void); |
| ojityan | 1:a20656b5bfe1 | 10 | void ADXL_config(void); |
| ojityan | 1:a20656b5bfe1 | 11 | void read_current(double *C); |
| ojityan | 2:49d3b3eebc2e | 12 | void controller(double *v,float *duty_output,double *acce_device, double *acce_output, double *F); |
| ojityan | 1:a20656b5bfe1 | 13 | void makefile(void); |
| ojityan | 1:a20656b5bfe1 | 14 | void weight_init(void); |
| ojityan | 1:a20656b5bfe1 | 15 | void INA226config(void); |
| ojityan | 0:86efb6256f31 | 16 | |
| ojityan | 0:86efb6256f31 | 17 | DigitalOut dir(p25); |
| ojityan | 0:86efb6256f31 | 18 | PwmOut duty(p24); |
| ojityan | 0:86efb6256f31 | 19 | I2C i2c(p28, p27); |
| ojityan | 0:86efb6256f31 | 20 | |
| ojityan | 0:86efb6256f31 | 21 | SDFileSystem sd(p11, p12, p13, p14, "sd"); |
| ojityan | 0:86efb6256f31 | 22 | ADXL345_I2C accelerometer(p9, p10); |
| ojityan | 0:86efb6256f31 | 23 | Serial debug(USBTX,USBRX); |
| ojityan | 0:86efb6256f31 | 24 | //QEI wheel (p21, p22, p23, 1000); |
| ojityan | 0:86efb6256f31 | 25 | |
| ojityan | 0:86efb6256f31 | 26 | DigitalOut myled1(LED1); |
| ojityan | 0:86efb6256f31 | 27 | DigitalOut myled2(LED2); |
| ojityan | 0:86efb6256f31 | 28 | DigitalOut myled3(LED3); |
| ojityan | 0:86efb6256f31 | 29 | DigitalOut myled4(LED4); |
| ojityan | 0:86efb6256f31 | 30 | DigitalIn sensorA(p17); |
| ojityan | 0:86efb6256f31 | 31 | DigitalIn sensorB(p18); |
| ojityan | 0:86efb6256f31 | 32 | DigitalIn sensorC(p19); |
| ojityan | 0:86efb6256f31 | 33 | DigitalIn sensorD(p20); |
| ojityan | 0:86efb6256f31 | 34 | InterruptIn sensorB_(p18); |
| ojityan | 0:86efb6256f31 | 35 | |
| ojityan | 0:86efb6256f31 | 36 | int flag = 0; |
| ojityan | 0:86efb6256f31 | 37 | int flipB_ = 0; |
| ojityan | 0:86efb6256f31 | 38 | Ticker save; |
| ojityan | 0:86efb6256f31 | 39 | FILE *fp; |
| ojityan | 0:86efb6256f31 | 40 | Timer t; |
| ojityan | 0:86efb6256f31 | 41 | |
| ojityan | 0:86efb6256f31 | 42 | |
| ojityan | 0:86efb6256f31 | 43 | static char i2c_addr = 0x80; |
| ojityan | 0:86efb6256f31 | 44 | |
| ojityan | 0:86efb6256f31 | 45 | |
| ojityan | 0:86efb6256f31 | 46 | |
| ojityan | 0:86efb6256f31 | 47 | int main() |
| ojityan | 0:86efb6256f31 | 48 | { |
| ojityan | 2:49d3b3eebc2e | 49 | char buffer[100][150]; |
| ojityan | 0:86efb6256f31 | 50 | int i,j; |
| ojityan | 0:86efb6256f31 | 51 | double C; |
| ojityan | 0:86efb6256f31 | 52 | float duty_output; |
| ojityan | 0:86efb6256f31 | 53 | int loop_break; |
| ojityan | 1:a20656b5bfe1 | 54 | double acce_device; |
| ojityan | 1:a20656b5bfe1 | 55 | double acce_output; |
| ojityan | 0:86efb6256f31 | 56 | int readings[3] = {0, 0, 0}; |
| ojityan | 0:86efb6256f31 | 57 | double v; |
| ojityan | 2:49d3b3eebc2e | 58 | double F_output; |
| ojityan | 0:86efb6256f31 | 59 | |
| ojityan | 1:a20656b5bfe1 | 60 | myled1 = 1; |
| ojityan | 1:a20656b5bfe1 | 61 | ADXL_config(); |
| ojityan | 1:a20656b5bfe1 | 62 | myled2 = 1; |
| ojityan | 1:a20656b5bfe1 | 63 | // makefile(); |
| ojityan | 0:86efb6256f31 | 64 | myled3 = 1; |
| ojityan | 1:a20656b5bfe1 | 65 | INA226config(); |
| ojityan | 0:86efb6256f31 | 66 | myled4 = 1; |
| ojityan | 0:86efb6256f31 | 67 | wait(3.0); |
| ojityan | 0:86efb6256f31 | 68 | myled1 = 0; |
| ojityan | 0:86efb6256f31 | 69 | myled2 = 0; |
| ojityan | 0:86efb6256f31 | 70 | myled3 = 0; |
| ojityan | 0:86efb6256f31 | 71 | myled4 = 0; |
| ojityan | 1:a20656b5bfe1 | 72 | |
| ojityan | 1:a20656b5bfe1 | 73 | |
| ojityan | 0:86efb6256f31 | 74 | //---ammeter setting end--- |
| ojityan | 0:86efb6256f31 | 75 | duty_output = 0.0; |
| ojityan | 0:86efb6256f31 | 76 | duty.period(0.00005); |
| ojityan | 0:86efb6256f31 | 77 | // NVIC_SetPriority(0, 1); |
| ojityan | 0:86efb6256f31 | 78 | |
| ojityan | 0:86efb6256f31 | 79 | |
| ojityan | 0:86efb6256f31 | 80 | ///////////////////// |
| ojityan | 0:86efb6256f31 | 81 | //---main routen--- |
| ojityan | 0:86efb6256f31 | 82 | ///////////////////// |
| ojityan | 0:86efb6256f31 | 83 | while(1) { |
| ojityan | 0:86efb6256f31 | 84 | t.reset(); |
| ojityan | 0:86efb6256f31 | 85 | i = 0; |
| ojityan | 0:86efb6256f31 | 86 | loop_break = 0; |
| ojityan | 0:86efb6256f31 | 87 | debug.printf("writing OK!\n"); |
| ojityan | 2:49d3b3eebc2e | 88 | |
| ojityan | 1:a20656b5bfe1 | 89 | weight_init(); |
| ojityan | 0:86efb6256f31 | 90 | |
| ojityan | 0:86efb6256f31 | 91 | //---sensing start--- |
| ojityan | 0:86efb6256f31 | 92 | flipB_ = 0; |
| ojityan | 0:86efb6256f31 | 93 | dir = 1; |
| ojityan | 1:a20656b5bfe1 | 94 | |
| ojityan | 0:86efb6256f31 | 95 | while (1) { |
| ojityan | 0:86efb6256f31 | 96 | accelerometer.getOutput(readings); |
| ojityan | 0:86efb6256f31 | 97 | if( abs((int16_t)readings[0]) > 30) { |
| ojityan | 0:86efb6256f31 | 98 | myled3 = 1; |
| ojityan | 0:86efb6256f31 | 99 | break; |
| ojityan | 0:86efb6256f31 | 100 | } |
| ojityan | 2:49d3b3eebc2e | 101 | wait(0.01); |
| ojityan | 0:86efb6256f31 | 102 | } |
| ojityan | 0:86efb6256f31 | 103 | save.attach(&savedata, 0.01 ); |
| ojityan | 0:86efb6256f31 | 104 | t.start(); |
| ojityan | 1:a20656b5bfe1 | 105 | |
| ojityan | 1:a20656b5bfe1 | 106 | |
| ojityan | 3:de6579180af2 | 107 | while(t.read() <= 0.51) { |
| ojityan | 0:86efb6256f31 | 108 | // debug.printf("loop sensorB\n"); |
| ojityan | 0:86efb6256f31 | 109 | if(flag) { |
| ojityan | 0:86efb6256f31 | 110 | flag = 0; |
| ojityan | 2:49d3b3eebc2e | 111 | controller( &v, &duty_output, &acce_device, &acce_output, &F_output); |
| ojityan | 2:49d3b3eebc2e | 112 | // duty.write(duty_output); |
| ojityan | 1:a20656b5bfe1 | 113 | read_current( &C); |
| ojityan | 2:49d3b3eebc2e | 114 | // debug.printf("duty = %f\n",duty_output); |
| ojityan | 2:49d3b3eebc2e | 115 | if(1) { |
| ojityan | 2:49d3b3eebc2e | 116 | sprintf(buffer[i],"%f10,%f10,%f10,%f10,%f10,%f10",t.read(),C,acce_device,C,duty_output,F_output); |
| ojityan | 2:49d3b3eebc2e | 117 | if( i > 299) { |
| ojityan | 2:49d3b3eebc2e | 118 | loop_break = 1; |
| ojityan | 2:49d3b3eebc2e | 119 | break; |
| ojityan | 2:49d3b3eebc2e | 120 | } |
| ojityan | 2:49d3b3eebc2e | 121 | i = i + 1; |
| ojityan | 2:49d3b3eebc2e | 122 | } |
| ojityan | 0:86efb6256f31 | 123 | |
| ojityan | 0:86efb6256f31 | 124 | } |
| ojityan | 0:86efb6256f31 | 125 | if(loop_break) { |
| ojityan | 0:86efb6256f31 | 126 | break; |
| ojityan | 0:86efb6256f31 | 127 | } |
| ojityan | 0:86efb6256f31 | 128 | |
| ojityan | 0:86efb6256f31 | 129 | } |
| ojityan | 0:86efb6256f31 | 130 | myled2 = 1; |
| ojityan | 0:86efb6256f31 | 131 | t.stop(); |
| ojityan | 2:49d3b3eebc2e | 132 | save.detach(); |
| ojityan | 0:86efb6256f31 | 133 | |
| ojityan | 0:86efb6256f31 | 134 | |
| ojityan | 0:86efb6256f31 | 135 | duty = 0.0f; |
| ojityan | 2:49d3b3eebc2e | 136 | |
| ojityan | 2:49d3b3eebc2e | 137 | |
| ojityan | 2:49d3b3eebc2e | 138 | // makefile(); |
| ojityan | 2:49d3b3eebc2e | 139 | myled1 = 1; |
| ojityan | 0:86efb6256f31 | 140 | for( j = 0; j < i; j++) { |
| ojityan | 2:49d3b3eebc2e | 141 | // fprintf(fp,buffer[j]); |
| ojityan | 2:49d3b3eebc2e | 142 | debug.printf("%s\n",buffer[j]); |
| ojityan | 0:86efb6256f31 | 143 | } |
| ojityan | 2:49d3b3eebc2e | 144 | |
| ojityan | 2:49d3b3eebc2e | 145 | // fclose(fp); |
| ojityan | 0:86efb6256f31 | 146 | |
| ojityan | 0:86efb6256f31 | 147 | while(1) { |
| ojityan | 2:49d3b3eebc2e | 148 | myled1 = 1; |
| ojityan | 0:86efb6256f31 | 149 | wait(0.2); |
| ojityan | 2:49d3b3eebc2e | 150 | myled1 = 0; |
| ojityan | 0:86efb6256f31 | 151 | wait(0.2); |
| ojityan | 0:86efb6256f31 | 152 | } |
| ojityan | 0:86efb6256f31 | 153 | } |
| ojityan | 0:86efb6256f31 | 154 | } |
| ojityan | 0:86efb6256f31 | 155 | |
| ojityan | 0:86efb6256f31 | 156 | |
| ojityan | 0:86efb6256f31 | 157 | |
| ojityan | 0:86efb6256f31 | 158 | |
| ojityan | 0:86efb6256f31 | 159 | void savedata(void) |
| ojityan | 0:86efb6256f31 | 160 | { |
| ojityan | 0:86efb6256f31 | 161 | flag = 1; |
| ojityan | 2:49d3b3eebc2e | 162 | |
| ojityan | 0:86efb6256f31 | 163 | } |
| ojityan | 0:86efb6256f31 | 164 | |
| ojityan | 0:86efb6256f31 | 165 | void flipB(void) |
| ojityan | 0:86efb6256f31 | 166 | { |
| ojityan | 0:86efb6256f31 | 167 | flipB_ = 1; |
| ojityan | 0:86efb6256f31 | 168 | duty = 0.0f; |
| ojityan | 0:86efb6256f31 | 169 | debug.printf("flip sensorB!"); |
| ojityan | 0:86efb6256f31 | 170 | __disable_irq(); |
| ojityan | 0:86efb6256f31 | 171 | } |
| ojityan | 1:a20656b5bfe1 | 172 | |
| ojityan | 1:a20656b5bfe1 | 173 | void ADXL_config(void) |
| ojityan | 1:a20656b5bfe1 | 174 | { |
| ojityan | 1:a20656b5bfe1 | 175 | //Go into standby mode to configure the device. |
| ojityan | 1:a20656b5bfe1 | 176 | accelerometer.setPowerControl(0x00); |
| ojityan | 1:a20656b5bfe1 | 177 | |
| ojityan | 1:a20656b5bfe1 | 178 | //Full resolution, +/-16g, 4mg/LSB. |
| ojityan | 1:a20656b5bfe1 | 179 | accelerometer.setDataFormatControl(0x0B); |
| ojityan | 1:a20656b5bfe1 | 180 | |
| ojityan | 1:a20656b5bfe1 | 181 | //3.2kHz data rate. |
| ojityan | 1:a20656b5bfe1 | 182 | accelerometer.setDataRate(ADXL345_3200HZ); |
| ojityan | 1:a20656b5bfe1 | 183 | |
| ojityan | 1:a20656b5bfe1 | 184 | //Measurement mode. |
| ojityan | 1:a20656b5bfe1 | 185 | accelerometer.setPowerControl(0x08); |
| ojityan | 1:a20656b5bfe1 | 186 | |
| ojityan | 1:a20656b5bfe1 | 187 | accelerometer.setOffset (0, 0); |
| ojityan | 1:a20656b5bfe1 | 188 | |
| ojityan | 1:a20656b5bfe1 | 189 | } |
| ojityan | 1:a20656b5bfe1 | 190 | |
| ojityan | 1:a20656b5bfe1 | 191 | void makefile(void) |
| ojityan | 1:a20656b5bfe1 | 192 | { |
| ojityan | 2:49d3b3eebc2e | 193 | char filename[100]; |
| ojityan | 1:a20656b5bfe1 | 194 | int num; |
| ojityan | 1:a20656b5bfe1 | 195 | //---SDsetting-- |
| ojityan | 1:a20656b5bfe1 | 196 | mkdir("/sd/mydir", 0777); |
| ojityan | 1:a20656b5bfe1 | 197 | for(num=1; num<=256; num=num+1) { |
| ojityan | 1:a20656b5bfe1 | 198 | sprintf(filename,"/sd/mydir/data%d.csv",num); |
| ojityan | 1:a20656b5bfe1 | 199 | fp = fopen(filename, "r"); |
| ojityan | 1:a20656b5bfe1 | 200 | if(fp == NULL) { |
| ojityan | 1:a20656b5bfe1 | 201 | fp = fopen(filename,"w"); |
| ojityan | 2:49d3b3eebc2e | 202 | debug.printf("file number is %d.\n",num); |
| ojityan | 1:a20656b5bfe1 | 203 | break; |
| ojityan | 1:a20656b5bfe1 | 204 | } |
| ojityan | 1:a20656b5bfe1 | 205 | fclose(fp); |
| ojityan | 2:49d3b3eebc2e | 206 | debug.printf("data%d exists\n",num); |
| ojityan | 1:a20656b5bfe1 | 207 | } |
| ojityan | 2:49d3b3eebc2e | 208 | |
| ojityan | 2:49d3b3eebc2e | 209 | // fprintf(fp,"Time,Current,acce_device,v_device,duty_output\n"); |
| ojityan | 2:49d3b3eebc2e | 210 | |
| ojityan | 1:a20656b5bfe1 | 211 | // fprintf(fp, "Hello fun SD Card World!\n"); |
| ojityan | 1:a20656b5bfe1 | 212 | } |
| ojityan | 1:a20656b5bfe1 | 213 | |
| ojityan | 1:a20656b5bfe1 | 214 | void INA226config(void) |
| ojityan | 1:a20656b5bfe1 | 215 | { |
| ojityan | 1:a20656b5bfe1 | 216 | |
| ojityan | 1:a20656b5bfe1 | 217 | char p_addr = 0x00; |
| ojityan | 1:a20656b5bfe1 | 218 | char p_addr_i = 0x04; |
| ojityan | 1:a20656b5bfe1 | 219 | short Calibration_set = 0x0A00; |
| ojityan | 1:a20656b5bfe1 | 220 | char write_item[3]; |
| ojityan | 1:a20656b5bfe1 | 221 | //---ammeter setting--- |
| ojityan | 1:a20656b5bfe1 | 222 | i2c.start(); |
| ojityan | 1:a20656b5bfe1 | 223 | if(i2c.write(i2c_addr | 0,&p_addr,sizeof(p_addr)) == 0) { |
| ojityan | 1:a20656b5bfe1 | 224 | debug.printf("DA-ME-DA-YO!\n"); |
| ojityan | 1:a20656b5bfe1 | 225 | } |
| ojityan | 1:a20656b5bfe1 | 226 | debug.printf("OK!\n"); |
| ojityan | 1:a20656b5bfe1 | 227 | |
| ojityan | 1:a20656b5bfe1 | 228 | //rawWrite(0x05,0x0A00); |
| ojityan | 1:a20656b5bfe1 | 229 | |
| ojityan | 1:a20656b5bfe1 | 230 | short Config_set = 0x444F;//0x4A4F;//0x4E97;//0x4C97; |
| ojityan | 1:a20656b5bfe1 | 231 | write_item[0] = 0x00; |
| ojityan | 1:a20656b5bfe1 | 232 | write_item[1] = static_cast<char>((Config_set >> 8) & 0x00ff); |
| ojityan | 1:a20656b5bfe1 | 233 | write_item[2] = static_cast<char>(Config_set & 0x00ff); |
| ojityan | 1:a20656b5bfe1 | 234 | if(i2c.write(i2c_addr | 0,write_item,3) == 0) { |
| ojityan | 1:a20656b5bfe1 | 235 | debug.printf("OK!!\n"); |
| ojityan | 1:a20656b5bfe1 | 236 | } else { |
| ojityan | 1:a20656b5bfe1 | 237 | debug.printf("OH!!\n"); |
| ojityan | 1:a20656b5bfe1 | 238 | } |
| ojityan | 1:a20656b5bfe1 | 239 | |
| ojityan | 1:a20656b5bfe1 | 240 | |
| ojityan | 1:a20656b5bfe1 | 241 | |
| ojityan | 1:a20656b5bfe1 | 242 | write_item[0] = 0x05; |
| ojityan | 1:a20656b5bfe1 | 243 | write_item[1] = static_cast<char>((Calibration_set >> 8) & 0x00ff); |
| ojityan | 1:a20656b5bfe1 | 244 | write_item[2] = static_cast<char>(Calibration_set & 0x00ff); |
| ojityan | 1:a20656b5bfe1 | 245 | if(i2c.write(i2c_addr | 0,write_item,3) == 0) { |
| ojityan | 1:a20656b5bfe1 | 246 | debug.printf("OK!!\n"); |
| ojityan | 1:a20656b5bfe1 | 247 | } else { |
| ojityan | 1:a20656b5bfe1 | 248 | debug.printf("OH!!\n"); |
| ojityan | 1:a20656b5bfe1 | 249 | } |
| ojityan | 1:a20656b5bfe1 | 250 | } |
| ojityan | 1:a20656b5bfe1 | 251 | |
| ojityan | 1:a20656b5bfe1 | 252 | void weight_init(void) |
| ojityan | 1:a20656b5bfe1 | 253 | { |
| ojityan | 1:a20656b5bfe1 | 254 | //---position reset--- |
| ojityan | 1:a20656b5bfe1 | 255 | dir = 0; |
| ojityan | 1:a20656b5bfe1 | 256 | duty = 0.50f; |
| ojityan | 1:a20656b5bfe1 | 257 | while(!sensorD); |
| ojityan | 1:a20656b5bfe1 | 258 | duty = 0.0f; |
| ojityan | 1:a20656b5bfe1 | 259 | wait(2.0); |
| ojityan | 1:a20656b5bfe1 | 260 | } |
| ojityan | 1:a20656b5bfe1 | 261 | |
| ojityan | 2:49d3b3eebc2e | 262 | void controller(double *v,float *duty_output,double *acce_device, double *acce_output, double *F) |
| ojityan | 1:a20656b5bfe1 | 263 | { |
| ojityan | 2:49d3b3eebc2e | 264 | |
| ojityan | 1:a20656b5bfe1 | 265 | double ka = 100; |
| ojityan | 1:a20656b5bfe1 | 266 | double kv = 100; |
| ojityan | 2:49d3b3eebc2e | 267 | |
| ojityan | 1:a20656b5bfe1 | 268 | int readings[3] = {0,0,0}; |
| ojityan | 2:49d3b3eebc2e | 269 | // static double F; |
| ojityan | 2:49d3b3eebc2e | 270 | static double F_1; |
| ojityan | 2:49d3b3eebc2e | 271 | static double F_2; |
| ojityan | 2:49d3b3eebc2e | 272 | static double F_3; |
| ojityan | 1:a20656b5bfe1 | 273 | |
| ojityan | 1:a20656b5bfe1 | 274 | |
| ojityan | 1:a20656b5bfe1 | 275 | //---reading acceleration and control--- |
| ojityan | 1:a20656b5bfe1 | 276 | accelerometer.getOutput(readings); |
| ojityan | 1:a20656b5bfe1 | 277 | *acce_device = (int16_t)readings[0] * 0.0383; |
| ojityan | 2:49d3b3eebc2e | 278 | // debug.printf("acce_device = %f\n", *acce_device); |
| ojityan | 1:a20656b5bfe1 | 279 | *v = *v + *acce_device * 0.01; |
| ojityan | 2:49d3b3eebc2e | 280 | if( *acce_device < 0) { |
| ojityan | 1:a20656b5bfe1 | 281 | if(abs(*v) > 0) { |
| ojityan | 1:a20656b5bfe1 | 282 | F_1 = -1 * ( ka * *acce_device) + (kv * *v); |
| ojityan | 2:49d3b3eebc2e | 283 | *F = 0.35 * F_1 + 0.4 * F_2 + 0.25 * F_3; |
| ojityan | 2:49d3b3eebc2e | 284 | *acce_output = *F / 8.5; |
| ojityan | 1:a20656b5bfe1 | 285 | *duty_output = *acce_output / 118 + *duty_output; |
| ojityan | 3:de6579180af2 | 286 | if(*duty_output > 1.0) { |
| ojityan | 3:de6579180af2 | 287 | *duty_output = 1.0; |
| ojityan | 1:a20656b5bfe1 | 288 | myled4 = 1; |
| ojityan | 1:a20656b5bfe1 | 289 | } |
| ojityan | 3:de6579180af2 | 290 | // duty.write(*duty_output); |
| ojityan | 3:de6579180af2 | 291 | duty.write(1.00); |
| ojityan | 1:a20656b5bfe1 | 292 | F_3 = F_2; |
| ojityan | 2:49d3b3eebc2e | 293 | F_2 = *F; |
| ojityan | 2:49d3b3eebc2e | 294 | // debug.printf("%i,%f,%f\n", (int16_t)readings[0],*v,*duty_output); |
| ojityan | 1:a20656b5bfe1 | 295 | } |
| ojityan | 1:a20656b5bfe1 | 296 | } |
| ojityan | 1:a20656b5bfe1 | 297 | } |
| ojityan | 1:a20656b5bfe1 | 298 | |
| ojityan | 1:a20656b5bfe1 | 299 | void read_current(double *C) |
| ojityan | 1:a20656b5bfe1 | 300 | { |
| ojityan | 1:a20656b5bfe1 | 301 | char I[2]; |
| ojityan | 1:a20656b5bfe1 | 302 | unsigned short read_item; |
| ojityan | 1:a20656b5bfe1 | 303 | char p_addr = 0x00; |
| ojityan | 1:a20656b5bfe1 | 304 | char p_addr_i = 0x04; |
| ojityan | 1:a20656b5bfe1 | 305 | //---reading current--- |
| ojityan | 1:a20656b5bfe1 | 306 | while(i2c.write(i2c_addr | 0,&p_addr_i,sizeof(p_addr_i)) != 0); |
| ojityan | 1:a20656b5bfe1 | 307 | while(i2c.read(i2c_addr | 0x01,I,sizeof(I)) != 0); |
| ojityan | 1:a20656b5bfe1 | 308 | read_item = static_cast<unsigned short>(I[0]); |
| ojityan | 1:a20656b5bfe1 | 309 | read_item = (read_item << 8) | static_cast<unsigned short>(I[1]); |
| ojityan | 1:a20656b5bfe1 | 310 | |
| ojityan | 1:a20656b5bfe1 | 311 | char *s_p = reinterpret_cast<char *>(&read_item); |
| ojityan | 1:a20656b5bfe1 | 312 | short d_s; |
| ojityan | 1:a20656b5bfe1 | 313 | char *d_p = reinterpret_cast<char *>(&d_s); |
| ojityan | 1:a20656b5bfe1 | 314 | *(d_p + 0) = *(s_p + 0); |
| ojityan | 1:a20656b5bfe1 | 315 | *(d_p + 1) = *(s_p + 1); |
| ojityan | 1:a20656b5bfe1 | 316 | *C = static_cast<double>(d_s) /* * 1.25 */; |
| ojityan | 2:49d3b3eebc2e | 317 | // debug.printf("%f\n",*C); |
| ojityan | 1:a20656b5bfe1 | 318 | } |