Gerardo Antonio / Mbed 2 deprecated BMS_4

all bms comunicating with nucleo board and balancing

Dependencies:   CANnucleo LTC68041 mbed

Fork of BMS_2 by Joao Vieira

main.cpp@25:6f4f7510db24, 2016-10-24 (annotated)

Committer:
Crazyaboutmachines
Date:
Mon Oct 24 13:10:45 2016 +0000
Revision:
25:6f4f7510db24
Parent:
24:f47f1fd6ce01
Child:
26:c55656391a29
BMS a activar/desactivar balanceamento

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hudakz 19:872e304d7e17 1 #include "CANnucleo.h"
hudakz 16:a86f339d1c25 2 #include "mbed.h"
ser1516 21:988413f53fbe 3 #include "LTC68041.h"
hudakz 16:a86f339d1c25 4
ser1516 21:988413f53fbe 5
ser1516 21:988413f53fbe 6
ser1516 21:988413f53fbe 7 uint8_t const TOTAL_IC = 1;//!<number of ICs in the daisy chain
ser1516 21:988413f53fbe 8
ser1516 21:988413f53fbe 9 uint8_t rx_cfg[TOTAL_IC][8];
ser1516 21:988413f53fbe 10 uint8_t tx_cfg[TOTAL_IC][6];
ser1516 21:988413f53fbe 11 uint16_t aux_codes[TOTAL_IC][6];
ser1516 21:988413f53fbe 12 uint16_t cell_codes[TOTAL_IC][12];
ser1516 21:988413f53fbe 13 volatile bool msgAvailable = false;
ser1516 21:988413f53fbe 14 volatile bool to_send = false;
hudakz 17:18d4d0ff26a6 15 CANnucleo::CAN can(PA_11, PA_12); // CAN Rx pin name, CAN Tx pin name
hudakz 17:18d4d0ff26a6 16 CANnucleo::CANMessage rxMsg;
hudakz 17:18d4d0ff26a6 17 CANnucleo::CANMessage txMsg;
ser1516 21:988413f53fbe 18 DigitalOut led(PA_5);
ser1516 21:988413f53fbe 19 /*!***********************************
ser1516 21:988413f53fbe 20 \brief Initializes the configuration array
ser1516 21:988413f53fbe 21 **************************************/
ser1516 21:988413f53fbe 22 void init_cfg()
ser1516 21:988413f53fbe 23 {
ser1516 21:988413f53fbe 24 for (int i = 0; i<TOTAL_IC; i++) {
ser1516 21:988413f53fbe 25 tx_cfg[i][0] = 0xFE;
ser1516 21:988413f53fbe 26 tx_cfg[i][1] = 0x00 ;
ser1516 21:988413f53fbe 27 tx_cfg[i][2] = 0x00 ;
ser1516 21:988413f53fbe 28 tx_cfg[i][3] = 0x00 ;
ser1516 21:988413f53fbe 29 tx_cfg[i][4] = 0x00 ;
ser1516 21:988413f53fbe 30 tx_cfg[i][5] = 0x00 ;
ser1516 21:988413f53fbe 31 }
ser1516 21:988413f53fbe 32 }
ser1516 21:988413f53fbe 33 void serial_print_hex(uint8_t data)
ser1516 21:988413f53fbe 34 {
ser1516 21:988413f53fbe 35 if (data< 16) {
ser1516 21:988413f53fbe 36 printf("0");
ser1516 21:988413f53fbe 37 printf("%x",(uint8_t)data);
ser1516 21:988413f53fbe 38 } else
ser1516 21:988413f53fbe 39 printf("%x",(uint8_t)data);
ser1516 21:988413f53fbe 40 }
ser1516 21:988413f53fbe 41 void print_config()
ser1516 21:988413f53fbe 42 {
ser1516 21:988413f53fbe 43 int cfg_pec;
ser1516 21:988413f53fbe 44 printf("Written Configuration:\n\r ");
ser1516 21:988413f53fbe 45 for (int current_ic = 0; current_ic<TOTAL_IC; current_ic++) {
ser1516 21:988413f53fbe 46 printf(" IC ");
ser1516 21:988413f53fbe 47 printf("%d", current_ic+1);
ser1516 21:988413f53fbe 48 printf(": ");
ser1516 21:988413f53fbe 49 printf("0x");
ser1516 21:988413f53fbe 50 serial_print_hex(tx_cfg[current_ic][0]);
ser1516 21:988413f53fbe 51 printf(", 0x");
ser1516 21:988413f53fbe 52 serial_print_hex(tx_cfg[current_ic][1]);
ser1516 21:988413f53fbe 53 printf(", 0x");
ser1516 21:988413f53fbe 54 serial_print_hex(tx_cfg[current_ic][2]);
ser1516 21:988413f53fbe 55 printf(", 0x");
ser1516 21:988413f53fbe 56 serial_print_hex(tx_cfg[current_ic][3]);
ser1516 21:988413f53fbe 57 printf(", 0x");
ser1516 21:988413f53fbe 58 serial_print_hex(tx_cfg[current_ic][4]);
ser1516 21:988413f53fbe 59 printf(", 0x");
ser1516 21:988413f53fbe 60 serial_print_hex(tx_cfg[current_ic][5]);
ser1516 21:988413f53fbe 61 printf(", Calculated PEC: 0x");
ser1516 21:988413f53fbe 62 cfg_pec = pec15_calc(6,&tx_cfg[current_ic][0]);
ser1516 21:988413f53fbe 63 serial_print_hex((uint8_t)(cfg_pec>>8));
ser1516 21:988413f53fbe 64 printf(", 0x");
ser1516 21:988413f53fbe 65 serial_print_hex((uint8_t)(cfg_pec));
ser1516 21:988413f53fbe 66 }
ser1516 21:988413f53fbe 67 printf("\n\r");
ser1516 21:988413f53fbe 68 }
ser1516 21:988413f53fbe 69
ser1516 21:988413f53fbe 70 void print_rxconfig()
ser1516 21:988413f53fbe 71 {
ser1516 21:988413f53fbe 72 printf("Received Configuration ");
ser1516 21:988413f53fbe 73 for (int current_ic=0; current_ic<TOTAL_IC; current_ic++) {
ser1516 21:988413f53fbe 74 printf(" IC ");
ser1516 21:988413f53fbe 75 printf("%d " ,current_ic+1);
ser1516 21:988413f53fbe 76 printf(": 0x");
ser1516 21:988413f53fbe 77 serial_print_hex(rx_cfg[current_ic][0]);
ser1516 21:988413f53fbe 78 printf(", 0x");
ser1516 21:988413f53fbe 79 serial_print_hex(rx_cfg[current_ic][1]);
ser1516 21:988413f53fbe 80 printf(", 0x");
ser1516 21:988413f53fbe 81 serial_print_hex(rx_cfg[current_ic][2]);
ser1516 21:988413f53fbe 82 printf(", 0x");
ser1516 21:988413f53fbe 83 serial_print_hex(rx_cfg[current_ic][3]);
ser1516 21:988413f53fbe 84 printf(", 0x");
ser1516 21:988413f53fbe 85 serial_print_hex(rx_cfg[current_ic][4]);
ser1516 21:988413f53fbe 86 printf(", 0x");
ser1516 21:988413f53fbe 87 serial_print_hex(rx_cfg[current_ic][5]);
ser1516 21:988413f53fbe 88 printf(", Received PEC: 0x");
ser1516 21:988413f53fbe 89 serial_print_hex(rx_cfg[current_ic][6]);
ser1516 21:988413f53fbe 90 printf(", 0x");
ser1516 21:988413f53fbe 91 serial_print_hex(rx_cfg[current_ic][7]);
ser1516 21:988413f53fbe 92 }
ser1516 21:988413f53fbe 93 }
Crazyaboutmachines 25:6f4f7510db24 94
ser1516 21:988413f53fbe 95 int err;
ser1516 21:988413f53fbe 96 void print_cells2()
ser1516 21:988413f53fbe 97 {
ser1516 21:988413f53fbe 98
ser1516 21:988413f53fbe 99 for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
ser1516 21:988413f53fbe 100
ser1516 21:988413f53fbe 101 for (int i=0; i<12; i++) {
ser1516 21:988413f53fbe 102 printf(" C");
ser1516 21:988413f53fbe 103 printf("%d",i+1);
ser1516 21:988413f53fbe 104 printf(":");
ser1516 21:988413f53fbe 105 printf("%f", cell_codes[current_ic][i]*0.0001);
ser1516 21:988413f53fbe 106 printf(",");
ser1516 21:988413f53fbe 107 }
hudakz 0:c5e5d0df6f2a 108
ser1516 21:988413f53fbe 109 }
ser1516 21:988413f53fbe 110 }
Crazyaboutmachines 25:6f4f7510db24 111
ser1516 21:988413f53fbe 112 void pec_error()
ser1516 21:988413f53fbe 113 {
ser1516 21:988413f53fbe 114 for(int i = 0; i<5; i++) {
ser1516 21:988413f53fbe 115 led = 1;
ser1516 21:988413f53fbe 116 wait(0.2);
ser1516 21:988413f53fbe 117 led=0;
ser1516 21:988413f53fbe 118 wait(0.2);
ser1516 21:988413f53fbe 119 }
ser1516 21:988413f53fbe 120 }
Crazyaboutmachines 25:6f4f7510db24 121
ser1516 21:988413f53fbe 122 char cells_left=0;
ser1516 21:988413f53fbe 123 Ticker ticker;
ser1516 21:988413f53fbe 124 Ticker sender;
ser1516 21:988413f53fbe 125
ser1516 21:988413f53fbe 126 typedef union can_union {
ser1516 21:988413f53fbe 127 int i[2];
ser1516 21:988413f53fbe 128 char bytes[8];
ser1516 21:988413f53fbe 129 float f[2];
ser1516 21:988413f53fbe 130 } data;
ser1516 21:988413f53fbe 131
ser1516 21:988413f53fbe 132 void message_trigger()
ser1516 21:988413f53fbe 133 {
ser1516 21:988413f53fbe 134 if(cells_left < 1) {
ser1516 21:988413f53fbe 135 sender.detach();
ser1516 21:988413f53fbe 136 } else {
ser1516 21:988413f53fbe 137 to_send = 1;
ser1516 21:988413f53fbe 138 }
ser1516 21:988413f53fbe 139 }
ser1516 21:988413f53fbe 140
ser1516 21:988413f53fbe 141 void check_charging_voltage()
ser1516 21:988413f53fbe 142 {
ser1516 21:988413f53fbe 143 wakeup_idle();
ser1516 21:988413f53fbe 144 __disable_irq();
ser1516 21:988413f53fbe 145 LTC6804_adcv();
ser1516 21:988413f53fbe 146 __enable_irq();
ser1516 21:988413f53fbe 147 wait_ms(10);
ser1516 21:988413f53fbe 148 wakeup_idle();
ser1516 21:988413f53fbe 149 __enable_irq();
ser1516 21:988413f53fbe 150 err = LTC6804_rdcv(0, TOTAL_IC,cell_codes);
ser1516 21:988413f53fbe 151 __disable_irq();
ser1516 21:988413f53fbe 152 if (err == -1) {
ser1516 21:988413f53fbe 153 pec_error();
ser1516 21:988413f53fbe 154 }
ser1516 21:988413f53fbe 155 for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
ser1516 21:988413f53fbe 156 for (int i=0; i<12; i++) {
Crazyaboutmachines 25:6f4f7510db24 157 if(cell_codes[current_ic][i]*0.0001 > 3.6) {
ser1516 21:988413f53fbe 158 switch (i) {
ser1516 21:988413f53fbe 159 case 0:
Crazyaboutmachines 25:6f4f7510db24 160 tx_cfg[0][4] = tx_cfg[0][4] | 0x01 ; // 00000001
ser1516 21:988413f53fbe 161 case 1:
Crazyaboutmachines 25:6f4f7510db24 162 tx_cfg[0][4] = tx_cfg[0][4] | 0x02 ; // 00000010
ser1516 21:988413f53fbe 163 case 2:
Crazyaboutmachines 25:6f4f7510db24 164 tx_cfg[0][4] = tx_cfg[0][4] | 0x04 ; // 00000100
ser1516 21:988413f53fbe 165 case 3:
Crazyaboutmachines 25:6f4f7510db24 166 tx_cfg[0][4] = tx_cfg[0][4] | 0x08 ; // 00001000
ser1516 21:988413f53fbe 167 case 4:
Crazyaboutmachines 25:6f4f7510db24 168 tx_cfg[0][4] = tx_cfg[0][4] | 0x10 ; // 00010000
ser1516 21:988413f53fbe 169 case 5:
Crazyaboutmachines 25:6f4f7510db24 170 tx_cfg[0][4] = tx_cfg[0][4] | 0x20 ; // 00100001
ser1516 21:988413f53fbe 171 case 6:
Crazyaboutmachines 25:6f4f7510db24 172 tx_cfg[0][4] = tx_cfg[0][4] | 0x40 ; // 01000001
ser1516 21:988413f53fbe 173 case 7:
Crazyaboutmachines 25:6f4f7510db24 174 tx_cfg[0][4] = tx_cfg[0][4] | 0x80; // 10000001
ser1516 21:988413f53fbe 175 case 8:
Crazyaboutmachines 25:6f4f7510db24 176 tx_cfg[0][5] = tx_cfg[0][5] | 0x01; // 00000001
ser1516 21:988413f53fbe 177 case 9:
Crazyaboutmachines 25:6f4f7510db24 178 tx_cfg[0][5] = tx_cfg[0][5] | 0x10; // 00000010
Crazyaboutmachines 25:6f4f7510db24 179 }
Crazyaboutmachines 25:6f4f7510db24 180 }else{
Crazyaboutmachines 25:6f4f7510db24 181 switch (i){
Crazyaboutmachines 25:6f4f7510db24 182 case 0:
Crazyaboutmachines 25:6f4f7510db24 183 tx_cfg[0][4] = tx_cfg[0][4] & 0xFE ; // 11111110
Crazyaboutmachines 25:6f4f7510db24 184 case 1:
Crazyaboutmachines 25:6f4f7510db24 185 tx_cfg[0][4] = tx_cfg[0][4] & 0xFD ; // 11111101
Crazyaboutmachines 25:6f4f7510db24 186 case 2:
Crazyaboutmachines 25:6f4f7510db24 187 tx_cfg[0][4] = tx_cfg[0][4] & 0xFB ; // 11111011
Crazyaboutmachines 25:6f4f7510db24 188 case 3:
Crazyaboutmachines 25:6f4f7510db24 189 tx_cfg[0][4] = tx_cfg[0][4] & 0xF7 ; // 11110111
Crazyaboutmachines 25:6f4f7510db24 190 case 4:
Crazyaboutmachines 25:6f4f7510db24 191 tx_cfg[0][4] = tx_cfg[0][4] & 0xEF ; // 11101111
Crazyaboutmachines 25:6f4f7510db24 192 case 5:
Crazyaboutmachines 25:6f4f7510db24 193 tx_cfg[0][4] = tx_cfg[0][4] & 0xDF ; // 11011111
Crazyaboutmachines 25:6f4f7510db24 194 case 6:
Crazyaboutmachines 25:6f4f7510db24 195 tx_cfg[0][4] = tx_cfg[0][4] & 0xBF ; // 10111111
Crazyaboutmachines 25:6f4f7510db24 196 case 7:
Crazyaboutmachines 25:6f4f7510db24 197 tx_cfg[0][4] = tx_cfg[0][4] & 0x7F; // 01111111
Crazyaboutmachines 25:6f4f7510db24 198 case 8:
Crazyaboutmachines 25:6f4f7510db24 199 tx_cfg[0][5] = tx_cfg[0][5] & 0xFE; // 11111110
Crazyaboutmachines 25:6f4f7510db24 200 case 9:
Crazyaboutmachines 25:6f4f7510db24 201 tx_cfg[0][5] = tx_cfg[0][5] & 0xFD; // 11111101
Crazyaboutmachines 25:6f4f7510db24 202 }
ser1516 21:988413f53fbe 203 }
ser1516 21:988413f53fbe 204 }
ser1516 21:988413f53fbe 205 }
ser1516 21:988413f53fbe 206 //print_cells2();
ser1516 21:988413f53fbe 207 __disable_irq();
ser1516 21:988413f53fbe 208 LTC6804_wrcfg(TOTAL_IC,tx_cfg);
ser1516 21:988413f53fbe 209 __enable_irq();
ser1516 21:988413f53fbe 210 }
ser1516 21:988413f53fbe 211
ser1516 21:988413f53fbe 212
ser1516 21:988413f53fbe 213
ser1516 21:988413f53fbe 214 void check_discharging_voltage()
ser1516 21:988413f53fbe 215 {
ser1516 21:988413f53fbe 216 wakeup_idle();
ser1516 21:988413f53fbe 217 LTC6804_adcv();
ser1516 21:988413f53fbe 218
ser1516 21:988413f53fbe 219 wait_ms(10);
ser1516 21:988413f53fbe 220 wakeup_idle();
ser1516 21:988413f53fbe 221 err = LTC6804_rdcv(0, TOTAL_IC,cell_codes);
ser1516 21:988413f53fbe 222 if (err == -1) {
ser1516 21:988413f53fbe 223 pec_error();
ser1516 21:988413f53fbe 224 }/*
ser1516 21:988413f53fbe 225 for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
ser1516 21:988413f53fbe 226 for (int i=0; i<11; i++) {
ser1516 21:988413f53fbe 227 //printf("%f\t", cell_codes[current_ic][i]*0.0001);
ser1516 21:988413f53fbe 228 if(cell_codes[current_ic][i]*0.0001 < 2.7) {
ser1516 21:988413f53fbe 229 txMsg.clear();
ser1516 21:988413f53fbe 230 txMsg.id = 1;
ser1516 21:988413f53fbe 231 printf("%f\t", cell_codes[current_ic][i]*0.0001);
ser1516 21:988413f53fbe 232
ser1516 21:988413f53fbe 233 txMsg << cell_codes[current_ic][i]*0.0001;
ser1516 21:988413f53fbe 234 can.write(txMsg);
ser1516 21:988413f53fbe 235 wait(0.1);
ser1516 21:988413f53fbe 236 }
ser1516 21:988413f53fbe 237 }
ser1516 21:988413f53fbe 238 }*/
ser1516 21:988413f53fbe 239 //print_cells2();
ser1516 21:988413f53fbe 240 cells_left = 12;
ser1516 21:988413f53fbe 241
ser1516 21:988413f53fbe 242 //print_cells2();
ser1516 21:988413f53fbe 243 LTC6804_wrcfg(TOTAL_IC,tx_cfg);
ser1516 21:988413f53fbe 244 }
ser1516 21:988413f53fbe 245
ser1516 21:988413f53fbe 246 void onMsgReceived()
ser1516 21:988413f53fbe 247 {
hudakz 16:a86f339d1c25 248 msgAvailable = true;
hudakz 16:a86f339d1c25 249 }
hudakz 16:a86f339d1c25 250
ser1516 21:988413f53fbe 251
Crazyaboutmachines 25:6f4f7510db24 252 bool to_charge_or_not_to_charge=true; // false = discharge
ser1516 21:988413f53fbe 253 bool charging = false;
ser1516 21:988413f53fbe 254 bool discharging = false;
Crazyaboutmachines 25:6f4f7510db24 255
ser1516 21:988413f53fbe 256 void monitor()
ser1516 21:988413f53fbe 257 {
ser1516 21:988413f53fbe 258 led = !led;
ser1516 21:988413f53fbe 259 if(to_charge_or_not_to_charge) {
ser1516 21:988413f53fbe 260 charging = 1;
ser1516 21:988413f53fbe 261 discharging = 0;
ser1516 21:988413f53fbe 262 } else {
ser1516 21:988413f53fbe 263 discharging = 1;
ser1516 21:988413f53fbe 264 charging = 0;
hudakz 0:c5e5d0df6f2a 265 }
hudakz 0:c5e5d0df6f2a 266 }
hudakz 7:2dce8ed51091 267
hudakz 12:e91e44924194 268
ser1516 21:988413f53fbe 269 int main()
ser1516 21:988413f53fbe 270 {
ser1516 21:988413f53fbe 271 data data;
hudakz 17:18d4d0ff26a6 272
ser1516 21:988413f53fbe 273 //printf("starting\n\r");
ser1516 21:988413f53fbe 274 led =1;
ser1516 21:988413f53fbe 275 wait(1);
ser1516 21:988413f53fbe 276 pec_error();
ser1516 21:988413f53fbe 277 discharging = 1;
ser1516 21:988413f53fbe 278
ser1516 21:988413f53fbe 279 ticker.attach(&monitor, 5);
ser1516 21:988413f53fbe 280 LTC6804_initialize();
ser1516 21:988413f53fbe 281 init_cfg();
ser1516 21:988413f53fbe 282 //write configuration
ser1516 21:988413f53fbe 283 wakeup_sleep();
ser1516 21:988413f53fbe 284 __disable_irq(); // Disable Interrupts
ser1516 21:988413f53fbe 285 LTC6804_wrcfg(TOTAL_IC,tx_cfg);
ser1516 21:988413f53fbe 286 __enable_irq();
ser1516 21:988413f53fbe 287 wait(1);
ser1516 21:988413f53fbe 288 //read configuration: may differ from written config
ser1516 21:988413f53fbe 289 wakeup_sleep();
ser1516 21:988413f53fbe 290 __disable_irq();
ser1516 21:988413f53fbe 291 err = LTC6804_rdcfg(TOTAL_IC,rx_cfg);
ser1516 21:988413f53fbe 292 __enable_irq();
ser1516 21:988413f53fbe 293 if (err == -1) {
ser1516 21:988413f53fbe 294 pec_error();
ser1516 21:988413f53fbe 295 }
ser1516 21:988413f53fbe 296 wait(0.5);
ser1516 21:988413f53fbe 297
ser1516 21:988413f53fbe 298 wakeup_idle();
ser1516 21:988413f53fbe 299 __disable_irq();
ser1516 21:988413f53fbe 300 LTC6804_adcv();
ser1516 21:988413f53fbe 301 __enable_irq();
ser1516 21:988413f53fbe 302 wait_ms(10);
ser1516 21:988413f53fbe 303 wakeup_idle();
ser1516 21:988413f53fbe 304 __disable_irq();
ser1516 21:988413f53fbe 305 err = LTC6804_rdcv(0, TOTAL_IC,cell_codes);
ser1516 21:988413f53fbe 306 __enable_irq();
ser1516 21:988413f53fbe 307 if (err == -1) {
ser1516 21:988413f53fbe 308 pec_error();
ser1516 21:988413f53fbe 309 }
ser1516 21:988413f53fbe 310 can.frequency(1000000); // set bit rate to 1Mbps
ser1516 21:988413f53fbe 311 can.attach(&onMsgReceived);
ser1516 21:988413f53fbe 312 //print_cells2();
ser1516 21:988413f53fbe 313 while(1) {
ser1516 21:988413f53fbe 314 if(charging) {
ser1516 21:988413f53fbe 315 charging = 0;
ser1516 21:988413f53fbe 316 check_charging_voltage();
ser1516 21:988413f53fbe 317
ser1516 21:988413f53fbe 318 }
ser1516 21:988413f53fbe 319 if(discharging) {
ser1516 21:988413f53fbe 320 discharging = 0;
ser1516 21:988413f53fbe 321 check_discharging_voltage();
ser1516 21:988413f53fbe 322 sender.attach(&message_trigger,0.1);
ser1516 21:988413f53fbe 323 }
ser1516 21:988413f53fbe 324 if(to_send) {
ser1516 21:988413f53fbe 325
ser1516 21:988413f53fbe 326
ser1516 21:988413f53fbe 327 to_send=0;
ser1516 21:988413f53fbe 328 txMsg.clear();
Crazyaboutmachines 25:6f4f7510db24 329 txMsg.id = 11; //BMS1=>ID:11; BMS2=>ID:12; BMS3=>ID:13.
ser1516 21:988413f53fbe 330 txMsg.len = 5;
ser1516 21:988413f53fbe 331 data.f[0] = cell_codes[0][cells_left-1]*0.0001;
ser1516 21:988413f53fbe 332 txMsg.data[0] = data.bytes[0];
ser1516 21:988413f53fbe 333 txMsg.data[1] = data.bytes[1];
ser1516 21:988413f53fbe 334 txMsg.data[2] = data.bytes[2];
ser1516 21:988413f53fbe 335 txMsg.data[3] = data.bytes[3];
ser1516 21:988413f53fbe 336 txMsg.data[4] = cells_left;
ser1516 21:988413f53fbe 337 cells_left--;
Crazyaboutmachines 23:bde0179eee92 338 if(!(can.write(txMsg))) { //se nao conseguiu transmitir continua a tentar transmitir a tensão dessa celula
ser1516 21:988413f53fbe 339 pec_error();
ser1516 21:988413f53fbe 340 cells_left++;
ser1516 21:988413f53fbe 341 //to_send=1;
ser1516 21:988413f53fbe 342 }
ser1516 21:988413f53fbe 343
ser1516 21:988413f53fbe 344 }
ser1516 21:988413f53fbe 345 }
ser1516 21:988413f53fbe 346
ser1516 21:988413f53fbe 347 }