Gerardo Antonio
Ultima versão da banca de ensaios BMS Fev2017
Dependencies: CANnucleo LTC68041 mbed
Fork of
BMS_4
by 
Gerardo Antonio
Diff: main.cpp
- Revision:
- 33:54861cd567cd
- Parent:
- 32:a52605800210
- Child:
- 34:8f92a17c5be9
--- a/main.cpp Sat Oct 29 00:38:17 2016 +0000
+++ b/main.cpp Wed Nov 09 10:13:51 2016 +0000
@@ -7,11 +7,16 @@
uint8_t tx_cfg[TOTAL_IC][6];
uint16_t aux_codes[TOTAL_IC][6];
uint16_t cell_codes[TOTAL_IC][12];
+
+//uint16_t temp_codes[32]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32};
+uint16_t temp_codes[32];
+
volatile bool msgAvailable = false;
volatile bool to_send = false;
CANnucleo::CAN can(PA_11, PA_12); // CAN Rx pin name, CAN Tx pin name
CANnucleo::CANMessage rxMsg;
CANnucleo::CANMessage txMsg;
+CANnucleo::CANMessage txMsg1;
DigitalOut led(PA_5);
/*!***********************************
@@ -117,6 +122,7 @@
}
}
char cells_left=0;
+char temps_left=0;
Ticker ticker;
Ticker sender;
@@ -126,6 +132,12 @@
float f[2];
} data;
+typedef union can_union2 {
+ int i[2];
+ char bytes[8];
+ float f[2];
+} data2;
+
void message_trigger()
{
if(cells_left < 1) {
@@ -229,6 +241,96 @@
LTC6804_wrcfg(TOTAL_IC,tx_cfg);
}
+AnalogIn MUXA_Read(PC_1);
+DigitalOut MUXA_0(PB_10);
+DigitalOut MUXA_1(PB_2);
+DigitalOut MUXA_2(PB_0);
+DigitalOut MUXA_3(PB_1);
+AnalogIn MUXB_Read(PC_2);
+DigitalOut MUXB_0(PC_7);
+DigitalOut MUXB_1(PC_6);
+DigitalOut MUXB_2(PB_14);
+DigitalOut MUXB_3(PB_15);
+
+void check_temperatures()
+{
+ for (int i=0; i<32; i++){
+ switch (i) {
+ case 0: //ntc 1 //from MUXA
+ MUXA_3=0; MUXA_2=0; MUXA_1=0; MUXA_0=0;
+ case 1: //ntc 2
+ MUXA_3=0; MUXA_2=0; MUXA_1=0; MUXA_0=1;
+ case 2: //ntc 3
+ MUXA_3=0; MUXA_2=0; MUXA_1=1; MUXA_0=0;
+ case 3: //ntc 4
+ MUXA_3=0; MUXA_2=0; MUXA_1=1; MUXA_0=1;
+ case 4: //ntc 5
+ MUXA_3=0; MUXA_2=1; MUXA_1=0; MUXA_0=0;
+ case 5: //ntc 6
+ MUXA_3=0; MUXA_2=1; MUXA_1=0; MUXA_0=1;
+ case 6: //ntc 7
+ MUXA_3=0; MUXA_2=1; MUXA_1=1; MUXA_0=0;
+ case 7: //ntc 8
+ MUXA_3=0; MUXA_2=1; MUXA_1=1; MUXA_0=1;
+ case 8: //ntc 9
+ MUXA_3=1; MUXA_2=0; MUXA_1=0; MUXA_0=0;
+ case 9: //ntc 10
+ MUXA_3=1; MUXA_2=0; MUXA_1=0; MUXA_0=1;
+ case 10: //ntc 11
+ MUXA_3=1; MUXA_2=0; MUXA_1=1; MUXA_0=0;
+ case 11: //ntc 12
+ MUXA_3=1; MUXA_2=0; MUXA_1=1; MUXA_0=1;
+ case 12: //ntc 13
+ MUXA_3=1; MUXA_2=1; MUXA_1=0; MUXA_0=0;
+ case 13: //ntc 14
+ MUXA_3=1; MUXA_2=1; MUXA_1=0; MUXA_0=1;
+ case 14: //ntc 15
+ MUXA_3=1; MUXA_2=1; MUXA_1=1; MUXA_0=0;
+ case 15: //ntc 16
+ MUXA_3=1; MUXA_2=1; MUXA_1=1; MUXA_0=1;
+ case 16: //ntc 17 //from MUXB
+ MUXB_3=0; MUXB_2=0; MUXB_1=0; MUXB_0=0;
+ case 17: //ntc 18
+ MUXB_3=0; MUXB_2=0; MUXB_1=0; MUXB_0=1;
+ case 18: //ntc 19
+ MUXB_3=0; MUXB_2=0; MUXB_1=1; MUXB_0=0;
+ case 19: //ntc 20
+ MUXB_3=0; MUXB_2=0; MUXB_1=1; MUXB_0=1;
+ case 20: //ntc 21
+ MUXB_3=0; MUXB_2=1; MUXB_1=0; MUXB_0=0;
+ case 21: //ntc 22
+ MUXB_3=0; MUXB_2=1; MUXB_1=0; MUXB_0=1;
+ case 22: //ntc 23
+ MUXB_3=0; MUXB_2=1; MUXB_1=1; MUXB_0=0;
+ case 23: //ntc 24
+ MUXB_3=0; MUXB_2=1; MUXB_1=1; MUXB_0=1;
+ case 24: //ntc 25
+ MUXB_3=1; MUXB_2=0; MUXB_1=0; MUXB_0=0;
+ case 25: //ntc 26
+ MUXB_3=1; MUXB_2=0; MUXB_1=0; MUXB_0=1;
+ case 26: //ntc 27
+ MUXB_3=1; MUXB_2=0; MUXB_1=1; MUXB_0=0;
+ case 27: //ntc 28
+ MUXB_3=1; MUXB_2=0; MUXB_1=1; MUXB_0=1;
+ case 28: //ntc 29
+ MUXB_3=1; MUXB_2=1; MUXB_1=0; MUXB_0=0;
+ case 29: //ntc 30
+ MUXB_3=1; MUXB_2=1; MUXB_1=0; MUXB_0=1;
+ case 30: //ntc 31
+ MUXB_3=1; MUXB_2=1; MUXB_1=1; MUXB_0=0;
+ case 31: //ntc 32
+ MUXB_3=1; MUXB_2=1; MUXB_1=1; MUXB_0=1;
+ }
+ wait_ms(10); //tempo para a tensao á saida do mux estabilisar
+ if(i<16){ // Converts and read the analog input value (value from 0.0 to 1.0)
+ temp_codes[i] = MUXA_Read.read()*3300;
+ }else{
+ temp_codes[i] = MUXB_Read.read()*3300;
+ }
+ }
+ temps_left = 32;
+}
+
void onMsgReceived()
{
msgAvailable = true;
@@ -257,6 +359,7 @@
int main()
{
data data;
+ data2 data2;
//printf("starting\n\r");
led =1;
wait(1);
@@ -301,17 +404,20 @@
if(charging) {
charging = 0;
check_charging_voltage();
+ check_temperatures();
sender.attach(&message_trigger,0.1);
}
if(discharging) {
discharging = 0;
check_discharging_voltage();
+ check_temperatures();
sender.attach(&message_trigger,0.1);
}
if(to_send) {
to_send=0;
+ //-----------------1º send cell voltages
txMsg.clear();
- txMsg.id = 13; //BMS1=>ID:11; BMS2=>ID:12; BMS3=>ID:13.
+ txMsg.id = 11; //BMS1=>ID:11; BMS2=>ID:12; BMS3=>ID:13.
txMsg.len = 5;
data.f[0] = cell_codes[0][cells_left-1]*0.0001;
txMsg.data[0] = data.bytes[0];
@@ -325,6 +431,21 @@
cells_left++;
//to_send=1;
}
+ //-----------------2º send cell temperatures
+ txMsg1.clear();
+ txMsg1.id = 21; //BMS1=>ID:11; BMS2=>ID:12; BMS3=>ID:13.
+ txMsg1.len = 3;
+
+ data2.i[0] = temp_codes[temps_left-1];
+ txMsg1.data[0] = data2.bytes[0];
+ txMsg1.data[1] = data2.bytes[1];
+ txMsg1.data[2] = temps_left;
+ temps_left--;
+ if(!(can.write(txMsg1))) { //se nao conseguiu transmitir continua a tentar transmitir a tensão dessa celula
+ pec_error();
+ temps_left++;
+ //to_send=1;
+ }
}
if(msgAvailable) {
int len = can.read(rxMsg);