Update Can.h header file

Author: annaw212

bms/src/Can.h

@@ -0,0 +1,60 @@
+// Copyright (c) 2018 Formula Slug. All Rights Reserved.
+
+#pragma once
+
+// SIDs From Accumulator
+constexpr uint32_t kFuncIdHeartBeatAcc = 0x701;
+constexpr uint32_t kFuncIdCellStartup = 0x420;
+constexpr uint32_t kFuncIdFaultStatus = 0x421;
+constexpr uint32_t kFuncIdBmsStat = 0x422;
+constexpr uint32_t kFuncIdCellVoltage[7] = {0x423, 0x424, 0x425, 0x426,
+                                            0x427, 0x428, 0x429};
+constexpr uint32_t kFuncIdCellTempAdc[4] = {0x42a, 0x42b, 0x42c, 0x42d};
+
+CANMessage BMSCellStartup () {
+  const char * startupMessage = "SPICYBOI";
+  return CANMessage(kFuncIdCellStartup, startupMessage);  
+}
+
+CANMessage BMSFaultStatus (uint8_t contactorState, uint8_t faultState, uint8_t warningState, uint8_t SoC, uint16_t DoD, uint16_t totalCurrent) {
+  const unsigned char data[8];
+  data[0] = contactorState;
+  data[1] = faultState;
+  data[2] = warningState;
+  data[3] = SoC;
+  data[4] = DoD >> 8;
+  data[5] = DoD;
+  data[6] = totalCurrent >> 8;
+  data[7] = totalCurrent;
+  return CANMessage(kFuncIdFaultStatus, data);
+}
+
+CANMessage BMSStatus (uint16_t totalVoltage, uint16_t maxVoltage, uint16_t minVoltage, uint8_t maxTemp, uint8_t minTemp) {
+  const unsigned char data[8];
+  data[0] = totalVoltage >> 8;
+  data[1] = totalVoltage;
+  data[2] = maxVoltage >> 8;
+  data[3] = maxVoltage;
+  data[4] = minVoltage >> 8;
+  data[5] = minVoltage;
+  data[6] = maxTemp;
+  data[7] = minTemp;
+  return CANMessage(kFuncIdBmsStat, data);
+}
+
+CANMessage BMSCellVoltage (uint8_t row, uint16_t * voltages) {
+  const unsigned char data[8];
+  for (int i = 0; i < 8; i += 2) {
+    data[i] = voltages[i/2] >> 8;
+    data[++i] = voltages [i/2];
+  }
+  return CANMessage(kFuncIdCellVoltage[row], data);
+}
+
+CANMessage BMSCellTemp (uint8_t row, uint8_t * temps) {
+  const unsigned char data[7];
+  for (int i = 0; i < 7; i++) {
+    data[i] = temps[i];
+  }
+  return CANMessage(kFunIdCellTempAdc[row], data, 7);
+}