This commit is contained in:
Lubos Petrovic
2020-12-20 18:03:35 +01:00
parent 09440f686b
commit 86caff56ab
4 changed files with 144 additions and 32 deletions

View File

@@ -1,7 +1,7 @@
#include "CommObd2Can.h"
#include "CommObd2CAN.h"
#include "BoardInterface.h"
#include "LiveData.h"
#include <mcp_can.h>
#include <mcp_CAN.h>
/**
Connect CAN adapter
@@ -10,22 +10,24 @@ void CommObd2Can::connectDevice() {
Serial.println("CAN connectDevice");
CAN = new MCP_CAN(pinCanCs);
// Initialize MCP2515 running at 16MHz with a baudrate of 500kb/s and the masks and filters disabled.
/* if (CAN.begin(MCP_STDEXT, CAN_500KBPS, MCP_8MHZ) == CAN_OK) {
Serial.println("MCP2515 Initialized Successfully!");
board->displayMessage(" > CAN init OK", "");
} else {
Serial.println("Error Initializing MCP2515...");
board->displayMessage(" > CAN init failed", "");
return;
}
if (CAN->begin(MCP_STDEXT, CAN_500KBPS, MCP_8MHZ) == CAN_OK) {
Serial.println("MCP2515 Initialized Successfully!");
board->displayMessage(" > CAN init OK", "");
} else {
Serial.println("Error Initializing MCP2515...");
board->displayMessage(" > CAN init failed", "");
return;
}
CAN.setMode(MCP_NORMAL); // Set operation mode to normal so the MCP2515 sends acks to received data.
pinMode(pinCanInt, INPUT); // Configuring pin for /INT input
CAN->setMode(MCP_NORMAL); // Set operation mode to normal so the MCP2515 sends acks to received data.
pinMode(pinCanInt, INPUT); // Configuring pin for /INT input
// Serve first command (ATZ)
doNextQueueCommand();
// Serve first command (ATZ)
doNextQueueCommand();
*/
Serial.println("init_can() done");
}
@@ -51,18 +53,9 @@ void CommObd2Can::scanDevices() {
void CommObd2Can::mainLoop() {
CommInterface::mainLoop();
}
/**
Send command to CAN bus
*/
void CommObd2Can::executeCommand(String cmd) {
/**
Serial.println("BMS 220101");
sendPID(0x00, 0x00);
delay(delayTxRx);
byte b = receivePID(0);
// Receive
/* byte b = receivePID(0);
if (b == 0x10) {
Serial.println("CONTINUE");
sendPID(0x01, 0x00);
@@ -71,5 +64,121 @@ void CommObd2Can::executeCommand(String cmd) {
receivePID(0);
delay(10);
}
}*/
*/
}
/**
Send command to CAN bus
*/
void CommObd2Can::executeCommand(String cmd) {
if (cmd.startsWith("AT")) {
liveData->canSendNextAtCommand = true;
return;
}
// pid
/*String atsh = liveData->currentAtshRequest;
atsh = atsh.replace(" ", "");
atsh = atsh.substring(4); // remove ATSH
String tmpCmd = cmd;
tmpCmd = tmpCmd.replace(" ", "");
sendPID(liveData->hexToDec(liveData->currentAtshRequest, 2, false), tmpCmd);*/
//delay(delayTxRx);
}
/**
Send PID
*/
void CommObd2Can::sendPID(uint16_t pid, String cmd) {
unsigned char tmp[8];
String tmpStr;
/* tmp[0] = cmd.length() / 2;
for (byte i = 1; i < 8; i++) {
tmp[i] = 0x00;
}
for (byte i = 0; i < 7; i++) {
tmpStr = cmd;
tmpStr = tmpStr.substring(i * 2, ((i + 1) * 2);
if (tmpStr != "") {
tmp[i + 1] = liveData->hexToDec(tmpString, 1, false);
}
}
byte sndStat = CAN->sendMsgBuf(pid, 0, 8, tmp); // 11 bit
// byte sndStat = CAN->sendMsgBuf(0x7e4, 1, 8, tmp); // 29 bit extended frame
if (sndStat == CAN_OK) {
Serial.print("SENT ");
for (byte i = 0; i < 8; i++) {
sprintf(msgString, " 0x%.2X", tmp[i]);
Serial.print(msgString);
}
Serial.println("");
} else {
Serial.print("Error Sending PID2 0x");
}*/
}
/**
sendFlowControlFrame
*/
void CommObd2Can::sendFlowControlFrame() {
unsigned char tmp[8];
/*
Serial.println("Flow control frame");
tmp[0] = 0x30;
for (byte i = 1; i < 8; i++) {
tmp[i] = 0x00;
}
byte sndStat = CAN->sendMsgBuf(pid, 0, 8, tmp); // 11 bit
// byte sndStat = CAN->sendMsgBuf(0x7e4, 1, 8, tmp); // 29 bit extended frame
if (sndStat == CAN_OK) {
Serial.print("SENT ");
for (byte i = 0; i < 8; i++) {
sprintf(msgString, " 0x%.2X", tmp[i]);
Serial.print(msgString);
}
Serial.println("");
} else {
Serial.print("Error Sending PID2 0x");
}*/
}
/**
* Receive PID
*/
/*byte CommObd2Can::receivePID() {
if (!digitalRead(CAN_INT)) // If CAN0_INT pin is low, read receive buffer
{
Serial.print(" CAN READ ");
CAN->readMsgBuf(&rxId, &len, rxBuf); // Read data: len = data length, buf = data byte(s)
if ((rxId & 0x80000000) == 0x80000000) // Determine if ID is standard (11 bits) or extended (29 bits)
sprintf(msgString, "Extended ID: 0x%.8lX DLC: %1d Data:", (rxId & 0x1FFFFFFF), len);
else
sprintf(msgString, "Standard ID: 0x%.3lX DLC: %1d Data:", rxId, len);
Serial.print(msgString);
if ((rxId & 0x40000000) == 0x40000000) { // Determine if message is a remote request frame.
sprintf(msgString, " REMOTE REQUEST FRAME");
Serial.print(msgString);
} else {
for (byte i = 0; i < len; i++) {
sprintf(msgString, " 0x%.2X", rxBuf[i]);
Serial.print(msgString);
}
}
Serial.println();
} else {
Serial.println(" CAN NOT READ ");
}
return rxBuf[0];
}*/