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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,37 +0,0 @@ -
matt448 created this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,37 @@ ///////////////////////////////////////////////////////////////////// // This is a simple example of sending CAN messages with 11bit id's // // https://matthewcmcmillan.blogspot.com // Twitter: @matthewmcmillan // #include "mcp_can.h" #include <SPI.h> MCP_CAN CAN(10); //CAN CS pin int sensorPin = A0; //Pot for adusting value int sensorValue = 0; int cantxValue = 0; void setup() { Serial.begin(115200); // init can bus, baudrate: 500k if(CAN.begin(CAN_500KBPS) ==CAN_OK) Serial.print("CAN init ok\r\n"); else Serial.print("CAN init failed\r\n"); } void loop() { sensorValue = analogRead(sensorPin); //Read the value of the pot cantxValue = sensorValue / 4; //Divide by 4 to get us in the 0-255 range Serial.print("cantxValue: "); Serial.print(cantxValue); Serial.println(); //Create data packet for CAN message unsigned char canMsg[8] = {cantxValue, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; // format: (id, id_type, dlc, data buf) CAN.sendMsgBuf(0x07B, 0, 8, canMsg); delay(100); } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,37 @@ ///////////////////////////////////////////////////////////////////// // This is a simple example of sending CAN messages with 29bit id's // // https://matthewcmcmillan.blogspot.com // Twitter: @matthewmcmillan // #include "mcp_can.h" #include <SPI.h> MCP_CAN CAN(10); //CAN CS pin int sensorPin = A0; //Pot for adusting value int sensorValue = 0; int cantxValue = 0; void setup() { Serial.begin(115200); // init can bus, baudrate: 500k if(CAN.begin(CAN_500KBPS) ==CAN_OK) Serial.print("CAN init ok\r\n"); else Serial.print("CAN init failed\r\n"); } void loop() { sensorValue = analogRead(sensorPin); //Read the value of the pot cantxValue = sensorValue / 4; //Divide by 4 to get us in the 0-255 range Serial.print("cantxValue: "); Serial.print(cantxValue); Serial.println(); //Create data packet for CAN message unsigned char canMsg[8] = {cantxValue, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; // format: (id, id_type, dlc, data buf) CAN.sendMsgBuf(0x17F8140E, 1, 8, canMsg); delay(100); }