OVMS3/OVMS.V3/components/canopen/docs/Usage.cpp

29 lines
1 KiB
C++

// ================================================================================
// CANopen application usage
// ================================================================================
#include "canopen.h"
// find CAN interface:
canbus* bus = (canbus*) MyPcpApp.FindDeviceByName("can1");
// …or simply use m_can1 if you're a vehicle subclass ;)
// create CANopen client:
CANopenClient client(bus);
// read value from node #1 SDO 0x1008.00:
uint32_t value;
if (client.ReadSDO(1, 0x1008, 0x00, (uint8_t)&value, sizeof(value)) == COR_OK)
// start node #2, wait for presence:
if (client.SendNMT(2, CONC_Start, true) == COR_OK)
// write value into node #3 SDO 0x2345.18:
if (client.WriteSDO(3, 0x2345, 0x18, (uint8_t)&value, 0) == COR_OK)
// ================================================================================
// See shell commands in canopen.cpp for more examples.
// ================================================================================