/*----------------------------------------------------------------------------*/ /* Copyright (c) 2016-2017 FIRST. All Rights Reserved. */ /* Open Source Software - may be modified and shared by FRC teams. The code */ /* must be accompanied by the FIRST BSD license file in the root directory of */ /* the project. */ /*----------------------------------------------------------------------------*/ #pragma once #include #include "HAL/Types.h" // These are copies of defines located in CANSessionMux.h prepended with HAL_ #define HAL_CAN_SEND_PERIOD_NO_REPEAT 0 #define HAL_CAN_SEND_PERIOD_STOP_REPEATING -1 /* Flags in the upper bits of the messageID */ #define HAL_CAN_IS_FRAME_REMOTE 0x80000000 #define HAL_CAN_IS_FRAME_11BIT 0x40000000 #define HAL_ERR_CANSessionMux_InvalidBuffer -44086 #define HAL_ERR_CANSessionMux_MessageNotFound -44087 #define HAL_WARN_CANSessionMux_NoToken 44087 #define HAL_ERR_CANSessionMux_NotAllowed -44088 #define HAL_ERR_CANSessionMux_NotInitialized -44089 #define HAL_ERR_CANSessionMux_SessionOverrun 44050 struct HAL_CANStreamMessage { uint32_t messageID; uint32_t timeStamp; uint8_t data[8]; uint8_t dataSize; }; #ifdef __cplusplus extern "C" { #endif void HAL_CAN_SendMessage(uint32_t messageID, const uint8_t* data, uint8_t dataSize, int32_t periodMs, int32_t* status); void HAL_CAN_ReceiveMessage(uint32_t* messageID, uint32_t messageIDMask, uint8_t* data, uint8_t* dataSize, uint32_t* timeStamp, int32_t* status); void HAL_CAN_OpenStreamSession(uint32_t* sessionHandle, uint32_t messageID, uint32_t messageIDMask, uint32_t maxMessages, int32_t* status); void HAL_CAN_CloseStreamSession(uint32_t sessionHandle); void HAL_CAN_ReadStreamSession(uint32_t sessionHandle, struct HAL_CANStreamMessage* messages, uint32_t messagesToRead, uint32_t* messagesRead, int32_t* status); void HAL_CAN_GetCANStatus(float* percentBusUtilization, uint32_t* busOffCount, uint32_t* txFullCount, uint32_t* receiveErrorCount, uint32_t* transmitErrorCount, int32_t* status); #ifdef __cplusplus } // extern "C" #endif