dsPIC33EP64MC504.zip_PIC_dsPIC33EP32MC504_dsPIC33EP64MC504_senso

/******************************************************************************/ // // Software License Agreement // // The software supplied herewith by Microchip Technology Incorporated // (the “Company”) for its PICmicro® Microcontroller is intended and // supplied to you, the Company’s customer, for use solely and // exclusively on Microchip PICmicro Microcontroller products. The // software is owned by the Company and/or its supplier, and is // protected under applicable copyright laws. All rights are reserved. // Any use in violation of the foregoing restrictions may subject the // user to criminal sanctions under applicable laws, as well as to // civil liability for the breach of the terms and conditions of this // license. // // THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, // WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED // TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A // PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, // IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. // /*****************************************************************************/ // File: RTDM.c // // This program along with MPLAB DMCI ( MPLAB 8.10 or higher) create an alternative link //between Host PC and target device for debugging applications in real-time. //It is required to include the RTDM.C file and RTDM.h into the application project //in order to send/receive data through the UART to/from the host PC running under //MPLAB (release 8.10 or higher) DMCI environment. // NOTE:DMCI included in MPLAB 8.10 or higher is ready and enabled to support data exchange //between the host PC and target device. Previous versions of DMCI do not support this feature. // NOTE: RTDM is currently supported by PIC24H, dsPIC30F, dsPIC33F and dsPIC33E processors // // // Written By: M.Ellis, D. Torres, // Microchip Technology Inc // // // The following files should be included in the MPLAB project: // // RTDM.c -- RTDM source code file // RTDM.h -- RTDM header file // RTDMUSER.h -- RTDM user definitions file // libpXXXX-coff.a -- Your dsPIC/PIC24 Peripheral Library // pXXXXXXX.gld -- your dsPIC/PIC24 Linker script file // // /*****************************************************************************/ // // Revision History // // 4/7/08 -- First Version Release /****************************************************************************/ // // Revision History // // 4/12/10 -- Added support for dsPIC33E and PIC24E (supports UART3 and UART4) /****************************************************************************/ #include "RTDM.h" /*+++++++++++++++++++++++++++++++ RTDM Variables ++++++++++++++++++++++++++++++++++++++++*/ /* Received data is stored in array RTDMRxBuffer */ unsigned char RTDMRxBuffer[RTDM_RXBUFFERSIZE]; unsigned char * RTDMRxBufferLoLimit = RTDMRxBuffer; unsigned char * RTDMRxBufferHiLimit = RTDMRxBuffer + RTDM_RXBUFFERSIZE - 1; unsigned char * RTDMRxBufferIndex = RTDMRxBuffer; unsigned char * RTDMRxBufferStartMsgPointer; unsigned char * RTDMRxBufferEndMsgPointer; /* Data to be transmitted using UART communication module */ const unsigned char RTDMTxdata[] = {'R','T','D','M','\0'}; const unsigned char RTDMSanityCheckOK[] = {'+','$','R','T','D','M','#',0x1B,0x86,'\0'}; const unsigned char RTDMWriteMemoryOK[] = {'+','$','O','K','#',0x4C,0x08,'\0'}; const unsigned char RTDMErrorIllegalFunction[] = {'-','$','E',0x01,'#',0xD3,0x6A,'\0'}; unsigned char RTDMErrorFrame[] = {'-','$','E',0,'#',0,0,'\0'}; /* Temp variables used to calculate the CRC16*/ unsigned int RTDMcrcTemp,RTDMcrcTempH,RTDMcrcTempL; /*Structure enclosing the RTDM flags*/ struct { unsigned MessageReceived : 1; unsigned TransmitNow : 1; unsigned unused : 14; } RTDMFlags; /* UART Configuration data */ /* Holds the value of uart config reg */ unsigned int RTDM_UART_MODE_VALUE; /* Holds the information regarding uart TX & RX interrupt modes */ unsigned int RTDM_UART_STA_VALUE; #if (RTDM_UART == 1) /****************************************************************************** * Function: RTDM_Start() * * Output: return 0 if no errors * * Overview: Here is where the RTDM code initilizes the UART to be used to * exchange data wiht the host PC * * Note: Some processors may have more UART modules, that is why it is required to * specify wich UART module is going to be used by RTDM *******************************************************************************/ #if defined (RTDM_UART_V2) int RTDM_Start() { /********************** UART CONFIGURATIION ***************************/ /* Turn off UART1 module */ CloseUART1(); /* Configure UART2 receive and transmit interrupt */ ConfigIntUART1(UART_RX_INT_EN & (UART_RX_INT_PR0+RTDM_UART_PRIORITY) & UART_TX_INT_DIS & UART_TX_INT_PR2); /* Configure UART1 module to transmit 8 bit data with one stopbit. */ RTDM_UART_MODE_VALUE = UART_EN & UART_IDLE_CON & UART_IrDA_DISABLE & UART_MODE_FLOW & UART_UEN_00 & UART_DIS_WAKE & UART_DIS_LOOPBACK & UART_DIS_ABAUD & UART_UXRX_IDLE_ONE & UART_BRGH_SIXTEEN & UART_NO_PAR_8BIT & UART_1STOPBIT; RTDM_UART_STA_VALUE = UART_INT_TX_BUF_EMPTY & UART_IrDA_POL_INV_ZERO & UART_SYNC_BREAK_DISABLED & UART_TX_ENABLE & UART_INT_RX_CHAR & UART_ADR_DETECT_DIS & UART_RX_OVERRUN_CLEAR; OpenUART1(RTDM_UART_MODE_VALUE, RTDM_UART_STA_VALUE, RTDM_BRG); /************* RTDM Flags Configuration & Initial Values *****************/ RTDMFlags.MessageReceived = 0; RTDMFlags.MessageReceived = 0; RTDMRxBufferIndex = RTDMRxBufferLoLimit; RTDMRxBufferStartMsgPointer = RTDMRxBufferLoLimit; RTDMRxBufferEndMsgPointer = RTDMRxBufferLoLimit; return 0; } #elif defined (RTDM_UART_V1) int RTDM_Start() { /********************** UART CONFIGURATIION ***************************/ /* Turn off UART1 module */ CloseUART1(); /* Configure UART2 receive and transmit interrupt */ ConfigIntUART1(UART_RX_INT_EN & (UART_RX_INT_PR0+RTDM_UART_PRIORITY) & UART_TX_INT_DIS & UART_TX_INT_PR2); /* Configure UART1 module to transmit 8 bit data with one stopbit. */ RTDM_UART_MODE_VALUE = UART_EN & UART_IDLE_CON & UART_DIS_WAKE & UART_DIS_LOOPBACK & UART_DIS_ABAUD & UART_NO_PAR_8BIT & UART_1STOPBIT; RTDM_UART_STA_VALUE = UART_INT_TX_BUF_EMPTY & UART_TX_PIN_NORMAL & UART_TX_ENABLE & UART_INT_RX_CHAR & UART_ADR_DETECT_DIS & UART_RX_OVERRUN_CLEAR; OpenUART1(RTDM_UART_MODE_VALUE, RTDM_UART_STA_VALUE, RTDM_BRG); /************* RTDM Flags Configuration & Initial Values *****************/ RTDMFlags.MessageReceived = 0; RTDMFlags.MessageReceived = 0; RTDMRxBufferIndex = RTDMRxBufferLoLimit; RTDMRxBufferStartMsgPointer = RTDMRxBufferLoLimit; RTDMRxBufferEndMsgPointer = RTDMRxBufferLoLimit; return 0; } #endif /****************************************************************************** * Function: CloseRTDM() * * Output: return 0 if no errors * * Overview: Here is where the RTDM code closes the UART used to * exchange data wiht the host PC * * Note: Some processors may have more UART modules, that is why it is required to * specify wich UART module is going to be used by RTDM *******************************************************************************/ int CloseRTDM() { int nRet = 0; CloseUART1(); return nRet; } /****************************************************************************** * Function: RTDM_ProcessMsgs() * * Output: return 0 if no errors * * Overview: Here is where th