yitran Ynet电力载波网络协议源代码

#define IT700_DRIVER_H_MAIN_FILE #include <IT700Driver.h> // NOP reset command BYTE sbyNOPCmdDY[] = { HOST_EI_ATTENTION, 02, 00, eHOST_EI_PACKET_TYPES_REQUEST, (eHOST_EI_SERVICE_TYPES_EMBEDDED_SERVICES << HOST_EI_OPCODE_SERVICE_TYPE_SHIFT) + eHOST_EI_SERVICE_SUBTYPES_EMBEDDED_SERVICES_NO_OP }; // Software reset command BYTE sbyResetCmdDY[] = { HOST_EI_ATTENTION, 02, 00, eHOST_EI_PACKET_TYPES_REQUEST, (eHOST_EI_SERVICE_TYPES_STACK_SERVICES << HOST_EI_OPCODE_SERVICE_TYPE_SHIFT) + eHOST_EI_SERVICE_SUBTYPES_STACK_SERVICES_RESET, 0x22 //checksum. This command sent directly (not through s_bSendWaitForResponse) }; // Go online command BYTE sbyGoOnlineCmdDY[] = { HOST_EI_ATTENTION, 02, 00, eHOST_EI_PACKET_TYPES_REQUEST, (eHOST_EI_SERVICE_TYPES_STACK_SERVICES << HOST_EI_OPCODE_SERVICE_TYPE_SHIFT) + eHOST_EI_SERVICE_SUBTYPES_STACK_SERVICES_GO_ONLINE }; /*---------------------------------------------------------------------- * Function name: IT700Driver_ClearIncomingRspPacket * Input: void * Output: void * Purpose: Incoming Response Parsed - Ready to receive the new one *-----------------------------------------------------------------------*/ static void s_ClearIncomingRspPacket(void) { g_IT700Driver_struct.strInResp.bInRespRxFlag = FALSE; g_IT700Driver_struct.byIncomingPacketOpcode = 0; g_IT700Driver_struct.byIncomingPacketType = 0; } /*---------------------------------------------------------------------- * Function name: s_byCalcCheckSum * Input: pointer to data, data length * Output: checksum value * Purpose: calaultion of checksum for host command *-----------------------------------------------------------------------*/ static BYTE s_byCalcCheckSum(PBYTE pbyData, WORD wLength) { BYTE byResp = 0; WORD i; for (i=0;i<wLength;i++) { byResp += pbyData[i]; } return byResp; } /*---------------------------------------------------------------------- * Function name: bSend_WaitForResponse * Input: pointer to data, data length * Output: timeout * Purpose: transmit packet and wait for response *-----------------------------------------------------------------------*/ static BOOL s_bSendWaitForResponse(PBYTE pbyData, WORD wLength) { WORD wTimeoutTicks; BYTE byCheckSum; s_ClearIncomingRspPacket(); byCheckSum = s_byCalcCheckSum(&pbyData[eHOST_EI_IDX_LENGTH_LSB], wLength - eHOST_EI_IDX_LENGTH_LSB); // transmit packet via UART HAL_UART_UART1_Transmit(pbyData, wLength); // transmit checksum HAL_UART_UART1_Transmit(&byCheckSum, 1); // calculate timeout ticks: wTimeoutTicks = IT700Driver_wCalculateTimeoutValue(IT700_DRIVER_TIMEOUT_TICKS); // wait while packet received, and right command ID available while( (!g_IT700Driver_struct.strInResp.bInRespRxFlag) || (g_IT700Driver_struct.byIncomingPacketOpcode != pbyData[eHOST_EI_IDX_OPCODE]) ) { if(IT700Driver_bIsTimeoutOccured(wTimeoutTicks)) { return FALSE; // return FALSE if timeout } } return TRUE; } /*---------------------------------------------------------------------- * Function name: IT700Driver_Reset_PIM_HW * Input: void * Output: Status * Purpose: Hard Reset IT700 and wait for Reset response *-----------------------------------------------------------------------*/ BOOL IT700Driver_bReset_PIM_HW(void) { WORD i; WORD wTimeoutTicks; BOOL bSuccess = TRUE; g_IT700Driver_struct.bResetReceived = FALSE; s_ClearIncomingRspPacket(); HAL_IO_togglePin // Clear RESET pin ( PIM_RESET_PORT, PIM_RESET_PIN, OUT, CLEAR ); for(i=0;i<0xFFFF;i++); // delay - at least 7 mSec HAL_IO_togglePin // Set RESET pin ( PIM_RESET_PORT, PIM_RESET_PIN, OUT, SET ); // calculate timer timeout value wTimeoutTicks = IT700Driver_wCalculateTimeoutValue(IT700_DRIVER_TIMEOUT_TICKS); while(!g_IT700Driver_struct.bResetReceived) // wait for Reset response to { // be received from IT700 if(IT700Driver_bIsTimeoutOccured(wTimeoutTicks)) { bSuccess = FALSE; // exit if timeout occurred break; } } if( ((g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_SUCCESS) || // check if response is valid (g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_AUTOCONFIG) || (g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_LOADDEFAULT)) && bSuccess ) { g_IT700Driver_struct.bResetReceived = FALSE; // reset received flag } else { bSuccess = FALSE; } // Incoming Packet Parsed - Release the Buffer s_ClearIncomingRspPacket(); return bSuccess; } /*---------------------------------------------------------------------- * Function name: IT700Driver_Reset_PIM_HW * Input: void * Output: Status * Purpose: Soft Reset IT700 and wait for Reset response *-----------------------------------------------------------------------*/ BOOL IT700Driver_bReset_PIM_SW(void) { BOOL bSuccess = TRUE; WORD wTimeoutTicks; g_IT700Driver_struct.bResetReceived = FALSE; s_ClearIncomingRspPacket(); HAL_UART_UART1_Transmit(sbyResetCmdDY, sizeof(sbyResetCmdDY)); // transmit reset command wTimeoutTicks = IT700Driver_wCalculateTimeoutValue(IT700_DRIVER_TIMEOUT_TICKS); while(!g_IT700Driver_struct.bResetReceived) // wait for response { if(IT700Driver_bIsTimeoutOccured(wTimeoutTicks)) { bSuccess = FALSE; break; } } // check if response is valid if( ((g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_SUCCESS) || // check if response is valid (g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_AUTOCONFIG) || (g_IT700Driver_struct.strInResp.pbyInRespBuffer[0] == HOST_EI_RESET_CAUSE_LOADDEFAULT)) && bSuccess ) { g_IT700Driver_struct.bResetReceived = FALSE; } else { bSuccess = FALSE; } // Incoming Packet Parsed - Release the Buffer s_ClearIncomingRspPacket(); return bSuccess; } /*---------------------------------------------------------------------- * Function name: IT700Driver_Init * Input: void * Output: void * Purpose: Init Driver: Init IT700Driver variables Set UART CB Rx Function Start Timeout Timer *-----------------------------------------------------------------------*/ void IT700Driver_Init(void) { g_IT700Driver_struct.byIncomingPacketOpcode = 0; g_IT700Driver_struct.byIncomingPacketType = 0; g_IT700Driver_struct.pOnIncomingDataPacket = NULL; g_IT700Driver_struct.wInLength = 0; g_IT700Driver_struct.wInPLIdx = 0; g_IT700Driver_struct.strInData.bInDataRxFlag = FALSE; g_IT700Driver_struct.strInData.wIncomingDataPacketLength = 0; g_IT700Driver_struct.strInResp.bInRespRxFlag = FALSE; g_IT700Driver_struct.byRxState = eIT700DRIVER_RX_STATES_ATTN; // set pointer to incoming data CB function: HAL_UART_UART1_SetOnRxByteCB(IT700Driver_CB_OnRxByte); // start timer HAL_Timer_StartTimer0(0x00,HAL_TIMER_CLOCK_DIV_1024); } /*---------------------------------------------------------------------- * Function name: IT700Driver_CB_OnRxByte * Input: incoming byte * Output: void * Purpose: process incoming data. Save incoming data to 1 of 3 buffers according to the packet ID: 1. Response Buffer 2. Rx Data Packet Buffer 3. NL Buffer *-----------------------------------------------------------------------*/ void IT700Driver_CB_OnRxByte(BYTE byData) { switch(g_IT700Driver_struct.byRxState) // check the RX state { // state: no data available case (eIT700DRIVER_RX_STATES_ATTN): // check if attention char received if(byData == HOST_EI_ATTENTION) { g_IT700Driver_struct.byRxState = eI