/* * Filename: serial_port_service.c * * Description: This is the simple_peripheral example modified to send * data over BLE at a high throughput. * * * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/ * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *//********************************************************************* * INCLUDES */#include #include "bcomdef.h"#include "OSAL.h"#include "linkdb.h"#include "att.h"#include "gatt.h"#include "gatt_uuid.h"#include "gattservapp.h"#include "gapbondmgr.h"#ifdef SDI_USE_UART#include "inc/sdi_task.h"#endif#include "serial_port_service.h" #ifdef SDI_USE_UART#include "inc/sdi_tl_uart.h"#endif#include "ti/drivers/uart/UARTCC26XX.h"#include "board.h"#include "spp_ble_server.h"/********************************************************************* * MACROS */#define AUTO_NOTIFICATION FALSE/********************************************************************* * CONSTANTS */#define SERVAPP_NUM_ATTR_SUPPORTED 11gattAttribute_t SerialPortServiceAttrTbl[SERVAPP_NUM_ATTR_SUPPORTED]; /********************************************************************* * TYPEDEFS */typedef enum UART_STATUS_CHAR [ FRAMING_ERR_BYTE, PARITY_ERR_BYTE, RF_OVERRUN_BYTE] UART_STATUS_BYTE_DEF;/*! * @brief UART config service settings * * This enumeration defines the UART config bits in Byte 2 of config. char. */typedef enum UART_CONFIG_CHAR [ UART_CONFIG_START = 0, /*!> 8; ] else [ ret = bleInvalidRange; ] return ( ret );]/********************************************************************* * @fn SerialPortService_AddStatusErrorCount * * @brief Set a Serial Port Profile parameter. * * @param errorCode - UART_Status error code * * @return bStatus_t */bStatus_t SerialPortService_AddStatusErrorCount( UART_Status errorCode )[ bStatus_t ret = SUCCESS; switch(errorCode) [ case UART_PARITY_ERROR: numParityError++; SerialPortServiceStatus[PARITY_ERR_BYTE] = numParityError; break; case UART_OVERRUN_ERROR: numRFLinkOverRun++; SerialPortServiceStatus[RF_OVERRUN_BYTE] = numRFLinkOverRun; break; case UART_FRAMING_ERROR: numFramingError++; SerialPortServiceStatus[FRAMING_ERR_BYTE] = numFramingError; break; ] return ( ret );]/********************************************************************* * @fn SerialPortService_SetStatusRXBytes * * @brief Set a Serial Port Profile parameter. * * @param param - Profile parameter ID * @param len - length of data to write * @param value - pointer to data to write. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */bStatus_t SerialPortService_AddStatusRXBytes( uint16 count )[ bStatus_t ret = SUCCESS; if( count ) [ numRxBytes += count; SerialPortServiceStatus[4] = numRxBytes & 0x000000ff; SerialPortServiceStatus[3] = (numRxBytes & 0x0000ff00) >> 8; ] else [ ret = bleInvalidRange; ] return ( ret );]/********************************************************************* * @fn SerialPortService_SetUartConfig * * @brief Set a Serial Port Profile parameter. * * @param param - Profile parameter ID * @param len - length of data to write * @param value - pointer to data to write. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */bStatus_t SerialPortService_SetUartConfig( UART_Params *params )[ bStatus_t ret = SUCCESS; SerialPortParams.readMode = params->readMode; SerialPortParams.writeMode = params->writeMode; SerialPortParams.readTimeout = params->readTimeout; SerialPortParams.writeTimeout = params->writeTimeout; SerialPortParams.readCallback = params->readCallback; SerialPortParams.writeCallback = params->writeCallback; SerialPortParams.readReturnMode = params->readReturnMode; SerialPortParams.readDataMode = params->readDataMode; SerialPortParams.writeDataMode = params->writeDataMode; SerialPortParams.baudRate = params->baudRate; SerialPortParams.dataLength = params->dataLength; SerialPortParams.stopBits = params->stopBits; SerialPortParams.parityType = params->parityType; SerialPortParams.readEcho = params->readEcho; SerialPortParams.custom = params->custom; DEBUG("*****UART SETTINGS*****"); DEBUG_NEWLINE(); uint16_t count = SerialPortParams.baudRate/10; SerialPortServiceConfig[1] = count & 0x00ff; SerialPortServiceConfig[0] = (count & 0xff00) >> 8; //DEBUG("UART Baud Rate: "); //DEBUG((uint8_t*)convInt32ToText(SerialPortParams.baudRate)); DEBUG_NEWLINE(); SerialPortServiceConfig[2] &= 0xfe; //Start bit Low SerialPortServiceConfig[2] |= 0x02; //Stop bit High DEBUG("Stop bits: "); if(SerialPortParams.stopBits == UART_STOP_TWO) [ SerialPortServiceConfig[2] |= 0x04; //SPB = 1, 2 stop bit DEBUG("2 stop bit"); ] else [ SerialPortServiceConfig[2] &= 0xfb; //SPB = 0, 1 stop bit DEBUG("1 stop bit"); ] DEBUG_NEWLINE(); DEBUG("Parity: "); switch(SerialPortParams.parityType) [ case UART_PAR_NONE: SerialPortServiceConfig[2] &= 0xf7; //Parity disabled DEBUG("UART_PAR_NONE"); break; case UART_PAR_EVEN: SerialPortServiceConfig[2] |= 0x08; //Parity enabled SerialPortServiceConfig[2] |= 0x10; //Even parity DEBUG("UART_PAR_EVEN"); break; case UART_PAR_ODD: SerialPortServiceConfig[2] |= 0x08; //Parity enabled SerialPortServiceConfig[2] &= 0xef; //Even parity DEBUG("UART_PAR_ODD"); break; case UART_PAR_ZERO: break; case UART_PAR_ONE: break; ] DEBUG_NEWLINE(); //Hardware Flow control is not ready yet. SerialPortServiceConfig[2] &= 0xdf; return ( ret );]/********************************************************************* * @fn SerialPortService_GetUartConfig * * @brief Get a Serial Port Profile parameter. * * @param param - Profile parameter ID * @param len - length of data to write * @param value - pointer to data to write. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */bStatus_t SerialPortService_GetUartConfig( UART_Params *params )[ bStatus_t ret = SUCCESS; params->readMode = SerialPortParams.readMode; params->writeMode = SerialPortParams.writeMode; params->readTimeout = SerialPortParams.readTimeout; params->writeTimeout = SerialPortParams.writeTimeout; params->readCallback = SerialPortParams.readCallback; params->writeCallback = SerialPortParams.writeCallback; params->readReturnMode = SerialPortParams.readReturnMode; params->readDataMode = SerialPortParams.readDataMode; params->writeDataMode = SerialPortParams.writeDataMode; params->baudRate = SerialPortParams.baudRate; params->dataLength = SerialPortParams.dataLength; params->stopBits = SerialPortParams.stopBits; params->parityType = SerialPortParams.parityType; params->readEcho = SerialPortParams.readEcho; params->custom = SerialPortParams.custom; return ( ret );]/********************************************************************* * @fn SerialPortService_GetParameter * * @brief Get a Serial Port Profile parameter. * * @param param - Profile parameter ID * @param value - pointer to data to put. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */bStatus_t SerialPortService_GetParameter( uint8 param, void *value )[ bStatus_t ret = SUCCESS; switch ( param ) [ case SERIALPORTSERVICE_CHAR_DATA: VOID memcpy( value, SerialPortServiceData, SERIALPORTSERVICE_DATA_LEN ); break; case SERIALPORTSERVICE_CHAR_STATUS: VOID memcpy( value, SerialPortServiceStatus, SERIALPORTSERVICE_STATUS_LEN ); break; case SERIALPORTSERVICE_CHAR_CONFIG: VOID memcpy( value, SerialPortServiceConfig, SERIALPORTSERVICE_CONFIG_LEN ); break; default: ret = INVALIDPARAMETER; break; ] return ( ret );]/********************************************************************* * @fn SerialPortService_ReadAttrCB * * @brief Read an attribute. * * @param connHandle - connection message was received on * @param pAttr - pointer to attribute * @param pValue - pointer to data to be read * @param pLen - length of data to be read * @param offset - offset of the first octet to be read * @param maxLen - maximum length of data to be read * @param method - type of read message * * @return SUCCESS, blePending or Failure */static bStatus_t SerialPortService_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint16 *pLen, uint16 offset, uint16 maxLen, uint8 method )[ bStatus_t status = SUCCESS; // If attribute permissions require authorization to read, return error if ( gattPermitAuthorRead( pAttr->permissions ) ) [ // Insufficient authorization return ( ATT_ERR_INSUFFICIENT_AUTHOR ); ] // Make sure it's not a blob operation (no attributes in the profile are long) if ( offset > 0 ) [ return ( ATT_ERR_ATTR_NOT_LONG ); ] if ( pAttr->type.len == ATT_UUID_SIZE ) [ // Get 16-bit UUID from 128-bit UUID uint16 uuid = BUILD_UINT16( pAttr->type.uuid[12], pAttr->type.uuid[13]); switch ( uuid ) [ // No need for "GATT_SERVICE_UUID" or "GATT_CLIENT_CHAR_CFG_UUID" cases; // gattserverapp handles those reads // characteristics SERIALPORTSERVICE_STATUS_UUID and SERIALPORTSERVICE_CONFIG_UUID have read permissions // characteristic SERIALPORTSERVICE_DATA_UUID does not have read permissions, but because it // can be sent as a notification, it is included here case SERIALPORTSERVICE_DATA_UUID: *pLen = charDataValueLen; VOID memcpy( pValue, pAttr->pValue, charDataValueLen ); break; case SERIALPORTSERVICE_STATUS_UUID: *pLen = SERIALPORTSERVICE_STATUS_LEN; VOID memcpy( pValue, pAttr->pValue, SERIALPORTSERVICE_STATUS_LEN ); //Reset all counters numTxBytes = 0; SerialPortServiceStatus[6] = 0x00; SerialPortServiceStatus[5] = 0x00; numRxBytes = 0; SerialPortServiceStatus[4] = 0x00; SerialPortServiceStatus[3] = 0x00; numRFLinkOverRun = 0; numFramingError = 0; numParityError = 0; break; case SERIALPORTSERVICE_CONFIG_UUID: *pLen = SERIALPORTSERVICE_CONFIG_LEN; VOID memcpy( pValue, pAttr->pValue, SERIALPORTSERVICE_CONFIG_LEN ); break; default: // Should never get here! (characteristics 3 and 4 do not have read permissions) *pLen = 0; status = ATT_ERR_ATTR_NOT_FOUND; break; ] ] else if( pAttr->type.len == ATT_BT_UUID_SIZE) [ uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]); switch ( uuid ) [ default: // Should never get here! *pLen = 0; status = ATT_ERR_ATTR_NOT_FOUND; break; ] ] else [ //neither 16-bit UUID nor 128bit UUID *pLen = 0; status = ATT_ERR_INVALID_HANDLE; ] return ( status );]/********************************************************************* * @fn SerialPortService_WriteAttrCB * * @brief Validate attribute data prior to a write operation * * @param connHandle - connection message was received on * @param pAttr - pointer to attribute * @param pValue - pointer to data to be written * @param len - length of data * @param offset - offset of the first octet to be written * @param method - type of write message * * @return SUCCESS, blePending or Failure */static bStatus_t SerialPortService_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint16 len, uint16 offset, uint8 method )[ bStatus_t status = SUCCESS; uint8 notifyApp = 0xFF; // If attribute permissions require authorization to write, return error if ( gattPermitAuthorWrite( pAttr->permissions ) ) [ // Insufficient authorization return ( ATT_ERR_INSUFFICIENT_AUTHOR ); ] if ( pAttr->type.len == ATT_UUID_SIZE ) [ // 16-bit UUID uint16 uuid = BUILD_UINT16( pAttr->type.uuid[12], pAttr->type.uuid[13]); switch ( uuid ) [ case SERIALPORTSERVICE_DATA_UUID: if ( offset == 0 ) [ if ( len > SERIALPORTSERVICE_DATA_LEN ) [ status = ATT_ERR_INVALID_VALUE_SIZE; ] ] else [ status = ATT_ERR_ATTR_NOT_LONG; ] //Write the value if ( status == SUCCESS ) [ uint8 *pCurValue = (uint8 *)pAttr->pValue; //Copy/Store data to the GATT table entry memset(pCurValue, 0, SERIALPORTSERVICE_DATA_LEN); memcpy(pCurValue, pValue, len); #ifdef SDI_USE_UART //Send Data to UART SDITask_sendToUART(pCurValue, len);#else SNP_replyToHost_send(0x55, 0xFF, NULL, len, pCurValue);#endif //Toggle LED to indicate data received from client SPPBLEServer_toggleLed(Board_RLED, Board_LED_TOGGLE); if (len > 0) [ SerialPortService_AddStatusRXBytes( len ); ] notifyApp = SERIALPORTSERVICE_CHAR_DATA; ] break; case SERIALPORTSERVICE_CONFIG_UUID: //Validate the value if ( offset == 0 ) [ if ( len != SERIALPORTSERVICE_CONFIG_LEN ) [ status = ATT_ERR_INVALID_VALUE_SIZE; ] ] else [ status = ATT_ERR_ATTR_NOT_LONG; ] //Write the value if ( status == SUCCESS ) [ uint8 *pCurValue = (uint8 *)pAttr->pValue; memset(pCurValue, 0, SERIALPORTSERVICE_CONFIG_LEN); memcpy(pCurValue, pValue, len); //Configured in higher application layer notifyApp = SERIALPORTSERVICE_CHAR_CONFIG; ] break; default: // Should never get here! (characteristics 2 and 4 do not have write permissions) status = ATT_ERR_ATTR_NOT_FOUND; break; ] ] else if (pAttr->type.len == ATT_BT_UUID_SIZE ) [ // 16-bit UUID uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]); switch ( uuid ) [ case GATT_CLIENT_CHAR_CFG_UUID: status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len, offset, GATT_CLIENT_CFG_NOTIFY ); break; default: status = ATT_ERR_ATTR_NOT_FOUND; break; ] ] else [ //neither 16bit UUID nor 128bit UUID status = ATT_ERR_INVALID_HANDLE; ] // If a charactersitic value changed then callback function to notify application of change if ( (notifyApp != 0xFF ) && SerialPortService_AppCBs && SerialPortService_AppCBs->pfnSerialPortServiceChange ) [ SerialPortService_AppCBs->pfnSerialPortServiceChange( notifyApp ); ] return ( status );]/******************************************************************************************************************************************/ 致力于帮助更多使用TI平台的开发者！
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2019-10-30 09:44:39
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