想问一下,这个函数中,指向数据的指针是16位的,我能不能改为uint8 * srcbuff来使用这个函数并实现传递8位数据的功能?
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不用改,只要在HALCoGen中设置为传输8位就可以了,如图所示
我的主程序如下:
/** @file sys_main.c * @brief Application main file * @date 07-July-2017 * @version 04.07.00 * * This file contains an empty main function, * which can be used for the application. */ /* * Copyright (C) 2009-2016 Texas Instruments Incorporated - 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. * */ /* USER CODE BEGIN (0) */ /* USER CODE END */ /* Include Files */ #include "sys_common.h" /* USER CODE BEGIN (1) */ #include "system.h" #include "spi.h" /* USER CODE END */ /** @fn void main(void) * @brief Application main function * @note This function is empty by default. * * This function is called after startup. * The user can use this function to implement the application. */ /* USER CODE BEGIN (2) */ uint16 TX_Data_Master[8] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 }; /* USER CODE END */ int main(void) { /* USER CODE BEGIN (3) */ spiDAT1_t dataconfig1_t; dataconfig1_t.CS_HOLD = TRUE;//CS 保持 dataconfig1_t.WDEL = TRUE;//帧数据传输结束后,延迟数个WDELAY dataconfig1_t.DFSEL = SPI_FMT_0;//数据帧格式选择 dataconfig1_t.CSNR = 0xFE;//选择片选引脚 spiInit(); spiTransmitData(spiREG4, &dataconfig1_t, 8, TX_Data_Master); while(1); /* USER CODE END */ return 0; } /* USER CODE BEGIN (4) */ /* USER CODE END */