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 */