TMC2660 步进电机驱动

#include "TMC2660.h" /****************************************************************************** ** 函数 : void TMC2660_CS_Initial(void) ** 功能 : TMC2660片选初始化 ** 参数 : 无 ** 返回 : 无 ** 修改时间 : 2013-12-06 ** 说明 : ******************************************************************************/ void TMC2660_CS_Initial(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(TMC2660_CS_CLK, ENABLE); GPIO_InitStructure.GPIO_Pin = TMC2660_CS_Pin; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; GPIO_Init(TMC2660_CS_Port, &GPIO_InitStructure); TMC2660_CS_NoSelect; TMC2660_CS_Select; printf("TMC2660_CS_ 选中: %d ", TMC2660_CS_State); TMC2660_CS_NoSelect; printf(" 未选: %d\r\n", TMC2660_CS_State); } unsigned int TMC2660_ReadWrite(unsigned int dat_) { unsigned char tmp_1, tmp_2, tmp_3; unsigned char tmp_4, tmp_5, tmp_6; unsigned int ret_; tmp_4 = (dat_ >> 16) & 0xFF; tmp_5 = (dat_ >> 8) & 0xFF; tmp_6 = dat_ & 0xFF; printf("%02X %02X %02X\r\n\r\n", tmp_4, tmp_5, tmp_6); TMC2660_CS_LOW; tmp_1 = SPI_ReadWrite_Byte(TMC2660_SPI_Port, tmp_4); tmp_2 = SPI_ReadWrite_Byte(TMC2660_SPI_Port, tmp_5); tmp_3 = SPI_ReadWrite_Byte(TMC2660_SPI_Port, tmp_6); TMC2660_CS_HIGH; ret_ = (tmp_1 << 16) | (tmp_2 << 8) |tmp_3; return ret_; }