F1的spi1没重映射时(即SPI1_REMAP = 0),相关管脚只能如下:NSS—PA4 SCK—PA5 MISO—PA6 MOSI...
3.配置流程 首先打开外设时钟(GPIOB、SPI1)开启复用时钟(AFIO),同时调用API :GPIO_ConfigPinRemap...
GPIO_PinRemapConfig(GPIO_FullRemap_TIM2, ENABLE); //TIM2 Remap CH1->PA15 TIM_DeInit(TIM2)...
由此看出,当PA15作为SPI1的remap引脚使用时,其不能完成由SPI1的硬件控制实现对从设备的选通功能。不...
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); //由于SPI3占用JTAG口,所以需要关闭JTAG ...
5.SPI1引脚重映射GPIO_PinRemapConfig(GPIO_Remap_SPI1,ENABLE); 接着初始化GPIO和SPI1即可,如: void SpiOpen(void) { GPIO_InitTypeDef GPIO_InitStructure; SPI_InitTypeDef SPI_InitStructure; /* Configure SPI1 pins: SCKand MOSI */ GPIO_InitStructure.GPIO_Pin = SD_MOSI|SD_SCK|SD_MISO; GPIO_InitStr...
void GPIO_Configuration(void){ GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);GPIO_...
RCC_APB1Periph_SPI3, ENABLE);GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);...
5.SPI1引脚重映射GPIO_PinRemapConfig(GPIO_Remap_SPI1,ENABLE); 接着初始化GPIO和SPI1即可,如: void SpiOpen(void) { GPIO_InitTypeDef GPIO_InitStructure; SPI_InitTypeDef SPI_InitStructure; /* Configure SPI1 pins: SCKand MOSI */ GPIO_InitStructure.GPIO_Pin = SD_MOSI|SD_SCK|SD_MISO; GPIO_InitStr...
GPIO_PinRemapConfig(GPIO_Remap_SPI1,ENABLE);SPI_Cmd(SPI2, DISABLE);SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;SPI_InitStructure.SPI_Mode = SPI_Mode_Master;SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;SPI_...