SPI_InitTypeDef SPI_InitStructure;//Enable SPI1 clockRCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);//SPI1 configurationSPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;//Initially TxSPI_InitStructure.SPI_Mode =SPI_Mode_Master; SPI_InitStructure.SPI_DataSize=SPI_DataSize_8b; SPI_In...
__STATIC_INLINEvoidLL_SPI_ClearFlag_MODF(SPI_TypeDef *SPIx); 5.中断控制 __STATIC_INLINEvoidLL_SPI_EnableIT_ERR(SPI_TypeDef *SPIx);/* 使能ERR错误中断*/__STATIC_INLINEvoidLL_SPI_DisableIT_ERR(SPI_TypeDef *SPIx);/* 禁用ERR错误中断*/__STATIC_INLINEuint32_tLL_SPI_IsEnabledIT_ERR(SPI_T...
最终得出的结论,SPI的半双工模式有毛病。 STM32G4勘误手册里有句话: master receive-only mode (simplex receive or half-duplex bidirectional receive phase) and anSCK strobing edgehas not occurred since the transition of the RXNE flag from low to high. 我没看懂这个SCK strobing edge是什么意思。 我...
SPI_InitStructure.SPI_Mode=SPI_Mode_Master; SPI_InitStructure.SPI_DataSize=SPI_DataSize_8b; SPI_InitStructure.SPI_CPOL=SPI_CPOL_Low; SPI_InitStructure.SPI_CPHA=SPI_CPHA_2Edge; SPI_InitStructure.SPI_NSS= SPI_NSS_Soft; / /SPI_InitStructure.SPI_BaudRatePrescaler=SPI_BaudRatePrescaler_4; SPI_InitS...
7 SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //设置SPI单向或者双向的数据模式:SPI设置为双线双向全双工 8 SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //设置SPI工作模式:设置为主SPI 9 SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b; //设置SPI的数据大小:SPI发送接收8位...
STM32F3产品技术培训-03.SPI模块
半字(Half Word):是由两个连续的字节组成,通常表示为16位二进制数。半字可存储0-65535的无符号整数,或者-32768到32767的有符号整数。半字访问意味着每次访问两个字节。 字(Word):是由四个连续的字节组成,通常表示为32位二进制数。字可存储0-4294967295的无符号整数,或者-2147483648到2147483647的有符号整数。字...
半字(Half Word):是由两个连续的字节组成,通常表示为16位二进制数。半字可存储0-65535的无符号整数,或者-32768到32767的有符号整数。半字访问意味着每次访问两个字节。 字(Word):是由四个连续的字节组成,通常表示为32位二进制数。字可存储0-4294967295的无符号整数,或者-2147483648到2147483647的有符号整数。字...
mode: Full-Duplex Master Audio Frequency: 48KHz DMA Setting: SPI2_TX / I2S2_EXT_RX GPIO Setting 2.7 USB_DEVICE Class For FS IP: Audio Device Class USBD_AUDIO_FREQ: 48000 sample/s 描述符有些部分可以自定义 2.8 Clock Configuration
Advanced peripherals include two SDMMC interfaces, a flexible memory control (FMC) interface, a Quad-SPI Flash memory interface, a camera interface for CMOS sensors. The STM32F765xx, STM32F767xx, STM32F768Ax, and STM32F769xx devices operate in the –40 to +105 °C temperature range fro...