//SPI_SPEED_8 8·ÖƵ (SPI 3M --sys 24M) //SPI_SPEED_16 16·ÖƵ (SPI 1.5M --sys 24M) //SPI_SPEED_256 256·ÖƵ (SPI 905.6K --sys 24M) void SPI2_SetSpeed(u8 SpeedSet) { SPI2->CR1&=0XFFC7;//Fsck=Fcpu/256 if(SpeedSet==SPI_SPEED_2)//¶þ...
SPI1_SetSpeed(u8 SPI_BaudRatePrescaler) _param(IS_SPI_BAUDRATE_PRESCALER(SPI_BaudRatePrescaler)); //判断有效性 _HAL_SPI_DISABLE(&SPI1_Handler); //关闭SPI 1_Handler.Instance-》CR1&=0XFFC7; //位3~5清零,用来设置波特率 1_Handler.Instance-》CR1|=SPI_BaudRatePrescaler; //设置SPI...
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;//¸´Óù¦ÄÜÍÆÍìÊä³ö GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); init_emit_electrode(); } //PWM波的配置,及使能 void init_emit_electrode(void) { TIM_TimeBaseI...
_Init(); //SPI2初始化 SPI2_SetSpeed(SPI_SPEED_256);//SPI2速度两分频 while(1) {//printf("Slave_Temp=%x\r\n" vfdfvvdw 2018-07-06 03:08:40 如何对STM32L151的SPI2进行调试呢 STM32L151 SPI2调试笔记项目中SPI1已使用,另一个芯片SPI通信方式,不得不采用SPI2通信,前面使用的是正点原子的...
void SPI2_SetSpeed(u8 SPI_BaudRatePrescaler){ assert_param 60user55 2020-07-26 08:00:33 基于STM32F103ZET6芯片实现SPI1与SPI2的主从通信 例子说明及框图本例子基于STM32F103ZET6芯片(代码工程可在文末获取),实现SPI1与SPI2的主从通信。其中SPI1配置为主机,SPI2配置为从机,均配置为全双工模式。
device_config_t device_conf = {.cs_io_num = NULL_SPI_CS_PIN,.clock_speed_hz = SPI_Flash...
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIO_InitStructure);} 上面这...
0x1A 68#define RFU1B 0x1B 69#define MifareReg 0x1C 70#define RFU1D 0x1D 71#define RFU1E 0x1E 72#define SerialSpeedReg 0x1F 73// PAGE 2
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP...
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;...