的i2c twim driver在使用blocking mode阻塞模式调用twim_xfer时,即调用nrf_drv_twi_init初始化时传参event_handler为NULL。后续调用twim_xfer进行i2c数据发送和接收时,为阻塞模式,直到事务处理完成才返回到调用者。但twim_xfer只处理SUSPENDED、STOPPED、ERROR事件并返回,不处理其它事件,会一直loop,导致无法返回到调用者。
nRF52 SDK的i2c twim driver在使用blocking mode阻塞模式调用twim_xfer时,即调用nrf_drv_twi_init初始化时传参event_handler为NULL。后续调用twim_xfer进行i2c数据发送和接收时,为阻塞模式,直到事务处理完成才返回到调用者。但twim_xfer只处理SUSPENDED、STOPPED、ERROR事件并返回,不处理其它事件,会一直loop,导致无法返回...
*/voidspi_event_handler(nrf_drv_spi_evt_tconst*p_event,void*p_context){spi_xfer_done=true;}voidhal_spi_init(void){// nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG(SPI_INSTANCE);// spi_config.ss_pin = SPI_CS_PIN;// APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &sp...
*/voidI2C_Init(void){uint32 errCode;// 初始化TWI配置结构体constnrf_drv_twi_config_t twiConfig={.scl=BOARD_TWI_SCL_IO,// 配置TWI SCL引脚.sda=BOARD_TWI_SDA_IO,// 配置TWI SDA引脚.frequency=NRF_TWI_FREQ_400K,// 配置TWI时钟频率.interrupt_priority=APP_IRQ_PRIORITY_HIGH// TWI中断优先级...
false; //写入数据 err_code = nrf_drv_twi_tx(&m_twi, slave_address, data_buf, len, false); //等待TWI总线传输完成 timeOut = 0; while (I2C_xfer_done == false) { if (timeOut > 50) { return false; } else { timeOut++; } nrf_delay_us(100); } if (NRF_SUCCESS != ...
nrf_drv_twi_evt_handler_t event_handler, void * p_context); In this library function, there are four parameters, which are: //@ param [in] p_instance Pointer to the driver instance structure. This parameter represents an object instantiated by an I2C class, because NRF52840 can allocate ...
一 . 用nordic的SDK在调ADS1291,现在遇到的问题有2个：1. 读取寄存器0x00时，刚开始我是可以读取到...
case NRF_DRV_TWI_EVT_DONE:m_xfer_done = true;//置位传输完成标志 break;default:break;} } ...