status = sd_bus_mode_config(SDIO_BUSMODE_4BIT);// status = sd_bus_mode_config( SDIO_BUS...
status = SD_START_BIT_ERROR; sdio_flag_clear(SDIO_FLAG_STBITE); return status; } while(RESET != sdio_flag_get(SDIO_FLAG_RXDTVAL)){ *ptempbuff = sdio_data_read(); ++ptempbuff; } /* clear the SDIO_INTC flags */ sdio_flag_clear(SDIO_MASK_INTC_FLAGS); }else if(SD_DMA_MODE ==...
status = SD_START_BIT_ERROR; sdio_flag_clear(SDIO_FLAG_STBITE); return status; } /* clear the SDIO_INTC flags */ sdio_flag_clear(SDIO_MASK_INTC_FLAGS); /* get the card state and wait the card is out of programming and receiving state */ status = sd_card_state_get(&cardstate);...
SD_Error SD_ProcessIRQSrc(void){ uint32_t count = 0, restwords = 0;if (DeviceMode == SD...
status = SD_TX_UNDERRUN_ERROR; sdio_flag_clear(SDIO_FLAG_TXURE); return status; }else if(RESET != sdio_flag_get(SDIO_FLAG_STBITE)){ status = SD_START_BIT_ERROR; sdio_flag_clear(SDIO_FLAG_STBITE); return status; } /* clear the SDIO_INTC flags */ ...
SD_Error SD_ProcessIRQSrc(void){ uint32_t count = 0, restwords = 0;if (DeviceMode == SD...
位0DTEMj 数掘传愉快能位(Data transfer enabed bit)如 28、果设迓该位为仁则开绐敦据传输.根据DTSI口与向位,DPSM进入Wait S戒Wait R状寒. 如里在传输的一开始吹设» rRWSTARTl:MDPSM注'读等持状态.水需要在憨传诒皓 来百淸陰忡能何.佢必循世改SDIO.DCTRL以允许斯的数驾传输.图1.4.4 SDIO_...
控制器的FIFO包含宽度为32bit、深度为32字的数据缓冲器和发送/接收逻辑。其中SDIO状态寄存器(SDIO_STA)的TXACT位用于指示当前正在发送数据,RXACT位指示当前正在接收数据,这两个位不可能同时为1。 当TXACT为1时,可以通过APB2接口将数据写入到传输FIFO。
一、内核中断初始化文件:kernel\init\main.c。...Linux内核中断初始化流程如下: start_kernel()-> init_IRQ()-> irqchip_init()-> of_irq_init(...__irqchip_of_table) ## 扫描和初始化设备树中的中断控制器("interrupt-controller") __irqchip_of_table在RK3399中断控制器GICv3初始化时赋值...二、...
/* 读取操作之后的数据 */printf("--- Read SD card block data after Write ---\r\n");if(HAL_SD_ReadBlocks(&hsd,Buffer_Rx,BLOCK_START_ADDR,NUM_OF_BLOCKS,10)==HAL_OK){while(HAL_SD_GetCardState(&hsd)!=HAL_SD_CARD_TRANSFER){}printf("\r\nRead Block Success!\r\n");for(i=0;i...