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sdmmc_ll_init_dma() function
Init DMA - enable dma - clear bus mode reg and reset all dmac internal regs - enable internal dmac interrupt
Syntax
Related Functions
Found 44 other functions taking a ![]()
sdmmc_dev_t
argument:
Function
Description
Enable interrupt
Clear interrupt
Disable clock when the card is in IDLE state
Enable card clock
Set card width
Enable the bus clock for SDMMC module
Set SDMMC clock div
Get if command is taken by CIU
Get masked interrupt-status register value
Enable / disable interrupts globally
Reset the SDMMC module
Reset controller
Select SDMMC clock source
Deinit clock
Get card clock div
Get SDMMC clock div
Initialise the din, dout, self delay phase
Set card clock div
Set data transfer length
Set block size
Set descriptor addr
Poll demand
Set command
Set command argument
Get version ID
Get if controller reset is done
Reset DMA
Get if dma reset is done
Reset fifo
Get if fifo reset is done
Set card data read timeout cycles
Set response timeout cycles (in card output clocks)
Check if card is detected
Check if card is write protected
Switch between 3.3V and 1.8V mode
Enable DDR mode
Get hardware configuration info
Enable / disable busy clear interrupt
Get internal dmac status register val
Clear internal dmac status register events
Is card data busy
Enable DMA
Stop DMA
Get RAW interrupt-status register value
References
Code
Location
Referrer
Data Use
sdmmc_ll_init_dma() reads 3 variables and writes 6 variables: