mmc_hal.h File Reference

Go to the source code of this file.

Macros
#define	MEMSPACE
#define	WEAK_ATR   __attribute__((weak))
#define	mmc_cli()   cli() /*< interrupt disable */
#define	mmc_sei()   sei() /*< interrupt enable */

Functions
MEMSPACE void	mmc_install_timer (void)
	Install MMC timer task: mmc_task() More...
void	mmc_spi_init (void)
	MMC SPI setup and chip select. More...
void	mmc_spi_begin (void)
	MMC SPI setup and chip select. More...
void	mmc_spi_end (void)
	MMC SPI end and chip deselect. More...
void	mmc_slow (void)
	MMC set slow SPI bus speed Only called when deselected. More...
void	mmc_fast (void)
	MMC fast SPI bus speed Only called when deselected. More...
void	mmc_spi_TX_buffer (const uint8_t *data, int count)
	SPI write buffer. More...
void	mmc_spi_RX_buffer (const uint8_t *data, int count)
	SPI read buffer. More...
uint8_t	mmc_spi_TXRX (uint8_t data)
	SPI read and write 1 byte. More...
MEMSPACE void	mmc_set_ms_timeout (uint16_t ms)
	Set MMC timeout timer in Milliseconds. More...
MEMSPACE int	mmc_test_timeout (void)
	Wait for timeout. More...
MEMSPACE void	mmc_ms_wait (int ms)
	Wait for time in milliseconds. More...
MEMSPACE int	mmc_init (int verbose)
	Initialize MMC and FatFs interface, display diagnostics. More...
MEMSPACE void	mmc_power_on (void)
	MMC Power ON. More...
MEMSPACE void	mmc_power_off (void)
	MMC Power OFF. More...
MEMSPACE int	mmc_ins_status (void)
	MMC Card Inserted status. More...
MEMSPACE int	mmc_wp_status (void)
	MMC Card Write Protect status. More...

Macro Definition Documentation

#define MEMSPACE

Definition at line 20 of file mmc_hal.h.

#define mmc_cli

(

)

cli() /*< interrupt disable */

Definition at line 34 of file mmc_hal.h.

Referenced by mmc_set_ms_timeout().

#define mmc_sei

(

)

sei() /*< interrupt enable */

Definition at line 35 of file mmc_hal.h.

Referenced by mmc_set_ms_timeout().

#define WEAK_ATR   __attribute__((weak))

Definition at line 25 of file mmc_hal.h.

Function Documentation

void mmc_fast

(

void

)

MMC fast SPI bus speed Only called when deselected.

• Used during normal file IO phases

  Returns

  void

Definition at line 123 of file mmc_hal.c.

MEMSPACE int mmc_init

(

int

verbose

)

Initialize MMC and FatFs interface, display diagnostics.

Parameters

[in]

verbose

display initialisation messages

Returns

Definition at line 208 of file mmc_hal.c.

Referenced by fatfs_tests(), open(), and setup().

MEMSPACE int mmc_ins_status

(

void

)

MMC Card Inserted status.

• We do not detect card insert status in this project.

  Returns

  1 card inserted

Definition at line 300 of file mmc_hal.c.

MEMSPACE void mmc_install_timer

(

void

)

Install MMC timer task: mmc_task()

See also

mmc_task()

Returns

void

Definition at line 79 of file mmc_hal.c.

Referenced by mmc_init().

MEMSPACE void mmc_ms_wait

(

int

ms

)

Wait for time in milliseconds.

Parameters

[in]

ms

timeout in Milliseconds

Definition at line 194 of file mmc_hal.c.

MEMSPACE void mmc_power_off

(

void

)

MMC Power OFF.

Returns

void

Definition at line 290 of file mmc_hal.c.

Referenced by power_off().

MEMSPACE void mmc_power_on

(

void

)

MMC Power ON.

Returns

void

Definition at line 282 of file mmc_hal.c.

Referenced by power_on().

MEMSPACE void mmc_set_ms_timeout

(

uint16_t

ms

)

Set MMC timeout timer in Milliseconds.

Parameters

[in]

ms

timeout in Milliseconds

See also

mmc_test_timeout ( )

Returns

void

Definition at line 161 of file mmc_hal.c.

Referenced by mmc_disk_initialize(), mmc_disk_read(), mmc_ms_wait(), rcvr_datablock(), and wait_ready().

void mmc_slow

(

void

)

MMC set slow SPI bus speed Only called when deselected.

• Used during card detect phase

  Returns

  void

Definition at line 113 of file mmc_hal.c.

Referenced by mmc_spi_init().

void mmc_spi_begin

(

void

)

MMC SPI setup and chip select.

Returns

void

Definition at line 97 of file mmc_hal.c.

void mmc_spi_end

(

void

)

MMC SPI end and chip deselect.

Returns

void

Definition at line 104 of file mmc_hal.c.

void mmc_spi_init

(

void

)

MMC SPI setup and chip select.

Returns

void

Definition at line 88 of file mmc_hal.c.

Referenced by mmc_init().

void mmc_spi_RX_buffer	(	const uint8_t *	data,
		int	count
	)

SPI read buffer.

Parameters

[in]	*data	transmit buffer
[in]	count	number of bytes to write

Returns

void

Definition at line 142 of file mmc_hal.c.

Referenced by rcvr_spi_multi().

void mmc_spi_TX_buffer	(	const uint8_t *	data,
		int	count
	)

SPI write buffer.

Parameters

[in]	*data	transmit buffer
[in]	count	number of bytes to write

Returns

void

Definition at line 133 of file mmc_hal.c.

Referenced by xmit_spi_multi().

uint8_t mmc_spi_TXRX

(

uint8_t

data

)

SPI read and write 1 byte.

Parameters

[in]

data

value to transmit

Returns

uint8_t value read

Definition at line 150 of file mmc_hal.c.

Referenced by xchg_spi().

MEMSPACE int mmc_test_timeout

(

void

)

Wait for timeout.

Returns

1 ready

0 timeout

Definition at line 172 of file mmc_hal.c.

Referenced by mmc_disk_initialize(), mmc_disk_read(), mmc_ms_wait(), rcvr_datablock(), and wait_ready().

MEMSPACE int mmc_wp_status

(

void

)

MMC Card Write Protect status.

• We do not detect card write protect status in this project.

  Returns

  0 == not write protected

Definition at line 313 of file mmc_hal.c.