hspi.h File Reference

Go to the source code of this file.

Macros
#define	SPI   0
#define	HSPI   1
#define	HSPI_FIFO_SIZE   64
#define	CONFIG_FOR_TX   1
#define	CONFIG_FOR_RX_TX   2

Functions
void	hspi_init (uint32_t prescale, int hwcs)
	HSPI Initiaization - with automatic chip select Pins: MISO GPIO12 MOSI GPIO13 CLK GPIO14 CS GPIO15 - optional DC GPIO2. More...
void	hspi_waitReady (void)
	HSPI Ready wait. More...
void	hspi_TX (uint8_t *data, int count)
	SPI buffered write functions. More...
void	hspi_TXRX (uint8_t *data, int count)
	HSPI write and read using FIFO. More...
void	hspi_RX (uint8_t *data, int count)
	HSPI read using FIFO. More...

Macro Definition Documentation

#define CONFIG_FOR_RX_TX   2

Definition at line 16 of file hspi.h.

Referenced by hspi_config(), hspi_RX(), and hspi_TXRX().

#define CONFIG_FOR_TX   1

Definition at line 15 of file hspi.h.

Referenced by hspi_config(), and hspi_TX().

#define HSPI   1

Definition at line 12 of file hspi.h.

Referenced by hspi_config(), hspi_init(), hspi_readFIFO(), hspi_setBits(), hspi_startSend(), hspi_waitReady(), and hspi_writeFIFO().

#define HSPI_FIFO_SIZE   64

Definition at line 13 of file hspi.h.

Referenced by hspi_readFIFO(), hspi_RX(), hspi_TX(), hspi_TXRX(), and hspi_writeFIFO().

#define SPI   0

Definition at line 11 of file hspi.h.

Function Documentation

void hspi_init	(	uint32_t	prescale,
		int	hwcs
	)

HSPI Initiaization - with automatic chip select Pins: MISO GPIO12 MOSI GPIO13 CLK GPIO14 CS GPIO15 - optional DC GPIO2.

Parameters

[in]	prescale	prescale from CPU clock 0 .. 0x1fff
[in]	hwcs	enable GPIO15 hardware chip select

Returns

void

Definition at line 55 of file hspi.c.

Referenced by setup(), and spi_init().

void hspi_RX	(	uint8_t *	data,
		int	count
	)

HSPI read using FIFO.

Parameters

[in]	*data	receive buffer
[in]	count	number of bytes to read

Returns

void

Definition at line 318 of file hspi.c.

Referenced by spi_RX(), and spi_RX_buffer().

void hspi_TX	(	uint8_t *	data,
		int	count
	)

SPI buffered write functions.

=================================================================HSPI write using FIFO

Parameters

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

Returns

void

Definition at line 265 of file hspi.c.

Referenced by spi_TX(), and spi_TX_buffer().

void hspi_TXRX	(	uint8_t *	data,
		int	count
	)

HSPI write and read using FIFO.

Parameters

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

Returns

void

Definition at line 292 of file hspi.c.

Referenced by spi_TXRX(), and spi_TXRX_buffer().

void hspi_waitReady

(

void

)

HSPI Ready wait.

Returns

void

Definition at line 159 of file hspi.c.

Referenced by esp_yield(), hspi_config(), hspi_init(), hspi_RX(), hspi_TX(), hspi_TXRX(), loop_wrapper(), and spi_waitReady().