il3820_spiWrite.c File Reference

#include "il3820.h"
#include <propeller.h>

Functions
void	il3820_spiWrite (int mask_cs, int mask_sdi, int mask_clk, int mask_dc, char c, char dc)
	Low-level driver for sending a byte to the ePaper screen. More...
	__attribute__ ((fcache))
char	il3820_writeLock ()
	Returns the status of the SPI communication lockout so multiple cogs don't try to write to it at the same time. More...
void	il3820_writeLockSet (char devId)
	Sets the SPI communication lockout. More...
void	il3820_writeLockClear (char devId)
	Clears the SPI communication lockout. More...

Function Documentation

__attribute__()

__attribute__

(

(fcache)

)

il3820_spiWrite()

void il3820_spiWrite	(	int	mask_cs,
		int	mask_sdi,
		int	mask_clk,
		int	mask_dc,
		char	c,
		char	dc
	)

Low-level driver for sending a byte to the ePaper screen.

Parameters

mask_cs	Pin mask for the display's chip select pin.
mask_sdi	Pin mask for the display's serial data in pin.
mask_clk	Pin mask for the display's clock pin.
mask_dc	Pin mask for the display's data/command pin.
c	Byte to be transferred.
dc	Toggle whether the byte is a command or data.

il3820_writeLock()

char il3820_writeLock

(

)

Returns the status of the SPI communication lockout so multiple cogs don't try to write to it at the same time.

il3820_writeLockClear()

void il3820_writeLockClear

(

char

devId

)

Clears the SPI communication lockout.

Parameters

devId

The ID of the device (usually the chip select pin).

il3820_writeLockSet()

void il3820_writeLockSet

(

char

devId

)

Sets the SPI communication lockout.

Parameters

devId

The ID of the device (usually the chip select pin).