The SPI, PWM, Temperature definitions of COG hardware driver. More...

#include "Pervasive_Displays_small_EPD.h"

Macros
#define	SMCLK_FREQ (16000000)

#define	__External_Temperature_Sensor

#define	SPISEL P1SEL

#define	SPISEL2 P1SEL2

#define	SPIIE IE2

#define	SPICTL0 UCB0CTL0

#define	SPICTL1 UCB0CTL1

#define	SPIBR0 UCB0BR0

#define	SPIBR1 UCB0BR1

#define	SPIMCTL UCA0MCTL

#define	SPIIFG IFG2

#define	SPIRXBUF UCB0RXBUF

#define	SPIRXIFG UCB0RXIFG

#define	SPITXBUF UCB0TXBUF

#define	SPITXIFG UCB0TXIFG

#define	SPISTAT UCB0STAT

#define	SPI_baudrate (SMCLK_FREQ/COG_SPI_baudrate)

Functions
void	spi_init (void)
	Configure SPI.

void	spi_attach (void)
	Initialize SPI.

void	spi_detach (void)
	Disable SPI and change to GPIO.

void	SPI_send (unsigned char Register, unsigned char *Data, unsigned Length)
	SPI command if register data is larger than two bytes. More...

void	SPI_send_byte (uint8_t Register, uint8_t Data)
	SPI command. More...

uint8_t	SPI_read (unsigned char RDATA)
	SPI synchronous read.

void	SPI_write (unsigned char Data)
	SPI synchronous write.

uint8_t	SPI_write_ex (unsigned char Data)
	Send data to SPI with time out feature. More...

void	sys_delay_ms (unsigned int ms)
	Delay mini-seconds. More...

void	start_EPD_timer (void)
	Start Timer.

void	stop_EPD_timer (void)
	Stop Timer.

uint32_t	get_current_time_tick (void)
	Get current Timer after starting a new one.

void	PWM_start_toggle (void)
	The PWM signal starts toggling.

void	PWM_stop_toggle (void)
	The PWM signal stops toggling.

void	PWM_run (uint16_t time)
	PWM toggling. More...

void	initialize_temperature (void)
	Initialize the temperature sensor.

int16_t	get_temperature (void)
	Get temperature value from ADC. More...

void	EPD_display_hardware_init (void)
	Initialize the EPD hardware setting.

Detailed Description

The SPI, PWM, Temperature definitions of COG hardware driver.

Authors: Pervasive Displays Inc.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

#define SPI_baudrate (SMCLK_FREQ/COG_SPI_baudrate)

the baud rate of SPI

#define SPISEL P1SEL

SPI Defines

Function Documentation

int16_t get_temperature ( void )

Get temperature value from ADC.

Returns: the Celsius temperature

void PWM_run ( uint16_t ms )

PWM toggling.

Parameters

ms	The interval of PWM toggling (mini seconds)

void SPI_send	(	unsigned char	register_index,
		unsigned char *	register_data,
		unsigned	length
	)

SPI command if register data is larger than two bytes.

Parameters

register_index	The Register Index as SPI command to COG
register_data	The Register Data for sending command data to COG
length	The number of bytes of Register Data which depends on which Register Index is selected.

void SPI_send_byte	(	uint8_t	register_index,
		uint8_t	register_data
	)

SPI command.

Parameters

register_index	The Register Index as SPI command to COG
register_data	The Register Data for sending command data to COG

uint8_t SPI_write_ex ( unsigned char Data )

Send data to SPI with time out feature.

Parameters

data	The data to be sent out

void sys_delay_ms ( unsigned int ms )

Delay mini-seconds.

Parameters

ms	The number of mini-seconds

Macros

Functions

Detailed Description

Macro Definition Documentation

Function Documentation