dip204_example.c File Reference

#include "board.h"
#include "dip204.h"
#include "intc.h"
#include "gpio.h"
#include "pm.h"
#include "delay.h"
#include "spi.h"
#include "conf_clock.h"

Macros
#define	GPIO_BACKLIGHT_MINUS   GPIO_PUSH_BUTTON_1
#define	GPIO_BACKLIGHT_PLUS   GPIO_PUSH_BUTTON_2
#define	GPIO_CHARSET   GPIO_PUSH_BUTTON_0

Functions
void	dip204_example_configure_joystick_IT (void)
	function to configure joystick to generate IT upon falling edge More...
void	dip204_example_configure_push_buttons_IT (void)
	function to configure push button to generate IT upon rising edge More...
static void	dip204_example_Joy_int_handler (void)
	The joystick interrupt handler. More...
static void	dip204_example_PB_int_handler (void)
	The Push Buttons interrupt handler. More...
int	main (void)
	main function : do init and loop (poll if configured so) More...

Variables
unsigned short	current_char = 0
unsigned short	display

#define GPIO_BACKLIGHT_MINUS   GPIO_PUSH_BUTTON_1

define the push button to decrease back light power

Referenced by dip204_example_configure_push_buttons_IT(), and dip204_example_PB_int_handler().

#define GPIO_BACKLIGHT_PLUS   GPIO_PUSH_BUTTON_2

define the push button to increase back light power

Referenced by dip204_example_configure_push_buttons_IT(), and dip204_example_PB_int_handler().

#define GPIO_CHARSET   GPIO_PUSH_BUTTON_0

define the push button to see available char map on LCD

Referenced by dip204_example_configure_push_buttons_IT(), and dip204_example_PB_int_handler().

void dip204_example_configure_joystick_IT

(

void

)

function to configure joystick to generate IT upon falling edge

References dip204_example_Joy_int_handler(), Disable_global_interrupt, Enable_global_interrupt, gpio_enable_pin_interrupt(), GPIO_FALLING_EDGE, GPIO_JOYSTICK_DOWN, GPIO_JOYSTICK_LEFT, GPIO_JOYSTICK_PUSH, GPIO_JOYSTICK_RIGHT, GPIO_JOYSTICK_UP, and INTC_register_interrupt().

Referenced by main().

void dip204_example_configure_push_buttons_IT

(

void

)

function to configure push button to generate IT upon rising edge

References dip204_example_PB_int_handler(), Disable_global_interrupt, Enable_global_interrupt, GPIO_BACKLIGHT_MINUS, GPIO_BACKLIGHT_PLUS, GPIO_CHARSET, gpio_enable_pin_interrupt(), GPIO_RISING_EDGE, and INTC_register_interrupt().

Referenced by main().

static void dip204_example_Joy_int_handler ( void  )

static

The joystick interrupt handler.

References dip204_set_cursor_position(), dip204_write_data(), dip204_write_string(), display, gpio_clear_pin_interrupt_flag(), gpio_get_pin_interrupt_flag(), GPIO_JOYSTICK_DOWN, GPIO_JOYSTICK_LEFT, GPIO_JOYSTICK_PUSH, GPIO_JOYSTICK_RIGHT, and GPIO_JOYSTICK_UP.

Referenced by dip204_example_configure_joystick_IT().

static void dip204_example_PB_int_handler ( void  )

static

The Push Buttons interrupt handler.

References backlight_power_decrease, backlight_power_increase, current_char, dip204_set_backlight(), dip204_set_cursor_position(), dip204_write_data(), dip204_write_string(), GPIO_BACKLIGHT_MINUS, GPIO_BACKLIGHT_PLUS, GPIO_CHARSET, gpio_clear_pin_interrupt_flag(), and gpio_get_pin_interrupt_flag().

Referenced by dip204_example_configure_push_buttons_IT().

int main

(

void

)

main function : do init and loop (poll if configured so)

References backlight_PWM, current_char, delay_ms, dip204_example_configure_joystick_IT(), dip204_example_configure_push_buttons_IT(), dip204_hide_cursor(), dip204_init(), dip204_set_cursor_position(), DIP204_SPI, DIP204_SPI_MISO_FUNCTION, DIP204_SPI_MISO_PIN, DIP204_SPI_MOSI_FUNCTION, DIP204_SPI_MOSI_PIN, DIP204_SPI_NPCS, DIP204_SPI_NPCS_FUNCTION, DIP204_SPI_NPCS_PIN, DIP204_SPI_SCK_FUNCTION, DIP204_SPI_SCK_PIN, dip204_write_string(), Disable_global_interrupt, display, Enable_global_interrupt, FOSC0, gpio_enable_module(), INTC_init_interrupts(), OSC0_STARTUP, pm_switch_to_osc0(), spi_options_t::reg, spi_enable(), spi_initMaster(), spi_selectionMode(), and spi_setupChipReg().

unsigned short current_char = 0

current char displayed on the 4th line

Referenced by dip204_example_PB_int_handler(), and main().

unsigned short display

flag set when joystick display starts to signal main function to clear this display

Referenced by dip204_example_Joy_int_handler(), and main().