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#include <stdlib.h>
#include <stdint.h>
#include "platform.h"
#include "eos.h"
#include "board.h"
#include "soc/timer.h"
#include "soc/i2s.h"
#include "eve/eve.h"
#include "eve.h"
#include "gt911.h"
#include "ili9806e.h"
#include "lcd.h"
static int lcd_enable(void) {
int rv;
rv = eos_spi_select(EOS_SPI_DEV_EVE);
if (rv) return rv;
eve_gpio_set(EVE_GPIO_LCD_EN, 1);
eos_spi_deselect();
return EOS_OK;
}
static int lcd_disable(void) {
int rv;
rv = eos_spi_select(EOS_SPI_DEV_EVE);
if (rv) return rv;
eve_gpio_set(EVE_GPIO_LCD_EN, 0);
eos_spi_deselect();
return EOS_OK;
}
static int lcd_select(void) {
int rv;
GPIO_REG(GPIO_OUTPUT_XOR) |= (1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_EN) |= (1 << SPI_CSPIN_LCD);
rv = eos_spi_select(EOS_SPI_DEV_LCD);
if (rv) {
GPIO_REG(GPIO_OUTPUT_EN) &= ~(1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_XOR) &= ~(1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << SPI_CSPIN_LCD);
return rv;
}
return EOS_OK;
}
static void lcd_deselect(void) {
eos_spi_deselect();
GPIO_REG(GPIO_OUTPUT_EN) &= ~(1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_XOR) &= ~(1 << SPI_CSPIN_LCD);
GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << SPI_CSPIN_LCD);
}
static int lcd_init(void) {
int rv;
rv = lcd_enable();
if (rv) return rv;
eos_time_sleep(200);
rv = lcd_select();
if (rv) {
lcd_disable();
return rv;
}
rv = eos_ili9806e_init();
if (rv == EOS_ERR_ABSENT) eve_lcd_absent();
lcd_deselect();
if (rv) lcd_disable();
return rv;
}
static int lcd_sleep(void) {
int rv;
rv = lcd_select();
if (rv) return rv;
eos_ili9806e_sleep();
lcd_deselect();
rv = lcd_disable();
if (rv) return rv;
return EOS_OK;
}
int eos_lcd_init(uint8_t wakeup_cause) {
int rv;
rv = lcd_init();
if (rv) return rv;
rv = eos_gt911_init(wakeup_cause);
if (rv) return rv;
return EOS_OK;
}
int eos_lcd_sleep(void) {
int rv;
if (eos_i2s_running()) return EOS_ERR_BUSY;
/* There is a problem with GT911 and sleep */
// eos_gt911_sleep();
rv = lcd_sleep();
if (rv) return rv;
return EOS_OK;
}
int eos_lcd_wake(void) {
int rv;
if (eos_i2s_running()) return EOS_ERR_BUSY;
rv = lcd_init();
if (rv) return rv;
/* There is a problem with GT911 and sleep */
// eos_gt911_wake();
return EOS_OK;
}
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