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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-08-08 Yang the first version
*/
#include <board.h>
#include <rtdevice.h>
#include <drv_lcd.h>
#include <string.h>
#include "fsl_iocon.h"
#include "fsl_sctimer.h"
#include "fsl_lcdc.h"
static rt_uint16_t *lcd_framebuffer = RT_NULL;
static rt_uint16_t *_rt_framebuffer = RT_NULL;
#define RT_HW_LCD_WIDTH 480
#define RT_HW_LCD_HEIGHT 272
static struct rt_device_graphic_info _lcd_info;
static struct rt_device lcd;
#define LCD_PANEL_CLK (9 * 1000000UL)
#define LCD_PPL 480
#define LCD_HSW 2
#define LCD_HFP 8
#define LCD_HBP 43
#define LCD_LPP 272
#define LCD_VSW 10
#define LCD_VFP 4
#define LCD_VBP 12
#define LCD_POL_FLAGS kLCDC_InvertVsyncPolarity | kLCDC_InvertHsyncPolarity
#define LCD_WIDTH 480
#define LCD_HEIGHT 272
#define LCD_BITS_PER_PIXEL 16
static void lcd_gpio_init(void)
{
const uint32_t port2_pin11_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_PWR */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN11_IDX, port2_pin11_config); /* PORT2 PIN11 (coords: K3) is configured as LCD_PWR */
const uint32_t port2_pin13_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_DCLK */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN13_IDX, port2_pin13_config); /* PORT2 PIN13 (coords: P7) is configured as LCD_DCLK */
const uint32_t port2_pin14_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_FP */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN14_IDX, port2_pin14_config); /* PORT2 PIN14 (coords: L7) is configured as LCD_FP */
const uint32_t port2_pin15_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_AC */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN15_IDX, port2_pin15_config); /* PORT2 PIN15 (coords: M8) is configured as LCD_AC */
const uint32_t port2_pin16_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_LP */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN16_IDX, port2_pin16_config); /* PORT2 PIN16 (coords: L8) is configured as LCD_LP */
const uint32_t port2_pin21_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(3) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN21_IDX, port2_pin21_config); /* PORT2 PIN21 (coords: L10) is configured as LCD_VD(3) */
const uint32_t port2_pin22_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(4) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN22_IDX, port2_pin22_config); /* PORT2 PIN22 (coords: K10) is configured as LCD_VD(4) */
const uint32_t port2_pin23_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(5) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN23_IDX, port2_pin23_config); /* PORT2 PIN23 (coords: M14) is configured as LCD_VD(5) */
const uint32_t port2_pin24_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(6) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN24_IDX, port2_pin24_config); /* PORT2 PIN24 (coords: K14) is configured as LCD_VD(6) */
const uint32_t port2_pin25_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(7) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN25_IDX, port2_pin25_config); /* PORT2 PIN25 (coords: J11) is configured as LCD_VD(7) */
const uint32_t port2_pin27_config = (
IOCON_PIO_FUNC0 | /* Pin is configured as PIO2_27 */
IOCON_PIO_MODE_PULLUP | /* Selects pull-up function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN27_IDX, port2_pin27_config); /* PORT2 PIN27 (coords: H14) is configured as PIO2_27 */
const uint32_t port2_pin28_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(10) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN28_IDX, port2_pin28_config); /* PORT2 PIN28 (coords: G13) is configured as LCD_VD(10) */
const uint32_t port2_pin29_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(11) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN29_IDX, port2_pin29_config); /* PORT2 PIN29 (coords: G11) is configured as LCD_VD(11) */
const uint32_t port2_pin30_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(12) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN30_IDX, port2_pin30_config); /* PORT2 PIN30 (coords: F12) is configured as LCD_VD(12) */
const uint32_t port2_pin31_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(13) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN31_IDX, port2_pin31_config); /* PORT2 PIN31 (coords: D14) is configured as LCD_VD(13) */
const uint32_t port3_pin0_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(14) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN0_IDX, port3_pin0_config); /* PORT3 PIN0 (coords: D12) is configured as LCD_VD(14) */
const uint32_t port3_pin1_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(15) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN1_IDX, port3_pin1_config); /* PORT3 PIN1 (coords: D11) is configured as LCD_VD(15) */
const uint32_t port3_pin5_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(19) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN5_IDX, port3_pin5_config); /* PORT3 PIN5 (coords: B10) is configured as LCD_VD(19) */
const uint32_t port3_pin6_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(20) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN6_IDX, port3_pin6_config); /* PORT3 PIN6 (coords: C9) is configured as LCD_VD(20) */
const uint32_t port3_pin7_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(21) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN7_IDX, port3_pin7_config); /* PORT3 PIN7 (coords: B8) is configured as LCD_VD(21) */
const uint32_t port3_pin8_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(22) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN8_IDX, port3_pin8_config); /* PORT3 PIN8 (coords: A7) is configured as LCD_VD(22) */
const uint32_t port3_pin9_config = (
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(23) */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN9_IDX, port3_pin9_config); /* PORT3 PIN9 (coords: C7) is configured as LCD_VD(23) */
}
void LCD_IRQHandler(void)
{
uint32_t intStatus = LCDC_GetEnabledInterruptsPendingStatus(LCD);
LCDC_ClearInterruptsStatus(LCD, intStatus);
if (intStatus & kLCDC_VerticalCompareInterrupt)
{
//s_frameEndFlag = true;
}
//__DSB();
}
/* RT-Thread Device Interface */
static rt_err_t rt_lcd_init(rt_device_t dev)
{
/* Route Main clock to LCD. */
CLOCK_AttachClk(kMCLK_to_LCD_CLK);
CLOCK_SetClkDiv(kCLOCK_DivLcdClk, 1, true);
/*LCD管脚配置*/
lcd_gpio_init();
/* Set the back light PWM. */
{
sctimer_config_t config;
sctimer_pwm_signal_param_t pwmParam;
uint32_t event;
CLOCK_AttachClk(kMCLK_to_SCT_CLK);
CLOCK_SetClkDiv(kCLOCK_DivSctClk, 2, true);
SCTIMER_GetDefaultConfig(&config);
SCTIMER_Init(SCT0, &config);
pwmParam.output = kSCTIMER_Out_5;
pwmParam.level = kSCTIMER_HighTrue;
pwmParam.dutyCyclePercent = 5;
SCTIMER_SetupPwm(SCT0, &pwmParam, kSCTIMER_CenterAlignedPwm, 1000U, CLOCK_GetFreq(kCLOCK_Sct), &event);
}
lcd_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH, 32);
rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
{
/* Initialize the display. */
lcdc_config_t lcdConfig;
LCDC_GetDefaultConfig(&lcdConfig);
lcdConfig.panelClock_Hz = LCD_PANEL_CLK;
lcdConfig.ppl = LCD_PPL;
lcdConfig.hsw = LCD_HSW;
lcdConfig.hfp = LCD_HFP;
lcdConfig.hbp = LCD_HBP;
lcdConfig.lpp = LCD_LPP;
lcdConfig.vsw = LCD_VSW;
lcdConfig.vfp = LCD_VFP;
lcdConfig.vbp = LCD_VBP;
lcdConfig.polarityFlags = LCD_POL_FLAGS;
lcdConfig.upperPanelAddr = (uint32_t)lcd_framebuffer;//VRAM_ADDR;
lcdConfig.bpp = kLCDC_16BPP565;
lcdConfig.display = kLCDC_DisplayTFT;
lcdConfig.swapRedBlue = true;
LCDC_Init(LCD, &lcdConfig, CLOCK_GetFreq(kCLOCK_LCD));
/* Trigger interrupt at start of every vertical back porch. */
LCDC_SetVerticalInterruptMode(LCD, kLCDC_StartOfBackPorch);
LCDC_EnableInterrupts(LCD, kLCDC_VerticalCompareInterrupt);
NVIC_EnableIRQ(LCD_IRQn);
LCDC_Start(LCD);
LCDC_PowerUp(LCD);
}
return RT_EOK;
}
static rt_err_t rt_lcd_control(rt_device_t dev, int cmd, void *args)
{
switch (cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
{
struct rt_device_rect_info *rect_info = (struct rt_device_rect_info *)args;
/* 先指向绘图 buff 显示 */
LCD->UPBASE = (rt_uint32_t)_rt_framebuffer;
/* 从绘图 buff copy 数据到显示 buff */
if (rect_info->width * rect_info->height < RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT / 5 * 3)
{
int index = 0;
rt_uint8_t *p = (rt_uint8_t *)lcd_framebuffer;
rt_uint8_t *q = (rt_uint8_t *)_rt_framebuffer;
p += (rect_info->x + rect_info->y * RT_HW_LCD_WIDTH) * sizeof(rt_uint16_t);
q += (rect_info->x + rect_info->y * RT_HW_LCD_WIDTH) * sizeof(rt_uint16_t);
for (index = 0; index < rect_info->height; index ++)
{
memcpy((void *)p, (void *)q, sizeof(rt_uint16_t) * rect_info->width);
p += RT_HW_LCD_WIDTH * sizeof(rt_uint16_t);
q += RT_HW_LCD_WIDTH * sizeof(rt_uint16_t);
}
}
else
{
memcpy((void *)lcd_framebuffer, _rt_framebuffer, sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
}
/* 指回显示 buff */
LCD->UPBASE = (rt_uint32_t)lcd_framebuffer;
rt_kprintf("====> rect_info : %d %d %d %d\n", rect_info->x, rect_info->y, rect_info->width, rect_info->height);
}
break;
case RTGRAPHIC_CTRL_POWERON:
break;
case RTGRAPHIC_CTRL_POWEROFF:
break;
case RTGRAPHIC_CTRL_GET_INFO:
memcpy(args, &_lcd_info, sizeof(_lcd_info));
break;
case RTGRAPHIC_CTRL_SET_MODE:
break;
}
return RT_EOK;
}
rt_uint16_t* get_lcd_framebuffer(void)
{
return lcd_framebuffer;
}
void lcd_clear(rt_uint16_t color)
{
volatile rt_uint16_t *p = (rt_uint16_t *)lcd_framebuffer;
int x, y;
for (y = 0; y <= RT_HW_LCD_HEIGHT; y++)
{
for (x = 0; x <= RT_HW_LCD_WIDTH; x++)
{
*p++ = color; /* red */
}
}
}
void rt_hw_lcd_init(void)
{
_rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH, 32);
if (_rt_framebuffer == RT_NULL) return; /* no memory yet */
_lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565; // RTGRAPHIC_PIXEL_FORMAT_ARGB888
_lcd_info.framebuffer = (void *)_rt_framebuffer;
_lcd_info.width = RT_HW_LCD_WIDTH;
_lcd_info.height = RT_HW_LCD_HEIGHT;
/* init device structure */
lcd.type = RT_Device_Class_Graphic;
lcd.init = rt_lcd_init;
lcd.open = RT_NULL;
lcd.close = RT_NULL;
lcd.control = rt_lcd_control;
lcd.user_data = (void *)&_lcd_info;
/* register lcd device to RT-Thread */
rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
rt_lcd_init(&lcd);
}
void lcd_test(void)
{
lcd_clear(0xf800);
rt_thread_delay(200);
lcd_clear(0x07e0);
rt_thread_delay(200);
lcd_clear(0x001f);
rt_thread_delay(200);
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(lcd_clear, lcd_clear);
FINSH_FUNCTION_EXPORT(lcd_test, lcd_test);
#ifdef FINSH_USING_MSH
MSH_CMD_EXPORT(lcd_clear, lcd_clear);
MSH_CMD_EXPORT(lcd_test, lcd_test);
#endif
#endif
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