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Diffstat (limited to 'bsp/k210/driver/drv_lcd.c')
-rw-r--r--bsp/k210/driver/drv_lcd.c119
1 files changed, 83 insertions, 36 deletions
diff --git a/bsp/k210/driver/drv_lcd.c b/bsp/k210/driver/drv_lcd.c
index 2719391154..f466140294 100644
--- a/bsp/k210/driver/drv_lcd.c
+++ b/bsp/k210/driver/drv_lcd.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -20,6 +20,8 @@
#include <spi.h>
#include <drv_io_config.h>
#include <rthw.h>
+#include "dmalock.h"
+#include "sleep.h"
#define DBG_TAG "LCD"
#define DBG_LVL DBG_WARNING
@@ -102,23 +104,18 @@
#define DIGITAL_GAMMA_CTL2 0xE3
#define INTERFACE_CTL 0xF6
-typedef enum _lcd_dir
-{
- DIR_XY_RLUD = 0x00,
- DIR_YX_RLUD = 0x20,
- DIR_XY_LRUD = 0x40,
- DIR_YX_LRUD = 0x60,
- DIR_XY_RLDU = 0x80,
- DIR_YX_RLDU = 0xA0,
- DIR_XY_LRDU = 0xC0,
- DIR_YX_LRDU = 0xE0,
- DIR_XY_MASK = 0x20,
- DIR_MASK = 0xE0,
-} lcd_dir_t;
-
#define LCD_SPI_CHANNEL SPI_DEVICE_0
#define LCD_SPI_CHIP_SELECT SPI_CHIP_SELECT_0
+#if defined(BSP_BOARD_K210_OPENMV_TEST)
+#define LCD_SCAN_DIR DIR_YX_LRUD
+#elif defined(BSP_BOARD_KD233)
+#define LCD_SCAN_DIR (DIR_YX_RLUD | 0x08)
+#elif defined(BSP_BOARD_USER)
+/*user define.*/
+#define LCD_SCAN_DIR DIR_YX_RLUD
+#endif
+
typedef struct lcd_8080_device
{
struct rt_device parent;
@@ -126,9 +123,17 @@ typedef struct lcd_8080_device
int spi_channel;
int cs;
int dc_pin;
+#if BSP_LCD_RST_PIN >= 0
+ int rst_pin;
+#endif
+#if BSP_LCD_BACKLIGHT_PIN >= 0
+ int backlight_pin;
+#endif
int dma_channel;
} * lcd_8080_device_t;
+static struct lcd_8080_device _lcddev;
+
static void drv_lcd_cmd(lcd_8080_device_t lcd, rt_uint8_t cmd)
{
gpiohs_set_pin(lcd->dc_pin, GPIO_PV_LOW);
@@ -167,17 +172,36 @@ static void drv_lcd_data_word(lcd_8080_device_t lcd, rt_uint32_t *data_buf, rt_u
static void drv_lcd_hw_init(lcd_8080_device_t lcd)
{
+#if BSP_LCD_RST_PIN >= 0
+ {
+ gpiohs_set_drive_mode(lcd->rst_pin, GPIO_DM_OUTPUT);
+ gpiohs_set_pin(lcd->rst_pin, GPIO_PV_LOW);
+ msleep(20);
+ gpiohs_set_pin(lcd->rst_pin, GPIO_PV_HIGH);
+ msleep(20);
+ }
+#endif
+#if BSP_LCD_BACKLIGHT_PIN >= 0
+ {
+ gpiohs_set_drive_mode(lcd->backlight_pin, GPIO_DM_OUTPUT);
+#if defined(BSP_LCD_BACKLIGHT_ACTIVE_LOW)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_LOW);
+#elif defined(BSP_LCD_BACKLIGHT_ACTIVE_HIGH)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_HIGH);
+#else
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_LOW);
+#endif
+ }
+#endif
+
gpiohs_set_drive_mode(lcd->dc_pin, GPIO_DM_OUTPUT);
gpiohs_set_pin(lcd->dc_pin, GPIO_PV_HIGH);
spi_init(lcd->spi_channel, SPI_WORK_MODE_0, SPI_FF_OCTAL, 8, 0);
- spi_set_clk_rate(lcd->spi_channel, 25000000);
+ spi_set_clk_rate(lcd->spi_channel, BSP_LCD_CLK_FREQ);
}
static void drv_lcd_set_direction(lcd_8080_device_t lcd, lcd_dir_t dir)
{
-#if !BOARD_LICHEEDAN
- dir |= 0x08;
-#endif
if (dir & DIR_XY_MASK)
{
lcd->lcd_info.width = BSP_LCD_Y_MAX;
@@ -233,7 +257,7 @@ static void drv_lcd_clear(lcd_8080_device_t lcd, uint16_t color)
}
static void rt_bitblt(rt_uint16_t * dest, int dest_segment, int dest_common, int dest_x, int dest_y, int width, int height,
- rt_uint16_t *src, int src_segment, int src_common, int src_x, int src_y)
+ rt_uint16_t *src, int src_segment, int src_common, int src_x, int src_y)
{
int sx0, sx1, sy0, sy1;
int dx0, dx1, dy0, dy1;
@@ -345,14 +369,14 @@ static void drv_lcd_rect_update(lcd_8080_device_t lcd, uint16_t x1, uint16_t y1,
if(x1 == 0 && y1 == 0 && width == lcd->lcd_info.width && height == lcd->lcd_info.height)
{
drv_lcd_set_area(lcd, x1, y1, x1 + width - 1, y1 + height - 1);
- drv_lcd_data_word(lcd, (rt_uint32_t *)lcd->lcd_info.framebuffer, width * height / (lcd->lcd_info.bits_per_pixel / 8));
+ drv_lcd_data_half_word(lcd, (rt_uint32_t *)lcd->lcd_info.framebuffer, width * height);
}
else
{
rt_bitblt(rect_buffer, width, height, 0, 0, width, height,
(rt_uint16_t *)lcd->lcd_info.framebuffer, lcd->lcd_info.width, lcd->lcd_info.height, x1, y1);
drv_lcd_set_area(lcd, x1, y1, x1 + width - 1, y1 + height - 1);
- drv_lcd_data_word(lcd, (rt_uint32_t *)rect_buffer, width * height / 2);
+ drv_lcd_data_half_word(lcd, (rt_uint16_t *)rect_buffer, width * height);
}
}
@@ -381,16 +405,20 @@ static rt_err_t drv_lcd_init(rt_device_t dev)
drv_lcd_data_byte(lcd, &data, 1);
/* set direction */
- drv_lcd_set_direction(lcd, DIR_YX_RLUD);
+ drv_lcd_set_direction(lcd, LCD_SCAN_DIR);
lcd->lcd_info.framebuffer = rt_malloc_align(lcd->lcd_info.height * lcd->lcd_info.width * (lcd->lcd_info.bits_per_pixel / 8), 64);
RT_ASSERT(lcd->lcd_info.framebuffer);
+ uint16_t *framebuffer = (uint16_t *)(lcd->lcd_info.framebuffer);
+ for(uint32_t i=0; i<(lcd->lcd_info.height * lcd->lcd_info.width * (lcd->lcd_info.bits_per_pixel / 8))/2; i++) {
+ framebuffer[i] = BLACK;
+ }
/*display on*/
drv_lcd_cmd(lcd, DISPALY_ON);
/* set to black */
- drv_lcd_clear(lcd, 0x0000);
+ drv_lcd_clear(lcd, BLACK);
return ret;
}
@@ -412,7 +440,7 @@ static rt_err_t drv_lcd_close(rt_device_t dev)
static rt_size_t drv_lcd_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
-
+
/* Not need */
return 0;
@@ -420,7 +448,7 @@ static rt_size_t drv_lcd_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_si
static rt_size_t drv_lcd_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
-
+
/* Not need */
return 0;
@@ -446,15 +474,27 @@ static rt_err_t drv_lcd_control(rt_device_t dev, int cmd, void *args)
drv_lcd_rect_update(lcd, rect_info->x, rect_info->y, rect_info->width, rect_info->height);
break;
+#if BSP_LCD_BACKLIGHT_PIN >= 0
case RTGRAPHIC_CTRL_POWERON:
- /* Todo: power on */
- ret = -RT_ENOSYS;
+#if defined(BSP_LCD_BACKLIGHT_ACTIVE_LOW)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_LOW);
+#elif defined(BSP_LCD_BACKLIGHT_ACTIVE_HIGH)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_HIGH);
+#else
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_LOW);
+#endif
break;
case RTGRAPHIC_CTRL_POWEROFF:
- /* Todo: power off */
- ret = -RT_ENOSYS;
+#if defined(BSP_LCD_BACKLIGHT_ACTIVE_LOW)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_HIGH);
+#elif defined(BSP_LCD_BACKLIGHT_ACTIVE_HIGH)
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_LOW);
+#else
+ gpiohs_set_pin(lcd->backlight_pin, GPIO_PV_HIGH);
+#endif
break;
+#endif /* BSP_LCD_BACKLIGHT_PIN >= 0 */
case RTGRAPHIC_CTRL_GET_INFO:
*(struct rt_device_graphic_info *)args = lcd->lcd_info;
@@ -490,15 +530,17 @@ const static struct rt_device_ops drv_lcd_ops =
int rt_hw_lcd_init(void)
{
rt_err_t ret = RT_EOK;
- lcd_8080_device_t lcd_dev = (lcd_8080_device_t)rt_malloc(sizeof(struct lcd_8080_device));
- if(!lcd_dev)
- {
- return -1;
- }
+ lcd_8080_device_t lcd_dev = &_lcddev;
lcd_dev->cs = SPI_CHIP_SELECT_0;
lcd_dev->dc_pin = LCD_DC_PIN;
- lcd_dev->dma_channel = DMAC_CHANNEL0;
+#if BSP_LCD_RST_PIN >= 0
+ lcd_dev->rst_pin = LCD_RST_PIN;
+#endif
+#if BSP_LCD_BACKLIGHT_PIN >= 0
+ lcd_dev->backlight_pin = LCD_BACKLIGHT_PIN;
+#endif
+ dmalock_sync_take(&lcd_dev->dma_channel, RT_WAITING_FOREVER);
lcd_dev->spi_channel = SPI_DEVICE_0;
lcd_dev->lcd_info.bits_per_pixel = 16;
lcd_dev->lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
@@ -526,4 +568,9 @@ int rt_hw_lcd_init(void)
}
INIT_DEVICE_EXPORT(rt_hw_lcd_init);
+void lcd_set_direction(lcd_dir_t dir)
+{
+ drv_lcd_set_direction(&_lcddev, dir);
+}
+
#endif
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-30 10:05:51 +0000