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rt-thread-official/bsp/gd32450z-eval/drivers/drv_lcd.c

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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-08-23 Tanek the first version
*/
#include "gd32f450z_lcd_eval.h"
#include <gd32f4xx.h>
#include <drv_usart.h>
#include <board.h>
#include <finsh.h>
#ifdef PKG_USING_GUIENGINE
#define RT_HW_LCD_WIDTH ((uint16_t)320) /* LCD PIXEL WIDTH */
#define RT_HW_LCD_HEIGHT ((uint16_t)480) /* LCD PIXEL HEIGHT */
#define LCD_480_320_HSYNC ((uint32_t)10) /* Horizontal synchronization */
#define LCD_480_320_HBP ((uint32_t)20) /* Horizontal back porch */
#define LCD_480_320_HFP ((uint32_t)40) /* Horizontal front porch */
#define LCD_480_320_VSYNC ((uint32_t)2) /* Vertical synchronization */
#define LCD_480_320_VBP ((uint32_t)1) /* Vertical back porch */
#define LCD_480_320_VFP ((uint32_t)4) /* Vertical front porch */
#define LCD_BITS_PER_PIXEL 16
static rt_uint16_t *lcd_framebuffer = RT_NULL;
static rt_uint16_t *_rt_framebuffer = RT_NULL;
static struct rt_device_graphic_info _lcd_info;
static struct rt_device lcd;
/*!
\brief configure TLI GPIO
\param[in] none
\param[out] none
\retval none
*/
static void tli_gpio_config(void)
{
/* enable the periphral clock */
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_GPIOC);
rcu_periph_clock_enable(RCU_GPIOD);
rcu_periph_clock_enable(RCU_GPIOF);
rcu_periph_clock_enable(RCU_GPIOG);
/* configure HSYNC(PC6), VSYNC(PA4), PCLK(PG7), DE(PF10) */
/* configure LCD_R7(PG6), LCD_R6(PA8), LCD_R5(PA12), LCD_R4(PA11), LCD_R3(PB0),
LCD_G7(PD3), LCD_G6(PC7), LCD_G5(PB11), LCD_G4(PB10), LCD_G3(PG10), LCD_G2(PA6),
LCD_B7(PB9), LCD_B6(PB8), LCD_B5(PA3), LCD_B4(PG12), LCD_B3(PG11) */
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_3);
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_4);
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_6);
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_12);
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_11);
gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_8);
gpio_af_set(GPIOB,GPIO_AF_9,GPIO_PIN_0);
gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_10);
//gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_11);
gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_8);
gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_9);
gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_6);
gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_7);
gpio_af_set(GPIOD,GPIO_AF_14,GPIO_PIN_3);
gpio_af_set(GPIOF,GPIO_AF_14,GPIO_PIN_10);
gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_6);
gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_7);
gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_10);
gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_11);
gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_12);
gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_4|GPIO_PIN_3|GPIO_PIN_6
|GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_4|GPIO_PIN_3
|GPIO_PIN_6|GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
/*|GPIO_PIN_11*/);
gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
/*|GPIO_PIN_11*/);
gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7);
gpio_output_options_set(GPIOC, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_6|GPIO_PIN_7);
gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_3);
gpio_output_options_set(GPIOD, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_3);
gpio_mode_set(GPIOF, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10);
gpio_output_options_set(GPIOF, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_10);
gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12);
gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12);
}
/*!
\brief LCD Configuration
\param[in] none
\param[out] none
\retval none
*/
static void lcd_config(void)
{
/* configure the LCD control line */
lcd_ctrl_line_config();
lcd_disable();
lcd_enable();
/* configure the GPIO of TLI */
tli_gpio_config();
/* configure the LCD_SPI */
lcd_spi_config();
/* power on the LCD */
//lcd_power_on();
lcd_power_on3(); //New Version 3.5" TFT RGB Hardware needs use this initilize funtion ---By xufei 2016.10.21
}
/*!
\brief configure TLI peripheral
\param[in] none
\param[out] none
\retval none
*/
static void tli_config(void)
{
tli_parameter_struct tli_init_struct;
tli_layer_parameter_struct tli_layer_init_struct;
rcu_periph_clock_enable(RCU_TLI);
/* configure the PLLSAI clock to generate lcd clock */
if(ERROR == rcu_pllsai_config(192, 2, 3, 3)){
while(1);
}
rcu_tli_clock_div_config(RCU_PLLSAIR_DIV8);
rcu_osci_on(RCU_PLLSAI_CK);
if(ERROR == rcu_osci_stab_wait(RCU_PLLSAI_CK)){
while(1);
}
/* TLI initialization */
tli_init_struct.signalpolarity_hs = TLI_HSYN_ACTLIVE_LOW;
tli_init_struct.signalpolarity_vs = TLI_VSYN_ACTLIVE_LOW;
tli_init_struct.signalpolarity_de = TLI_DE_ACTLIVE_LOW;
tli_init_struct.signalpolarity_pixelck = TLI_PIXEL_CLOCK_TLI;
/* LCD display timing configuration */
tli_init_struct.synpsz_hpsz = LCD_480_320_HSYNC;
tli_init_struct.synpsz_vpsz = LCD_480_320_VSYNC;
tli_init_struct.backpsz_hbpsz = LCD_480_320_HSYNC + LCD_480_320_HBP;
tli_init_struct.backpsz_vbpsz = LCD_480_320_VSYNC + LCD_480_320_VBP;
tli_init_struct.activesz_hasz = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP;
tli_init_struct.activesz_vasz = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP;
tli_init_struct.totalsz_htsz = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP + LCD_480_320_HFP;
tli_init_struct.totalsz_vtsz = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP + LCD_480_320_VFP;
/* LCD background color configure*/
tli_init_struct.backcolor_red = 0x00;
tli_init_struct.backcolor_green = 0x00;
tli_init_struct.backcolor_blue = 0x00;
tli_init(&tli_init_struct);
lcd_framebuffer = rt_malloc(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
RT_ASSERT(lcd_framebuffer != NULL);
rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
/* TLI layer0 configuration */
tli_layer_init_struct.layer_window_leftpos = tli_init_struct.backpsz_hbpsz + 1;
tli_layer_init_struct.layer_window_rightpos = tli_init_struct.backpsz_hbpsz + RT_HW_LCD_WIDTH;
tli_layer_init_struct.layer_window_toppos = tli_init_struct.backpsz_vbpsz + 1;
tli_layer_init_struct.layer_window_bottompos = tli_init_struct.backpsz_vbpsz + RT_HW_LCD_HEIGHT;
tli_layer_init_struct.layer_ppf = LAYER_PPF_RGB565;
tli_layer_init_struct.layer_sa = 0xFF;
tli_layer_init_struct.layer_default_blue = 0x00;
tli_layer_init_struct.layer_default_green = 0x00;
tli_layer_init_struct.layer_default_red = 0x00;
tli_layer_init_struct.layer_default_alpha = 0x00;
tli_layer_init_struct.layer_acf1 = LAYER_ACF1_PASA;
tli_layer_init_struct.layer_acf2 = LAYER_ACF2_PASA;
tli_layer_init_struct.layer_frame_bufaddr = (uint32_t)lcd_framebuffer;
tli_layer_init_struct.layer_frame_line_length = ((RT_HW_LCD_WIDTH * 2) + 3);
tli_layer_init_struct.layer_frame_buf_stride_offset = (RT_HW_LCD_WIDTH * 2);
tli_layer_init_struct.layer_frame_total_line_number = RT_HW_LCD_HEIGHT;
tli_layer_init(LAYER0, &tli_layer_init_struct);
}
static rt_err_t rt_lcd_control(rt_device_t dev, int cmd, void *args)
{
switch (cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
{
memcpy((void *)lcd_framebuffer, _rt_framebuffer, sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
}
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;
}
int gd32_hw_lcd_init(void)
{
_rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT, 32);
if (_rt_framebuffer == RT_NULL)
return -1; /* no memory yet */
lcd_config();
tli_config();
tli_layer_enable(LAYER0);
tli_reload_config(TLI_FRAME_BLANK_RELOAD_EN);
tli_enable();
_lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
_lcd_info.framebuffer = (void *)_rt_framebuffer;
_lcd_info.width = RT_HW_LCD_WIDTH;
_lcd_info.height = RT_HW_LCD_HEIGHT;
lcd.type = RT_Device_Class_Graphic;
lcd.init = NULL;
lcd.open = NULL;
lcd.close = NULL;
lcd.read = NULL;
lcd.write = 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);
return 0;
}
INIT_DEVICE_EXPORT(gd32_hw_lcd_init);
#endif
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