267 lines
9.8 KiB
C
267 lines
9.8 KiB
C
/*
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* File : usart.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Tanek the first version
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*/
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#include "gd32f450z_lcd_eval.h"
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#include <gd32f4xx.h>
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#include <drv_usart.h>
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#include <board.h>
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#include <finsh.h>
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#define RT_HW_LCD_WIDTH ((uint16_t)320) /* LCD PIXEL WIDTH */
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#define RT_HW_LCD_HEIGHT ((uint16_t)480) /* LCD PIXEL HEIGHT */
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#define LCD_480_320_HSYNC ((uint32_t)10) /* Horizontal synchronization */
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#define LCD_480_320_HBP ((uint32_t)20) /* Horizontal back porch */
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#define LCD_480_320_HFP ((uint32_t)40) /* Horizontal front porch */
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#define LCD_480_320_VSYNC ((uint32_t)2) /* Vertical synchronization */
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#define LCD_480_320_VBP ((uint32_t)1) /* Vertical back porch */
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#define LCD_480_320_VFP ((uint32_t)4) /* Vertical front porch */
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#define LCD_BITS_PER_PIXEL 16
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static rt_uint16_t *lcd_framebuffer = RT_NULL;
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static rt_uint16_t *_rt_framebuffer = RT_NULL;
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static struct rt_device_graphic_info _lcd_info;
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static struct rt_device lcd;
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/*!
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\brief configure TLI GPIO
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\param[in] none
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\param[out] none
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\retval none
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*/
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static void tli_gpio_config(void)
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{
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/* enable the periphral clock */
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_GPIOC);
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rcu_periph_clock_enable(RCU_GPIOD);
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rcu_periph_clock_enable(RCU_GPIOF);
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rcu_periph_clock_enable(RCU_GPIOG);
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/* configure HSYNC(PC6), VSYNC(PA4), PCLK(PG7), DE(PF10) */
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/* configure LCD_R7(PG6), LCD_R6(PA8), LCD_R5(PA12), LCD_R4(PA11), LCD_R3(PB0),
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LCD_G7(PD3), LCD_G6(PC7), LCD_G5(PB11), LCD_G4(PB10), LCD_G3(PG10), LCD_G2(PA6),
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LCD_B7(PB9), LCD_B6(PB8), LCD_B5(PA3), LCD_B4(PG12), LCD_B3(PG11) */
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_3);
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_4);
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_6);
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_12);
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_11);
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gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_8);
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gpio_af_set(GPIOB,GPIO_AF_9,GPIO_PIN_0);
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gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_10);
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gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_11);
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gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_8);
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gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_9);
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gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_6);
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gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_7);
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gpio_af_set(GPIOD,GPIO_AF_14,GPIO_PIN_3);
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gpio_af_set(GPIOF,GPIO_AF_14,GPIO_PIN_10);
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gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_6);
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gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_7);
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gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_10);
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gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_11);
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gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_12);
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_4|GPIO_PIN_3|GPIO_PIN_6
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|GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_4|GPIO_PIN_3
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|GPIO_PIN_6|GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
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gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
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|GPIO_PIN_11);
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gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
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|GPIO_PIN_11);
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gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7);
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gpio_output_options_set(GPIOC, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_6|GPIO_PIN_7);
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gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_3);
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gpio_output_options_set(GPIOD, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_3);
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gpio_mode_set(GPIOF, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10);
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gpio_output_options_set(GPIOF, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_10);
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gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12);
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gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12);
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}
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/*!
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\brief LCD Configuration
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\param[in] none
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\param[out] none
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\retval none
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*/
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static void lcd_config(void)
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{
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/* configure the LCD control line */
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lcd_ctrl_line_config();
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lcd_disable();
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lcd_enable();
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/* configure the GPIO of TLI */
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tli_gpio_config();
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/* configure the LCD_SPI */
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lcd_spi_config();
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/* power on the LCD */
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//lcd_power_on();
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lcd_power_on3(); //New Version 3.5" TFT RGB Hardware needs use this initilize funtion ---By xufei 2016.10.21
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}
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/*!
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\brief configure TLI peripheral
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\param[in] none
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\param[out] none
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\retval none
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*/
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static void tli_config(void)
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{
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tli_parameter_struct tli_init_struct;
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tli_layer_parameter_struct tli_layer_init_struct;
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rcu_periph_clock_enable(RCU_TLI);
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tli_gpio_config();
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/* configure the PLLSAI clock to generate lcd clock */
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if(ERROR == rcu_pllsai_config(192, 2, 3, 3)){
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while(1);
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}
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rcu_tli_clock_div_config(RCU_PLLSAIR_DIV8);
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rcu_osci_on(RCU_PLLSAI_CK);
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if(ERROR == rcu_osci_stab_wait(RCU_PLLSAI_CK)){
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while(1);
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}
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/* TLI initialization */
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tli_init_struct.signalpolarity_hs = TLI_HSYN_ACTLIVE_LOW;
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tli_init_struct.signalpolarity_vs = TLI_VSYN_ACTLIVE_LOW;
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tli_init_struct.signalpolarity_de = TLI_DE_ACTLIVE_LOW;
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tli_init_struct.signalpolarity_pixelck = TLI_PIXEL_CLOCK_TLI;
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/* LCD display timing configuration */
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tli_init_struct.synpsz_hpsz = LCD_480_320_HSYNC;
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tli_init_struct.synpsz_vpsz = LCD_480_320_VSYNC;
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tli_init_struct.backpsz_hbpsz = LCD_480_320_HSYNC + LCD_480_320_HBP;
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tli_init_struct.backpsz_vbpsz = LCD_480_320_VSYNC + LCD_480_320_VBP;
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tli_init_struct.activesz_hasz = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP;
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tli_init_struct.activesz_vasz = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP;
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tli_init_struct.totalsz_htsz = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP + LCD_480_320_HFP;
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tli_init_struct.totalsz_vtsz = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP + LCD_480_320_VFP;
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/* LCD background color configure*/
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tli_init_struct.backcolor_red = 0x00;
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tli_init_struct.backcolor_green = 0x00;
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tli_init_struct.backcolor_blue = 0x00;
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tli_init(&tli_init_struct);
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lcd_framebuffer = rt_malloc(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
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RT_ASSERT(lcd_framebuffer != NULL);
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rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
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/* TLI layer0 configuration */
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tli_layer_init_struct.layer_window_leftpos = tli_init_struct.backpsz_hbpsz + 1;
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tli_layer_init_struct.layer_window_rightpos = tli_init_struct.backpsz_hbpsz + RT_HW_LCD_WIDTH;
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tli_layer_init_struct.layer_window_toppos = tli_init_struct.backpsz_vbpsz + 1;
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tli_layer_init_struct.layer_window_bottompos = tli_init_struct.backpsz_vbpsz + RT_HW_LCD_HEIGHT;
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tli_layer_init_struct.layer_ppf = LAYER_PPF_RGB565;
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tli_layer_init_struct.layer_sa = 0xFF;
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tli_layer_init_struct.layer_default_blue = 0x00;
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tli_layer_init_struct.layer_default_green = 0x00;
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tli_layer_init_struct.layer_default_red = 0x00;
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tli_layer_init_struct.layer_default_alpha = 0x00;
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tli_layer_init_struct.layer_acf1 = LAYER_ACF1_PASA;
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tli_layer_init_struct.layer_acf2 = LAYER_ACF2_PASA;
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tli_layer_init_struct.layer_frame_bufaddr = (uint32_t)lcd_framebuffer;
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tli_layer_init_struct.layer_frame_line_length = ((RT_HW_LCD_WIDTH * 2) + 3);
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tli_layer_init_struct.layer_frame_buf_stride_offset = (RT_HW_LCD_WIDTH * 2);
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tli_layer_init_struct.layer_frame_total_line_number = RT_HW_LCD_HEIGHT;
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tli_layer_init(LAYER0, &tli_layer_init_struct);
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}
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static rt_err_t rt_lcd_control(rt_device_t dev, rt_uint8_t cmd, void *args)
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{
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switch (cmd)
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{
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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{
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memcpy((void *)lcd_framebuffer, _rt_framebuffer, sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
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}
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break;
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case RTGRAPHIC_CTRL_POWERON:
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break;
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case RTGRAPHIC_CTRL_POWEROFF:
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break;
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case RTGRAPHIC_CTRL_GET_INFO:
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memcpy(args, &_lcd_info, sizeof(_lcd_info));
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break;
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case RTGRAPHIC_CTRL_SET_MODE:
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break;
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}
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return RT_EOK;
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}
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int gd32_hw_lcd_init(void)
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{
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_rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT, 32);
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if (_rt_framebuffer == RT_NULL)
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return -1; /* no memory yet */
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lcd_config();
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tli_config();
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tli_layer_enable(LAYER0);
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tli_reload_config(TLI_FRAME_BLANK_RELOAD_EN);
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tli_enable();
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_lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
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_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
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_lcd_info.framebuffer = (void *)_rt_framebuffer;
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_lcd_info.width = RT_HW_LCD_WIDTH;
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_lcd_info.height = RT_HW_LCD_HEIGHT;
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lcd.type = RT_Device_Class_Graphic;
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lcd.init = NULL;
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lcd.open = NULL;
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lcd.close = NULL;
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lcd.read = NULL;
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lcd.write = NULL;
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lcd.control = rt_lcd_control;
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lcd.user_data = (void *)&_lcd_info;
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/* register lcd device to RT-Thread */
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rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
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return 0;
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}
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INIT_DEVICE_EXPORT(gd32_hw_lcd_init);
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