F4 lcd

target/stm32f429i-disco/include/target/lcd.h

@@ -0,0 +1,78 @@
+#pragma once
+/* LCD Size (Width and Height) */
+#define  LCD_SIZE_PIXEL_WIDTH    ((uint16_t)240)
+#define  LCD_SIZE_PIXEL_HEIGHT   ((uint16_t)320)
+
+#define LCD_FRAME_BUFFER       ((uint32_t)0xD0000000)
+#define BUFFER_OFFSET          ((uint32_t)0x50000) 
+
+#define LCD_BACKGROUND_LAYER     0x0000
+
+/** 
+  * @brief  LCD Control pin  
+  */ 
+#define LCD_NCS_PIN             GPIO_Pin_2                  
+#define LCD_NCS_GPIO_PORT       GPIOC                      
+#define LCD_NCS_GPIO_CLK        RCC_AHB1Periph_GPIOC 
+
+/** 
+  * @brief  LCD Command/data pin  
+  */
+#define LCD_WRX_PIN             GPIO_Pin_13                  
+#define LCD_WRX_GPIO_PORT       GPIOD
+#define LCD_WRX_GPIO_CLK        RCC_AHB1Periph_GPIOD 
+
+/** 
+  * @brief  LCD SPI Interface pins 
+  */ 
+#define LCD_SPI_SCK_PIN               GPIO_Pin_7                     /* PF.07 */
+#define LCD_SPI_SCK_GPIO_PORT         GPIOF                          /* GPIOF */
+#define LCD_SPI_SCK_GPIO_CLK          RCC_AHB1Periph_GPIOF  
+#define LCD_SPI_SCK_SOURCE            GPIO_PinSource7
+#define LCD_SPI_SCK_AF                GPIO_AF_SPI5
+#define LCD_SPI_MISO_PIN              GPIO_Pin_8                     /* PF.08 */
+#define LCD_SPI_MISO_GPIO_PORT        GPIOF                          /* GPIOF */
+#define LCD_SPI_MISO_GPIO_CLK         RCC_AHB1Periph_GPIOF  
+#define LCD_SPI_MISO_SOURCE           GPIO_PinSource8
+#define LCD_SPI_MISO_AF               GPIO_AF_SPI5
+#define LCD_SPI_MOSI_PIN              GPIO_Pin_9                     /* PF.09 */
+#define LCD_SPI_MOSI_GPIO_PORT        GPIOF                          /* GPIOF */
+#define LCD_SPI_MOSI_GPIO_CLK         RCC_AHB1Periph_GPIOF  
+#define LCD_SPI_MOSI_SOURCE           GPIO_PinSource9
+#define LCD_SPI_MOSI_AF               GPIO_AF_SPI5
+#define LCD_SPI                       SPI5
+#define LCD_SPI_CLK                   RCC_APB2Periph_SPI5 
+
+/** 
+  * @brief  LCD Registers  
+  */ 
+#define LCD_SLEEP_OUT            0x11   /* Sleep out register */
+#define LCD_GAMMA                0x26   /* Gamma register */
+#define LCD_DISPLAY_OFF          0x28   /* Display off register */
+#define LCD_DISPLAY_ON           0x29   /* Display on register */
+#define LCD_COLUMN_ADDR          0x2A   /* Colomn address register */ 
+#define LCD_PAGE_ADDR            0x2B   /* Page address register */ 
+#define LCD_GRAM                 0x2C   /* GRAM register */   
+#define LCD_MAC                  0x36   /* Memory Access Control register*/
+#define LCD_PIXEL_FORMAT         0x3A   /* Pixel Format register */
+#define LCD_WDB                  0x51   /* Write Brightness Display register */
+#define LCD_WCD                  0x53   /* Write Control Display register*/
+#define LCD_RGB_INTERFACE        0xB0   /* RGB Interface Signal Control */
+#define LCD_FRC                  0xB1   /* Frame Rate Control register */
+#define LCD_BPC                  0xB5   /* Blanking Porch Control register*/
+#define LCD_DFC                  0xB6   /* Display Function Control register*/
+#define LCD_POWER1               0xC0   /* Power Control 1 register */
+#define LCD_POWER2               0xC1   /* Power Control 2 register */
+#define LCD_VCOM1                0xC5   /* VCOM Control 1 register */
+#define LCD_VCOM2                0xC7   /* VCOM Control 2 register */
+#define LCD_POWERA               0xCB   /* Power control A register */
+#define LCD_POWERB               0xCF   /* Power control B register */
+#define LCD_PGAMMA               0xE0   /* Positive Gamma Correction register*/
+#define LCD_NGAMMA               0xE1   /* Negative Gamma Correction register*/
+#define LCD_DTCA                 0xE8   /* Driver timing control A */
+#define LCD_DTCB                 0xEA   /* Driver timing control B */
+#define LCD_POWER_SEQ            0xED   /* Power on sequence register */
+#define LCD_3GAMMA_EN            0xF2   /* 3 Gamma enable register */
+#define LCD_INTERFACE            0xF6   /* Interface control register */
+#define LCD_PRC                  0xF7   /* Pump ratio control register */
+

target/stm32f429i-disco/init.c

@@ -13,12 +13,15 @@
 #include <stm32f4xx_usart.h>
 #include <stm32f4xx_rcc.h>
 #include <stm32f4xx_gpio.h>
+#include <stm32f4xx_ltdc.h>
 #include <platform/stm32.h>
 #include <platform/gpio.h>
 #include <target.h>
 #include <target/debugconfig.h>
 #include <target/gpioconfig.h>
 
+extern uint8_t STM_LCD_Init(void);
+
 void target_early_init(void) {
 #ifdef DEBUG_UART
 #if DEBUG_UART == 1
@@ -38,6 +41,7 @@ void target_early_init(void) {
     gpio_config(GPIO_LED1, GPIO_OUTPUT);
     gpio_config(GPIO_LED2, GPIO_OUTPUT);
     gpio_config(GPIO_LED3, GPIO_OUTPUT);
+    STM_LCD_Init();
 }
 
 void target_init(void) {