Started to implement the lcd driver

src/W800 SDK v1.00.08/app/Makefile

@@ -4,6 +4,7 @@ sinclude $(TOP_DIR)/tools/w800/conf.mk
 ifndef PDIR
 GEN_LIBS = libuser$(LIB_EXT)
 COMPONENTS_libuser = gfx/libusergfx$(LIB_EXT)
+#COMPONENTS_libuser = drivers/libdrivers$(LIB_EXT)
 endif
 
 #DEFINES +=

src/W800 SDK v1.00.08/app/drivers/Makefile

@@ -0,0 +1,16 @@
+TOP_DIR = ../..
+sinclude $(TOP_DIR)/tools/w800/conf.mk
+
+ifndef PDIR
+GEN_LIBS = libdrivers$(LIB_EXT)
+COMPONENTS_libdrivers = lcd/libdriverslcd$(LIB_EXT)
+endif
+
+#DEFINES +=
+
+sinclude $(TOP_DIR)/tools/w800/rules.mk
+
+INCLUDES := $(INCLUDES) -I $(PDIR)include
+
+PDIR := ../$(PDIR)
+sinclude $(PDIR)Makefile

src/W800 SDK v1.00.08/app/drivers/lcd/Makefile

@@ -0,0 +1,15 @@
+TOP_DIR = ../../..
+sinclude $(TOP_DIR)/tools/w800/conf.mk
+
+ifndef PDIR
+GEN_LIBS = libdriverslcd$(LIB_EXT)
+endif
+
+#DEFINES +=
+
+sinclude $(TOP_DIR)/tools/w800/rules.mk
+
+INCLUDES := $(INCLUDES) -I $(PDIR)include
+
+PDIR := ../$(PDIR)
+sinclude $(PDIR)Makefile

src/W800 SDK v1.00.08/app/drivers/lcd/lcd.c

@@ -0,0 +1,70 @@
+#include "FreeRTOS.h"
+#include "lcd.h"
+
+void lcd_config_init(LCDConfig_t * const LCDConfig)
+{
+    if(!LCDConfig) return;
+
+    LCDConfig->LCDPWMBacklightPin   = -1;
+    LCDConfig->LCDClockPin          = -1;
+    LCDConfig->LCDDataPin           = -1;
+    LCDConfig->LCDCSPin             = -1;
+    LCDConfig->LCDDataCommandPin    = -1;
+    LCDConfig->LCDResetPin          = -1;
+
+}
+
+void lcd_init(LCDConfig_t * const LCDConfig)
+{
+    if(!LCDConfig) return;
+
+    // Backlight is controlled using PWM
+    tls_gpio_cfg(LCDConfig->LCDPWMBacklightPin, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    
+    tls_gpio_cfg(LCDConfig->LCDCSPin, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_cfg(LCDConfig->LCDDataCommandPin, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_cfg(LCDConfig->LCDResetPin, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_PULLHIGH);
+
+    // The clock and data line are driven using the MMC peripheral
+    tls_io_cfg_set(LCDConfig->LCDClockPin, WM_IO_OPTION2);
+    tls_io_cfg_set(LCDConfig->LCDDataPin, WM_IO_OPTION2);
+
+    // We set some of the pins default value
+    lcd_set_backlight(LCDConfig, 0);
+    lcd_set_cs(LCDConfig, false);
+    lcd_set_data_command(LCDConfig, LCD_DATA);
+
+    lcd_hardware_reset(LCDConfig);
+
+    // Init MMC SDIO peripheral
+}
+
+void lcd_set_window(u16 x_start, u16 y_start, u16 x_end, u16 y_end);
+
+void lcd_write_frame(void);
+
+void lcd_set_backlight(LCDConfig_t * const LCDConfig, u8 brightness)
+{
+    if(brightness)
+        tls_gpio_write(LCDConfig->LCDPWMBacklightPin, 1);
+    else
+        tls_gpio_write(LCDConfig->LCDPWMBacklightPin, 1);
+}
+
+void lcd_set_cs(LCDConfig_t * const LCDConfig, bool selected)
+{
+    // CS is active low...
+    tls_gpio_write(LCDConfig->LCDCSPin, !selected);
+}
+
+void lcd_set_data_command(LCDConfig_t * const LCDConfig, LCDDataCommand_e dataCommand)
+{
+    tls_gpio_write(LCDConfig->LCDDataCommandPin, dataCommand);
+}
+
+void lcd_hardware_reset(LCDConfig_t * const LCDConfig)
+{
+    tls_gpio_write(LCDConfig->LCDResetPin, 0);
+    tls_os_time_delay(pdMS_TO_TICKS(1));
+    tls_gpio_write(LCDConfig->LCDResetPin, 1);
+}

src/W800 SDK v1.00.08/app/drivers/lcd/lcd.h

@@ -0,0 +1,52 @@
+#ifndef LCD_H
+#define LCD_H
+
+#include "wm_include.h"
+#include "lv_conf.h"
+/* Used SOC : W800 or W801*/
+#define W800
+/* Display drive controller */
+#define DISPLAY_CONTROLLER ILI9341
+//#define DISPLAY_CONTROLLER ST7789V
+
+typedef enum LCDDataCommand
+{
+    LCD_COMMAND = 0,
+    LCD_DATA = 1
+} LCDDataCommand_e;
+
+typedef struct LCDConfig
+{
+    enum tls_io_name LCDPWMBacklightPin;
+    enum tls_io_name LCDClockPin;
+    enum tls_io_name LCDDataPin;
+    enum tls_io_name LCDCSPin;
+    enum tls_io_name LCDDataCommandPin;
+    enum tls_io_name LCDResetPin;
+} LCDConfig_t;
+
+/* Initializes the LCDConfig object to known values */
+void lcd_config_init(LCDConfig_t * const LCDConfig);
+
+/* Initializes IOs using the configured LCDConfig object and the LCD display */
+void lcd_init(LCDConfig_t * const LCDConfig);
+
+/* Sets the LCD write window area */
+void lcd_set_window(u16 x_start, u16 y_start, u16 x_end, u16 y_end);
+
+/* Writes the frame to display's internal RAM */
+void lcd_write_frame(void);
+
+/* Sets the backlight to the specified brightness value */
+void lcd_set_backlight(LCDConfig_t * const LCDConfig, u8 brightness);
+
+/* Sets the chip select pin */
+void lcd_set_cs(LCDConfig_t * const LCDConfig, bool selected);
+
+/* Sets the data/command pin state */
+void lcd_set_data_command(LCDConfig_t * const LCDConfig, LCDDataCommand_e dataCommand);
+
+/* Issues a reset of the lcd display */
+void lcd_hardware_reset(LCDConfig_t * const LCDConfig);
+
+#endif //LCD_H