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ndg/display/SSD1963.c

293 lines
7.1 KiB
C

/**
* @file SSD1963.c
*
*/
/*********************
* INCLUDES
*********************/
#include "SSD1963.h"
#if USE_SSD1963
#include <stdbool.h>
#include LV_DRV_DISP_INCLUDE
#include LV_DRV_DELAY_INCLUDE
/*********************
* DEFINES
*********************/
#define SSD1963_CMD_MODE 0
#define SSD1963_DATA_MODE 1
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static inline void ssd1963_cmd_mode(void);
static inline void ssd1963_data_mode(void);
static inline void ssd1963_cmd(uint8_t cmd);
static inline void ssd1963_data(uint8_t data);
static void ssd1963_io_init(void);
static void ssd1963_reset(void);
static void ssd1963_set_clk(void);
static void ssd1963_set_tft_spec(void);
static void ssd1963_init_bl(void);
/**********************
* STATIC VARIABLES
**********************/
static bool cmd_mode = true;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void ssd1963_init(void)
{
LV_DRV_DISP_CMD_DATA(SSD1963_CMD_MODE);
cmd_mode = true;
LV_DRV_DELAY_MS(250);
ssd1963_cmd(0x00E2); //PLL multiplier, set PLL clock to 120M
ssd1963_data(0x0023); //N=0x36 for 6.5M, 0x23 for 10M crystal
ssd1963_data(0x0002);
ssd1963_data(0x0004);
ssd1963_cmd(0x00E0); // PLL enable
ssd1963_data(0x0001);
LV_DRV_DELAY_MS(1);
ssd1963_cmd(0x00E0);
ssd1963_data(0x0003); // now, use PLL output as system clock
LV_DRV_DELAY_MS(1);
ssd1963_cmd(0x0001); // software reset
LV_DRV_DELAY_MS(1);
ssd1963_cmd(0x00E6); //PLL setting for PCLK, depends on resolution
ssd1963_data(0x0001); //HX8257C
ssd1963_data(0x0033); //HX8257C
ssd1963_data(0x0033); //HX8257C
ssd1963_cmd(0x00B0); //LCD SPECIFICATION
ssd1963_data(0x0020);
ssd1963_data(0x0000);
ssd1963_data(((SSD1963_HOR_RES - 1) >> 8) & 0X00FF); //Set HDP
ssd1963_data((SSD1963_HOR_RES - 1) & 0X00FF);
ssd1963_data(((SSD1963_VER_RES - 1) >> 8) & 0X00FF); //Set VDP
ssd1963_data((SSD1963_VER_RES - 1) & 0X00FF);
ssd1963_data(0x0000);
LV_DRV_DELAY_MS(1);//Delay10us(5);
ssd1963_cmd(0x00B4); //HSYNC
ssd1963_data((SSD1963_HT >> 8) & 0X00FF); //Set HT
ssd1963_data(SSD1963_HT & 0X00FF);
ssd1963_data((SSD1963_HPS >> 8) & 0X00FF); //Set HPS
ssd1963_data(SSD1963_HPS & 0X00FF);
ssd1963_data(SSD1963_HPW); //Set HPW
ssd1963_data((SSD1963_LPS >> 8) & 0X00FF); //SetLPS
ssd1963_data(SSD1963_LPS & 0X00FF);
ssd1963_data(0x0000);
ssd1963_cmd(0x00B6); //VSYNC
ssd1963_data((SSD1963_VT >> 8) & 0X00FF); //Set VT
ssd1963_data(SSD1963_VT & 0X00FF);
ssd1963_data((SSD1963_VPS >> 8) & 0X00FF); //Set VPS
ssd1963_data(SSD1963_VPS & 0X00FF);
ssd1963_data(SSD1963_VPW); //Set VPW
ssd1963_data((SSD1963_FPS >> 8) & 0X00FF); //Set FPS
ssd1963_data(SSD1963_FPS & 0X00FF);
ssd1963_cmd(0x00B8);
ssd1963_data(0x000f); //GPIO is controlled by host GPIO[3:0]=output GPIO[0]=1 LCD ON GPIO[0]=1 LCD OFF
ssd1963_data(0x0001); //GPIO0 normal
ssd1963_cmd(0x00BA);
ssd1963_data(0x0001); //GPIO[0] out 1 --- LCD display on/off control PIN
ssd1963_cmd(0x0036); //rotation
ssd1963_data(0x0008); //RGB=BGR
ssd1963_cmd(0x003A); //Set the current pixel format for RGB image data
ssd1963_data(0x0050); //16-bit/pixel
ssd1963_cmd(0x00F0); //Pixel Data Interface Format
ssd1963_data(0x0003); //16-bit(565 format) data
ssd1963_cmd(0x00BC);
ssd1963_data(0x0040); //contrast value
ssd1963_data(0x0080); //brightness value
ssd1963_data(0x0040); //saturation value
ssd1963_data(0x0001); //Post Processor Enable
LV_DRV_DELAY_MS(1);
ssd1963_cmd(0x0029); //display on
ssd1963_cmd(0x00BE); //set PWM for B/L
ssd1963_data(0x0006);
ssd1963_data(0x0080);
ssd1963_data(0x0001);
ssd1963_data(0x00f0);
ssd1963_data(0x0000);
ssd1963_data(0x0000);
ssd1963_cmd(0x00d0);
ssd1963_data(0x000d);
//DisplayBacklightOn();
LV_DRV_DELAY_MS(30);
}
void ssd1963_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
{
/*Return if the area is out the screen*/
if(area->x2 < 0) return;
if(area->y2 < 0) return;
if(area->x1 > SSD1963_HOR_RES - 1) return;
if(area->y1 > SSD1963_VER_RES - 1) return;
/*Truncate the area to the screen*/
int32_t act_x1 = area->x1 < 0 ? 0 : area->x1;
int32_t act_y1 = area->y1 < 0 ? 0 : area->y1;
int32_t act_x2 = area->x2 > SSD1963_HOR_RES - 1 ? SSD1963_HOR_RES - 1 : area->x2;
int32_t act_y2 = area->y2 > SSD1963_VER_RES - 1 ? SSD1963_VER_RES - 1 : area->y2;
//Set the rectangular area
ssd1963_cmd(0x002A);
ssd1963_data(act_x1 >> 8);
ssd1963_data(0x00FF & act_x1);
ssd1963_data(act_x2 >> 8);
ssd1963_data(0x00FF & act_x2);
ssd1963_cmd(0x002B);
ssd1963_data(act_y1 >> 8);
ssd1963_data(0x00FF & act_y1);
ssd1963_data(act_y2 >> 8);
ssd1963_data(0x00FF & act_y2);
ssd1963_cmd(0x2c);
int16_t i;
uint16_t full_w = area->x2 - area->x1 + 1;
ssd1963_data_mode();
LV_DRV_DISP_PAR_CS(0);
#if LV_COLOR_DEPTH == 16
uint16_t act_w = act_x2 - act_x1 + 1;
for(i = act_y1; i <= act_y2; i++) {
LV_DRV_DISP_PAR_WR_ARRAY((uint16_t *)color_p, act_w);
color_p += full_w;
}
LV_DRV_DISP_PAR_CS(1);
#else
int16_t j;
for(i = act_y1; i <= act_y2; i++) {
for(j = 0; j <= act_x2 - act_x1 + 1; j++) {
LV_DRV_DISP_PAR_WR_WORD(color_p[j]);
color_p += full_w;
}
}
#endif
lv_disp_flush_ready(disp_drv);
}
/**********************
* STATIC FUNCTIONS
**********************/
static void ssd1963_io_init(void)
{
LV_DRV_DISP_CMD_DATA(SSD1963_CMD_MODE);
cmd_mode = true;
}
static void ssd1963_reset(void)
{
/*Hardware reset*/
LV_DRV_DISP_RST(1);
LV_DRV_DELAY_MS(50);
LV_DRV_DISP_RST(0);
LV_DRV_DELAY_MS(50);
LV_DRV_DISP_RST(1);
LV_DRV_DELAY_MS(50);
/*Chip enable*/
LV_DRV_DISP_PAR_CS(0);
LV_DRV_DELAY_MS(10);
LV_DRV_DISP_PAR_CS(1);
LV_DRV_DELAY_MS(5);
/*Software reset*/
ssd1963_cmd(0x01);
LV_DRV_DELAY_MS(20);
ssd1963_cmd(0x01);
LV_DRV_DELAY_MS(20);
ssd1963_cmd(0x01);
LV_DRV_DELAY_MS(20);
}
/**
* Command mode
*/
static inline void ssd1963_cmd_mode(void)
{
if(cmd_mode == false) {
LV_DRV_DISP_CMD_DATA(SSD1963_CMD_MODE);
cmd_mode = true;
}
}
/**
* Data mode
*/
static inline void ssd1963_data_mode(void)
{
if(cmd_mode != false) {
LV_DRV_DISP_CMD_DATA(SSD1963_DATA_MODE);
cmd_mode = false;
}
}
/**
* Write command
* @param cmd the command
*/
static inline void ssd1963_cmd(uint8_t cmd)
{
LV_DRV_DISP_PAR_CS(0);
ssd1963_cmd_mode();
LV_DRV_DISP_PAR_WR_WORD(cmd);
LV_DRV_DISP_PAR_CS(1);
}
/**
* Write data
* @param data the data
*/
static inline void ssd1963_data(uint8_t data)
{
LV_DRV_DISP_PAR_CS(0);
ssd1963_data_mode();
LV_DRV_DISP_PAR_WR_WORD(data);
LV_DRV_DISP_PAR_CS(1);
}
#endif