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esp-who/components/screen/controller_driver/ssd1322/ssd1322.c

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// Copyright 2020 Espressif Systems (Shanghai) Co. Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "driver/gpio.h"
#include "screen_driver.h"
#include "screen_utility.h"
#include "ssd1322.h"
static const char *TAG = "lcd ssd1322";
#define LCD_CHECK(a, str, ret) if(!(a)) { \
ESP_LOGE(TAG,"%s:%d (%s):%s", __FILE__, __LINE__, __FUNCTION__, str); \
return (ret); \
}
// Some fundamental define for screen controller
#define SSD1322_HEIGHT 128
#define SSD1322_WIDTH 480
#define SSD1322_COLUMNS 120
#define SSD1322_BITS_PER_PIXEL 4
// Commands
#define SSD1322_SETCOMMANDLOCK 0xFD
#define SSD1322_DISPLAYOFF 0xAE
#define SSD1322_DISPLAYON 0xAF
#define SSD1322_SETCLOCKDIVIDER 0xB3
#define SSD1322_SETDISPLAYOFFSET 0xA2
#define SSD1322_SETSTARTLINE 0xA1
#define SSD1322_SETREMAP 0xA0
#define SSD1322_FUNCTIONSEL 0xAB
#define SSD1322_DISPLAYENHANCE 0xB4
#define SSD1322_SETCONTRASTCURRENT 0xC1
#define SSD1322_MASTERCURRENTCONTROL 0xC7
#define SSD1322_SETPHASELENGTH 0xB1
#define SSD1322_DISPLAYENHANCEB 0xD1
#define SSD1322_SETPRECHARGEVOLTAGE 0xBB
#define SSD1322_SETSECONDPRECHARGEPERIOD 0xB6
#define SSD1322_SETVCOMH 0xBE
#define SSD1322_SETMUXRATIO 0xCA
#define SSD1322_SETCOLUMNADDR 0x15
#define SSD1322_SETROWADDR 0x75
#define SSD1322_WRITERAM 0x5C
#define SSD1322_ENTIREDISPLAYOFF 0xA4
#define SSD1322_ENTIREDISPLAYON 0xA5
#define SSD1322_NORMALDISPLAY 0xA6
#define SSD1322_INVERSEDISPLAY 0xA7
#define SSD1322_SETGPIO 0xB5
#define SSD1322_EXITPARTIALDISPLAY 0xA9
#define SSD1322_SELECTDEFAULTGRAYSCALE 0xB9
#define LCD_NAME "OLED SSD1322"
#define LCD_BPP SSD1322_BITS_PER_PIXEL
static scr_handle_t g_lcd_handle;
/**
* This header file is only used to redefine the function to facilitate the call.
* It can only be placed in this position, not in the head of the file.
*/
#include "interface_drv_def.h"
static esp_err_t lcd_ssd1322_write_ram_data(uint16_t color);
scr_driver_t lcd_ssd1322_default_driver = {
.init = lcd_ssd1322_init,
.deinit = lcd_ssd1322_deinit,
.set_direction = lcd_ssd1322_set_rotate,
.set_window = lcd_ssd1322_set_window,
.write_ram_data = lcd_ssd1322_write_ram_data,
.draw_pixel = lcd_ssd1322_draw_pixel,
.draw_bitmap = lcd_ssd1322_draw_bitmap,
.get_info = lcd_ssd1322_get_info,
};
esp_err_t lcd_ssd1322_init(const scr_controller_config_t *lcd_conf)
{
LCD_CHECK(lcd_conf->width <= SSD1322_WIDTH, "Width greater than maximum", ESP_ERR_INVALID_ARG);
LCD_CHECK(lcd_conf->height <= SSD1322_HEIGHT, "Height greater than maximum", ESP_ERR_INVALID_ARG);
// Reset the display
if (lcd_conf->pin_num_rst >= 0) {
gpio_pad_select_gpio(lcd_conf->pin_num_rst);
gpio_set_direction(lcd_conf->pin_num_rst, GPIO_MODE_OUTPUT);
gpio_set_level(lcd_conf->pin_num_rst, (lcd_conf->rst_active_level) & 0x1);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_set_level(lcd_conf->pin_num_rst, (~(lcd_conf->rst_active_level)) & 0x1);
vTaskDelay(100 / portTICK_RATE_MS);
}
g_lcd_handle.interface_drv = lcd_conf->interface_drv;
g_lcd_handle.original_width = lcd_conf->width;
g_lcd_handle.original_height = lcd_conf->height;
g_lcd_handle.offset_hor = lcd_conf->offset_hor;
g_lcd_handle.offset_ver = lcd_conf->offset_ver;
LCD_WRITE_CMD(SSD1322_SETCOMMANDLOCK);// 0xFD
LCD_WRITE_DATA(0x12);// Unlock OLED driver IC
LCD_WRITE_CMD(SSD1322_DISPLAYOFF);// 0xAE
LCD_WRITE_CMD(SSD1322_SETCLOCKDIVIDER);// 0xB3
LCD_WRITE_DATA(0x91);// 0xB3
LCD_WRITE_CMD(SSD1322_SETMUXRATIO);// 0xCA
LCD_WRITE_DATA(0x3F);// duty = 1/64
LCD_WRITE_CMD(SSD1322_SETDISPLAYOFFSET);// 0xA2
LCD_WRITE_DATA(0x00);
LCD_WRITE_CMD(SSD1322_SETSTARTLINE);// 0xA1
LCD_WRITE_DATA(0x00);
LCD_WRITE_CMD(SSD1322_SETREMAP);// 0xA0
LCD_WRITE_DATA(0x14);//Horizontal address increment,Disable Column Address Re-map,Enable Nibble Re-map,Scan from COM[N-1] to COM0,Disable COM Split Odd Even
LCD_WRITE_DATA(0x11);//Enable Dual COM mode
LCD_WRITE_CMD(SSD1322_SETGPIO);// 0xB5
LCD_WRITE_DATA(0x00);// Disable GPIO Pins Input
LCD_WRITE_CMD(SSD1322_FUNCTIONSEL);// 0xAB
LCD_WRITE_DATA(0x01);// selection external vdd
LCD_WRITE_CMD(SSD1322_DISPLAYENHANCE);// 0xB4
LCD_WRITE_DATA(0xA0);// enables the external VSL
LCD_WRITE_DATA(0xFD);// 0xfFD,Enhanced low GS display quality;default is 0xb5(normal),
LCD_WRITE_CMD(SSD1322_SETCONTRASTCURRENT);// 0xC1
LCD_WRITE_DATA(0xFF);// 0xFF - default is 0x7f
LCD_WRITE_CMD(SSD1322_MASTERCURRENTCONTROL);// 0xC7
LCD_WRITE_DATA(0x0F);// default is 0x0F
// Set grayscale
LCD_WRITE_CMD(SSD1322_SELECTDEFAULTGRAYSCALE); // 0xB9
LCD_WRITE_CMD(SSD1322_SETPHASELENGTH);// 0xB1
LCD_WRITE_DATA(0xE2);// default is 0x74
LCD_WRITE_CMD(SSD1322_DISPLAYENHANCEB);// 0xD1
LCD_WRITE_DATA(0x82);// Reserved;default is 0xa2(normal)
LCD_WRITE_DATA(0x20);//
LCD_WRITE_CMD(SSD1322_SETPRECHARGEVOLTAGE);// 0xBB
LCD_WRITE_DATA(0x1F);// 0.6xVcc
LCD_WRITE_CMD(SSD1322_SETSECONDPRECHARGEPERIOD);// 0xB6
LCD_WRITE_DATA(0x08);// default
LCD_WRITE_CMD(SSD1322_SETVCOMH);// 0xBE
LCD_WRITE_DATA(0x07);// 0.86xVcc;default is 0x04
LCD_WRITE_CMD(SSD1322_NORMALDISPLAY);// 0xA6
LCD_WRITE_CMD(SSD1322_EXITPARTIALDISPLAY);// 0xA9
LCD_WRITE_CMD(SSD1322_DISPLAYON); //Sleep Out
lcd_ssd1322_set_rotate(lcd_conf->rotate);
return ESP_OK;
}
esp_err_t lcd_ssd1322_deinit(void)
{
memset(&g_lcd_handle, 0, sizeof(scr_handle_t));
return ESP_OK;
}
esp_err_t lcd_ssd1322_get_info(scr_info_t *info)
{
LCD_CHECK(NULL != info, "info pointer invalid", ESP_ERR_INVALID_ARG);
info->width = g_lcd_handle.width;
info->height = g_lcd_handle.height;
info->dir = g_lcd_handle.dir;
info->name = LCD_NAME;
info->color_type = SCR_COLOR_TYPE_GRAY;
info->bpp = LCD_BPP;
return ESP_OK;
}
esp_err_t lcd_ssd1322_set_rotate(scr_dir_t dir)
{
esp_err_t ret = ESP_OK;
if (SCR_DIR_MAX < dir) {
dir >>= 5;
}
LCD_CHECK(dir < 8, "Unsupport rotate direction", ESP_ERR_INVALID_ARG);
uint8_t reg_data = 0x04;
switch (dir) {
case SCR_DIR_LRTB:
reg_data |= 0x00;
g_lcd_handle.width = g_lcd_handle.original_width;
g_lcd_handle.height = g_lcd_handle.original_height;
break;
case SCR_DIR_LRBT:
reg_data |= 0x10;
g_lcd_handle.width = g_lcd_handle.original_width;
g_lcd_handle.height = g_lcd_handle.original_height;
break;
case SCR_DIR_RLTB:
reg_data |= 0x02;
g_lcd_handle.width = g_lcd_handle.original_width;
g_lcd_handle.height = g_lcd_handle.original_height;
break;
case SCR_DIR_RLBT:
reg_data |= 0x12;
g_lcd_handle.width = g_lcd_handle.original_width;
g_lcd_handle.height = g_lcd_handle.original_height;
break;
default:
ESP_LOGE(TAG, "Unsupport rotate direction");
g_lcd_handle.width = g_lcd_handle.original_width;
g_lcd_handle.height = g_lcd_handle.original_height;
return ESP_ERR_INVALID_ARG;
}
ESP_LOGI(TAG, "Set rotate 0x%x", reg_data);
ret |= LCD_WRITE_CMD(SSD1322_SETREMAP);
ret |= LCD_WRITE_DATA(reg_data);
ret |= LCD_WRITE_DATA(0x11);
LCD_CHECK(ESP_OK == ret, "Set screen rotate failed", ESP_FAIL);
g_lcd_handle.dir = dir;
return ESP_OK;
}
esp_err_t lcd_ssd1322_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
{
esp_err_t ret = ESP_OK;
x1 += 1;
LCD_CHECK((0 == (x0 % 4)), "x0 should be a multiple of 4", ESP_ERR_INVALID_ARG);
LCD_CHECK((0 == (x1 % 4)), "(x1+1) should be a multiple of 4", ESP_ERR_INVALID_ARG);
uint8_t col0 = x0 / 4;
uint8_t col1 = x1 / 4;
ret |= LCD_WRITE_CMD(SSD1322_SETCOLUMNADDR);
ret |= LCD_WRITE_DATA(0x1c + col0);
ret |= LCD_WRITE_DATA(0x1c + col1 - 1);
ret |= LCD_WRITE_CMD(SSD1322_SETROWADDR);
ret |= LCD_WRITE_DATA(y0);
ret |= LCD_WRITE_DATA(y1);
ret |= LCD_WRITE_CMD(SSD1322_WRITERAM);
LCD_CHECK(ESP_OK == ret, "Set window failed", ESP_FAIL);
return ESP_OK;
}
static esp_err_t lcd_ssd1322_write_ram_data(uint16_t color)
{
ESP_LOGW(TAG, "Unsupport write ram data");
return ESP_ERR_NOT_SUPPORTED;
}
esp_err_t lcd_ssd1322_draw_pixel(uint16_t x, uint16_t y, uint16_t color)
{
ESP_LOGW(TAG, "Unsupport draw pixel without buffer");
return ESP_ERR_NOT_SUPPORTED;
}
esp_err_t lcd_ssd1322_draw_bitmap(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t *bitmap)
{
LCD_CHECK((x + w <= g_lcd_handle.width) && (y + h <= g_lcd_handle.height), "The set coordinates exceed the screen size", ESP_ERR_INVALID_ARG);
esp_err_t ret = ESP_OK;
uint8_t *p = (uint8_t *)bitmap;
ret = lcd_ssd1322_set_window(x, y, x + w - 1, y + h - 1);
if (ESP_OK != ret) {
return ESP_FAIL;
}
ret = LCD_WRITE(p, w * LCD_BPP / 8 * h);
LCD_CHECK(ESP_OK == ret, "Draw bitmap failed", ESP_FAIL);
return ESP_OK;
}
esp_err_t lcd_ssd1322_set_contrast(uint8_t contrast)
{
esp_err_t ret;
ret = LCD_WRITE_CMD(SSD1322_SETCONTRASTCURRENT);
ret |= LCD_WRITE_DATA(contrast);
LCD_CHECK(ESP_OK == ret, "Set contrast failed", ESP_FAIL);
return ESP_OK;
}
esp_err_t lcd_ssd1322_set_invert(uint8_t is_invert)
{
esp_err_t ret;
ret = LCD_WRITE_CMD(is_invert ? SSD1322_INVERSEDISPLAY : SSD1322_NORMALDISPLAY);
LCD_CHECK(ESP_OK == ret, "Set contrast failed", ESP_FAIL);
return ESP_OK;
}
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