/**
*!
* \file b_drv_oled.c
* \version v0.0.1
* \date 2020/03/02
* \author Bean(notrynohigh@outlook.com)
*******************************************************************************
* @attention
*
* Copyright (c) 2020 Bean
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************
*/
/*Includes ----------------------------------------------*/
#include "drivers/inc/b_drv_oled.h"
#include <string.h>
/**
* \addtogroup BABYOS
* \{
*/
/**
* \addtogroup B_DRIVER
* \{
*/
/**
* \addtogroup OLED
* \{
*/
/**
* \defgroup OLED_Private_TypesDefinitions
* \{
*/
/**
* \}
*/
/**
* \defgroup OLED_Private_Defines
* \{
*/
#ifndef _LCD_X_SIZE
#define _LCD_X_SIZE 128
#endif
#ifndef _LCD_Y_SIZE
#define _LCD_Y_SIZE 64
#endif
/**
* \}
*/
/**
* \defgroup OLED_Private_Macros
* \{
*/
/**
* \}
*/
/**
* \defgroup OLED_Private_Variables
* \{
*/
static uint8_t bOLED_Buff[_LCD_X_SIZE * _LCD_Y_SIZE / 8];
const static bOLED_HalIf_t bOLED_HalIf = HAL_OLED_IF;
bOLED_Driver_t bOLED_Driver;
/**
* \}
*/
/**
* \defgroup OLED_Private_FunctionPrototypes
* \{
*/
/**
* \}
*/
/**
* \defgroup OLED_Private_Functions
* \{
*/
static void _bOLED_WriteCmd(uint8_t cmd)
{
int ret = 0;
if (bOLED_HalIf.is_spi)
{
ret = -1;
// add spi ...
}
else
{
ret = bHalI2CDriver.pMemWrite(&bOLED_HalIf._if._i2c, 0x00, &cmd, 1);
}
if (ret < 0)
{
b_log_e("oled write command err\n");
}
}
static void _bOLED_WriteData(uint8_t dat)
{
int ret = 0;
if (bOLED_HalIf.is_spi)
{
ret = -1;
// add spi ...
}
else
{
ret = bHalI2CDriver.pMemWrite(&bOLED_HalIf._if._i2c, 0x40, &dat, 1);
}
if (ret < 0)
{
b_log_e("oled write data err\n");
}
}
static void _bOLEDSetCursor(uint8_t x, uint8_t y)
{
_bOLED_WriteCmd(0xb0 + y);
_bOLED_WriteCmd(x % 16);
_bOLED_WriteCmd((x / 16) | 0x10);
}
static void _bOLEDDrawPixel(uint8_t x, uint8_t y, uint8_t t)
{
uint16_t index;
uint8_t tmp = 0, off;
index = (y / 8) * _LCD_X_SIZE + x;
tmp = bOLED_Buff[index];
off = y % 8;
if (t)
{
tmp |= 1 << off;
}
else
{
tmp &= ~(1 << off);
}
bOLED_Buff[index] = tmp;
_bOLEDSetCursor(x, y / 8);
_bOLED_WriteData(tmp);
}
static void _bOLED_Fill(uint8_t fill_data)
{
uint8_t m, n;
for (m = 0; m < 8; m++)
{
_bOLED_WriteCmd(0xb0 + m); /// page0-page1
_bOLED_WriteCmd(0x00); /// low column start address
_bOLED_WriteCmd(0x10); /// high column start address
for (n = 0; n < 128; n++)
{
_bOLED_WriteData(fill_data);
}
}
}
static int _bOLEDWrite(bOLED_Driver_t *pdrv, uint32_t addr, uint8_t *pbuf, uint16_t len)
{
uint16_t x = addr % _LCD_X_SIZE;
uint16_t y = addr / _LCD_X_SIZE;
bLcdWrite_t *pcolor = (bLcdWrite_t *)pbuf;
if (y >= _LCD_Y_SIZE || pbuf == NULL || len < sizeof(bLcdWrite_t))
{
return -1;
}
_bOLEDDrawPixel(x, y, pcolor->color);
return 2;
}
/**
* \}
*/
/**
* \addtogroup OLED_Exported_Functions
* \{
*/
int bOLED_Init()
{
bHalDelayMs(100);
_bOLED_WriteCmd(0xAE); /// display off
_bOLED_WriteCmd(0x20); /// Set Memory Addressing Mode
_bOLED_WriteCmd(0x10); /// 00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page
/// Addressing Mode (RESET);11,Invalid
_bOLED_WriteCmd(0xb0); /// Set Page Start Address for Page Addressing Mode,0-7
_bOLED_WriteCmd(0xc8); /// Set COM Output Scan Direction
_bOLED_WriteCmd(0x00); ///---set low column address
_bOLED_WriteCmd(0x10); ///---set high column address
_bOLED_WriteCmd(0x40); ///--set start line address
_bOLED_WriteCmd(0x81); ///--set contrast control register
_bOLED_WriteCmd(0xff); /// 0x00~0xff **** Brightness control
_bOLED_WriteCmd(0xa1); ///--set segment re-map 0 to 127
_bOLED_WriteCmd(0xa6); ///--set normal display
_bOLED_WriteCmd(0xa8); ///--set multiplex ratio(1 to 64)
_bOLED_WriteCmd(0x3F); ///
_bOLED_WriteCmd(0xa4); /// 0xa4,Output follows RAM content;0xa5,Output ignores RAM content
_bOLED_WriteCmd(0xd3); ///-set display offset
_bOLED_WriteCmd(0x00); ///-not offset
_bOLED_WriteCmd(0xd5); ///--set display clock divide ratio/oscillator frequency
_bOLED_WriteCmd(0xf0); ///--set divide ratio
_bOLED_WriteCmd(0xd9); //--set pre-charge period
_bOLED_WriteCmd(0x22); ///
_bOLED_WriteCmd(0xda); ///--set com pins hardware configuration
_bOLED_WriteCmd(0x12);
_bOLED_WriteCmd(0xdb); ///--set vcomh
_bOLED_WriteCmd(0x20); /// 0x20,0.77xVcc
_bOLED_WriteCmd(0x8d); ///--set DC-DC enable
_bOLED_WriteCmd(0x14); ///
_bOLED_WriteCmd(0xaf); ///--turn on oled panel
memset(bOLED_Buff, 0, sizeof(bOLED_Buff));
bOLED_Driver.close = NULL;
bOLED_Driver.read = NULL;
bOLED_Driver.ctl = NULL;
bOLED_Driver.open = NULL;
bOLED_Driver.write = _bOLEDWrite;
bOLED_Driver.status = 0;
_bOLED_Fill(0);
return 0;
}
bDRIVER_REG_INIT(bOLED_Init);
/**
* \}
*/
/**
* \}
*/
/**
* \}
*/
/**
* \}
*/
/************************ Copyright (c) 2019 Bean *****END OF FILE****/