/***************************************************************************** * | File : OLED_Driver.cpp * | Author : Waveshare team * | Function : 1.3inch OLED Drive function * | Info : *---------------- * | This version: V1.0 * | Date : 2020-08-20 * | Info : * ----------------------------------------------------------------------------- # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documnetation 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 # furished 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 OR 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. # ******************************************************************************/ #include "OLED_Driver.h" #include /******************************************************************************* function: Hardware reset *******************************************************************************/ static void OLED_Reset(void) { OLED_RST_1; Driver_Delay_ms(100); OLED_RST_0; Driver_Delay_ms(100); OLED_RST_1; Driver_Delay_ms(100); } /******************************************************************************* function: Write register address and data *******************************************************************************/ static void OLED_WriteReg(uint8_t Reg) { #if USE_SPI_4W OLED_DC_0; OLED_CS_0; SPI4W_Write_Byte(Reg); OLED_CS_1; #elif USE_IIC I2C_Write_Byte(Reg,IIC_CMD); #endif } static void OLED_WriteData(uint8_t Data) { #if USE_SPI_4W OLED_DC_1; OLED_CS_0; SPI4W_Write_Byte(Data); OLED_CS_1; #elif USE_IIC I2C_Write_Byte(Data,IIC_RAM); #endif } /******************************************************************************* function: Common register initialization *******************************************************************************/ static void OLED_InitReg(void) { OLED_WriteReg(0xAE);//--turn off oled panel OLED_WriteReg(0x00);//---set low column address OLED_WriteReg(0x10);//---set high column address OLED_WriteReg(0x20); OLED_WriteReg(0x00); OLED_WriteReg(0xFF); OLED_WriteReg(0xA6); OLED_WriteReg(0xA8); OLED_WriteReg(0x3F); OLED_WriteReg(0xD3); OLED_WriteReg(0x00); OLED_WriteReg(0xD5); OLED_WriteReg(0x80); OLED_WriteReg(0xD9); OLED_WriteReg(0x22); OLED_WriteReg(0xDA); OLED_WriteReg(0x12); OLED_WriteReg(0xDB); OLED_WriteReg(0x40); } /******************************************************************************** function: initialization ********************************************************************************/ void OLED_2IN42_Init() { //Hardware reset OLED_Reset(); //Set the initialization register OLED_InitReg(); Driver_Delay_ms(200); //Turn on the OLED display OLED_WriteReg(0xAF); } /******************************************************************************** function: Clear screen ********************************************************************************/ void OLED_2IN42_Clear() { // UWORD Width, Height; UWORD i, j; // Width = (OLED_1IN3_WIDTH % 8 == 0)? (OLED_1IN3_WIDTH / 8 ): (OLED_1IN3_WIDTH / 8 + 1); // Height = OLED_1IN3_HEIGHT; for (i=0; i<8; i++) { /* set page address */ OLED_WriteReg(0xB0 + i); /* set low column address */ OLED_WriteReg(0x00); /* set high column address */ OLED_WriteReg(0x10); for(j=0; j<128; j++) { /* write data */ OLED_WriteData(0x00); } } } /******************************************************************************** function: Update memory to OLED ********************************************************************************/ void OLED_2IN42_Display(const UBYTE *Image) { UWORD page, column, temp; for (page=0; page<8; page++) { /* set page address */ OLED_WriteReg(0xB0 + page); /* set low column address */ OLED_WriteReg(0x00); /* set high column address */ OLED_WriteReg(0x10); /* write data */ for(column=0; column<128; column++) { temp = Image[(7-page) + column*8]; OLED_WriteData(temp); } } } /******************************************************************************** function: Update array data to OLED ********************************************************************************/ void OLED_2IN42_Display_Array(const UBYTE *Image) { UWORD page, column, temp; for (page=0; page<8; page++) { /* set page address */ OLED_WriteReg(0xB0 + page); /* set low column address */ OLED_WriteReg(0x00); /* set high column address */ OLED_WriteReg(0x10); /* write data */ for(column=0; column<128; column++) { temp = pgm_read_byte(&Image[(7-page) + column*8]); OLED_WriteData(temp); } } }