2019.06.24
This commit is contained in:
hnwangkg-ezio
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e945bfbbf3
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1f82e4a488
2990 changed files with 667957 additions and 444550 deletions
338
Raspberry Pi/c/lib/e-Paper/EPD_4in2.c
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338
Raspberry Pi/c/lib/e-Paper/EPD_4in2.c
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/*****************************************************************************
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* | File : EPD_4in2.c
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* | Author : Waveshare team
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* | Function : 4.2inch e-paper
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* | Info :
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*----------------
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* | This version: V3.0
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* | Date : 2019-06-13
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* | Info :
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* -----------------------------------------------------------------------------
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* V3.0(2019-06-13):
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* 1.Change:
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* lut_vcomDC[] => EPD_4IN2_lut_vcomDC[]
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* lut_ww[] => EPD_4IN2_lut_ww[]
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* lut_bw[] => EPD_4IN2_lut_bw[]
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* lut_wb[] => EPD_4IN2_lut_wb[]
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* lut_bb[] => EPD_4IN2_lut_bb[]
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* EPD_Reset() => EPD_4IN2_Reset()
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* EPD_SendCommand() => EPD_4IN2_SendCommand()
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* EPD_SendData() => EPD_4IN2_SendData()
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* EPD_WaitUntilIdle() => EPD_4IN2_ReadBusy()
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* EPD_SetFullReg() => EPD_4IN2_SetFullReg()
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* EPD_SetPartReg() => EPD_4IN2_SetPartReg()
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* EPD_TurnOnDisplay() => EPD_4IN2_TurnOnDisplay()
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* EPD_Init() => EPD_4IN2_Init()
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* EPD_Clear() => EPD_4IN2_Clear()
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* EPD_Display() => EPD_4IN2_Display()
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* EPD_Sleep() => EPD_4IN2_Sleep()
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* 2.remove commands define:
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* #define PANEL_SETTING 0x00
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* #define POWER_SETTING 0x01
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* #define POWER_OFF 0x02
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* #define POWER_OFF_SEQUENCE_SETTING 0x03
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* #define POWER_ON 0x04
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* #define POWER_ON_MEASURE 0x05
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* #define BOOSTER_SOFT_START 0x06
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* #define DEEP_SLEEP 0x07
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* #define DATA_START_TRANSMISSION_1 0x10
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* #define DATA_STOP 0x11
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* #define DISPLAY_REFRESH 0x12
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* #define DATA_START_TRANSMISSION_2 0x13
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* #define VCOM_LUT 0x20
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* #define W2W_LUT 0x21
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* #define B2W_LUT 0x22
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* #define W2B_LUT 0x23
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* #define B2B_LUT 0x24
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* #define PLL_CONTROL 0x30
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* #define TEMPERATURE_SENSOR_CALIBRATION 0x40
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* #define TEMPERATURE_SENSOR_SELECTION 0x41
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* #define TEMPERATURE_SENSOR_WRITE 0x42
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* #define TEMPERATURE_SENSOR_READ 0x43
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* #define VCOM_AND_DATA_INTERVAL_SETTING 0x50
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* #define LOW_POWER_DETECTION 0x51
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* #define TCON_SETTING 0x60
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* #define RESOLUTION_SETTING 0x61
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* #define GET_STATUS 0x71
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* #define AUTO_MEASURE_VCOM 0x80
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* #define READ_VCOM_VALUE 0x81
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* #define VCM_DC_SETTING 0x82
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* #define PARTIAL_WINDOW 0x90
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* #define PARTIAL_IN 0x91
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* #define PARTIAL_OUT 0x92
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* #define PROGRAM_MODE 0xA0
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* #define ACTIVE_PROGRAM 0xA1
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* #define READ_OTP_DATA 0xA2
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* #define POWER_SAVING 0xE3
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* V2.0(2018-10-30):
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* 1.Remove:ImageBuff[EPD_HEIGHT * EPD_WIDTH / 8]
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* 2.Change:EPD_Display(UBYTE *Image)
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* Need to pass parameters: pointer to cached data
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include "EPD_4in2.h"
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#include "Debug.h"
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static const unsigned char EPD_4IN2_lut_vcom0[] = {
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0x00, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x00, 0x17, 0x17, 0x00, 0x00, 0x02,
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0x00, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_4IN2_lut_ww[] = {
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
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0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_4IN2_lut_bw[] = {
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
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0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_4IN2_lut_wb[] = {
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
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0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static const unsigned char EPD_4IN2_lut_bb[] = {
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
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0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
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0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
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0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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/******************************************************************************
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function : Software reset
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parameter:
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******************************************************************************/
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static void EPD_4IN2_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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DEV_Digital_Write(EPD_RST_PIN, 0);
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DEV_Delay_ms(200);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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}
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/******************************************************************************
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function : send command
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parameter:
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Reg : Command register
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******************************************************************************/
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static void EPD_4IN2_SendCommand(UBYTE Reg)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Reg);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : send data
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parameter:
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Data : Write data
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******************************************************************************/
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static void EPD_4IN2_SendData(UBYTE Data)
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{
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DEV_Digital_Write(EPD_DC_PIN, 1);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Data);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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void EPD_4IN2_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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while(DEV_Digital_Read(EPD_BUSY_PIN) == 0) { //LOW: idle, HIGH: busy
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DEV_Delay_ms(100);
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}
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Debug("e-Paper busy release\r\n");
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_4IN2_TurnOnDisplay(void)
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{
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EPD_4IN2_SendCommand(0x12);
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DEV_Delay_ms(100);
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EPD_4IN2_ReadBusy();
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}
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/******************************************************************************
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function : set the look-up tables
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parameter:
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******************************************************************************/
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static void EPD_4IN2_SetLut(void)
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{
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UWORD count;
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EPD_4IN2_SendCommand(0x20); //g vcom
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for(count=0; count<44; count++) {
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EPD_4IN2_SendData(EPD_4IN2_lut_vcom0[count]);
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}
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EPD_4IN2_SendCommand(0x21);
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for(count=0; count<42; count++) {
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EPD_4IN2_SendData(EPD_4IN2_lut_ww[count]);
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}
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EPD_4IN2_SendCommand(0x22);
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for(count=0; count<42; count++) {
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EPD_4IN2_SendData(EPD_4IN2_lut_bw[count]);
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}
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EPD_4IN2_SendCommand(0x23);
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for(count=0; count<42; count++) {
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EPD_4IN2_SendData(EPD_4IN2_lut_wb[count]);
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}
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EPD_4IN2_SendCommand(0x24);
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for(count=0; count<42; count++) {
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EPD_4IN2_SendData(EPD_4IN2_lut_bb[count]);
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}
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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void EPD_4IN2_Init(void)
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{
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EPD_4IN2_Reset();
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EPD_4IN2_SendCommand(0x01); // POWER SETTING
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EPD_4IN2_SendData(0x03);
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EPD_4IN2_SendData(0x00);
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EPD_4IN2_SendData(0x2b);
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EPD_4IN2_SendData(0x2b);
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EPD_4IN2_SendCommand(0x06); // boost soft start
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EPD_4IN2_SendData(0x17); //A
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EPD_4IN2_SendData(0x17); //B
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EPD_4IN2_SendData(0x17); //C
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EPD_4IN2_SendCommand(0x04); // POWER_ON
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EPD_4IN2_ReadBusy();
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EPD_4IN2_SendCommand(0x00); // panel setting
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EPD_4IN2_SendData(0xbf); // KW-BF KWR-AF BWROTP 0f BWOTP 1f
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EPD_4IN2_SendData(0x0d);
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EPD_4IN2_SendCommand(0x30); // PLL setting
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EPD_4IN2_SendData(0x3C); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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EPD_4IN2_SendCommand(0x61); // resolution setting
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EPD_4IN2_SendData(0x01);
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EPD_4IN2_SendData(0x90); //128
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EPD_4IN2_SendData(0x01); //
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EPD_4IN2_SendData(0x2c);
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EPD_4IN2_SendCommand(0x82); // vcom_DC setting
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EPD_4IN2_SendData(0x28);
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EPD_4IN2_SendCommand(0X50); // VCOM AND DATA INTERVAL SETTING
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EPD_4IN2_SendData(0x97); // 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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EPD_4IN2_SetLut();
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}
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/******************************************************************************
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function : Clear screen
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parameter:
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******************************************************************************/
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void EPD_4IN2_Clear(void)
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{
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UWORD Width, Height;
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Width = (EPD_4IN2_WIDTH % 8 == 0)? (EPD_4IN2_WIDTH / 8 ): (EPD_4IN2_WIDTH / 8 + 1);
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Height = EPD_4IN2_HEIGHT;
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EPD_4IN2_SendCommand(0x10);
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for (UWORD j = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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EPD_4IN2_SendData(0xFF);
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}
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}
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EPD_4IN2_SendCommand(0x13);
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for (UWORD j = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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EPD_4IN2_SendData(0xFF);
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}
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}
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EPD_4IN2_TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void EPD_4IN2_Display(UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_4IN2_WIDTH % 8 == 0)? (EPD_4IN2_WIDTH / 8 ): (EPD_4IN2_WIDTH / 8 + 1);
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Height = EPD_4IN2_HEIGHT;
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EPD_4IN2_SendCommand(0x13);
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for (UWORD j = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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EPD_4IN2_SendData(Image[i + j * Width]);
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}
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}
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EPD_4IN2_TurnOnDisplay();
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}
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/******************************************************************************
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function : Enter sleep mode
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parameter:
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******************************************************************************/
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void EPD_4IN2_Sleep(void)
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{
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EPD_4IN2_SendCommand(0x02); // POWER_OFF
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EPD_4IN2_ReadBusy();
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EPD_4IN2_SendCommand(0x07); // DEEP_SLEEP
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EPD_4IN2_SendData(0XA5);
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}
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