nemunaire/waveshareteam-e-Paper
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
waveshareteam-e-Paper/STM32/STM32-F103ZET6/User/e-Paper/EPD_2in7.c
hnwangkg-ezio 717cbb8d92 2019.07.31
2019-07-31 19:08:02 +08:00

238 lines
8.5 KiB
C
Raw Blame History

/*****************************************************************************
* | File : EPD_2in7.c
* | Author : Waveshare team
* | Function : 2.7inch e-paper
* | Info :
*----------------
* | This version: V3.0
* | Date : 2019-06-12
* | Info :
* -----------------------------------------------------------------------------
* V3.0(2019-06-12):
* 1.Change:
* lut_vcom_dc[] => EPD_2in7_lut_vcom_dc[]
* lut_ww[] => EPD_2in7_lut_ww[]
* lut_bw[] => EPD_2in7_lut_bw[]
* lut_bb[] => EPD_2in7_lut_bb[]
* lut_wb[] => EPD_2in7_lut_wb[]
* EPD_Reset() => EPD_2in7_Reset()
* EPD_SendCommand() => EPD_2in7_SendCommand()
* EPD_SendData() => EPD_2in7_SendData()
* EPD_WaitUntilIdle() => EPD_2in7_ReadBusy()
* EPD_SetLut() => EPD_2in7_SetLut()
* EPD_Init() => EPD_2in7_Init()
* EPD_Clear() => EPD_2in7_Clear()
* EPD_Display() => EPD_2in7_Display()
* EPD_Sleep() => EPD_2in7_Sleep()
* 2.remove commands define:
* #define PANEL_SETTING 0x00
* #define POWER_SETTING 0x01
* #define POWER_OFF 0x02
* #define POWER_OFF_SEQUENCE_SETTING 0x03
* #define POWER_ON 0x04
* #define POWER_ON_MEASURE 0x05
* #define BOOSTER_SOFT_START 0x06
* #define DEEP_SLEEP 0x07
* #define DATA_START_TRANSMISSION_1 0x10
* #define DATA_STOP 0x11
* #define DISPLAY_REFRESH 0x12
* #define DATA_START_TRANSMISSION_2 0x13
* #define PLL_CONTROL 0x30
* #define TEMPERATURE_SENSOR_COMMAND 0x40
* #define TEMPERATURE_SENSOR_CALIBRATION 0x41
* #define TEMPERATURE_SENSOR_WRITE 0x42
* #define TEMPERATURE_SENSOR_READ 0x43
* #define VCOM_AND_DATA_INTERVAL_SETTING 0x50
* #define LOW_POWER_DETECTION 0x51
* #define TCON_SETTING 0x60
* #define TCON_RESOLUTION 0x61
* #define SOURCE_AND_GATE_START_SETTING 0x62
* #define GET_STATUS 0x71
* #define AUTO_MEASURE_VCOM 0x80
* #define VCOM_VALUE 0x81
* #define VCM_DC_SETTING_REGISTER 0x82
* #define PROGRAM_MODE 0xA0
* #define ACTIVE_PROGRAM 0xA1
* #define READ_OTP_DATA 0xA2
* -----------------------------------------------------------------------------
* V2.0(2018-11-06):
* 1.Remove:ImageBuff[EPD_HEIGHT * EPD_WIDTH / 8]
* 2.Change:EPD_Display(UBYTE *Image)
* Need to pass parameters: pointer to cached data
#
# 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 "EPD_2in7.h"
#include "Debug.h"
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_2in7_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(10);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_2in7_SendCommand(UBYTE Reg)
{
DEV_Digital_Write(EPD_DC_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Reg);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_2in7_SendData(UBYTE Data)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_2in7_ReadBusy(void)
{
Debug("e-Paper busy\r\n");
UBYTE busy;
do {
EPD_2in7_SendCommand(0x71);
busy = DEV_Digital_Read(EPD_BUSY_PIN);
busy =!(busy & 0x01);
} while(busy);
DEV_Delay_ms(200);
Debug("e-Paper busy release\r\n");
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_2IN7_Init(void)
{
EPD_2in7_Reset();
EPD_2in7_SendCommand(0x06); //boost soft start
EPD_2in7_SendData(0x07); //A
EPD_2in7_SendData(0x07); //B
EPD_2in7_SendData(0x17); //C
EPD_2in7_SendCommand(0x04);
EPD_2in7_ReadBusy();
EPD_2in7_SendCommand(0x00); //panel setting
EPD_2in7_SendData(0x1f); //LUT from OTP<54><50>?128x296
EPD_2in7_SendCommand(0x16);
EPD_2in7_SendData(0x00); //KW-BF KWR-AF BWROTP 0f
EPD_2in7_SendCommand(0xF8);
EPD_2in7_SendData(0x60);
EPD_2in7_SendData(0xa5);
EPD_2in7_SendCommand(0xF8);
EPD_2in7_SendData(0x73);
EPD_2in7_SendData(0x23);
EPD_2in7_SendCommand(0xF8);
EPD_2in7_SendData(0x7C);
EPD_2in7_SendData(0x00);
EPD_2in7_SendCommand(0X50);
EPD_2in7_SendData(0x97); //WBmode:VBDF 17|D7 VBDW 97 VBDB 57 WBRmode:VBDF F7 VBDW 77 VBDB 37 VBDR B7
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_2IN7_Clear(void)
{
UWORD Width, Height;
Width = (EPD_2IN7_WIDTH % 8 == 0)? (EPD_2IN7_WIDTH / 8 ): (EPD_2IN7_WIDTH / 8 + 1);
Height = EPD_2IN7_HEIGHT;
EPD_2in7_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2in7_SendData(0XFF);
}
}
EPD_2in7_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2in7_SendData(0XFF);
}
}
EPD_2in7_SendCommand(0x12);
EPD_2in7_ReadBusy();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_2IN7_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_2IN7_WIDTH % 8 == 0)? (EPD_2IN7_WIDTH / 8 ): (EPD_2IN7_WIDTH / 8 + 1);
Height = EPD_2IN7_HEIGHT;
EPD_2in7_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2in7_SendData(Image[i + j * Width]);
}
}
EPD_2in7_SendCommand(0x12);
EPD_2in7_ReadBusy();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_2IN7_Sleep(void)
{
EPD_2in7_SendCommand(0X02); //power off
EPD_2in7_SendCommand(0X07); //deep sleep
EPD_2in7_SendData(0xA5);
}
Reference in a new issue View git blame Copy permalink