You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
191 lines
5.8 KiB
C
191 lines
5.8 KiB
C
/*****************************************************************************
|
|
* | File : EPD_3IN7.c
|
|
* | Author : Waveshare team
|
|
* | Function : 3.7inch e-paper
|
|
* | Info :
|
|
*----------------
|
|
* | This version: V1.0
|
|
* | Date : 2020-08-10
|
|
* | 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.
|
|
#
|
|
******************************************************************************/
|
|
|
|
static const UBYTE lut_1Gray_GC[] =
|
|
{
|
|
0x2A,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//1
|
|
0x05,0x2A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//2
|
|
0x2A,0x15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//3
|
|
0x05,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//4
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//5
|
|
0x00,0x02,0x03,0x0A,0x00,0x02,0x06,0x0A,0x05,0x00,//6
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//7
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//8
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//9
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//10
|
|
0x22,0x22,0x22,0x22,0x22
|
|
};
|
|
|
|
static void EPD_3IN7_ReadBusy_HIGH(void)
|
|
{
|
|
Serial.print("e-Paper busy\r\n");
|
|
UBYTE busy;
|
|
do {
|
|
busy = digitalRead(PIN_SPI_BUSY);
|
|
} while(busy);
|
|
delay(200);
|
|
Serial.print("e-Paper busy release\r\n");
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : set the look-up tables
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_3IN7_Load_LUT(void)
|
|
{
|
|
UWORD i;
|
|
EPD_SendCommand(0x32);
|
|
for (i = 0; i < 105; i++)
|
|
{
|
|
EPD_SendData(lut_1Gray_GC[i]);
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Initialize the e-Paper register
|
|
parameter:
|
|
******************************************************************************/
|
|
int EPD_3IN7_1Gray_Init()
|
|
{
|
|
EPD_Reset();
|
|
|
|
EPD_SendCommand(0x12);
|
|
delay(300);
|
|
|
|
EPD_SendCommand(0x46);
|
|
EPD_SendData(0xF7);
|
|
EPD_3IN7_ReadBusy_HIGH();
|
|
EPD_SendCommand(0x47);
|
|
EPD_SendData(0xF7);
|
|
EPD_3IN7_ReadBusy_HIGH();
|
|
|
|
EPD_SendCommand(0x01); // setting gaet number
|
|
EPD_SendData(0xDF);
|
|
EPD_SendData(0x01);
|
|
EPD_SendData(0x00);
|
|
|
|
EPD_SendCommand(0x03); // set gate voltage
|
|
EPD_SendData(0x00);
|
|
|
|
EPD_SendCommand(0x04); // set source voltage
|
|
EPD_SendData(0x41);
|
|
EPD_SendData(0xA8);
|
|
EPD_SendData(0x32);
|
|
|
|
EPD_SendCommand(0x11); // set data entry sequence
|
|
EPD_SendData(0x03);
|
|
|
|
EPD_SendCommand(0x3C); // set border
|
|
EPD_SendData(0x00);
|
|
|
|
EPD_SendCommand(0x0C); // set booster strength
|
|
EPD_SendData(0xAE);
|
|
EPD_SendData(0xC7);
|
|
EPD_SendData(0xC3);
|
|
EPD_SendData(0xC0);
|
|
EPD_SendData(0xC0);
|
|
|
|
EPD_SendCommand(0x18); // set internal sensor on
|
|
EPD_SendData(0x80);
|
|
|
|
EPD_SendCommand(0x2C); // set vcom value
|
|
EPD_SendData(0x44);
|
|
|
|
EPD_SendCommand(0x37); // set display option, these setting turn on previous function
|
|
EPD_SendData(0x00); //can switch 1 gray or 4 gray
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0x4F);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
EPD_SendData(0xFF);
|
|
|
|
EPD_SendCommand(0x44); // setting X direction start/end position of RAM
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0x17);
|
|
EPD_SendData(0x01);
|
|
|
|
EPD_SendCommand(0x45); // setting Y direction start/end position of RAM
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0xDF);
|
|
EPD_SendData(0x01);
|
|
|
|
EPD_SendCommand(0x22); // Display Update Control 2
|
|
EPD_SendData(0xCF);
|
|
|
|
|
|
// EPD_SendCommand(0x4E);//clear
|
|
// EPD_SendData(0x00);
|
|
// EPD_SendData(0x00);
|
|
// EPD_SendCommand(0x4F);
|
|
// EPD_SendData(0x00);
|
|
// EPD_SendData(0x00);
|
|
// EPD_SendCommand(0x24);
|
|
// for (int i = 0; i < 16800; i++) {
|
|
// EPD_SendData(0xff);
|
|
// }
|
|
// EPD_3IN7_Load_LUT();
|
|
// EPD_SendCommand(0x20);
|
|
// EPD_3IN7_ReadBusy_HIGH();
|
|
|
|
|
|
EPD_SendCommand(0x4E);//Set Resolution setting
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0x00);
|
|
EPD_SendCommand(0x4F);
|
|
EPD_SendData(0x00);
|
|
EPD_SendData(0x00);
|
|
|
|
EPD_SendCommand(0x24);//begin write data to e-Paper
|
|
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and displays
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_3IN7_1Gray_Show(void)
|
|
{
|
|
EPD_3IN7_Load_LUT();
|
|
EPD_SendCommand(0x20);
|
|
EPD_3IN7_ReadBusy_HIGH();
|
|
Serial.print("EPD_3IN7_Show END\r\n");
|
|
|
|
EPD_SendCommand(0X10); //deep sleep
|
|
EPD_SendData(0x03);
|
|
}
|