nemunaire/waveshareteam-e-Paper
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Speed up the refresh of some screens (experimental)（1.54 v2、2.13 v3、2.9 v2、7.5 v2）

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SSYYL 2021-07-15 15:11:46 +08:00
commit 452880de52
16 changed files with 432 additions and 74 deletions
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58
RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_2in9_V2.c
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@ -54,6 +54,29 @@ UBYTE _WF_PARTIAL_2IN9[159] =
0x22,0x17,0x41,0xB0,0x32,0x36,
};
UBYTE WS_20_30[159] =
{
0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x14, 0x8, 0x0, 0x0, 0x0, 0x0, 0x1,
0xA, 0xA, 0x0, 0xA, 0xA, 0x0, 0x1,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x14, 0x8, 0x0, 0x1, 0x0, 0x0, 0x1,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x0, 0x0, 0x0,
0x22, 0x17, 0x41, 0x0, 0x32, 0x36
};
/******************************************************************************
function : Software reset
parameter:
@ -61,11 +84,11 @@ parameter:
static void EPD_2IN9_V2_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(100);
DEV_Delay_ms(10);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(100);
DEV_Delay_ms(10);
}
/******************************************************************************
@ -111,15 +134,31 @@ void EPD_2IN9_V2_ReadBusy(void)
Debug("e-Paper busy release\r\n");
}
static void EPD_2IN9_V2_LUT(void)
static void EPD_2IN9_V2_LUT(UBYTE *lut)
{
UBYTE count;
EPD_2IN9_V2_SendCommand(0x32);
for(count=0; count<153; count++)
EPD_2IN9_V2_SendData(_WF_PARTIAL_2IN9[count]);
EPD_2IN9_V2_SendData(lut[count]);
EPD_2IN9_V2_ReadBusy();
}
static void EPD_2IN9_V2_LUT_by_host(UBYTE *lut)
{
EPD_2IN9_V2_LUT((UBYTE *)lut); //lut
EPD_2IN9_V2_SendCommand(0x3f);
EPD_2IN9_V2_SendData(*(lut+153));
EPD_2IN9_V2_SendCommand(0x03); // gate voltage
EPD_2IN9_V2_SendData(*(lut+154));
EPD_2IN9_V2_SendCommand(0x04); // source voltage
EPD_2IN9_V2_SendData(*(lut+155)); // VSH
EPD_2IN9_V2_SendData(*(lut+156)); // VSH2
EPD_2IN9_V2_SendData(*(lut+157)); // VSL
EPD_2IN9_V2_SendCommand(0x2c); // VCOM
EPD_2IN9_V2_SendData(*(lut+158));
}
/******************************************************************************
function : Turn On Display
parameter:
@ -127,7 +166,7 @@ parameter:
static void EPD_2IN9_V2_TurnOnDisplay(void)
{
EPD_2IN9_V2_SendCommand(0x22); //Display Update Control
EPD_2IN9_V2_SendData(0xF7);
EPD_2IN9_V2_SendData(0xc7);
EPD_2IN9_V2_SendCommand(0x20); //Activate Display Update Sequence
EPD_2IN9_V2_ReadBusy();
}
@ -200,6 +239,8 @@ void EPD_2IN9_V2_Init(void)
EPD_2IN9_V2_SetCursor(0, 0);
EPD_2IN9_V2_ReadBusy();
EPD_2IN9_V2_LUT_by_host(WS_20_30);
}
/******************************************************************************
@ -209,6 +250,7 @@ parameter:
void EPD_2IN9_V2_Clear(void)
{
UWORD i;
EPD_2IN9_V2_SendCommand(0x24); //write RAM for black(0)/white (1)
for(i=0;i<4736;i++)
{
@ -255,11 +297,11 @@ void EPD_2IN9_V2_Display_Partial(UBYTE *Image)
//Reset
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(5);
DEV_Delay_ms(1);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(10);
DEV_Delay_ms(2);
EPD_2IN9_V2_LUT();
EPD_2IN9_V2_LUT(_WF_PARTIAL_2IN9);
EPD_2IN9_V2_SendCommand(0x37);
EPD_2IN9_V2_SendData(0x00);
EPD_2IN9_V2_SendData(0x00);