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update EPD driver

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This commit is contained in:
Shuanglei Tao
2025-03-06 19:54:59 +08:00
parent 818e16e793
commit 40aa884791
6 changed files with 151 additions and 27 deletions
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31
EPD/UC8176.c
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@@ -37,13 +37,29 @@
static void EPD_4IN2_PowerOn(void)
{
EPD_WriteCommand(0x04);
delay(50);
EPD_WaitBusy(LOW, 100);
}
static void EPD_4IN2_PowerOff(void)
{
EPD_WriteCommand(0x02);
EPD_WaitBusy(LOW, 50);
EPD_WaitBusy(LOW, 100);
}
// Read temperature from driver chip
int8_t EPD_4IN2_Read_Temp(void)
{
EPD_WriteCommand_SW(0x40); // TSC
return (int8_t) EPD_ReadByte_SW();
}
// Force temperature (will trigger OTP LUT switch)
void EPD_4IN2_Force_Temp(int8_t value)
{
EPD_WriteCommand_SW(0xE0); // CCSET
EPD_WriteByte_SW(0x02);
EPD_WriteCommand_SW(0xE5); // TSSET
EPD_WriteByte_SW(value);
}
/******************************************************************************
@@ -52,11 +68,14 @@ parameter:
******************************************************************************/
void EPD_4IN2_Refresh(void)
{
NRF_LOG_DEBUG("[EPD]: refresh begin\n");
EPD_4IN2_PowerOn();
NRF_LOG_DEBUG("[EPD]: temperature: %d\n", EPD_4IN2_Read_Temp());
EPD_WriteCommand(0x12);
delay(100);
EPD_WaitBusy(LOW, 20000);
EPD_4IN2_PowerOff();
NRF_LOG_DEBUG("[EPD]: refresh end\n");
}
/******************************************************************************
@@ -76,10 +95,10 @@ void EPD_4IN2_Init(void)
void EPD_4IN2B_V2_Init(void)
{
EPD_Reset(HIGH, 10);
EPD_Reset(HIGH, 200);
EPD_WriteCommand(0x00);
EPD_WriteByte(0x0f);
EPD_WriteByte(0x0f); // 400x300 B/W/R mode, LUT from OTP
}
/******************************************************************************
@@ -191,6 +210,8 @@ const epd_driver_t epd_driver_4in2 = {
.write_image = EPD_4IN2_Write_Image,
.refresh = EPD_4IN2_Refresh,
.sleep = EPD_4IN2_Sleep,
.read_temp = EPD_4IN2_Read_Temp,
.force_temp = EPD_4IN2_Force_Temp,
};
const epd_driver_t epd_driver_4in2bv2 = {
@@ -205,4 +226,6 @@ const epd_driver_t epd_driver_4in2bv2 = {
.write_image = EPD_4IN2B_V2_Write_Image,
.refresh = EPD_4IN2_Refresh,
.sleep = EPD_4IN2_Sleep,
.read_temp = EPD_4IN2_Read_Temp,
.force_temp = EPD_4IN2_Force_Temp,
};