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fix: read temperature after display for BW 2.9.

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susabolca
2024-07-05 10:14:13 +08:00
parent 03867c393e
commit 0d67adedc5
2 changed files with 11 additions and 10 deletions
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19
src/app/epd_2in9_bw.c
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@@ -152,7 +152,7 @@ static void EPD_2IN9_Lut(const unsigned char *lut)
static int8_t EPD_2IN9_ReadTemp()
{
int8_t rc;
#if 0
// soft reset
//EPD_SSD_SendCommand(0x12);
//EPD_SSD_WaitBusy(100);
@@ -170,9 +170,9 @@ static int8_t EPD_2IN9_ReadTemp()
EPD_SSD_SendData(0xb9);
// Master Activation
//EPD_SSD_SendCommand(0x20);
//EPD_SSD_WaitBusy(100);
EPD_SSD_SendCommand(0x20);
EPD_SSD_WaitBusy(100);
#endif
// read temperature
EPD_SSD_SendCommand(0x1b);
rc = EPD_SSD_ReadData();
@@ -199,8 +199,8 @@ static void EPD_2IN9_BW(int width, int height, int left, int top, bool is_full)
int h1 = h0 + height/8 - 1;
// soft reset
//EPD_SSD_SendCommand(0x12);
//EPD_SSD_WaitBusy();
//EPD_SSD_SendCommand(0x12);
//EPD_SSD_WaitBusy(100);
// Border Waveform
EPD_SSD_SendCommand(0x3C);
@@ -250,8 +250,8 @@ static void EPD_2IN9_BW(int width, int height, int left, int top, bool is_full)
EPD_SSD_SendData(w1 >> 8);
// Temperature sensor control
//EPD_SSD_SendCommand(0x18);
//EPD_SSD_SendData(0x80); // 80: internal sensor 48: external sensor
EPD_SSD_SendCommand(0x18);
EPD_SSD_SendData(0x80); // 80: internal sensor 48: external sensor
}
void EPD_2IN9_WriteRam(uint8_t *image, int width, int height, int left, int top, uint8_t is_red)
@@ -372,7 +372,7 @@ void EPD_SSD_Update_Clock(void)
}
// temp
epd_temperature = EPD_2IN9_ReadTemp();
//epd_temperature = EPD_2IN9_ReadTemp();
const char fmt[] = {'%', '3', 'u', 0xb0, 'c', '\0'}; // degrees celsius
System_snprintf(buf, 32, fmt, epd_temperature);
obdWriteStringCustom(&obd, (GFXfont *)&Dialog_plain_24, 236, 22, buf, 1);
@@ -403,6 +403,7 @@ void EPD_SSD_Update_Clock(void)
// show
EPD_2IN9_Display(upd_type==0?0xf7:0xcf); // c7: by REG f7: by OTP b1: no display
EPD_SSD_WaitBusy(15*1000);
epd_temperature = EPD_2IN9_ReadTemp();
EPD_2IN9_Sleep();
return;
}

2
src/app/epd_driver.c
View File

@@ -42,7 +42,7 @@ int32_t utc_offset_mins = 8 * 60; // default is UTC+8
uint16_t epd_battery = -1;
// in degree celcius, read from EPD.
int8_t epd_temperature = 0xff;
int8_t epd_temperature = 0;
// display mode (default is clock)
uint8_t epd_mode = EPD_MODE_CLOCK;