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optimize SPI data transfer

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This commit is contained in:
Shuanglei Tao
2025-01-17 10:28:18 +08:00
parent 547a22b52d
commit 3957853296
10 changed files with 37 additions and 8 deletions
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8
EPD/EPD_4in2.c
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@@ -73,6 +73,14 @@ void EPD_4IN2_SendData(UBYTE Data)
DEV_Digital_Write(EPD_CS_PIN, 1);
}
void EPD_4IN2_SendData2(UBYTE *Data, UBYTE Len)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteBytes(Data, Len);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter: