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Added support for LS032B7DD02 #24

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Added support for LS032B7DD02 #24

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20 changes: 16 additions & 4 deletions Adafruit_SharpMem.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -238,10 +238,12 @@ void Adafruit_SharpMem::refresh(void) {
uint16_t i, currentline;

spidev->beginTransaction();

// Send the write command
digitalWrite(_cs, HIGH);

spidev->transfer(_sharpmem_vcom | SHARPMEM_BIT_WRITECMD);
// Send the LSB of the line index which starts at 1
spidev->transfer(_sharpmem_vcom | SHARPMEM_BIT_WRITECMD | (1 << 6));
TOGGLE_VCOM;

uint8_t bytes_per_line = WIDTH / 8;
Expand All @@ -252,11 +254,21 @@ void Adafruit_SharpMem::refresh(void) {

// Send address byte
currentline = ((i + 1) / (WIDTH / 8)) + 1;
line[0] = currentline;

// Send end of line
if (HEIGHT < 256) {
line[0] = currentline;
line[bytes_per_line + 1] = 0x00;
} else {
// Supports https://www.digikey.com/en/products/detail/sharp-microelectronics/LS032B7DD02/23349498
// https://www.sharpsde.com/fileadmin/products/Displays/Specs/LS032B7DD02_01Nov23_Spec_LD-2023X13.pdf
line[0] = currentline >> 2;
line[bytes_per_line + 1] = ((currentline + 1) & 0x3) << 6;
}

// copy over this line
memcpy(line + 1, sharpmem_buffer + i, bytes_per_line);
// Send end of line
line[bytes_per_line + 1] = 0x00;

// send it!
spidev->transfer(line, bytes_per_line + 2);
}
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