Codec Services

HID Codec "cdc:HID"

Command Header	Description
0x00010000	GetTouchData
0x00020000	Initialize
0x00030000	Finalize

Touchscreen

The touchscreen is the SPI device number 3, so it uses the 0x10142XXX SPI registers. It is initialized by issuing the following SPI commands:

spi_select_reg(3, 0x67);
spi_offset_mask(3, 0x26, 0x80, 0x80);
spi_select_reg(3, 0x67);
spi_offset_mask(3, 0x24, 0, 0x80);
spi_select_reg(3, 0x67);
spi_offset_mask(3, 0x25, 0x10, 0x3C);

MIC Codec "cdc:MIC"

Command Header	Description

CSN Codec "cdc:CSN"

Command Header	Description

DSP Codec "cdc:DSP"

Command Header	Description

Legacy Codec "cdc:LGY"

Command Header	Description

CHK Codec "cdc:CHK"

Command Header	Description