Visible to Intel only — GUID: hco1410462572095
Ixiasoft
Visible to Intel only — GUID: hco1410462572095
Ixiasoft
9.4. btc_dprx_aux_handler
Prototype: |
int btc_dprx_aux_handler( BYTE rx_idx BYTE cmd, unsigned int address, BYTE length, BYTE *data) |
Thread-safe: |
Yes |
Available from ISR: |
Yes |
Include: |
< btc_dprx_syslib.h > |
Return: |
0 = success, 1 = fail |
Parameters: |
|
Description: |
This function processes an AUX channel request issued by the connected DisplayPort source. cmd and address are the command byte and the address in the original request received, respectively (refer to the VESA DisplayPort Standard for more details). When the request is a write, data must point to the data bytes sent by the source. To support address-only requests, length is the original len byte sent by the source incremented by one. When the request is a read, data is not used and can be NULL. This function provides all the functionality of the DPCD registers implemented inside the system library, including:
|
Example: |
btc_dprx_aux_handler(0, pcmd, padd, plen, pwrdata); |