Altera DisplayPort MegaCore Function - Manual (Page 107)

Description: This function transmits an AUX channel reply to the connected DisplayPort source.
cmd
is the reply command byte (refer to the DisplayPort specification for more
details). When the reply includes read data,
*data
fills with the data bytes sent to the
source. To support replies with no data returned,
size
is the actual
len
byte sent to
the source incremented by one.
Example:
btc_dprx_aux_post_reply (0, 0×10, 0, NULL); //Reply AUX_NACK
Related Information
btc_dprx_aux_get_request on page 8-3
btc_dprx_baseaddr
Prototype:
unsigned int btc_dprx_baseaddr(BYTE rx_idx)
Thread-safe: Yes
Available from ISR: Yes
Include:
< btc_dprx_syslib.h >
Return: 0 = success, 1 = fail
Parameters
rx_idx
—Sink instance index (0 - 3)
Description: This function returns the RX instance’s base address connected to the given port
number.
Example:
addr = btc_dprx_baseaddr(0);
btc_dprx_dpcd_gpu_access
Prototype:
int btc_dprx_dpcd_gpu_access(
BYTE rx_idx
BYTE wrcmd,
unsigned int address,
BYTE length,
BYTE *data)
Thread-safe: Yes
Available from ISR: Yes
Include:
< btc_dprx_syslib.h >
8-6 btc_dprx_baseaddr
UG-01131
2015.05.04
Altera Corporation DisplayPort API Reference
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