仅对英特尔可见 — GUID: bny1575601405094
Ixiasoft
2.2. 创建RX-Only或TX-Only设计
要使用RX-Only或TX-Only组件,需要从设计中删除不相关的模块。
用户要求 | 保留 | 移除 | 添加 |
---|---|---|---|
HDMI RX only | RX Top |
|
– |
HDMI TX only |
|
|
Video Pattern Generator (自定义模块或者从Video and Image Processing (VIP) Suite生成) |
除了RTL变更之外,您也需要编辑main.c脚本。
- For HDMI TX-only designs, decouple the wait for the HDMI RX lock status by removing the following lines and replace with tx_xcvr_reconfig(tx_frl_rate);
rx_hdmi_lock = READ_PIO(PIO_IN0_BASE, PIO_RX_LOCKED_OFFSET, PIO_RX_LOCKED_WIDTH);
while (rx_hdmi_lock == 0) {
if (check_hpd_isr()) { break; }
// rx_vid_lock = READ_PIO(PIO_IN0_BASE, PIO_VID_LOCKED_OFFSET, PIO_VID_LOCKED_WIDTH);
rx_hdmi_lock = READ_PIO(PIO_IN0_BASE, PIO_RX_LOCKED_OFFSET, PIO_RX_LOCKED_WIDTH);
// Reconfig Tx after rx is locked
if (rx_hdmi_lock == 1) {
if (READ_PIO(PIO_IN0_BASE, PIO_LOOPBACK_MODE_OFFSET, PIO_LOOPBACK_MODE_WIDTH) == 1) {
rx_frl_rate = READ_PIO(PIO_IN0_BASE, PIO_RX_FRL_RATE_OFFSET, PIO_RX_FRL_RATE_WIDTH);
tx_xcvr_reconfig(rx_frl_rate);
} else {
tx_xcvr_reconfig(tx_frl_rate);
} } }
- 对于HDMI RX-only设计,在main.c脚本中只保留以下命令行:
REDRIVER_INIT();
hdmi_rx_init();