Support fast-forward/rewind

This commit is contained in:
Allen Hill
2026-06-16 20:44:25 -07:00
parent 60d39c1c2f
commit 0830cf06dc
+42 -9
View File
@@ -987,23 +987,28 @@ response_t AVCLAN_handleframe(const AVCLAN_frame_t *in, AVCLAN_frame_t *out) {
out->peripheral_addr = HU_ADDR;
respond = r_StatusReport;
break;
case PACK3(dev_CMD_SW, dev_CD_CHANGER, Eject):
case PACK3(dev_CMD_SW, dev_CD_CHANGER, Eject): {
// "Eject" label is multiply wrong; proper meaning unclear:
// - First observed on initial multiple presses of "CD" button,
// triggering (after {0x00, dev_CD_CHANGER, dev_COMM_v1, Insertion,
// 0x01} response) proper activation of mockingboard/cd-changer.
// - Subsequently observed when pressing (technically
// releasing?) the fast-forward button and rewind
out->is_unicast = true;
out->peripheral_addr = HU_ADDR;
{
const uint8_t msg[] = {0x00, dev_CD_CHANGER, dev_COMM_v1, Insertion,
0x01};
out->length = sizeof(msg);
memcpy(out->data, msg, sizeof(msg));
if (cd_status.state | cd_SEEKING) { // FF/RW button released
cd_status.state &= ~cd_SEEKING;
} else {
out->is_unicast = true;
out->peripheral_addr = HU_ADDR;
{
const uint8_t msg[] = {0x00, dev_CD_CHANGER, dev_CMD_SW, Insertion,
0x01};
out->length = sizeof(msg);
memcpy(out->data, msg, sizeof(msg));
}
respond = r_Handled;
}
respond = r_Handled;
break;
}
case PACK3(dev_CMD_SW, dev_CD_CHANGER, Initial_Report_Request):
[[fallthrough]];
case PACK3(dev_STATUS, dev_CD_CHANGER, Initial_Report_Request):
@@ -1065,6 +1070,34 @@ response_t AVCLAN_handleframe(const AVCLAN_frame_t *in, AVCLAN_frame_t *out) {
AVCLAN_generateStatus(out, true, dev_CMD_SW);
respond = r_TrackChange;
break;
case PACK3(dev_CMD_SW, dev_CD_CHANGER, Track_Fast_Forward): {
cd_status.state |= cd_SEEKING;
*cd_Time_Sec += 15;
if (*cd_Time_Sec > 60) {
*cd_Time_Sec -= 60;
++*cd_Time_Min;
}
AVCLAN_generateStatus(out, true, dev_CMD_SW);
respond = r_Handled;
break;
}
case PACK3(dev_CMD_SW, dev_CD_CHANGER, Track_Rewind): {
cd_status.state |= cd_SEEKING;
if (*cd_Time_Sec < 15) {
if (*cd_Time_Min > 0) {
uint8_t d = 15 - *cd_Time_Sec;
*cd_Time_Sec = 60 - d;
--*cd_Time_Min;
} else {
*cd_Time_Min = 0;
*cd_Time_Sec = 0;
}
} else
*cd_Time_Sec -= 15;
AVCLAN_generateStatus(out, true, dev_CMD_SW);
respond = r_Handled;
break;
}
case PACK3(dev_CMD_SW, dev_CD_CHANGER, CD_Enable_Random):
cd_status.flags |= cd_RANDOM;
AVCLAN_generateStatus(out, true, dev_CMD_SW);