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refactored volume updates and filter configs to run on core 1

This commit is contained in:
ploopyco 2023-08-16 13:31:56 -04:00
parent c03b463390
commit fd6cbf54d5
1 changed files with 14 additions and 8 deletions
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22
firmware/code/run.c
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@ -156,14 +156,6 @@ static void _as_audio_packet(struct usb_endpoint *ep) {
uint32_t ready = multicore_fifo_pop_blocking();
multicore_fifo_push_blocking(CORE0_READY);
// Update the volume if required. We do this from core1 as
// core0 is more heavily loaded, doing this from core0 can
// lead to audio crackling.
update_volume();
// Update filters if required
apply_config_changes();
// keep on truckin'
usb_grow_transfer(ep->current_transfer, 1);
usb_packet_done(ep);
@ -172,6 +164,7 @@ static void _as_audio_packet(struct usb_endpoint *ep) {
void core1_entry() {
uint8_t *userbuf = (uint8_t *) multicore_fifo_pop_blocking();
int32_t *out = (int32_t *) userbuf;
int limit_counter = 100;
// Signal that the thread has started
multicore_fifo_push_blocking(CORE1_READY);
@ -198,6 +191,19 @@ void core1_entry() {
}
}
// Update the volume and filter configs if required. We do this from
// core1 as core0 is more heavily loaded, doing this from core0 can
// lead to audio crackling.
// Use of a counter reduces the amount of crackling when changing
// volume.
if (limit_counter != 0)
limit_counter--;
else {
limit_counter = 100;
update_volume();
apply_config_changes();
}
// Signal to core 0 that the data has all been transformed
multicore_fifo_push_blocking(CORE1_READY);