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Optimitzations to reduce number of interruptions.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-02-19 15:47:13 +01:00
parent 636f929f2d
commit 5dd2f7fa73
4 changed files with 61 additions and 33 deletions
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10
src/usb/ccid/ccid.c
View File

@@ -177,20 +177,20 @@ int driver_write_ccid(uint8_t itf, const uint8_t *tx_buffer, uint16_t buffer_siz
if (*tx_buffer != 0x81) {
DEBUG_PAYLOAD(tx_buffer, buffer_size);
}
int r = tud_vendor_n_write(itf, tx_buffer, buffer_size);
if (r > 0) {
uint32_t written = tud_vendor_n_write(itf, tx_buffer, buffer_size);
if (written > 0) {
tud_vendor_n_flush(itf);
ccid_tx[itf].r_ptr += (uint16_t)buffer_size;
ccid_tx[itf].r_ptr += (uint16_t)written;
if (ccid_tx[itf].r_ptr >= ccid_tx[itf].w_ptr) {
ccid_tx[itf].r_ptr = ccid_tx[itf].w_ptr = 0;
}
}
#ifdef ENABLE_EMULATION
tud_vendor_tx_cb(itf, r);
tud_vendor_tx_cb(itf, written);
#endif
return r;
return (int)written;
}
int ccid_write_fast(uint8_t itf, const uint8_t *buffer, uint16_t buffer_size) {

9
src/usb/usb.c
View File

@@ -178,8 +178,10 @@ void usb_send_event(uint32_t flag) {
if (flag == EV_CMD_AVAILABLE) {
timeout_start();
}
uint32_t m;
queue_remove_blocking(&card_to_usb_q , &m);
if (flag != EV_CMD_AVAILABLE) {
uint32_t m;
queue_remove_blocking(&card_to_usb_q , &m);
}
#ifndef ENABLE_EMULATION
mutex_exit(&mutex);
#endif
@@ -254,6 +256,9 @@ void usb_task() {
int card_status(uint8_t itf) {
if (card_locked_itf == itf) {
if (timeout == 0) {
return PICOKEY_ERR_FILE_NOT_FOUND;
}
uint32_t m = 0x0;
#ifndef ENABLE_EMULATION
mutex_enter_blocking(&mutex);