gitbot
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[Bug] RP2040: only clear RX FIFO for serial pio driver clear (#18581)

pull/18464/head
Stefan Kerkmann 2022-10-04 20:56:40 +02:00 committed by GitHub
parent 56f7b34289
commit b6ea8837e4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
platforms/chibios/drivers/vendor/RP/RP2040/serial_vendor.c vendored
View File

@ -181,12 +181,13 @@ static inline void leave_rx_state(void) {}
#endif #endif
/** /**
* @brief Clear the RX and TX hardware FIFOs of the state machines. * @brief Clear the FIFO of the RX state machine.
*/ */
inline void serial_transport_driver_clear(void) { inline void serial_transport_driver_clear(void) {
osalSysLock(); osalSysLock();
pio_sm_clear_fifos(pio, rx_state_machine); while (!pio_sm_is_rx_fifo_empty(pio, rx_state_machine)) {
pio_sm_clear_fifos(pio, tx_state_machine); pio_sm_clear_fifos(pio, rx_state_machine);
}
osalSysUnlock(); osalSysUnlock();
} }