Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

nrf52: reset UARTE peripheral in serial_free #11790

Merged
merged 1 commit into from Nov 14, 2019
Merged

nrf52: reset UARTE peripheral in serial_free #11790

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
15 changes: 15 additions & 0 deletions targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/serial_api.c
View file
Open in desktop
Expand Up @@ -1009,6 +1009,21 @@ void serial_free(serial_t *obj)
if (nordic_nrf5_uart_state[instance].usage_counter == 0) {

nrf_uarte_disable(nordic_nrf5_uart_register[instance]);

/* Turn NRF_UARTE0_BASE or NRF_UARTE1_BASE power off and on to reset peripheral. */
if (instance == 0) {
*(volatile uint32_t *)0x40002FFC = 0;
*(volatile uint32_t *)0x40002FFC;
*(volatile uint32_t *)0x40002FFC = 1;
}
#if UART1_ENABLED
else {
*(volatile uint32_t *)0x40028FFC = 0;
*(volatile uint32_t *)0x40028FFC;
*(volatile uint32_t *)0x40028FFC = 1;
}
#endif

}
}
}
Expand Down