djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Revert "Reset UART on deinit, reduces power consumption" (from #8089)

Browse Source 
This reverts commit ec1e7a03b38c625664a4615e60d26956205d7a67.
This commit is contained in:
Dan Halbert 2023-09-12 11:24:49 -04:00
parent 05267948b4
commit 46bcd103a7
1 changed files with 0 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ports/nrf/common-hal/busio/UART.c
View File

@ -266,15 +266,8 @@ bool common_hal_busio_uart_deinited(busio_uart_obj_t *self) {
} }
void common_hal_busio_uart_deinit(busio_uart_obj_t *self) { void common_hal_busio_uart_deinit(busio_uart_obj_t *self) {
volatile uint32_t *power_cycle = (void*)(self->uarte->p_reg) + 0xFFC;
if (!common_hal_busio_uart_deinited(self)) { if (!common_hal_busio_uart_deinited(self)) {
nrfx_uarte_rx_abort(self->uarte);
nrfx_uarte_tx_abort(self->uarte);
nrfx_uarte_uninit(self->uarte); nrfx_uarte_uninit(self->uarte);
// power cycle the peripheral as per https://devzone.nordicsemi.com/f/nordic-q-a/26030/how-to-reach-nrf52840-uarte-current-supply-specification/102605#102605
*power_cycle = 0;
*power_cycle;
*power_cycle = 1;
reset_pin_number(self->tx_pin_number); reset_pin_number(self->tx_pin_number);
reset_pin_number(self->rx_pin_number); reset_pin_number(self->rx_pin_number);
reset_pin_number(self->rts_pin_number); reset_pin_number(self->rts_pin_number);