From 46bcd103a7a52cc1c80aedbc20928422115b2345 Mon Sep 17 00:00:00 2001 From: Dan Halbert Date: Tue, 12 Sep 2023 11:24:49 -0400 Subject: [PATCH] Revert "Reset UART on deinit, reduces power consumption" (from #8089) This reverts commit ec1e7a03b38c625664a4615e60d26956205d7a67. --- ports/nrf/common-hal/busio/UART.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/ports/nrf/common-hal/busio/UART.c b/ports/nrf/common-hal/busio/UART.c index 94201774de..10a34e09df 100644 --- a/ports/nrf/common-hal/busio/UART.c +++ b/ports/nrf/common-hal/busio/UART.c @@ -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) { - volatile uint32_t *power_cycle = (void*)(self->uarte->p_reg) + 0xFFC; if (!common_hal_busio_uart_deinited(self)) { - nrfx_uarte_rx_abort(self->uarte); - nrfx_uarte_tx_abort(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->rx_pin_number); reset_pin_number(self->rts_pin_number);