From 9939565d50acfcd68429e86b6276a590197db951 Mon Sep 17 00:00:00 2001 From: iabdalkader Date: Tue, 26 Aug 2025 09:56:16 +0200 Subject: [PATCH] stm32/boards/ARDUINO_OPTA: Reset ETH PHY on board init. As required by the datasheet. Signed-off-by: iabdalkader --- ports/stm32/boards/ARDUINO_OPTA/board_init.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/ports/stm32/boards/ARDUINO_OPTA/board_init.c b/ports/stm32/boards/ARDUINO_OPTA/board_init.c index c0907f5d31..51b5b94423 100644 --- a/ports/stm32/boards/ARDUINO_OPTA/board_init.c +++ b/ports/stm32/boards/ARDUINO_OPTA/board_init.c @@ -61,6 +61,13 @@ void OPTA_board_early_init(void) { HAL_MPU_ConfigRegion(&MPU_InitStruct); } #endif + + // Reset ETH Phy + mp_hal_pin_config(pyb_pin_ETH_RST, MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_UP, 0); + mp_hal_pin_config_speed(pyb_pin_ETH_RST, MP_HAL_PIN_SPEED_LOW); + mp_hal_pin_write(pyb_pin_ETH_RST, 0); + HAL_Delay(100); + mp_hal_pin_write(pyb_pin_ETH_RST, 1); } void OPTA_board_enter_bootloader(void) {