STM32 Nucleo-32

Support for STM32 Nucleo-32 boards.

LED0_PIN
1
GPIO_PIN(PORT_B, 3)
LED0_MASK
1
(1 << 3)
LED0_ON
1
(GPIOB->BSRR = LED0_MASK)
LED0_OFF
1
(GPIOB->BSRR = (LED0_MASK << 16))
LED0_TOGGLE
1
(GPIOB->ODR  ^= LED0_MASK)