stm32f446re: implement gpio.read (112bb491) · Commits · derf / multipass

include/arch/stm32f446re-nucleo/driver/gpio.h

+9 −2

Original line number	Diff line number	Diff line
		@@ -62,9 +62,16 @@ class GPIO {
		}
		/*
		inline void output(unsigned char const pin, unsigned char const value) {
		}
		inline unsigned char read(unsigned char const pin) {
		}*/
		inline unsigned int read(unsigned char const pin) {
		if (pin < pb_0) {
		return gpio_get(GPIOA, 1 << pin);
		} else if (pin < pc_0) {
		return gpio_get(GPIOB, 1 << (pin-pb_0));
		} else if (pin < PIN_INVALID) {
		return gpio_get(GPIOC, 1 << (pin-pc_0));
		}
		}
		inline void write(unsigned char const pin, unsigned char value) {
		if (pin < pb_0) {
		if (value) {