rm46l8lp gpio: implement output, read, write. TODO: input (4684f2ad) · Commits · derf / multipass

include/arch/rm46l8lp/driver/gpio.h

+40 −11

Original line number	Diff line number	Diff line
		@@ -16,26 +16,30 @@ class GPIO {
		GPIO () {}

		enum Pin : unsigned char {
		a_0 = 0, a_1, a_2, a_3, a_4, a_5, a_6, a_7,
		b_0, b_1, b_2, b_3, b_4, b_5, b_6, b_7,
		a0 = 0, a1, a2, a3, a4, a5, a6, a7,
		b0, b1, b2, b3, b4, b5, b6, b7,
		PIN_INVALID
		};

		inline void setup() {
		/*
		* Default configuration:
		* A0 A1 A2 b1 B2 as output, others as input.
		*/
		gioInit();
		}
		inline void led_on(unsigned char id = 0) {
		if (id == 0) {
		gioSetBit(gioPORTB,1, 1);
		gioPORTB->DSET = 1U << 1;
		} else {
		gioSetBit(gioPORTB,2, 1);
		gioPORTB->DSET = 1U << 2;
		}
		}
		inline void led_off(unsigned char id = 0) {
		if (id == 0) {
		gioSetBit(gioPORTB,1, 0);
		gioPORTB->DCLR = 1U << 1;
		} else {
		gioSetBit(gioPORTB,2, 0);
		gioPORTB->DCLR = 1U << 2;
		}
		}
		inline void led_toggle(unsigned char id = 0) {
		@@ -46,23 +50,48 @@ class GPIO {
		}
		}
		inline void input(unsigned char const pin) {
		// TODO
		if (pin < b0) {
		gioPORTA->DIR &= ~(1U << pin);
		} else if (pin < PIN_INVALID) {
		gioPORTB->DIR &= ~(1U << (pin - b0));
		}
		}
		inline void input(unsigned char const pin, unsigned char const pull) {
		// TODO
		}
		inline void output(unsigned char const pin) {
		// TODO
		if (pin < b0) {
		gioPORTA->DIR \|= 1U << pin;
		} else if (pin < PIN_INVALID) {
		gioPORTB->DIR \|= 1U << (pin - b0);
		}
		}
		inline void output(unsigned char const pin, unsigned char const value) {
		// TODO
		write(pin, value);
		output(pin);
		}
		inline unsigned char read(unsigned char const pin) {
		// TODO
		if (pin < b0) {
		return gioPORTA->DIN & (1U << pin);
		} else if (pin < PIN_INVALID) {
		return gioPORTB->DIN & (1U << (pin - b0));
		}
		return 0;
		}
		inline void write(unsigned char const pin, unsigned char value) {
		// TODO
		if (pin < b0) {
		if (value) {
		gioPORTA->DSET = 1U << pin;
		} else {
		gioPORTA->DCLR = 1U << pin;
		}
		} else if (pin < PIN_INVALID) {
		if (value) {
		gioPORTB->DSET = 1U << (pin - b0);
		} else {
		gioPORTB->DCLR = 1U << (pin - b0);
		}
		}
		}
		inline void write_mask(unsigned char const pin_base, unsigned char set_mask, unsigned char clear_mask) {
		// TODO

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