Add proper GPIO support for msp430 (1978e406) · Commits · derf / multipass

include/msp430fr5969lp/driver/gpio.h

+82 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,16 @@ class GPIO {

		public:
		GPIO () {}

		enum Pin : unsigned char {
		p1_0 = 0, p1_1, p1_2, p1_3, p1_4, p1_5, p1_6, p1_7,
		p2_0, p2_1, p2_2, p2_3, p2_4, p2_5, p2_6, p2_7,
		p3_0, p3_1, p3_2, p3_3, p3_4, p3_5, p3_6, p3_7,
		p4_0, p4_1, p4_2, p4_3, p4_4, p4_5, p4_6, p4_7,
		pj_0, pj_1, pj_2, pj_3, pj_4, pj_5, pj_6, pj_7,
		PIN_INVALID
		};

		inline void setup() {
		P1OUT = 0;
		P2OUT = 0;
		@@ -40,6 +50,78 @@ class GPIO {
		P4OUT ^= BIT6;
		}
		}
		inline void input(unsigned char const pin) {
		if (pin < p2_0) {
		P1DIR &= ~(1 << pin);
		} else if (pin < p3_0) {
		P2DIR &= ~(1 << (pin - p2_0));
		} else if (pin < p4_0) {
		P3DIR &= ~(1 << (pin - p3_0));
		} else if (pin < pj_0) {
		P4DIR &= ~(1 << (pin - p4_0));
		} else if (pin < PIN_INVALID) {
		PJDIR &= ~(1 << (pin - pj_0));
		}
		}
		inline void output(unsigned char const pin) {
		if (pin < p2_0) {
		P1DIR \|= (1 << pin);
		} else if (pin < p3_0) {
		P2DIR \|= (1 << (pin - p2_0));
		} else if (pin < p4_0) {
		P3DIR \|= (1 << (pin - p3_0));
		} else if (pin < pj_0) {
		P4DIR \|= (1 << (pin - p4_0));
		} else if (pin < PIN_INVALID) {
		PJDIR \|= (1 << (pin - pj_0));
		}
		}
		inline unsigned char read(unsigned char const pin) {
		if (pin < p2_0) {
		return P1IN & (1 << pin);
		} else if (pin < p3_0) {
		return P2IN & (1 << (pin - p2_0));
		} else if (pin < p4_0) {
		return P3IN & (1 << (pin - p3_0));
		} else if (pin < pj_0) {
		return P4IN & (1 << (pin - p4_0));
		} else if (pin < PIN_INVALID) {
		return PJIN & (1 << (pin - pj_0));
		}
		}
		inline void write(unsigned char const pin, unsigned char value) {
		if (pin < p2_0) {
		if (value) {
		P1OUT \|= (1 << pin);
		} else {
		P1OUT &= ~(1 << pin);
		}
		} else if (pin < p3_0) {
		if (value) {
		P2OUT \|= (1 << (pin - p2_0));
		} else {
		P2OUT &= ~(1 << (pin - p2_0));
		}
		} else if (pin < p4_0) {
		if (value) {
		P3OUT \|= (1 << (pin - p3_0));
		} else {
		P3OUT &= ~(1 << (pin - p3_0));
		}
		} else if (pin < pj_0) {
		if (value) {
		P4OUT \|= (1 << (pin - p4_0));
		} else {
		P4OUT &= ~(1 << (pin - p4_0));
		}
		} else if (pin < PIN_INVALID) {
		if (value) {
		PJOUT \|= (1 << (pin - pj_0));
		} else {
		PJOUT &= ~(1 << (pin - pj_0));
		}
		}
		}
		};

		extern GPIO gpio;

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