diff options
Diffstat (limited to 'include/arch/msp430fr5969lp/driver/gpio.h')
| -rw-r--r-- | include/arch/msp430fr5969lp/driver/gpio.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/arch/msp430fr5969lp/driver/gpio.h b/include/arch/msp430fr5969lp/driver/gpio.h new file mode 100644 index 0000000..caed74a --- /dev/null +++ b/include/arch/msp430fr5969lp/driver/gpio.h @@ -0,0 +1,130 @@ +#ifndef GPIO_H +#define GPIO_H + +#include <msp430.h> + +class GPIO { + private: + GPIO(const 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; + P3OUT = 0; + P4OUT = 0; + P1DIR = BIT0; + P2DIR = 0; + P3DIR = 0; + P4DIR = BIT6; + } + inline void led_on(unsigned char id) { + if (id == 0) { + P1OUT |= BIT0; + } else { + P4OUT |= BIT6; + } + } + inline void led_off(unsigned char id) { + if (id == 0) { + P1OUT &= ~BIT0; + } else { + P4OUT &= ~BIT6; + } + } + inline void led_toggle(unsigned char id) { + if (id == 0) { + P1OUT ^= BIT0; + } else { + 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)); + } + return 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; + +#endif |