Erik - / FastIO

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Devices/FastIO_LPC43XX.h@22:45b32f07e790, 2016-09-20 (annotated)

Committer:
Sissors
Date:
Tue Sep 20 20:41:42 2016 +0000
Revision:
22:45b32f07e790
Parent:
19:89d6ae484a35 
Fixed bug in enabling of port hardware of the F030 (via: https://developer.mbed.org/users/viquiram/)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nameless129 19:89d6ae484a35 1 #ifdef TARGET_LPC43XX
nameless129 19:89d6ae484a35 2
nameless129 19:89d6ae484a35 3 #include "mbed.h"
nameless129 19:89d6ae484a35 4 #include "pinmap.h"
nameless129 19:89d6ae484a35 5
nameless129 19:89d6ae484a35 6 typedef struct {
nameless129 19:89d6ae484a35 7 uint32_t mask;
nameless129 19:89d6ae484a35 8 } fastio_vars;
nameless129 19:89d6ae484a35 9
nameless129 19:89d6ae484a35 10 #define PORT (((unsigned int)pin >> PORT_SHIFT) & 0x0000000F)
nameless129 19:89d6ae484a35 11 #define PINMASK (1 << ((int)pin & 0x1F))
nameless129 19:89d6ae484a35 12 static inline void initpin(PinName pin);
nameless129 19:89d6ae484a35 13
nameless129 19:89d6ae484a35 14 #define INIT_PIN container.mask = PINMASK; initpin(pin)
nameless129 19:89d6ae484a35 15 #define DESTROY_PIN
nameless129 19:89d6ae484a35 16
nameless129 19:89d6ae484a35 17 #define SET_DIR_INPUT ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->DIR[PORT] &= ~PINMASK )
nameless129 19:89d6ae484a35 18 #define SET_DIR_OUTPUT ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->DIR[PORT] |= PINMASK )
nameless129 19:89d6ae484a35 19 #define SET_MODE(pull) (pin_mode(pin, pull))
nameless129 19:89d6ae484a35 20
nameless129 19:89d6ae484a35 21 #define WRITE_PIN_SET ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->SET[PORT] = PINMASK )
nameless129 19:89d6ae484a35 22 #define WRITE_PIN_CLR ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->CLR[PORT] = PINMASK )
nameless129 19:89d6ae484a35 23
nameless129 19:89d6ae484a35 24 #define READ_PIN ( (((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->PIN[PORT] & container.mask) ? 1 : 0 )
nameless129 19:89d6ae484a35 25
nameless129 19:89d6ae484a35 26 static inline void initpin(PinName pin) {
nameless129 19:89d6ae484a35 27 unsigned int port = (unsigned int)MBED_GPIO_PORT(pin);
nameless129 19:89d6ae484a35 28 int f = SCU_PINIO_FAST | ((port > 4) ? (4) : (0));
nameless129 19:89d6ae484a35 29 pin_function(pin, f);
nameless129 19:89d6ae484a35 30 }
nameless129 19:89d6ae484a35 31
nameless129 19:89d6ae484a35 32 #endif