Erik - / FastIO

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Devices/FastIO_LPC11XX.h@22:45b32f07e790, 2016-09-20 (annotated)

Committer:
Sissors
Date:
Tue Sep 20 20:41:42 2016 +0000
Revision:
22:45b32f07e790
Parent:
7:1e784ae11fba 
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
Sissors 7:1e784ae11fba 1 #ifdef TARGET_LPC11XX_11CXX
Sissors 7:1e784ae11fba 2
Sissors 7:1e784ae11fba 3 #include "mbed.h"
Sissors 7:1e784ae11fba 4 #include "pinmap.h"
Sissors 7:1e784ae11fba 5 #include "reserved_pins.h"
Sissors 7:1e784ae11fba 6
Sissors 7:1e784ae11fba 7 typedef struct {
Sissors 7:1e784ae11fba 8 } fastio_vars;
Sissors 7:1e784ae11fba 9
Sissors 7:1e784ae11fba 10 #define PORT ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (((pin & 0xF000) >> PORT_SHIFT) * 0x10000)))
Sissors 7:1e784ae11fba 11 #define PIN ((pin & 0x0F00) >> 8 )
Sissors 7:1e784ae11fba 12 #define MASKDATA (*((volatile uint32_t*) ((uint32_t)PORT + (1 << (PIN + 2)))))
Sissors 7:1e784ae11fba 13 static inline void initpin(PinName pin);
Sissors 7:1e784ae11fba 14 static const PinName reserved_pins[] = TARGET_RESERVED_PINS;
Sissors 7:1e784ae11fba 15
Sissors 7:1e784ae11fba 16 #define INIT_PIN initpin(pin)
Sissors 7:1e784ae11fba 17 #define DESTROY_PIN
Sissors 7:1e784ae11fba 18
Sissors 7:1e784ae11fba 19 #define SET_DIR_INPUT (PORT->DIR &= ~(1 << PIN))
Sissors 7:1e784ae11fba 20 #define SET_DIR_OUTPUT (PORT->DIR |= (1<<PIN))
Sissors 7:1e784ae11fba 21 #define SET_MODE(pull) (pin_mode(pin, pull))
Sissors 7:1e784ae11fba 22
Sissors 7:1e784ae11fba 23 #define WRITE_PIN_SET (MASKDATA = 0xFFFF)
Sissors 7:1e784ae11fba 24 #define WRITE_PIN_CLR (MASKDATA = 0)
Sissors 7:1e784ae11fba 25
Sissors 7:1e784ae11fba 26 #define READ_PIN ((MASKDATA == 0) ? 0 : 1)
Sissors 7:1e784ae11fba 27
Sissors 7:1e784ae11fba 28 static inline void initpin(PinName pin) {
Sissors 7:1e784ae11fba 29 unsigned i;
Sissors 7:1e784ae11fba 30 int f = 0;
Sissors 7:1e784ae11fba 31
Sissors 7:1e784ae11fba 32 for (i = 0; i < sizeof(reserved_pins) / sizeof(PinName); i ++) {
Sissors 7:1e784ae11fba 33 if (pin == reserved_pins[i]) {
Sissors 7:1e784ae11fba 34 f = 1;
Sissors 7:1e784ae11fba 35 break;
Sissors 7:1e784ae11fba 36 }
Sissors 7:1e784ae11fba 37 }
Sissors 7:1e784ae11fba 38 pin_function(pin, f);
Sissors 7:1e784ae11fba 39 }
Sissors 7:1e784ae11fba 40
Sissors 7:1e784ae11fba 41 #endif