en 129 / FastIO

add LPC4337

Fork of FastIO by Erik -

Devices/FastIO_STM32F4.h@13:0e21ffc6cb84, 2015-05-17 (annotated)

Committer:
Sissors
Date:
Sun May 17 10:48:26 2015 +0000
Revision:
13:0e21ffc6cb84
Child:
14:f0a48027b2b3
Generalized it to all STMF4 platforms. (Holy crap the F407 is fast)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 13:0e21ffc6cb84 1 #if defined(TARGET_STM32F4)
Sissors 13:0e21ffc6cb84 2
Sissors 13:0e21ffc6cb84 3 #include "mbed.h"
Sissors 13:0e21ffc6cb84 4 #include "pinmap.h"
Sissors 13:0e21ffc6cb84 5
Sissors 13:0e21ffc6cb84 6 typedef struct {
Sissors 13:0e21ffc6cb84 7 uint32_t mask;
Sissors 13:0e21ffc6cb84 8 } fastio_vars;
Sissors 13:0e21ffc6cb84 9
Sissors 13:0e21ffc6cb84 10 #define PINMASK (1 << STM_PIN(pin))
Sissors 13:0e21ffc6cb84 11 #define PORT ((GPIO_TypeDef *)(GPIOA_BASE + 0x0400 * STM_PORT(pin)))
Sissors 13:0e21ffc6cb84 12
Sissors 13:0e21ffc6cb84 13 #define INIT_PIN RCC->AHB1ENR |= (1 << STM_PORT(pin)); (PORT->MODER &= ~(GPIO_MODER_MODER0_1 << (STM_PIN(pin) * 2))); container.mask = PINMASK
Sissors 13:0e21ffc6cb84 14 #define DESTROY_PIN
Sissors 13:0e21ffc6cb84 15
Sissors 13:0e21ffc6cb84 16 #define SET_DIR_INPUT (PORT->MODER &= ~(GPIO_MODER_MODER0_0 << (STM_PIN(pin) * 2)))
Sissors 13:0e21ffc6cb84 17 #define SET_DIR_OUTPUT (PORT->MODER |= (GPIO_MODER_MODER0_0 << (STM_PIN(pin) * 2)))
Sissors 13:0e21ffc6cb84 18 #define SET_MODE(pull) pin_mode(pin, pull);
Sissors 13:0e21ffc6cb84 19
Sissors 13:0e21ffc6cb84 20 #define WRITE_PIN_SET (PORT->BSRRL = PINMASK)
Sissors 13:0e21ffc6cb84 21 #define WRITE_PIN_CLR (PORT->BSRRH = PINMASK)
Sissors 13:0e21ffc6cb84 22
Sissors 13:0e21ffc6cb84 23 #define READ_PIN ((PORT->IDR & container.mask) ? 1 : 0)
Sissors 13:0e21ffc6cb84 24
Sissors 13:0e21ffc6cb84 25 #endif