Diff: Devices/FastIO_STM32F4.h

Revision:

13:0e21ffc6cb84

Child:

14:f0a48027b2b3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Devices/FastIO_STM32F4.h	Sun May 17 10:48:26 2015 +0000
@@ -0,0 +1,25 @@
+#if defined(TARGET_STM32F4)
+
+#include "mbed.h"
+#include "pinmap.h"
+
+typedef struct {
+    uint32_t mask;
+} fastio_vars;
+
+#define PINMASK             (1 << STM_PIN(pin))
+#define PORT                ((GPIO_TypeDef *)(GPIOA_BASE + 0x0400 * STM_PORT(pin)))
+
+#define INIT_PIN            RCC->AHB1ENR |= (1 << STM_PORT(pin)); (PORT->MODER &= ~(GPIO_MODER_MODER0_1 << (STM_PIN(pin) * 2))); container.mask = PINMASK
+#define DESTROY_PIN     
+
+#define SET_DIR_INPUT       (PORT->MODER &= ~(GPIO_MODER_MODER0_0 << (STM_PIN(pin) * 2)))
+#define SET_DIR_OUTPUT      (PORT->MODER |= (GPIO_MODER_MODER0_0 << (STM_PIN(pin) * 2)))
+#define SET_MODE(pull)      pin_mode(pin, pull);
+
+#define WRITE_PIN_SET       (PORT->BSRRL = PINMASK)
+#define WRITE_PIN_CLR       (PORT->BSRRH = PINMASK)
+
+#define READ_PIN            ((PORT->IDR & container.mask) ? 1 : 0)
+
+#endif