Diff: FastIO_LPC1768.h

Revision:

0:d394ebd01052

Child:

2:1a6ed4b84590

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FastIO_LPC1768.h	Tue Jul 01 17:04:08 2014 +0000
@@ -0,0 +1,27 @@
+#ifdef TARGET_LPC1768
+
+#include "mbed.h"
+#include "pinmap.h"
+
+typedef struct {
+    uint32_t mask;
+} fastio_vars;
+
+#define LPC_GPIO            ((LPC_GPIO_TypeDef*)(pin & ~0x1F))
+#define PINMASK             (1UL << (((pin) - P0_0)%32))
+
+#define PINSELREG           (*(volatile uint32_t*)(LPC_PINCON_BASE + 4*(((pin) - P0_0)/16)))
+#define PINSELMASK          (0x03 << (((pin - P0_0)%16)*2) )
+
+#define INIT_PIN            container.mask = PINMASK; (PINSELREG &= ~PINSELMASK)
+
+#define SET_DIR_INPUT       (LPC_GPIO->FIODIR &= ~PINMASK)
+#define SET_DIR_OUTPUT      (LPC_GPIO->FIODIR |= PINMASK)
+#define SET_MODE(pull)      (pin_mode(pin, pull))
+
+#define WRITE_PIN_SET       (LPC_GPIO->FIOSET = PINMASK)
+#define WRITE_PIN_CLR       (LPC_GPIO->FIOCLR = PINMASK)
+
+#define READ_PIN            ((LPC_GPIO->FIOPIN & container.mask) ? 1 : 0)
+
+#endif
\ No newline at end of file