Diff: Devices/FastIO_LPC43XX.h

Revision:

19:89d6ae484a35

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Devices/FastIO_LPC43XX.h	Fri Feb 05 14:47:23 2016 +0000
@@ -0,0 +1,32 @@
+#ifdef TARGET_LPC43XX
+
+#include "mbed.h"
+#include "pinmap.h"
+
+typedef struct {
+    uint32_t mask;
+} fastio_vars;
+
+#define PORT            (((unsigned int)pin >> PORT_SHIFT) & 0x0000000F)
+#define PINMASK         (1 << ((int)pin & 0x1F))
+static inline void initpin(PinName pin);
+
+#define INIT_PIN        container.mask = PINMASK; initpin(pin)
+#define DESTROY_PIN     
+
+#define SET_DIR_INPUT   ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->DIR[PORT] &= ~PINMASK )
+#define SET_DIR_OUTPUT  ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->DIR[PORT] |= PINMASK )
+#define SET_MODE(pull)  (pin_mode(pin, pull))
+
+#define WRITE_PIN_SET   ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->SET[PORT] = PINMASK )
+#define WRITE_PIN_CLR   ( ((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->CLR[PORT] = PINMASK )
+
+#define READ_PIN        ( (((LPC_GPIO_T *)(LPC_GPIO_PORT_BASE))->PIN[PORT] & container.mask) ? 1 : 0 )
+
+static inline void initpin(PinName pin) {
+    unsigned int port = (unsigned int)MBED_GPIO_PORT(pin);
+    int f = SCU_PINIO_FAST | ((port > 4) ? (4) : (0));
+    pin_function(pin, f);
+}
+
+#endif
\ No newline at end of file