Diff: Devices/FastIO_LPC11XX.h

Revision:

7:1e784ae11fba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Devices/FastIO_LPC11XX.h	Tue Jul 29 18:58:05 2014 +0000
@@ -0,0 +1,41 @@
+#ifdef TARGET_LPC11XX_11CXX
+
+#include "mbed.h"
+#include "pinmap.h"
+#include "reserved_pins.h"
+
+typedef struct {
+} fastio_vars;
+
+#define PORT            ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (((pin & 0xF000) >> PORT_SHIFT) * 0x10000)))
+#define PIN             ((pin & 0x0F00) >> 8 )
+#define MASKDATA        (*((volatile uint32_t*) ((uint32_t)PORT + (1 << (PIN + 2)))))
+static inline void initpin(PinName pin);
+static const PinName reserved_pins[] = TARGET_RESERVED_PINS;
+
+#define INIT_PIN        initpin(pin)
+#define DESTROY_PIN     
+
+#define SET_DIR_INPUT   (PORT->DIR &= ~(1 << PIN))
+#define SET_DIR_OUTPUT  (PORT->DIR |= (1<<PIN))
+#define SET_MODE(pull)  (pin_mode(pin, pull))
+
+#define WRITE_PIN_SET   (MASKDATA = 0xFFFF)
+#define WRITE_PIN_CLR   (MASKDATA = 0)
+
+#define READ_PIN        ((MASKDATA == 0) ? 0 : 1)
+
+static inline void initpin(PinName pin) {
+    unsigned i;
+    int f = 0;
+
+    for (i = 0; i < sizeof(reserved_pins) / sizeof(PinName); i ++) {
+        if (pin == reserved_pins[i]) {
+            f = 1;
+            break;
+        }
+    }
+    pin_function(pin, f);
+}
+
+#endif
\ No newline at end of file