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Dependents:   Eavesdropper BitstreamGenerator SimpleDecimationFilter 11U68_MP3Player with TFTLCD ... more

Revision:
20:ed72895a2402
diff -r 89d6ae484a35 -r ed72895a2402 Devices/FastIO_NRF51822.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Devices/FastIO_NRF51822.h	Tue May 17 20:06:23 2016 +0000
@@ -0,0 +1,28 @@
+#ifdef TARGET_MCU_NRF51822
+
+#include "mbed.h"
+#include "gpio_api.h"
+
+typedef struct {
+    uint32_t mask;
+} fastio_vars;
+
+#define PINMASK         (1 << pin)
+
+
+#define INIT_PIN        container.mask = PINMASK; NRF_GPIO->PIN_CNF[pin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) \
+                                        | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) \
+                                        | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) \
+                                        | (NRF_GPIO->PIN_CNF[pin] & 0x01);      
+#define DESTROY_PIN     
+
+#define SET_DIR_INPUT   NRF_GPIO->DIRCLR = PINMASK
+#define SET_DIR_OUTPUT  NRF_GPIO->DIRSET = PINMASK    
+#define SET_MODE(pull)  NRF_GPIO->PIN_CNF[pin] = (NRF_GPIO->PIN_CNF[pin] & (~GPIO_PIN_CNF_PULL_Msk)) | pull
+
+#define WRITE_PIN_SET   NRF_GPIO->OUTSET = PINMASK    
+#define WRITE_PIN_CLR   NRF_GPIO->OUTCLR = PINMASK     
+
+#define READ_PIN        ((NRF_GPIO->IN & container.mask) ? 1 : 0)    
+
+#endif
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