*
* \author Francesco Sacchi <batt@develer.com>
*
- * ATSAM3 Parallel input/output controller.
+ * Atmel SAM3 Parallel input/output controller.
* This file is based on NUT/OS implementation. See license below.
*/
#define PIOA_BASE 0x400E0E00
#define PIOB_BASE 0x400E1000
#define PIOC_BASE 0x400E1200
+
+#if CPU_CM3_SAM3X
+ #define PIOD_BASE 0x400E1400
+ #define PIOE_BASE 0x400E1600
+ #define PIOF_BASE 0x400E1800
+#endif
/*\}*/
/** PIO Register Offsets */
#define PIO_PUDR_OFF 0x00000060 ///< Pull-up disable register offset.
#define PIO_PUER_OFF 0x00000064 ///< Pull-up enable register offset.
#define PIO_PUSR_OFF 0x00000068 ///< Pull-up status register offset.
-#define PIO_ABCDSR1_OFF 0x00000070 ///< PIO peripheral select register 1 offset.
-#define PIO_ABCDSR2_OFF 0x00000074 ///< PIO peripheral select register 2 offset.
+#if CPU_CM3_SAM3X || CPU_CM3_SAM3U
+ #define PIO_ABSR_OFF 0x00000070 ///< PIO peripheral select register offset.
+#elif CPU_CM3_SAM3N || CPU_CM3_SAM3S
+ #define PIO_ABCDSR1_OFF 0x00000070 ///< PIO peripheral select register 1 offset.
+ #define PIO_ABCDSR2_OFF 0x00000074 ///< PIO peripheral select register 2 offset.
+#else
+ #error Undefined PIO peripheral select register for selected cpu
+#endif
#define PIO_OWER_OFF 0x000000A0 ///< PIO output write enable register offset.
#define PIO_OWDR_OFF 0x000000A4 ///< PIO output write disable register offset.
#define PIO_OWSR_OFF 0x000000A8 ///< PIO output write status register offset.
/*\}*/
-/** Single PIO Register Addresses */
-/*\{*/
-#if defined(PIO_BASE)
- #define PIO_ACCESS(offset) (*((reg32_t *)(PIO_BASE + (offset))))
-
- #define PIO_PER PIO_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
- #define PIO_PDR PIO_ACCESS(PIO_PDR_OFF) ///< PIO disable register address.
- #define PIO_PSR PIO_ACCESS(PIO_PSR_OFF) ///< PIO status register address.
- #define PIO_OER PIO_ACCESS(PIO_OER_OFF) ///< Output enable register address.
- #define PIO_ODR PIO_ACCESS(PIO_ODR_OFF) ///< Output disable register address.
- #define PIO_OSR PIO_ACCESS(PIO_OSR_OFF) ///< Output status register address.
- #define PIO_IFER PIO_ACCESS(PIO_IFER_OFF) ///< Input filter enable register address.
- #define PIO_IFDR PIO_ACCESS(PIO_IFDR_OFF) ///< Input filter disable register address.
- #define PIO_IFSR PIO_ACCESS(PIO_IFSR_OFF) ///< Input filter status register address.
- #define PIO_SODR PIO_ACCESS(PIO_SODR_OFF) ///< Set output data register address.
- #define PIO_CODR PIO_ACCESS(PIO_CODR_OFF) ///< Clear output data register address.
- #define PIO_ODSR PIO_ACCESS(PIO_ODSR_OFF) ///< Output data status register address.
- #define PIO_PDSR PIO_ACCESS(PIO_PDSR_OFF) ///< Pin data status register address.
- #define PIO_IER PIO_ACCESS(PIO_IER_OFF) ///< Interrupt enable register address.
- #define PIO_IDR PIO_ACCESS(PIO_IDR_OFF) ///< Interrupt disable register address.
- #define PIO_IMR PIO_ACCESS(PIO_IMR_OFF) ///< Interrupt mask register address.
- #define PIO_ISR PIO_ACCESS(PIO_ISR_OFF) ///< Interrupt status register address.
- #define PIO_MDER PIO_ACCESS(PIO_MDER_OFF) ///< Multi-driver enable register address.
- #define PIO_MDDR PIO_ACCESS(PIO_MDDR_OFF) ///< Multi-driver disable register address.
- #define PIO_MDSR PIO_ACCESS(PIO_MDSR_OFF) ///< Multi-driver status register address.
- #define PIO_PUDR PIO_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
- #define PIO_PUER PIO_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
- #define PIO_PUSR PIO_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
- #define PIO_ABCDSR1 PIO_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
- #define PIO_ABCDSR2 PIO_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
- #define PIO_OWER PIO_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
- #define PIO_OWDR PIO_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
- #define PIO_OWSR PIO_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
-#endif /* PIO_BASE */
-/*\}*/
-/** PIO A Register Addresses */
-/*\{*/
#if defined(PIOA_BASE)
+ /** PIO A Register Addresses */
+ /*\{*/
#define PIOA_ACCESS(offset) (*((reg32_t *)(PIOA_BASE + (offset))))
#define PIOA_PER PIOA_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
#define PIOA_PUDR PIOA_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
#define PIOA_PUER PIOA_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
#define PIOA_PUSR PIOA_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOA_ABSR PIOA_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
#define PIOA_ABCDSR1 PIOA_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
- #define PIOA_ABCDSR2 PIOA_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 2 address.
+ #define PIOA_ABCDSR2 PIOA_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
#define PIOA_OWER PIOA_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
#define PIOA_OWDR PIOA_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
#define PIOA_OWSR PIOA_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
#endif /* PIOA_BASE */
-/*\}*/
-/** PIO B Register Addresses */
-/*\{*/
#if defined(PIOB_BASE)
+ /** PIO B Register Addresses */
+ /*\{*/
#define PIOB_ACCESS(offset) (*((reg32_t *)(PIOB_BASE + (offset))))
#define PIOB_PER PIOB_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
#define PIOB_PUDR PIOB_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
#define PIOB_PUER PIOB_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
#define PIOB_PUSR PIOB_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOB_ABSR PIOB_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
#define PIOB_ABCDSR1 PIOB_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
- #define PIOB_ABCDSR2 PIOB_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 2 address.
+ #define PIOB_ABCDSR2 PIOB_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
#define PIOB_OWER PIOB_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
#define PIOB_OWDR PIOB_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
#define PIOB_OWSR PIOB_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
#endif /* PIOB_BASE */
-/*\}*/
-/** PIO C Register Addresses */
-/*\{*/
#if defined(PIOC_BASE)
+ /** PIO C Register Addresses */
+ /*\{*/
#define PIOC_ACCESS(offset) (*((reg32_t *)(PIOC_BASE + (offset))))
#define PIOC_PER PIOC_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
#define PIOC_PUDR PIOC_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
#define PIOC_PUER PIOC_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
#define PIOC_PUSR PIOC_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOC_ABSR PIOC_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
#define PIOC_ABCDSR1 PIOC_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
- #define PIOC_ABCDSR2 PIOC_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 2 address.
+ #define PIOC_ABCDSR2 PIOC_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
#define PIOC_OWER PIOC_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
#define PIOC_OWDR PIOC_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
#define PIOC_OWSR PIOC_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
#endif /* PIOC_BASE */
-/*\}*/
+
+#if defined(PIOD_BASE)
+ /** PIO C Register Addresses */
+ /*\{*/
+ #define PIOD_ACCESS(offset) (*((reg32_t *)(PIOD_BASE + (offset))))
+
+ #define PIOD_PER PIOD_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
+ #define PIOD_PDR PIOD_ACCESS(PIO_PDR_OFF) ///< PIO disable register address.
+ #define PIOD_PSR PIOD_ACCESS(PIO_PSR_OFF) ///< PIO status register address.
+ #define PIOD_OER PIOD_ACCESS(PIO_OER_OFF) ///< Output enable register address.
+ #define PIOD_ODR PIOD_ACCESS(PIO_ODR_OFF) ///< Output disable register address.
+ #define PIOD_OSR PIOD_ACCESS(PIO_OSR_OFF) ///< Output status register address.
+ #define PIOD_IFER PIOD_ACCESS(PIO_IFER_OFF) ///< Input filter enable register address.
+ #define PIOD_IFDR PIOD_ACCESS(PIO_IFDR_OFF) ///< Input filter disable register address.
+ #define PIOD_IFSR PIOD_ACCESS(PIO_IFSR_OFF) ///< Input filter status register address.
+ #define PIOD_SODR PIOD_ACCESS(PIO_SODR_OFF) ///< Set output data register address.
+ #define PIOD_CODR PIOD_ACCESS(PIO_CODR_OFF) ///< Clear output data register address.
+ #define PIOD_ODSR PIOD_ACCESS(PIO_ODSR_OFF) ///< Output data status register address.
+ #define PIOD_PDSR PIOD_ACCESS(PIO_PDSR_OFF) ///< Pin data status register address.
+ #define PIOD_IER PIOD_ACCESS(PIO_IER_OFF) ///< Interrupt enable register address.
+ #define PIOD_IDR PIOD_ACCESS(PIO_IDR_OFF) ///< Interrupt disable register address.
+ #define PIOD_IMR PIOD_ACCESS(PIO_IMR_OFF) ///< Interrupt mask register address.
+ #define PIOD_ISR PIOD_ACCESS(PIO_ISR_OFF) ///< Interrupt status register address.
+ #define PIOD_MDER PIOD_ACCESS(PIO_MDER_OFF) ///< Multi-driver enable register address.
+ #define PIOD_MDDR PIOD_ACCESS(PIO_MDDR_OFF) ///< Multi-driver disable register address.
+ #define PIOD_MDSR PIOD_ACCESS(PIO_MDSR_OFF) ///< Multi-driver status register address.
+ #define PIOD_PUDR PIOD_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
+ #define PIOD_PUER PIOD_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
+ #define PIOD_PUSR PIOD_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOD_ABSR PIOD_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
+ #define PIOD_ABCDSR1 PIOD_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
+ #define PIOD_ABCDSR2 PIOD_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
+ #define PIOD_OWER PIOD_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
+ #define PIOD_OWDR PIOD_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
+ #define PIOD_OWSR PIOD_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
+#endif /* PIOD_BASE */
+
+#if defined(PIOE_BASE)
+ /** PIO C Register Addresses */
+ /*\{*/
+ #define PIOE_ACCESS(offset) (*((reg32_t *)(PIOE_BASE + (offset))))
+
+ #define PIOE_PER PIOE_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
+ #define PIOE_PDR PIOE_ACCESS(PIO_PDR_OFF) ///< PIO disable register address.
+ #define PIOE_PSR PIOE_ACCESS(PIO_PSR_OFF) ///< PIO status register address.
+ #define PIOE_OER PIOE_ACCESS(PIO_OER_OFF) ///< Output enable register address.
+ #define PIOE_ODR PIOE_ACCESS(PIO_ODR_OFF) ///< Output disable register address.
+ #define PIOE_OSR PIOE_ACCESS(PIO_OSR_OFF) ///< Output status register address.
+ #define PIOE_IFER PIOE_ACCESS(PIO_IFER_OFF) ///< Input filter enable register address.
+ #define PIOE_IFDR PIOE_ACCESS(PIO_IFDR_OFF) ///< Input filter disable register address.
+ #define PIOE_IFSR PIOE_ACCESS(PIO_IFSR_OFF) ///< Input filter status register address.
+ #define PIOE_SODR PIOE_ACCESS(PIO_SODR_OFF) ///< Set output data register address.
+ #define PIOE_CODR PIOE_ACCESS(PIO_CODR_OFF) ///< Clear output data register address.
+ #define PIOE_ODSR PIOE_ACCESS(PIO_ODSR_OFF) ///< Output data status register address.
+ #define PIOE_PDSR PIOE_ACCESS(PIO_PDSR_OFF) ///< Pin data status register address.
+ #define PIOE_IER PIOE_ACCESS(PIO_IER_OFF) ///< Interrupt enable register address.
+ #define PIOE_IDR PIOE_ACCESS(PIO_IDR_OFF) ///< Interrupt disable register address.
+ #define PIOE_IMR PIOE_ACCESS(PIO_IMR_OFF) ///< Interrupt mask register address.
+ #define PIOE_ISR PIOE_ACCESS(PIO_ISR_OFF) ///< Interrupt status register address.
+ #define PIOE_MDER PIOE_ACCESS(PIO_MDER_OFF) ///< Multi-driver enable register address.
+ #define PIOE_MDDR PIOE_ACCESS(PIO_MDDR_OFF) ///< Multi-driver disable register address.
+ #define PIOE_MDSR PIOE_ACCESS(PIO_MDSR_OFF) ///< Multi-driver status register address.
+ #define PIOE_PUDR PIOE_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
+ #define PIOE_PUER PIOE_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
+ #define PIOE_PUSR PIOE_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOE_ABSR PIOE_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
+ #define PIOE_ABCDSR1 PIOE_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
+ #define PIOE_ABCDSR2 PIOE_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
+ #define PIOE_OWER PIOE_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
+ #define PIOE_OWDR PIOE_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
+ #define PIOE_OWSR PIOE_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
+#endif /* PIOE_BASE */
+
+#if defined(PIOF_BASE)
+ /** PIO C Register Addresses */
+ /*\{*/
+ #define PIOF_ACCESS(offset) (*((reg32_t *)(PIOF_BASE + (offset))))
+
+ #define PIOF_PER PIOF_ACCESS(PIO_PER_OFF) ///< PIO enable register address.
+ #define PIOF_PDR PIOF_ACCESS(PIO_PDR_OFF) ///< PIO disable register address.
+ #define PIOF_PSR PIOF_ACCESS(PIO_PSR_OFF) ///< PIO status register address.
+ #define PIOF_OER PIOF_ACCESS(PIO_OER_OFF) ///< Output enable register address.
+ #define PIOF_ODR PIOF_ACCESS(PIO_ODR_OFF) ///< Output disable register address.
+ #define PIOF_OSR PIOF_ACCESS(PIO_OSR_OFF) ///< Output status register address.
+ #define PIOF_IFER PIOF_ACCESS(PIO_IFER_OFF) ///< Input filter enable register address.
+ #define PIOF_IFDR PIOF_ACCESS(PIO_IFDR_OFF) ///< Input filter disable register address.
+ #define PIOF_IFSR PIOF_ACCESS(PIO_IFSR_OFF) ///< Input filter status register address.
+ #define PIOF_SODR PIOF_ACCESS(PIO_SODR_OFF) ///< Set output data register address.
+ #define PIOF_CODR PIOF_ACCESS(PIO_CODR_OFF) ///< Clear output data register address.
+ #define PIOF_ODSR PIOF_ACCESS(PIO_ODSR_OFF) ///< Output data status register address.
+ #define PIOF_PDSR PIOF_ACCESS(PIO_PDSR_OFF) ///< Pin data status register address.
+ #define PIOF_IER PIOF_ACCESS(PIO_IER_OFF) ///< Interrupt enable register address.
+ #define PIOF_IDR PIOF_ACCESS(PIO_IDR_OFF) ///< Interrupt disable register address.
+ #define PIOF_IMR PIOF_ACCESS(PIO_IMR_OFF) ///< Interrupt mask register address.
+ #define PIOF_ISR PIOF_ACCESS(PIO_ISR_OFF) ///< Interrupt status register address.
+ #define PIOF_MDER PIOF_ACCESS(PIO_MDER_OFF) ///< Multi-driver enable register address.
+ #define PIOF_MDDR PIOF_ACCESS(PIO_MDDR_OFF) ///< Multi-driver disable register address.
+ #define PIOF_MDSR PIOF_ACCESS(PIO_MDSR_OFF) ///< Multi-driver status register address.
+ #define PIOF_PUDR PIOF_ACCESS(PIO_PUDR_OFF) ///< Pull-up disable register address.
+ #define PIOF_PUER PIOF_ACCESS(PIO_PUER_OFF) ///< Pull-up enable register address.
+ #define PIOF_PUSR PIOF_ACCESS(PIO_PUSR_OFF) ///< Pull-up status register address.
+#ifdef PIO_ABSR_OFF
+ #define PIOF_ABSR PIOF_ACCESS(PIO_ABSR_OFF) ///< PIO peripheral select register address.
+#else
+ #define PIOF_ABCDSR1 PIOF_ACCESS(PIO_ABCDSR1_OFF) ///< PIO peripheral select register 1 address.
+ #define PIOF_ABCDSR2 PIOF_ACCESS(PIO_ABCDSR2_OFF) ///< PIO peripheral select register 2 address.
+#endif
+ #define PIOF_OWER PIOF_ACCESS(PIO_OWER_OFF) ///< PIO output write enable register address.
+ #define PIOF_OWDR PIOF_ACCESS(PIO_OWDR_OFF) ///< PIO output write disable register address.
+ #define PIOF_OWSR PIOF_ACCESS(PIO_OWSR_OFF) ///< PIO output write status register address.
+ /*\}*/
+#endif /* PIOF_BASE */
+
+
+#define PIO_PERIPH_A 0
+#define PIO_PERIPH_B 1
+#ifdef PIO_ABCDSR1_OFF
+ #define PIO_PERIPH_C 2
+ #define PIO_PERIPH_D 3
+#endif
+
+/**
+ * Set peripheral on I/O ports.
+ *
+ * \param base PIO port base
+ * \param mask mask of I/O pin to manipulate
+ * \param function function to assign to selected pins (PIO_PERIPH_A, B, ...)
+ */
+#ifdef PIO_ABCDSR1_OFF
+ #define PIO_PERIPH_SEL(base, mask, function) do { \
+ HWREG((base) + PIO_ABCDSR1_OFF) &= ~(mask); \
+ HWREG((base) + PIO_ABCDSR2_OFF) &= ~(mask); \
+ if ((function) & 1) \
+ HWREG((base) + PIO_ABCDSR1_OFF) |= (mask); \
+ if ((function) & 2) \
+ HWREG((base) + PIO_ABCDSR2_OFF) |= (mask); \
+ } while (0)
+#else
+ #define PIO_PERIPH_SEL(base, mask, function) do { \
+ HWREG((base) + PIO_ABSR_OFF) &= ~(mask); \
+ if ((function) & 1) \
+ HWREG((base) + PIO_ABSR_OFF) |= (mask); \
+ } while (0)
+#endif
+
#endif /* SAM3_PIO_H */
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