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-rw-r--r--os/hal/platforms/LPC43xx/spi_lld.h602
1 files changed, 301 insertions, 301 deletions
diff --git a/os/hal/platforms/LPC43xx/spi_lld.h b/os/hal/platforms/LPC43xx/spi_lld.h
index 63f5ab4fb..0cb2fc4ca 100644
--- a/os/hal/platforms/LPC43xx/spi_lld.h
+++ b/os/hal/platforms/LPC43xx/spi_lld.h
@@ -1,301 +1,301 @@
-/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file LPC43xx/spi_lld.h
- * @brief LPC43xx low level SPI driver header.
- *
- * @addtogroup SPI
- * @{
- */
-
-#ifndef _SPI_LLD_H_
-#define _SPI_LLD_H_
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/**
- * @brief Hardware FIFO depth.
- */
-#define LPC_SSP_FIFO_DEPTH 8
-
-#define CR0_DSSMASK 0x0F
-#define CR0_DSS4BIT 3
-#define CR0_DSS5BIT 4
-#define CR0_DSS6BIT 5
-#define CR0_DSS7BIT 6
-#define CR0_DSS8BIT 7
-#define CR0_DSS9BIT 8
-#define CR0_DSS10BIT 9
-#define CR0_DSS11BIT 0xA
-#define CR0_DSS12BIT 0xB
-#define CR0_DSS13BIT 0xC
-#define CR0_DSS14BIT 0xD
-#define CR0_DSS15BIT 0xE
-#define CR0_DSS16BIT 0xF
-#define CR0_FRFSPI 0
-#define CR0_FRFSSI 0x10
-#define CR0_FRFMW 0x20
-#define CR0_CPOL 0x40
-#define CR0_CPHA 0x80
-#define CR0_CLOCKRATE(n) ((n) << 8)
-
-#define CR1_LBM 1
-#define CR1_SSE 2
-#define CR1_MS 4
-#define CR1_SOD 8
-
-#define SR_TFE 1
-#define SR_TNF 2
-#define SR_RNE 4
-#define SR_RFF 8
-#define SR_BSY 16
-
-#define IMSC_ROR 1
-#define IMSC_RT 2
-#define IMSC_RX 4
-#define IMSC_TX 8
-
-#define RIS_ROR 1
-#define RIS_RT 2
-#define RIS_RX 4
-#define RIS_TX 8
-
-#define MIS_ROR 1
-#define MIS_RT 2
-#define MIS_RX 4
-#define MIS_TX 8
-
-#define ICR_ROR 1
-#define ICR_RT 2
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @brief SPI1 driver enable switch.
- * @details If set to @p TRUE the support for device SSP0 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(LPC_SPI_USE_SSP0) || defined(__DOXYGEN__)
-#define LPC_SPI_USE_SSP0 TRUE
-#endif
-
-/**
- * @brief SPI2 driver enable switch.
- * @details If set to @p TRUE the support for device SSP1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(LPC_SPI_USE_SSP1) || defined(__DOXYGEN__)
-#define LPC_SPI_USE_SSP1 FALSE
-#endif
-
-/**
- * @brief SSP0 PCLK divider.
- */
-#if !defined(LPC_SPI_SSP0CLKDIV) || defined(__DOXYGEN__)
-#define LPC_SPI_SSP0CLKDIV 1
-#endif
-
-/**
- * @brief SSP1 PCLK divider.
- */
-#if !defined(LPC_SPI_SSP1CLKDIV) || defined(__DOXYGEN__)
-#define LPC_SPI_SSP1CLKDIV 1
-#endif
-
-/**
- * @brief SPI0 interrupt priority level setting.
- */
-#if !defined(LPC_SPI_SSP0_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define LPC_SPI_SSP0_IRQ_PRIORITY 5
-#endif
-
-/**
- * @brief SPI1 interrupt priority level setting.
- */
-#if !defined(LPC_SPI_SSP1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define LPC_SPI_SSP1_IRQ_PRIORITY 5
-#endif
-
-/**
- * @brief Overflow error hook.
- * @details The default action is to stop the system.
- */
-#if !defined(LPC_SPI_SSP_ERROR_HOOK) || defined(__DOXYGEN__)
-#define LPC_SPI_SSP_ERROR_HOOK(spip) chSysHalt()
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if !LPC_SPI_USE_SSP0 && !LPC_SPI_USE_SSP1
-#error "SPI driver activated but no SPI peripheral assigned"
-#endif
-
-/**
- * @brief SSP0 clock.
- */
-#define LPC_SPI_SSP0_PCLK LPC_BASE_SSP0_CLK
-
-/**
- * @brief SSP1 clock.
- */
-#define LPC_SPI_SSP1_PCLK LPC_BASE_SSP1_CLK
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type of a structure representing an SPI driver.
- */
-typedef struct SPIDriver SPIDriver;
-
-/**
- * @brief SPI notification callback type.
- *
- * @param[in] spip pointer to the @p SPIDriver object triggering the
- * callback
- */
-typedef void (*spicallback_t)(SPIDriver *spip);
-
-/**
- * @brief Driver configuration structure.
- */
-typedef struct {
- /**
- * @brief Operation complete callback or @p NULL.
- */
- spicallback_t end_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief The chip select line port.
- */
- ioportid_t ssport;
- /**
- * @brief The chip select line pad number.
- */
- uint16_t sspad;
- /**
- * @brief SSP CR0 initialization data.
- */
- uint16_t cr0;
- /**
- * @brief SSP CPSR initialization data.
- */
- uint32_t cpsr;
-} SPIConfig;
-
-/**
- * @brief Structure representing a SPI driver.
- */
-struct SPIDriver {
- /**
- * @brief Driver state.
- */
- spistate_t state;
- /**
- * @brief Current configuration data.
- */
- const SPIConfig *config;
-#if SPI_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- Thread *thread;
-#endif /* SPI_USE_WAIT */
-#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- Mutex mutex;
-#elif CH_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* SPI_USE_MUTUAL_EXCLUSION */
-#if defined(SPI_DRIVER_EXT_FIELDS)
- SPI_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the SSP registers block.
- */
- LPC_SSPn_Type *ssp;
- /**
- * @brief Number of bytes yet to be received.
- */
- uint32_t rxcnt;
- /**
- * @brief Receive pointer or @p NULL.
- */
- void *rxptr;
- /**
- * @brief Number of bytes yet to be transmitted.
- */
- uint32_t txcnt;
- /**
- * @brief Transmit pointer or @p NULL.
- */
- const void *txptr;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if LPC_SPI_USE_SSP0 && !defined(__DOXYGEN__)
-extern SPIDriver SPID1;
-#endif
-
-#if LPC_SPI_USE_SSP1 && !defined(__DOXYGEN__)
-extern SPIDriver SPID2;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void spi_lld_init(void);
- void spi_lld_start(SPIDriver *spip);
- void spi_lld_stop(SPIDriver *spip);
- void spi_lld_select(SPIDriver *spip);
- void spi_lld_unselect(SPIDriver *spip);
- void spi_lld_ignore(SPIDriver *spip, size_t n);
- void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf);
- void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
- void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
- uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SPI */
-
-#endif /* _SPI_LLD_H_ */
-
-/** @} */
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file LPC43xx/spi_lld.h
+ * @brief LPC43xx low level SPI driver header.
+ *
+ * @addtogroup SPI
+ * @{
+ */
+
+#ifndef _SPI_LLD_H_
+#define _SPI_LLD_H_
+
+#if HAL_USE_SPI || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Hardware FIFO depth.
+ */
+#define LPC_SSP_FIFO_DEPTH 8
+
+#define CR0_DSSMASK 0x0F
+#define CR0_DSS4BIT 3
+#define CR0_DSS5BIT 4
+#define CR0_DSS6BIT 5
+#define CR0_DSS7BIT 6
+#define CR0_DSS8BIT 7
+#define CR0_DSS9BIT 8
+#define CR0_DSS10BIT 9
+#define CR0_DSS11BIT 0xA
+#define CR0_DSS12BIT 0xB
+#define CR0_DSS13BIT 0xC
+#define CR0_DSS14BIT 0xD
+#define CR0_DSS15BIT 0xE
+#define CR0_DSS16BIT 0xF
+#define CR0_FRFSPI 0
+#define CR0_FRFSSI 0x10
+#define CR0_FRFMW 0x20
+#define CR0_CPOL 0x40
+#define CR0_CPHA 0x80
+#define CR0_CLOCKRATE(n) ((n) << 8)
+
+#define CR1_LBM 1
+#define CR1_SSE 2
+#define CR1_MS 4
+#define CR1_SOD 8
+
+#define SR_TFE 1
+#define SR_TNF 2
+#define SR_RNE 4
+#define SR_RFF 8
+#define SR_BSY 16
+
+#define IMSC_ROR 1
+#define IMSC_RT 2
+#define IMSC_RX 4
+#define IMSC_TX 8
+
+#define RIS_ROR 1
+#define RIS_RT 2
+#define RIS_RX 4
+#define RIS_TX 8
+
+#define MIS_ROR 1
+#define MIS_RT 2
+#define MIS_RX 4
+#define MIS_TX 8
+
+#define ICR_ROR 1
+#define ICR_RT 2
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief SPI1 driver enable switch.
+ * @details If set to @p TRUE the support for device SSP0 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(LPC_SPI_USE_SSP0) || defined(__DOXYGEN__)
+#define LPC_SPI_USE_SSP0 TRUE
+#endif
+
+/**
+ * @brief SPI2 driver enable switch.
+ * @details If set to @p TRUE the support for device SSP1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(LPC_SPI_USE_SSP1) || defined(__DOXYGEN__)
+#define LPC_SPI_USE_SSP1 FALSE
+#endif
+
+/**
+ * @brief SSP0 PCLK divider.
+ */
+#if !defined(LPC_SPI_SSP0CLKDIV) || defined(__DOXYGEN__)
+#define LPC_SPI_SSP0CLKDIV 1
+#endif
+
+/**
+ * @brief SSP1 PCLK divider.
+ */
+#if !defined(LPC_SPI_SSP1CLKDIV) || defined(__DOXYGEN__)
+#define LPC_SPI_SSP1CLKDIV 1
+#endif
+
+/**
+ * @brief SPI0 interrupt priority level setting.
+ */
+#if !defined(LPC_SPI_SSP0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define LPC_SPI_SSP0_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SPI1 interrupt priority level setting.
+ */
+#if !defined(LPC_SPI_SSP1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define LPC_SPI_SSP1_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief Overflow error hook.
+ * @details The default action is to stop the system.
+ */
+#if !defined(LPC_SPI_SSP_ERROR_HOOK) || defined(__DOXYGEN__)
+#define LPC_SPI_SSP_ERROR_HOOK(spip) chSysHalt()
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if !LPC_SPI_USE_SSP0 && !LPC_SPI_USE_SSP1
+#error "SPI driver activated but no SPI peripheral assigned"
+#endif
+
+/**
+ * @brief SSP0 clock.
+ */
+#define LPC_SPI_SSP0_PCLK LPC_BASE_SSP0_CLK
+
+/**
+ * @brief SSP1 clock.
+ */
+#define LPC_SPI_SSP1_PCLK LPC_BASE_SSP1_CLK
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a structure representing an SPI driver.
+ */
+typedef struct SPIDriver SPIDriver;
+
+/**
+ * @brief SPI notification callback type.
+ *
+ * @param[in] spip pointer to the @p SPIDriver object triggering the
+ * callback
+ */
+typedef void (*spicallback_t)(SPIDriver *spip);
+
+/**
+ * @brief Driver configuration structure.
+ */
+typedef struct {
+ /**
+ * @brief Operation complete callback or @p NULL.
+ */
+ spicallback_t end_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief The chip select line port.
+ */
+ ioportid_t ssport;
+ /**
+ * @brief The chip select line pad number.
+ */
+ uint16_t sspad;
+ /**
+ * @brief SSP CR0 initialization data.
+ */
+ uint16_t cr0;
+ /**
+ * @brief SSP CPSR initialization data.
+ */
+ uint32_t cpsr;
+} SPIConfig;
+
+/**
+ * @brief Structure representing a SPI driver.
+ */
+struct SPIDriver {
+ /**
+ * @brief Driver state.
+ */
+ spistate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const SPIConfig *config;
+#if SPI_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ Thread *thread;
+#endif /* SPI_USE_WAIT */
+#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+#if CH_USE_MUTEXES || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the bus.
+ */
+ Mutex mutex;
+#elif CH_USE_SEMAPHORES
+ Semaphore semaphore;
+#endif
+#endif /* SPI_USE_MUTUAL_EXCLUSION */
+#if defined(SPI_DRIVER_EXT_FIELDS)
+ SPI_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the SSP registers block.
+ */
+ LPC_SSPn_Type *ssp;
+ /**
+ * @brief Number of bytes yet to be received.
+ */
+ uint32_t rxcnt;
+ /**
+ * @brief Receive pointer or @p NULL.
+ */
+ void *rxptr;
+ /**
+ * @brief Number of bytes yet to be transmitted.
+ */
+ uint32_t txcnt;
+ /**
+ * @brief Transmit pointer or @p NULL.
+ */
+ const void *txptr;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if LPC_SPI_USE_SSP0 && !defined(__DOXYGEN__)
+extern SPIDriver SPID1;
+#endif
+
+#if LPC_SPI_USE_SSP1 && !defined(__DOXYGEN__)
+extern SPIDriver SPID2;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void spi_lld_init(void);
+ void spi_lld_start(SPIDriver *spip);
+ void spi_lld_stop(SPIDriver *spip);
+ void spi_lld_select(SPIDriver *spip);
+ void spi_lld_unselect(SPIDriver *spip);
+ void spi_lld_ignore(SPIDriver *spip, size_t n);
+ void spi_lld_exchange(SPIDriver *spip, size_t n,
+ const void *txbuf, void *rxbuf);
+ void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
+ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
+ uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_SPI */
+
+#endif /* _SPI_LLD_H_ */
+
+/** @} */
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