diff options
Diffstat (limited to 'os/hal/platforms/SPC56x/serial_lld.h')
| -rw-r--r-- | os/hal/platforms/SPC56x/serial_lld.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/os/hal/platforms/SPC56x/serial_lld.h b/os/hal/platforms/SPC56x/serial_lld.h new file mode 100644 index 000000000..732a55bca --- /dev/null +++ b/os/hal/platforms/SPC56x/serial_lld.h @@ -0,0 +1,167 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file SPC563/serial_lld.h
+ * @brief SPC563 low level serial driver header.
+ *
+ * @addtogroup SPC563_SERIAL
+ * @{
+ */
+
+#ifndef _SERIAL_LLD_H_
+#define _SERIAL_LLD_H_
+
+#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+#define SD_MODE_PARITY 0x03 /**< @brief Parity field mask. */
+#define SD_MODE_PARITY_NONE 0x00 /**< @brief No parity. */
+#define SD_MODE_PARITY_EVEN 0x01 /**< @brief Even parity. */
+#define SD_MODE_PARITY_ODD 0x02 /**< @brief Odd parity. */
+
+#define SD_MODE_NORMAL 0x00 /**< @brief Normal operations. */
+#define SD_MODE_LOOPBACK 0x80 /**< @brief Internal loopback. */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief eSCI-A driver enable switch.
+ * @details If set to @p TRUE the support for eSCI-A is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(USE_SPC563_ESCIA) || defined(__DOXYGEN__)
+#define USE_SPC563_ESCIA TRUE
+#endif
+
+/**
+ * @brief eSCI-B driver enable switch.
+ * @details If set to @p TRUE the support for eSCI-B is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(USE_SPC563_ESCIB) || defined(__DOXYGEN__)
+#define USE_SPC563_ESCIB TRUE
+#endif
+
+/**
+ * @brief eSCI-A interrupt priority level setting.
+ */
+#if !defined(SPC563_ESCIA_PRIORITY) || defined(__DOXYGEN__)
+#define SPC563_ESCIA_PRIORITY 8
+#endif
+
+/**
+ * @brief eSCI-B interrupt priority level setting.
+ */
+#if !defined(SPC563_ESCIB_PRIORITY) || defined(__DOXYGEN__)
+#define SPC563_ESCIB_PRIORITY 8
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Serial Driver condition flags type.
+ */
+typedef uint8_t sdflags_t;
+
+/**
+ * @brief Generic Serial Driver configuration structure.
+ * @details An instance of this structure must be passed to @p sdStart()
+ * in order to configure and start a serial driver operations.
+ * @note This structure content is architecture dependent, each driver
+ * implementation defines its own version and the custom static
+ * initializers.
+ */
+typedef struct {
+ /**
+ * @brief Bit rate.
+ */
+ uint32_t sc_speed;
+ /**
+ * @brief Mode flags.
+ */
+ uint8_t sc_mode;
+} SerialConfig;
+
+/**
+ * @brief @p SerialDriver specific data.
+ */
+#define _serial_driver_data \
+ _base_asynchronous_channel_data \
+ /* Driver state.*/ \
+ sdstate_t state; \
+ /* Current configuration data.*/ \
+ const SerialConfig *config; \
+ /* Input queue.*/ \
+ InputQueue iqueue; \
+ /* Output queue.*/ \
+ OutputQueue oqueue; \
+ /* Status Change @p EventSource.*/ \
+ EventSource sevent; \
+ /* I/O driver status flags.*/ \
+ sdflags_t flags; \
+ /* Input circular buffer.*/ \
+ uint8_t ib[SERIAL_BUFFERS_SIZE]; \
+ /* Output circular buffer.*/ \
+ uint8_t ob[SERIAL_BUFFERS_SIZE]; \
+ /* End of the mandatory fields.*/ \
+ /* Pointer to the volatile eSCI registers block.*/ \
+ volatile struct ESCI_tag *escip;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if USE_SPC563_ESCIA && !defined(__DOXYGEN__)
+extern SerialDriver SD1;
+#endif
+#if USE_SPC563_ESCIB && !defined(__DOXYGEN__)
+extern SerialDriver SD2;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void sd_lld_init(void);
+ void sd_lld_start(SerialDriver *sdp);
+ void sd_lld_stop(SerialDriver *sdp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CH_HAL_USE_SERIAL */
+
+#endif /* _SERIAL_LLD_H_ */
+
+/** @} */
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