1 files changed, 188 insertions, 0 deletions
diff --git a/os/hal/ports/KINETIS/LLD/PORTv1/hal_ext_lld.h b/os/hal/ports/KINETIS/LLD/PORTv1/hal_ext_lld.h
new file mode 100644
index 0000000..0b500a4
--- /dev/null
+++ b/os/hal/ports/KINETIS/LLD/PORTv1/hal_ext_lld.h
@@ -0,0 +1,188 @@
+/*
+    ChibiOS - Copyright (C) 2014 Derek Mulcahy
+
+    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    PORTv1/hal_ext_lld.h
+ * @brief   KINETIS EXT subsystem low level driver header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef HAL_EXT_LLD_H_
+#define HAL_EXT_LLD_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Number of EXT channels required.
+ */
+#define EXT_MAX_CHANNELS    KINETIS_EXTI_NUM_CHANNELS
+
+/**
+ * @name    KINETIS-specific EXT channel modes
+ * @{
+ */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    Configuration options
+ * @{
+ */
+/**
+ * @brief   PORTA interrupt priority level setting.
+ */
+#if !defined(KINETIS_EXT_PORTA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define KINETIS_EXT_PORTA_IRQ_PRIORITY      3
+#endif
+
+/**
+ * @brief   PORTB interrupt priority level setting.
+ */
+#if !defined(KINETIS_EXT_PORTB_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define KINETIS_EXT_PORTB_IRQ_PRIORITY      3
+#endif
+
+/**
+ * @brief   PORTC interrupt priority level setting.
+ */
+#if !defined(KINETIS_EXT_PORTC_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define KINETIS_EXT_PORTC_IRQ_PRIORITY      3
+#endif
+
+/**
+ * @brief   PORTD interrupt priority level setting.
+ */
+#if !defined(KINETIS_EXT_PORTD_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define KINETIS_EXT_PORTD_IRQ_PRIORITY       3
+#endif
+
+/**
+ * @brief   PORTE interrupt priority level setting.
+ */
+#if !defined(KINETIS_EXT_PORTE_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define KINETIS_EXT_PORTE_IRQ_PRIORITY       3
+#endif
+/** @} */
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   EXT channel identifier.
+ */
+typedef uint32_t expchannel_t;
+
+/**
+ * @brief   Type of an EXT generic notification callback.
+ *
+ * @param[in] extp      pointer to the @p EXPDriver object triggering the
+ *                      callback
+ */
+typedef void (*extcallback_t)(EXTDriver *extp, expchannel_t channel);
+
+/**
+ * @brief   Channel configuration structure.
+ */
+typedef struct {
+  /**
+   * @brief Channel mode.
+   */
+  uint32_t              mode;
+  /**
+   * @brief Channel callback.
+   */
+  extcallback_t         cb;
+
+  /**
+   * @brief Port.
+   */
+  PORT_TypeDef          *port;
+
+  /**
+   * @brief Pin.
+   */
+  uint32_t              pin;
+} EXTChannelConfig;
+
+/**
+ * @brief   Driver configuration structure.
+ * @note    It could be empty on some architectures.
+ */
+typedef struct {
+  /**
+   * @brief Channel configurations.
+   */
+  EXTChannelConfig      channels[EXT_MAX_CHANNELS];
+  /* End of the mandatory fields.*/
+} EXTConfig;
+
+/**
+ * @brief   Structure representing an EXT driver.
+ */
+struct EXTDriver {
+  /**
+   * @brief Driver state.
+   */
+  extstate_t                state;
+  /**
+   * @brief Current configuration data.
+   */
+  const EXTConfig           *config;
+  /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern EXTDriver EXTD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void ext_lld_init(void);
+  void ext_lld_start(EXTDriver *extp);
+  void ext_lld_stop(EXTDriver *extp);
+  void ext_lld_channel_enable(EXTDriver *extp, expchannel_t channel);
+  void ext_lld_channel_disable(EXTDriver *extp, expchannel_t channel);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* HAL_EXT_LLD_H_ */
+
+/** @} */