Merge pull request #43 from fpoussin/timcap-pull

TIMCAP Driver

Merged pull request #43 from fpoussin/timcap-pull. Original driver: https://github.com/dsigma/ChibiOS/tree/master/demos/ARMCM4-STM32F407-WAVESHARE-OPEN-407I-C-TIM_CAP/timcap

2 files changed, 211 insertions, 0 deletions

diff --git a/os/hal/include/hal_community.h b/os/hal/include/hal_community.h
index 5ed561f..7c83078 100644
--- a/os/hal/include/hal_community.h
+++ b/os/hal/include/hal_community.h
@@ -33,6 +33,7 @@
 #include "nand.h"

 #include "eicu.h"

 #include "usbh.h"

+#include "timcap.h"

 

 /* Complex drivers.*/

 #include "onewire.h"

diff --git a/os/hal/include/timcap.h b/os/hal/include/timcap.h
new file mode 100644
index 0000000..a848783
--- /dev/null
+++ b/os/hal/include/timcap.h
@@ -0,0 +1,210 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012,2013 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    timcap.h
+ * @brief   TIMCAP Driver macros and structures.
+ *
+ * @addtogroup TIMCAP
+ * @{
+ */
+
+#ifndef _TIMCAP_H_
+#define _TIMCAP_H_
+
+#include "ch.h"
+#include "hal.h"
+
+#ifndef HAL_USE_TIMCAP
+#define HAL_USE_TIMCAP FALSE
+#endif
+
+#if HAL_USE_TIMCAP || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Driver state machine possible states.
+ */
+typedef enum {
+  TIMCAP_UNINIT = 0,                   /**< Not initialized.                   */
+  TIMCAP_STOP = 1,                     /**< Stopped.                           */
+  TIMCAP_READY = 2,                    /**< Ready.                             */
+  TIMCAP_WAITING = 3,                  /**< Waiting first edge.                */
+  TIMCAP_ACTIVE = 4,                   /**< Active cycle phase.                */
+  TIMCAP_IDLE = 5,                     /**< Idle cycle phase.                  */
+} timcapstate_t;
+
+/**
+ * @brief   Type of a structure representing an TIMCAP driver.
+ */
+typedef struct TIMCAPDriver TIMCAPDriver;
+
+
+/**
+ * @brief   TIMCAP notification callback type.
+ *
+ * @param[in] timcapp      pointer to a @p TIMCAPDriver object
+ */
+typedef void (*timcapcallback_t)(TIMCAPDriver *timcapp);
+
+#include "timcap_lld.h"
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @name    Macro Functions
+ * @{
+ */
+/**
+ * @brief   Enables the input capture.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @iclass
+ */
+#define timcapEnableI(timcapp) timcap_lld_enable(timcapp)
+
+/**
+ * @brief   Disables the input capture.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @iclass
+ */
+#define timcapDisableI(timcapp) timcap_lld_disable(timcapp)
+
+
+
+
+/** @} */
+
+/**
+ * @name    Low Level driver helper macros
+ * @{
+ */
+
+
+/**
+ * @brief   Common ISR code, TIMCAP channel 1 event.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @notapi
+ */
+#define _timcap_isr_invoke_channel1_cb(timcapp) {                                   \
+  timcapstate_t previous_state = (timcapp)->state;                                \
+  (timcapp)->state = TIMCAP_ACTIVE;                                               \
+  if (previous_state != TIMCAP_WAITING)                                        \
+    (timcapp)->config->capture_cb_array[0](timcapp);                                        \
+}
+
+/**
+ * @brief   Common ISR code, TIMCAP channel 2 event.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @notapi
+ */
+#define _timcap_isr_invoke_channel2_cb(timcapp) {                                   \
+  timcapstate_t previous_state = (timcapp)->state;                                \
+  (timcapp)->state = TIMCAP_ACTIVE;                                               \
+  if (previous_state != TIMCAP_WAITING)                                        \
+    (timcapp)->config->capture_cb_array[1](timcapp);                                        \
+}
+
+/**
+ * @brief   Common ISR code, TIMCAP channel 3 event.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @notapi
+ */
+#define _timcap_isr_invoke_channel3_cb(timcapp) {                                   \
+  timcapstate_t previous_state = (timcapp)->state;                                \
+  (timcapp)->state = TIMCAP_ACTIVE;                                               \
+  if (previous_state != TIMCAP_WAITING)                                        \
+    (timcapp)->config->capture_cb_array[2](timcapp);                                        \
+}
+
+/**
+ * @brief   Common ISR code, TIMCAP channel 4 event.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @notapi
+ */
+#define _timcap_isr_invoke_channel4_cb(timcapp) {                                   \
+  timcapstate_t previous_state = (timcapp)->state;                                \
+  (timcapp)->state = TIMCAP_ACTIVE;                                               \
+  if (previous_state != TIMCAP_WAITING)                                        \
+    (timcapp)->config->capture_cb_array[3](timcapp);                                        \
+}
+
+/**
+ * @brief   Common ISR code, TIMCAP timer overflow event.
+ *
+ * @param[in] timcapp      pointer to the @p TIMCAPDriver object
+ *
+ * @notapi
+ */
+#define _timcap_isr_invoke_overflow_cb(timcapp) {                                 \
+  (timcapp)->config->overflow_cb(timcapp);                                        \
+}
+/** @} */
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void timcapInit(void);
+  void timcapObjectInit(TIMCAPDriver *timcapp);
+  void timcapStart(TIMCAPDriver *timcapp, const TIMCAPConfig *config);
+  void timcapStop(TIMCAPDriver *timcapp);
+  void timcapEnable(TIMCAPDriver *timcapp);
+  void timcapDisable(TIMCAPDriver *timcapp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_TIMCAP */
+
+#endif /* _TIMCAP_H_ */
+
+/** @} */