import ChibiOS 2.0.8

2010-11-30 13:54:43 +09:00
parent 27543cfeca
commit c560d0ad0c
1982 changed files with 5318 additions and 4046 deletions
--- a/ChibiOS_2.0.8/os/hal/include/pwm.h
+++ b/ChibiOS_2.0.8/os/hal/include/pwm.h
@@ -0,0 +1,127 @@
+/*
+    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/>.
+
+                                      ---
+
+    A special exception to the GPL can be applied should you wish to distribute
+    a combined work that includes ChibiOS/RT, without being obliged to provide
+    the source code for any proprietary components. See the file exception.txt
+    for full details of how and when the exception can be applied.
+*/
+
+/**
+ * @file    pwm.h
+ * @brief   PWM Driver macros and structures.
+ *
+ * @addtogroup PWM
+ * @{
+ */
+
+#ifndef _PWM_H_
+#define _PWM_H_
+
+#if CH_HAL_USE_PWM || 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 {
+  PWM_UNINIT = 0,                   /**< Not initialized.                   */
+  PWM_STOP = 1,                     /**< Stopped.                           */
+  PWM_READY = 2,                    /**< Ready.                             */
+} pwmstate_t;
+
+/**
+ * @brief PWM logic mode.
+ */
+typedef enum {
+  PWM_OUTPUT_DISABLED = 0,          /**< Output not driven, callback only.  */
+  PWM_OUTPUT_ACTIVE_HIGH = 1,       /**< Idle is logic level 0.             */
+  PWM_OUTPUT_ACTIVE_LOW = 2         /**< Idle is logic level 1.             */
+} pwmmode_t;
+
+#include "pwm_lld.h"
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables a PWM channel.
+ * @details Programs (or reprograms) a PWM channel.
+ * @note    This function has to be invoked from a lock zone.
+ *
+ * @param[in] pwmp      pointer to a @p PWMDriver object
+ * @param[in] channel   PWM channel identifier
+ * @param[in] width     PWM pulse width as clock pulses number
+ */
+#define pwmEnableChannelI(pwmp, channel, width)                             \
+  pwm_lld_enable_channel(pwmp, channel, width)
+
+/**
+ * @brief Disables a PWM channel.
+ * @details The channel is disabled and its output line returned to the
+ *          idle state.
+ * @note    This function has to be invoked from a lock zone.
+ *
+ * @param[in] pwmp      pointer to a @p PWMDriver object
+ * @param[in] channel   PWM channel identifier
+ */
+#define pwmDisableChannelI(pwmp, channel)                                   \
+  pwm_lld_disable_channel(pwmp, channel)
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void pwmInit(void);
+  void pwmObjectInit(PWMDriver *pwmp);
+  void pwmStart(PWMDriver *pwmp, const PWMConfig *config);
+  void pwmStop(PWMDriver *pwmp);
+  void pwmEnableChannel(PWMDriver *pwmp,
+                        pwmchannel_t channel,
+                        pwmcnt_t width);
+  void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CH_HAL_USE_PWM */
+
+#endif /* _PWM_H_ */
+
+/** @} */