1 files changed, 87 insertions, 0 deletions
diff --git a/os/hal/include/pwm.h b/os/hal/include/pwm.h
new file mode 100644
index 000000000..dfc55d30c
--- /dev/null
+++ b/os/hal/include/pwm.h
@@ -0,0 +1,87 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 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 pwm.h
+ * @brief PWM Driver macros and structures.
+ * @addtogroup PWM
+ * @{
+ */
+
+#ifndef _PWM_H_
+#define _PWM_H_
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+  PWM_UNINIT = 0,                       /**< @brief Not initialized.        */
+  PWM_STOP = 1,                         /**< @brief Stopped.                */
+  PWM_READY = 2,                        /**< @brief Ready.                  */
+} pwmstate_t;
+
+/**
+ * @brief PWM edge for callbacks.
+ */
+typedef enum {
+  PWM_NONE = 0,                         /**< @brief No callback.            */
+  PWM_TO_ACTIVE_EDGE = 1,               /**< @brief Enable on idle->active. */
+  PWM_TO_IDLE_EDGE = 2,                 /**< @brief Enable on active->idle. */
+  PWM_BOTH_EDGES = 3                    /**< @brief Enable on both edges.   */
+} pwmedge_t;
+
+/**
+ * @brief PWM logic mode.
+ */
+typedef enum {
+  PWM_ACTIVE_LOW = 0,                   /**< @brief Idle is logic level 1.  */
+  PWM_ACTIVE_HIGH = 1                   /**< @brief Idle is logic level 0.  */
+} pwmmode_t;
+
+/**
+ * @brief PWM notification callback type.
+ *
+ * @param[in] active    current channel output state
+ */
+typedef void (*pwmcallback_t)(bool_t active);
+
+#include "pwm_lld.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void pwmInit(void);
+  void pwmObjectInit(PWMDriver *pwmp);
+  void pwmStart(PWMDriver *pwmp, const PWMConfig *config);
+  void pwmStop(PWMDriver *pwmp);
+  void pwmSetCallback(PWMDriver *pwmp,
+                      pwmchannel_t channel,
+                      pwmedge_t edge,
+                      pwmcallback_t callback);
+  void pwmEnableChannel(PWMDriver *pwmp,
+                        pwmchannel_t channel,
+                        pwmcnt_t width);
+  void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PWM_H_ */
+
+/** @} */