From 0b8fd860fa71b35bfe0a242471d3bc4b56c93089 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 7 Dec 2009 16:13:01 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1381
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 os/hal/src/pwm.c

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
new file mode 100644
index 000000000..ef4260629
--- /dev/null
+++ b/os/hal/src/pwm.c
@@ -0,0 +1,150 @@
+/*
+    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.c
+ * @brief PWM Driver code.
+ * @addtogroup PWM
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+/**
+ * @brief PWM Driver initialization.
+ */
+void pwmInit(void) {
+
+  pwm_lld_init();
+}
+
+/**
+ * @brief Initializes the standard part of a @p PWMDriver structure.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ */
+void pwmObjectInit(PWMDriver *pwmp) {
+
+  pwmp->pd_state    = PWM_STOP;
+  pwmp->pwm_config   = NULL;
+}
+
+/**
+ * @brief Configures and activates the PWM peripheral.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] config    pointer to the @p PWMConfig object
+ */
+void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
+
+  chDbgCheck((pwmp != NULL) && (config != NULL), "pwmStart");
+
+  chSysLock();
+  chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
+              "pwmStart(), #1",
+              "invalid state");
+  pwmp->pd_config = config;
+  pwm_lld_start(pwmp);
+  pwmp->pd_state = PWM_READY;
+  chSysUnlock();
+}
+
+/**
+ * @brief Deactivates the PWM peripheral.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ */
+void pwmStop(PWMDriver *pwmp) {
+
+  chDbgCheck(pwmp != NULL, "pwmStop");
+
+  chSysLock();
+  chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
+              "pwmStop(), #1",
+              "invalid state");
+  pwm_lld_stop(pwmp);
+  pwmp->pd_state = PWM_STOP;
+  chSysUnlock();
+}
+
+/**
+ * @brief Enables a callback mode for the specified PWM channel.
+ * @details The callback mode must be set before starting a PWM channel.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] channel   PWM channel identifier
+ * @param[in] edge      output edge mode
+ * @param[in] callback  the callback function
+ */
+void pwmSetCallback(PWMDriver *pwmp, pwmchannel_t channel,
+                    pwmedge_t edge, pwmcallback_t callback) {
+
+  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
+             "pwmSetCallback");
+
+  chSysLock();
+  chDbgAssert((pwmp->pd_state == PWM_READY) &&
+              !pwm_lld_is_enabled(pwmp, channel),
+              "pwmSetCallback(), #1", "invalid state");
+  pwm_lld_set_callback(pwmp, channel, edge, callback);
+  chSysUnlock();
+}
+
+/**
+ * @brief Enables a PWM channel.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] channel   PWM channel identifier
+ * @param[in] width     PWM pulse width as clock pulses number
+ */
+void pwmEnableChannel(PWMDriver *pwmp,
+                      pwmchannel_t channel,
+                      pwmcnt_t width) {
+
+  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
+             "pwmEnableChannel");
+
+  chSysLock();
+  chDbgAssert(pwmp->pd_state == PWM_READY,
+              "pwmEnableChannel(), #1", "invalid state");
+  pwm_lld_enable_channel(pwmp, channel, width);
+  chSysUnlock();
+}
+
+/**
+ * @brief Disables a PWM channel.
+ * @details The channel output line is returned to its idle state and disabled.
+ *
+ * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] channel   PWM channel identifier
+ */
+void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
+
+  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
+             "pwmEnableChannel");
+
+  chSysLock();
+  chDbgAssert(pwmp->pd_state == PWM_READY,
+              "pwmDisableChannel(), #1", "invalid state");
+  pwm_lld_disable_channel(pwmp, channel);
+  chSysUnlock();
+}
+
+/** @} */
-- 
cgit v1.2.3


From 3b4b79d9bbaa2985d24cb94fd9833dbdabbddd79 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 8 Dec 2009 07:42:49 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1383
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ef4260629..f026a62ef 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -43,7 +43,7 @@ void pwmInit(void) {
 void pwmObjectInit(PWMDriver *pwmp) {
 
   pwmp->pd_state    = PWM_STOP;
-  pwmp->pwm_config   = NULL;
+  pwmp->pd_config   = NULL;
 }
 
 /**
@@ -130,7 +130,8 @@ void pwmEnableChannel(PWMDriver *pwmp,
 
 /**
  * @brief Disables a PWM channel.
- * @details The channel output line is returned to its idle state and disabled.
+ * @details The channel is disabled and its output line returned to the
+ *          idle state.
  *
  * @param[in] pwmp      pointer to the @p PWMDriver object
  * @param[in] channel   PWM channel identifier
-- 
cgit v1.2.3


From 3ff9afd04851ec97d66d6833520b49dc18f35ea4 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 8 Dec 2009 08:47:14 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1389
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index f026a62ef..0e4062124 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -27,6 +27,8 @@
 #include "ch.h"
 #include "hal.h"
 
+#if CH_HAL_USE_PWM || defined(__DOXYGEN__)
+
 /**
  * @brief PWM Driver initialization.
  */
@@ -148,4 +150,6 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
   chSysUnlock();
 }
 
+#endif /* CH_HAL_USE_PWM */
+
 /** @} */
-- 
cgit v1.2.3


From 6716159ba1186d9360d80b4b2313b3a047055295 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 13 Dec 2009 13:37:06 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1423
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 0e4062124..ddae89d45 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -40,7 +40,7 @@ void pwmInit(void) {
 /**
  * @brief Initializes the standard part of a @p PWMDriver structure.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] pwmp      pointer to a @p PWMDriver object
  */
 void pwmObjectInit(PWMDriver *pwmp) {
 
@@ -51,8 +51,8 @@ void pwmObjectInit(PWMDriver *pwmp) {
 /**
  * @brief Configures and activates the PWM peripheral.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
- * @param[in] config    pointer to the @p PWMConfig object
+ * @param[in] pwmp      pointer to a @p PWMDriver object
+ * @param[in] config    pointer to a @p PWMConfig object
  */
 void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
 
@@ -71,7 +71,7 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
 /**
  * @brief Deactivates the PWM peripheral.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] pwmp      pointer to a @p PWMDriver object
  */
 void pwmStop(PWMDriver *pwmp) {
 
@@ -87,32 +87,31 @@ void pwmStop(PWMDriver *pwmp) {
 }
 
 /**
- * @brief Enables a callback mode for the specified PWM channel.
- * @details The callback mode must be set before starting a PWM channel.
+ * @brief Setups a PWM channel.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
- * @param[in] edge      output edge mode
- * @param[in] callback  the callback function
+ * @param[in] pccp      pointer to a @p PWMChannelConfig object
  */
-void pwmSetCallback(PWMDriver *pwmp, pwmchannel_t channel,
-                    pwmedge_t edge, pwmcallback_t callback) {
+void pwmSetupChannel(PWMDriver *pwmp, pwmchannel_t channel,
+                     const PWMChannelConfig *pccp) {
 
-  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
-             "pwmSetCallback");
+  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS) && (pccp != NULL),
+             "pwmSetupChannel");
 
   chSysLock();
   chDbgAssert((pwmp->pd_state == PWM_READY) &&
               !pwm_lld_is_enabled(pwmp, channel),
-              "pwmSetCallback(), #1", "invalid state");
-  pwm_lld_set_callback(pwmp, channel, edge, callback);
+              "pwmSetupChannel(), #1", "invalid state");
+  pwmp->pd_channel_configs[channel] = pccp;
+  pwm_lld_setup_channel(pwmp, channel);
   chSysUnlock();
 }
 
 /**
  * @brief Enables a PWM channel.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @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
  */
@@ -135,7 +134,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
  * @details The channel is disabled and its output line returned to the
  *          idle state.
  *
- * @param[in] pwmp      pointer to the @p PWMDriver object
+ * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
  */
 void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
-- 
cgit v1.2.3


From 494cd0f0953d131bb31dcda508abfbd4eaef9899 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Wed, 16 Dec 2009 15:48:50 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1425
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ddae89d45..ad3c15728 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -88,6 +88,9 @@ void pwmStop(PWMDriver *pwmp) {
 
 /**
  * @brief Setups a PWM channel.
+ * @details Associates a configuration to a PWM channel, this operation is
+ *          required before a channel can be enabled using
+ *          @p pwmEnableChannel().
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
@@ -123,7 +126,8 @@ void pwmEnableChannel(PWMDriver *pwmp,
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert(pwmp->pd_state == PWM_READY,
+  chDbgAssert((pwmp->pd_state == PWM_READY) &&
+              (pwmp->pd_channel_configs[channel] != NULL),
               "pwmEnableChannel(), #1", "invalid state");
   pwm_lld_enable_channel(pwmp, channel, width);
   chSysUnlock();
@@ -143,7 +147,8 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert(pwmp->pd_state == PWM_READY,
+  chDbgAssert((pwmp->pd_state == PWM_READY) &&
+              (pwmp->pd_channel_configs[channel] != NULL),
               "pwmDisableChannel(), #1", "invalid state");
   pwm_lld_disable_channel(pwmp, channel);
   chSysUnlock();
-- 
cgit v1.2.3


From a8863f265d188eb769257788beba012f672c909d Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 17 Dec 2009 15:40:32 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1426
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 31 ++-----------------------------
 1 file changed, 2 insertions(+), 29 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ad3c15728..f6164ea35 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -86,31 +86,6 @@ void pwmStop(PWMDriver *pwmp) {
   chSysUnlock();
 }
 
-/**
- * @brief Setups a PWM channel.
- * @details Associates a configuration to a PWM channel, this operation is
- *          required before a channel can be enabled using
- *          @p pwmEnableChannel().
- *
- * @param[in] pwmp      pointer to a @p PWMDriver object
- * @param[in] channel   PWM channel identifier
- * @param[in] pccp      pointer to a @p PWMChannelConfig object
- */
-void pwmSetupChannel(PWMDriver *pwmp, pwmchannel_t channel,
-                     const PWMChannelConfig *pccp) {
-
-  chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS) && (pccp != NULL),
-             "pwmSetupChannel");
-
-  chSysLock();
-  chDbgAssert((pwmp->pd_state == PWM_READY) &&
-              !pwm_lld_is_enabled(pwmp, channel),
-              "pwmSetupChannel(), #1", "invalid state");
-  pwmp->pd_channel_configs[channel] = pccp;
-  pwm_lld_setup_channel(pwmp, channel);
-  chSysUnlock();
-}
-
 /**
  * @brief Enables a PWM channel.
  *
@@ -126,8 +101,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert((pwmp->pd_state == PWM_READY) &&
-              (pwmp->pd_channel_configs[channel] != NULL),
+  chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmEnableChannel(), #1", "invalid state");
   pwm_lld_enable_channel(pwmp, channel, width);
   chSysUnlock();
@@ -147,8 +121,7 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert((pwmp->pd_state == PWM_READY) &&
-              (pwmp->pd_channel_configs[channel] != NULL),
+  chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmDisableChannel(), #1", "invalid state");
   pwm_lld_disable_channel(pwmp, channel);
   chSysUnlock();
-- 
cgit v1.2.3


From fe24da9fcca4967e58b25a2698c46717995de0ad Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 29 Dec 2009 11:12:05 +0000
Subject: Reorganized sections in HAL files.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1473 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index f6164ea35..404f3d8a7 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -29,6 +29,22 @@
 
 #if CH_HAL_USE_PWM || defined(__DOXYGEN__)
 
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
 /**
  * @brief PWM Driver initialization.
  */
-- 
cgit v1.2.3


From e3c7dc319ff582f9eb4a593950ac7bedb1d38b77 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 6 Feb 2010 16:17:30 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1571
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 404f3d8a7..ddfb6dd83 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -18,8 +18,8 @@
 */
 
 /**
- * @file PWM.c
- * @brief PWM Driver code.
+ * @file    pwm.c
+ * @brief   PWM Driver code.
  * @addtogroup PWM
  * @{
  */
@@ -46,7 +46,7 @@
 /*===========================================================================*/
 
 /**
- * @brief PWM Driver initialization.
+ * @brief   PWM Driver initialization.
  */
 void pwmInit(void) {
 
@@ -54,7 +54,7 @@ void pwmInit(void) {
 }
 
 /**
- * @brief Initializes the standard part of a @p PWMDriver structure.
+ * @brief   Initializes the standard part of a @p PWMDriver structure.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  */
@@ -65,7 +65,7 @@ void pwmObjectInit(PWMDriver *pwmp) {
 }
 
 /**
- * @brief Configures and activates the PWM peripheral.
+ * @brief   Configures and activates the PWM peripheral.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] config    pointer to a @p PWMConfig object
@@ -85,7 +85,7 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
 }
 
 /**
- * @brief Deactivates the PWM peripheral.
+ * @brief   Deactivates the PWM peripheral.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  */
@@ -103,7 +103,7 @@ void pwmStop(PWMDriver *pwmp) {
 }
 
 /**
- * @brief Enables a PWM channel.
+ * @brief   Enables a PWM channel.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
-- 
cgit v1.2.3


From 157b6f9695e7f72f2d54b231c19cb4045710ed01 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 21 Feb 2010 07:24:53 +0000
Subject: Updated license dates.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1646 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ddfb6dd83..3aeec1309 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -1,5 +1,5 @@
 /*
-    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
 
     This file is part of ChibiOS/RT.
 
@@ -104,10 +104,10 @@ void pwmStop(PWMDriver *pwmp) {
 
 /**
  * @brief   Enables a PWM channel.
- *
+ *
  * @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
+ * @param[in] channel   PWM channel identifier
+ * @param[in] width     PWM pulse width as clock pulses number
  */
 void pwmEnableChannel(PWMDriver *pwmp,
                       pwmchannel_t channel,
@@ -127,7 +127,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
  * @brief Disables a PWM channel.
  * @details The channel is disabled and its output line returned to the
  *          idle state.
- *
+ *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
  */
-- 
cgit v1.2.3


From 04e29829b64a64a405125595dc371bd731766c68 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 5 Aug 2010 10:30:37 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2114
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 3aeec1309..4b797da0c 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -20,6 +20,7 @@
 /**
  * @file    pwm.c
  * @brief   PWM Driver code.
+ *
  * @addtogroup PWM
  * @{
  */
@@ -104,6 +105,7 @@ void pwmStop(PWMDriver *pwmp) {
 
 /**
  * @brief   Enables a PWM channel.
+ * @details Programs (or reprograms) a PWM channel.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
-- 
cgit v1.2.3


From 2891f7d645c4be187ac96ee4011207531d25c34a Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 4 Oct 2010 17:16:18 +0000
Subject: Documentation improvements, fixed a small error in the STM32 serial
 driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2234 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 4b797da0c..f4af775e3 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -48,6 +48,8 @@
 
 /**
  * @brief   PWM Driver initialization.
+ *
+ * @init
  */
 void pwmInit(void) {
 
@@ -58,6 +60,8 @@ void pwmInit(void) {
  * @brief   Initializes the standard part of a @p PWMDriver structure.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
+ *
+ * @init
  */
 void pwmObjectInit(PWMDriver *pwmp) {
 
@@ -70,6 +74,8 @@ void pwmObjectInit(PWMDriver *pwmp) {
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] config    pointer to a @p PWMConfig object
+ *
+ * @api
  */
 void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
 
@@ -89,6 +95,8 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
  * @brief   Deactivates the PWM peripheral.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
+ *
+ * @api
  */
 void pwmStop(PWMDriver *pwmp) {
 
@@ -110,6 +118,8 @@ void pwmStop(PWMDriver *pwmp) {
  * @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
+ *
+ * @api
  */
 void pwmEnableChannel(PWMDriver *pwmp,
                       pwmchannel_t channel,
@@ -132,6 +142,8 @@ void pwmEnableChannel(PWMDriver *pwmp,
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier
+ *
+ * @api
  */
 void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
 
-- 
cgit v1.2.3


From 7c2a8e13d969029fb675e67c57349c1deaa09284 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 11 Oct 2010 11:48:03 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2246
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index f4af775e3..978149ff6 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -67,6 +67,9 @@ void pwmObjectInit(PWMDriver *pwmp) {
 
   pwmp->pd_state    = PWM_STOP;
   pwmp->pd_config   = NULL;
+#if defined(PWM_DRIVER_EXT_INIT_HOOK)
+  PWM_DRIVER_EXT_INIT_HOOK(pwmp);
+#endif
 }
 
 /**
-- 
cgit v1.2.3


From 4fab7c06d1b0c9e61f6106b5b2a5c2c0b5694c34 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Wed, 13 Oct 2010 11:45:07 +0000
Subject: ADC, SPI, PWM driver enhancements.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2254 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 978149ff6..13c77bfc6 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -86,8 +86,7 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
 
   chSysLock();
   chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
-              "pwmStart(), #1",
-              "invalid state");
+              "pwmStart(), #1", "invalid state");
   pwmp->pd_config = config;
   pwm_lld_start(pwmp);
   pwmp->pd_state = PWM_READY;
@@ -107,8 +106,7 @@ void pwmStop(PWMDriver *pwmp) {
 
   chSysLock();
   chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
-              "pwmStop(), #1",
-              "invalid state");
+              "pwmStop(), #1", "invalid state");
   pwm_lld_stop(pwmp);
   pwmp->pd_state = PWM_STOP;
   chSysUnlock();
@@ -133,7 +131,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
 
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
-              "pwmEnableChannel(), #1", "invalid state");
+              "pwmEnableChannel(), #1", "not ready");
   pwm_lld_enable_channel(pwmp, channel, width);
   chSysUnlock();
 }
@@ -155,7 +153,7 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
 
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
-              "pwmDisableChannel(), #1", "invalid state");
+              "pwmDisableChannel(), #1", "not ready");
   pwm_lld_disable_channel(pwmp, channel);
   chSysUnlock();
 }
-- 
cgit v1.2.3


From d8be44136c1e6d02ee105ac0791f9e6732551fec Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 1 Nov 2010 17:29:56 +0000
Subject: Fixed bug 3100946, renamed HAL switches removing the CH_ part.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2326 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 13c77bfc6..95c3f4750 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -28,7 +28,7 @@
 #include "ch.h"
 #include "hal.h"
 
-#if CH_HAL_USE_PWM || defined(__DOXYGEN__)
+#if HAL_USE_PWM || defined(__DOXYGEN__)
 
 /*===========================================================================*/
 /* Driver exported variables.                                                */
@@ -158,6 +158,6 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
   chSysUnlock();
 }
 
-#endif /* CH_HAL_USE_PWM */
+#endif /* HAL_USE_PWM */
 
 /** @} */
-- 
cgit v1.2.3


From a2e1f71fc25c29620af68246125f81151f80f733 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 21 Nov 2010 08:55:48 +0000
Subject: Documentation related improvements.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2403 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 95c3f4750..79cc73b30 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -117,7 +117,7 @@ void pwmStop(PWMDriver *pwmp) {
  * @details Programs (or reprograms) a PWM channel.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
- * @param[in] channel   PWM channel identifier
+ * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1])
  * @param[in] width     PWM pulse width as clock pulses number
  *
  * @api
@@ -142,7 +142,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
  *          idle state.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
- * @param[in] channel   PWM channel identifier
+ * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1])
  *
  * @api
  */
-- 
cgit v1.2.3


From 32e43fdb02ddb7582866c29dad5e6c87f3315605 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 21 Nov 2010 13:45:22 +0000
Subject: Fixed bug 3114481.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2409 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 79cc73b30..ecf9eba3f 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -117,8 +117,9 @@ void pwmStop(PWMDriver *pwmp) {
  * @details Programs (or reprograms) a PWM channel.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
- * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1])
- * @param[in] width     PWM pulse width as clock pulses number
+ * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1)
+ * @param[in] width     PWM pulse width as clock pulses number, setting the
+ *                      width at zero is equivalent to disabling the channel
  *
  * @api
  */
@@ -132,17 +133,17 @@ void pwmEnableChannel(PWMDriver *pwmp,
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmEnableChannel(), #1", "not ready");
-  pwm_lld_enable_channel(pwmp, channel, width);
+  pwm_lld_set_channel(pwmp, channel, width);
   chSysUnlock();
 }
 
 /**
- * @brief Disables a PWM channel.
+ * @brief   Disables a PWM channel.
  * @details The channel is disabled and its output line returned to the
  *          idle state.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
- * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1])
+ * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1)
  *
  * @api
  */
@@ -154,7 +155,7 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmDisableChannel(), #1", "not ready");
-  pwm_lld_disable_channel(pwmp, channel);
+  pwm_lld_set_channel(pwmp, channel, 0);
   chSysUnlock();
 }
 
-- 
cgit v1.2.3


From 955425572d170dc100034ce991911854bf600a30 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 21 Nov 2010 21:31:35 +0000
Subject: Had to go back...

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2416 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ecf9eba3f..ec5bd65be 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -118,8 +118,7 @@ void pwmStop(PWMDriver *pwmp) {
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1)
- * @param[in] width     PWM pulse width as clock pulses number, setting the
- *                      width at zero is equivalent to disabling the channel
+ * @param[in] width     PWM pulse width as clock pulses number
  *
  * @api
  */
@@ -133,7 +132,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmEnableChannel(), #1", "not ready");
-  pwm_lld_set_channel(pwmp, channel, width);
+  pwm_lld_enable_channel(pwmp, channel, width);
   chSysUnlock();
 }
 
@@ -155,7 +154,7 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
   chSysLock();
   chDbgAssert(pwmp->pd_state == PWM_READY,
               "pwmDisableChannel(), #1", "not ready");
-  pwm_lld_set_channel(pwmp, channel, 0);
+  pwm_lld_disable_channel(pwmp, channel);
   chSysUnlock();
 }
 
-- 
cgit v1.2.3


From 7aa43aee7029b232c558174bcbdf90e8fbebd57b Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 18 Dec 2010 08:31:56 +0000
Subject: Documentation improvements.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2490 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ec5bd65be..8a009e3b5 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -48,6 +48,8 @@
 
 /**
  * @brief   PWM Driver initialization.
+ * @note    This function is implicitly invoked by @p halInit(), there is
+ *          no need to explicitly initialize the driver.
  *
  * @init
  */
-- 
cgit v1.2.3


From 24cb881726f09c6bccba471b40bde76dc27036c7 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 4 Jan 2011 15:08:29 +0000
Subject: Documentation related fixes.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2580 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 8a009e3b5..cf619e508 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -61,7 +61,7 @@ void pwmInit(void) {
 /**
  * @brief   Initializes the standard part of a @p PWMDriver structure.
  *
- * @param[in] pwmp      pointer to a @p PWMDriver object
+ * @param[out] pwmp     pointer to a @p PWMDriver object
  *
  * @init
  */
-- 
cgit v1.2.3


From 18fb8f676f0f650d83f69bc29ab45b04b73e86c1 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 8 Mar 2011 10:09:57 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2808
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index cf619e508..40ad7428d 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -67,8 +67,8 @@ void pwmInit(void) {
  */
 void pwmObjectInit(PWMDriver *pwmp) {
 
-  pwmp->pd_state    = PWM_STOP;
-  pwmp->pd_config   = NULL;
+  pwmp->state    = PWM_STOP;
+  pwmp->config   = NULL;
 #if defined(PWM_DRIVER_EXT_INIT_HOOK)
   PWM_DRIVER_EXT_INIT_HOOK(pwmp);
 #endif
@@ -87,11 +87,11 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
   chDbgCheck((pwmp != NULL) && (config != NULL), "pwmStart");
 
   chSysLock();
-  chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
+  chDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
               "pwmStart(), #1", "invalid state");
-  pwmp->pd_config = config;
+  pwmp->config = config;
   pwm_lld_start(pwmp);
-  pwmp->pd_state = PWM_READY;
+  pwmp->state = PWM_READY;
   chSysUnlock();
 }
 
@@ -107,10 +107,10 @@ void pwmStop(PWMDriver *pwmp) {
   chDbgCheck(pwmp != NULL, "pwmStop");
 
   chSysLock();
-  chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
+  chDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
               "pwmStop(), #1", "invalid state");
   pwm_lld_stop(pwmp);
-  pwmp->pd_state = PWM_STOP;
+  pwmp->state = PWM_STOP;
   chSysUnlock();
 }
 
@@ -132,7 +132,7 @@ void pwmEnableChannel(PWMDriver *pwmp,
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert(pwmp->pd_state == PWM_READY,
+  chDbgAssert(pwmp->state == PWM_READY,
               "pwmEnableChannel(), #1", "not ready");
   pwm_lld_enable_channel(pwmp, channel, width);
   chSysUnlock();
@@ -154,7 +154,7 @@ void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
              "pwmEnableChannel");
 
   chSysLock();
-  chDbgAssert(pwmp->pd_state == PWM_READY,
+  chDbgAssert(pwmp->state == PWM_READY,
               "pwmDisableChannel(), #1", "not ready");
   pwm_lld_disable_channel(pwmp, channel);
   chSysUnlock();
-- 
cgit v1.2.3


From e7e79a6ccb4f3e320b2b8b7bad1b14d65218641d Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 18 Mar 2011 18:38:08 +0000
Subject: License updated.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2827 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 40ad7428d..e510ba180 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -1,5 +1,6 @@
 /*
-    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011 Giovanni Di Sirio.
 
     This file is part of ChibiOS/RT.
 
-- 
cgit v1.2.3


From a58a524d4c7e58d03a0fa3698f09fb17985a70bc Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 31 Mar 2011 10:21:52 +0000
Subject: Improvements to the PWM driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2853 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 43 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index e510ba180..eaa49bc56 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -77,6 +77,8 @@ void pwmObjectInit(PWMDriver *pwmp) {
 
 /**
  * @brief   Configures and activates the PWM peripheral.
+ * @note    Starting a driver that is already in the @p PWM_READY state
+ *          disables all the active channels.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] config    pointer to a @p PWMConfig object
@@ -91,6 +93,7 @@ void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
   chDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
               "pwmStart(), #1", "invalid state");
   pwmp->config = config;
+  pwmp->period = config->period;
   pwm_lld_start(pwmp);
   pwmp->state = PWM_READY;
   chSysUnlock();
@@ -115,9 +118,41 @@ void pwmStop(PWMDriver *pwmp) {
   chSysUnlock();
 }
 
+/**
+ * @brief   Changes the period the PWM peripheral.
+ * @details This function changes the period of a PWM unit that has already
+ *          been activated using @p pwmStart().
+ * @pre     The PWM unit must have been activated using @p pwmStart().
+ * @post    The PWM unit period is changed to the new value.
+ * @post    Any active channel is disabled by this function and must be
+ *          activated explicitly using @p pwmEnableChannel().
+ * @note    Depending on the hardware implementation this function has
+ *          effect starting on the next cycle (recommended implementation)
+ *          or immediately (fallback implementation).
+ *
+ * @param[in] pwmp      pointer to a @p PWMDriver object
+ *
+ * @api
+ */
+void pwmChangePeriod(PWMDriver *pwmp, pwmcnt_t period) {
+
+  chDbgCheck(pwmp != NULL, "pwmChangePeriod");
+
+  chSysLock();
+  chDbgAssert(pwmp->state == PWM_READY,
+              "pwmChangePeriod(), #1", "invalid state");
+  pwmp->period = period;
+  pwm_lld_change_period(pwmp, period);
+  chSysUnlock();
+}
+
 /**
  * @brief   Enables a PWM channel.
- * @details Programs (or reprograms) a PWM channel.
+ * @pre     The PWM unit must have been activated using @p pwmStart().
+ * @post    The channel is active using the specified configuration.
+ * @note    Depending on the hardware implementation this function has
+ *          effect starting on the next cycle (recommended implementation)
+ *          or immediately (fallback implementation).
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1)
@@ -141,8 +176,12 @@ void pwmEnableChannel(PWMDriver *pwmp,
 
 /**
  * @brief   Disables a PWM channel.
- * @details The channel is disabled and its output line returned to the
+ * @pre     The PWM unit must have been activated using @p pwmStart().
+ * @post    The channel is disabled and its output line returned to the
  *          idle state.
+ * @note    Depending on the hardware implementation this function has
+ *          effect starting on the next cycle (recommended implementation)
+ *          or immediately (fallback implementation).
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] channel   PWM channel identifier (0...PWM_CHANNELS-1)
-- 
cgit v1.2.3


From 01b0220ffa200db034b0be6b0f464ec3344e3c15 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 1 Apr 2011 13:14:47 +0000
Subject: Documentation related fixes.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2862 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index eaa49bc56..ed80ec24b 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -131,6 +131,7 @@ void pwmStop(PWMDriver *pwmp) {
  *          or immediately (fallback implementation).
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
+ * @param[in] period    new cycle time in ticks
  *
  * @api
  */
-- 
cgit v1.2.3


From ad009f46d58f4f555cd412aa2f2a267da01db4e0 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 5 Apr 2011 18:21:00 +0000
Subject: STM32 PWM driver optimization, changed the behavior of
 pwmChangePeriod().

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2869 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index ed80ec24b..e7dd6b64c 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -124,11 +124,9 @@ void pwmStop(PWMDriver *pwmp) {
  *          been activated using @p pwmStart().
  * @pre     The PWM unit must have been activated using @p pwmStart().
  * @post    The PWM unit period is changed to the new value.
- * @post    Any active channel is disabled by this function and must be
- *          activated explicitly using @p pwmEnableChannel().
- * @note    Depending on the hardware implementation this function has
- *          effect starting on the next cycle (recommended implementation)
- *          or immediately (fallback implementation).
+ * @note    If a period is specified that is shorter than the pulse width
+ *          programmed in one of the channels then the behavior is not
+ *          guaranteed.
  *
  * @param[in] pwmp      pointer to a @p PWMDriver object
  * @param[in] period    new cycle time in ticks
@@ -142,8 +140,7 @@ void pwmChangePeriod(PWMDriver *pwmp, pwmcnt_t period) {
   chSysLock();
   chDbgAssert(pwmp->state == PWM_READY,
               "pwmChangePeriod(), #1", "invalid state");
-  pwmp->period = period;
-  pwm_lld_change_period(pwmp, period);
+  pwmChangePeriodI(pwmp, period);
   chSysUnlock();
 }
 
-- 
cgit v1.2.3


From fe0093f795b6c88db8f12e2f7e45e11355fc3340 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 26 Aug 2011 13:47:22 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3254
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/src/pwm.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index e7dd6b64c..588b3df5c 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -31,6 +31,10 @@
 
 #if HAL_USE_PWM || defined(__DOXYGEN__)
 
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
 /*===========================================================================*/
 /* Driver exported variables.                                                */
 /*===========================================================================*/
-- 
cgit v1.2.3


From de5dcbba856524599a8f06d3a9bdbf1b01db44c2 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 21 Jan 2012 14:29:42 +0000
Subject: License text updated with new year.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3846 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 588b3df5c..6e67d5407 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -1,6 +1,6 @@
 /*
     ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
-                 2011 Giovanni Di Sirio.
+                 2011,2012 Giovanni Di Sirio.
 
     This file is part of ChibiOS/RT.
 
-- 
cgit v1.2.3


From 184a71345c6a36a9a8664eda8fbcc3ea728267a8 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 2 Feb 2013 10:58:09 +0000
Subject: Updated license years.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5102 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index 6e67d5407..b865955c6 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -1,6 +1,6 @@
 /*
     ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
-                 2011,2012 Giovanni Di Sirio.
+                 2011,2012,2013 Giovanni Di Sirio.
 
     This file is part of ChibiOS/RT.
 
-- 
cgit v1.2.3


From 01f971ba1d63d8568789adf51cde22fb35f69e73 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 28 Feb 2013 16:23:19 +0000
Subject: Adjusted C file templates.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5339 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/src/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os/hal/src/pwm.c')

diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c
index b865955c6..c6843a928 100644
--- a/os/hal/src/pwm.c
+++ b/os/hal/src/pwm.c
@@ -40,7 +40,7 @@
 /*===========================================================================*/
 
 /*===========================================================================*/
-/* Driver local variables.                                                   */
+/* Driver local variables and types.                                         */
 /*===========================================================================*/
 
 /*===========================================================================*/
-- 
cgit v1.2.3