From 345e69346056fde8e9a806b03a71c1ad78e5784b Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 5 Nov 2009 09:53:48 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1267
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/io/adc.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 os/io/adc.h | 55 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 138 insertions(+)
 create mode 100644 os/io/adc.c
 create mode 100644 os/io/adc.h

(limited to 'os/io')

diff --git a/os/io/adc.c b/os/io/adc.c
new file mode 100644
index 000000000..8b4123bcd
--- /dev/null
+++ b/os/io/adc.c
@@ -0,0 +1,83 @@
+/*
+    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 adc.c
+ * @brief ADC Driver code.
+ * @addtogroup ADC
+ * @{
+ */
+
+#include <ch.h>
+#include <adc.h>
+
+/**
+ * @brief ADC Driver initialization.
+ */
+void adcInit(void) {
+
+  adc_lld_init();
+}
+
+/**
+ * @brief Initializes the standard part of a @p ADCDriver structure.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+void adcObjectInit(ADCDriver *adcp) {
+
+  adcp->adc_state = ADC_STOP;
+  adcp->adc_config = NULL;
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param config pointer to the @p ADCConfig object
+ */
+void adcStart(ADCDriver *adcp, const ADCConfig *config) {
+
+  chDbgCheck((adcp != NULL) && (config != NULL), "adcStart");
+  chDbgAssert((adcp->adc_state == ADC_STOP) || (adcp->adc_state == ADC_READY),
+              "adcStart(), #1",
+              "invalid state");
+
+  adcp->adc_config = config;
+  adc_lld_start(adcp);
+  adcp->adc_state = ADC_READY;
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+void adcStop(ADCDriver *adcp) {
+
+  chDbgCheck(adcp != NULL, "adcStop");
+  chDbgAssert((adcp->spd_state == ADC_STOP) || (adcp->spd_state == ADC_READY),
+              "adcStop(), #1",
+              "invalid state");
+
+  adc_lld_stop(adcp);
+  adcp->spd_state = ADC_STOP;
+}
+
+/** @} */
diff --git a/os/io/adc.h b/os/io/adc.h
new file mode 100644
index 000000000..628191c4f
--- /dev/null
+++ b/os/io/adc.h
@@ -0,0 +1,55 @@
+/*
+    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 adc.h
+ * @brief ADC Driver macros and structures.
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_H_
+#define _ADC_H_
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+  ADC_UNINIT = 0,                           /**< @brief Not initialized.    */
+  ADC_STOP = 1,                             /**< @brief Stopped.            */
+  ADC_READY = 2,                            /**< @brief Ready.              */
+  ADC_ACTIVE = 3                            /**< @brief Conversion running. */
+} adcstate_t;
+
+#include "adc_lld.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void adcInit(void);
+  void adcObjectInit(ADCDriver *adcp);
+  void adcStart(ADCDriver *adcp, const ADCDriver *config);
+  void adcStop(ADCDriver *adcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ADC_H_ */
+
+/** @} */
-- 
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