first add sdk

component/common/mbed/hal/analogout_api.h

@@ -0,0 +1,96 @@
+/** mbed Microcontroller Library
+ ******************************************************************************
+ * @file    analogout_api.h
+ * @author 
+ * @version V1.0.0
+ * @brief   This file provides following mbed Analog_out API
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ANALOGOUT_API_H
+#define MBED_ANALOGOUT_API_H
+
+#include "device.h"
+
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @addtogroup analog_out ANALOG_OUT
+ *  @ingroup    hal
+ *  @brief      analog_out functions
+ *  @{
+ */
+
+#if CONFIG_PLATFORM_8195A
+///@name Ameba1 Only 
+///@{
+
+typedef struct dac_s dac_t;
+
+
+/** 
+ * @brief  Initialize DAC 
+ * @param  obj: dac object define in application software.
+ * @param  pin: dac PinName according to pinmux spec.
+ * @retval none  
+ */
+void analogout_init(dac_t *obj, PinName pin);
+
+/** 
+ * @brief  Free DAC
+ * @param  obj: dac object define in application software.
+ * @retval none  
+ */
+void analogout_free(dac_t *obj);
+
+/** 
+ * @brief Execute analog output   
+ * @para obj: dac object define in application software.
+ * @para value: analog ratio value, should be transfered to register value.
+ * @retval none  
+ * @note This function is mainly to execute analog output and the value is a ratio.
+ *       The upper/lower bound of DAC register input value is defined by 
+ *       DAC_XXXXX_FULL_SCALE. The parameter "value" of this function should be 
+ *       transfered to register value.
+ */
+void analogout_write(dac_t *obj, float value);
+
+/** 
+ * @brief Execute analog output 16bit
+ * @para obj: dac object define in application software.
+ * @para value: analog ratio value, should be transfered to register value.
+ * @retval none  
+ * @note The register value of DAC input is a format of 2's complement.
+ *       The most maximum value of positive value drives DAC to output a voltage about 3.3V.
+ *       The most mimimum value of negative value drives DAC to output a voltage about 0.
+ *       And the middle value of 0x000 will drive DAC to output a voltage of half of max voltage.
+ */
+void analogout_write_u16(dac_t *obj, uint16_t value);
+
+///@}
+#endif //CONFIG_PLATFORM_8195A
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif//MBED_ANALOGOUT_API_H