1 files changed, 105 insertions, 0 deletions
diff --git a/include/gaudin/lld/gaudin_lld.h b/include/gaudin/lld/gaudin_lld.h
new file mode 100644
index 00000000..2b2db86e
--- /dev/null
+++ b/include/gaudin/lld/gaudin_lld.h
@@ -0,0 +1,105 @@
+/*
+    ChibiOS/GFX - Copyright (C) 2012, 2013
+                 Joel Bodenmann aka Tectu <joel@unormal.org>
+
+    This file is part of ChibiOS/GFX.
+
+    ChibiOS/GFX 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/GFX 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    include/gaudin/lld/gaudin_lld.h
+ * @brief   GAUDIN - Audio Input driver header file.
+ *
+ * @defgroup Driver Driver
+ * @ingroup GAUDIN
+ * @{
+ */
+
+#ifndef _GAUDIN_LLD_H
+#define _GAUDIN_LLD_H
+
+#include "gfx.h"
+
+#if GFX_USE_GADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Type definitions                                                          */
+/*===========================================================================*/
+
+/**
+ * @brief				The structure passed to start a audio conversion
+ * @note				We use the structure instead of parameters purely to save
+ * 						interrupt stack space which is very limited in some platforms.
+ * @{
+ */
+typedef struct gaudin_params_t {
+	uint16_t		channel;
+	uint32_t		frequency;
+	audin_sample_t	*buffer;
+	size_t			bufcount;
+	size_t			samplesPerEvent;
+	} gaudin_params;
+/* @} */
+
+/**
+ * @brief				These routines are the callbacks that the driver uses.
+ * @details				Defined in the high level GAUDIN code.
+ *
+ * @icode
+ * @notapi
+ * @{
+ */
+extern void GAUDIN_ISR_CompleteI(audin_sample_t *buffer, size_t n);
+extern void GAUDIN_ISR_ErrorI(void);
+/**
+ * @}
+ */
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief				Initialise the driver
+ *
+ * @api
+ */
+void gaudin_lld_init(const gaudin_params *paud);
+
+/**
+ * @brief				Start the audio input sampling
+ *
+ * @api
+ */
+void gadc_lld_start(void);
+
+/**
+ * @brief				Stop the audio input sampling
+ *
+ * @api
+ */
+void gadc_lld_stop(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GFX_USE_GADC */
+
+#endif /* _GADC_LLD_H */
+/** @} */