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authorMarti Bolivar <mbolivar@leaflabs.com>2012-06-04 00:06:43 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2012-06-04 00:20:21 -0400
commit23d81a1044ac3c3694d58d7659be8476ebe9ee15 (patch)
tree9ab62e9244aae91d344eaca8cab926ce8c560287 /libmaple/stm32f2/include/series
parent6ad1757e62dcfe112a473ef6474b9f4c1317cf9e (diff)
downloadlibrambutan-23d81a1044ac3c3694d58d7659be8476ebe9ee15.tar.gz
librambutan-23d81a1044ac3c3694d58d7659be8476ebe9ee15.zip
Bring back libmaple/dac.h.
Minor variations on F2: DMA underrun interrupts, and a status register to hold the notification bits. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/stm32f2/include/series')
-rw-r--r--libmaple/stm32f2/include/series/dac.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/libmaple/stm32f2/include/series/dac.h b/libmaple/stm32f2/include/series/dac.h
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+++ b/libmaple/stm32f2/include/series/dac.h
@@ -0,0 +1,94 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file libmaple/stm32f2/include/series/dac.h
+ * @brief STM32F2 DAC support
+ */
+
+#ifndef _LIBMAPLE_STM32F2_DAC_H_
+#define _LIBMAPLE_STM32F2_DAC_H_
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <libmaple/libmaple_types.h>
+
+/*
+ * Register map type
+ */
+
+/** STM32F2 DAC register map type. */
+typedef struct dac_reg_map {
+ __io uint32 CR; /**< Control register */
+ __io uint32 SWTRIGR; /**< Software trigger register */
+ __io uint32 DHR12R1; /**< Channel 1 12-bit right-aligned data
+ holding register */
+ __io uint32 DHR12L1; /**< Channel 1 12-bit left-aligned data
+ holding register */
+ __io uint32 DHR8R1; /**< Channel 1 8-bit left-aligned data
+ holding register */
+ __io uint32 DHR12R2; /**< Channel 2 12-bit right-aligned data
+ holding register */
+ __io uint32 DHR12L2; /**< Channel 2 12-bit left-aligned data
+ holding register */
+ __io uint32 DHR8R2; /**< Channel 2 8-bit left-aligned data
+ holding register */
+ __io uint32 DHR12RD; /**< Dual DAC 12-bit right-aligned data
+ holding register */
+ __io uint32 DHR12LD; /**< Dual DAC 12-bit left-aligned data
+ holding register */
+ __io uint32 DHR8RD; /**< Dual DAC 8-bit right-aligned data holding
+ register */
+ __io uint32 DOR1; /**< Channel 1 data output register */
+ __io uint32 DOR2; /**< Channel 2 data output register */
+ __io uint32 SR; /**< Status register */
+} dac_reg_map;
+
+/*
+ * Register bit definitions
+ */
+
+/* Control register */
+
+#define DAC_CR_DMAUDRIE1 (1U << 13) /* Channel 1 DMA underrun
+ * interrupt enable */
+#define DAC_CR_DMAUDRIE2 (1U << 29) /* Channel 2 DMA underrun
+ * interrupt enable */
+
+/* Status register */
+
+#define DAC_SR_DMAUDR1 (1U << 13) /* Channel 1 DMA underrun
+ * occurred */
+#define DAC_SR_DMAUDR2 (1U << 29) /* Channel 2 DMA underrun
+ * ocurred */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif