1 files changed, 108 insertions, 0 deletions
diff --git a/libmaple/dac.h b/libmaple/dac.h
new file mode 100644
index 0000000..de1fd3f
--- /dev/null
+++ b/libmaple/dac.h
@@ -0,0 +1,108 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Bryan Newbold.
+ *
+ * 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.
+ * ****************************************************************************/
+
+/* 
+ * See ../notes/dac.txt for more info
+ */
+
+#ifndef _DAC_H_
+#define _DAC_H_
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define DAC_BASE  0x40007400
+
+typedef struct {
+   volatile uint32 CR;
+   volatile uint32 SWTRIGR;
+   volatile uint32 DHR12R1;
+   volatile uint32 DHR12L1;
+   volatile uint32 DHR8R1;
+   volatile uint32 DHR12R2;
+   volatile uint32 DHR12L2;
+   volatile uint32 DHR8R2;
+   volatile uint32 DHR12RD;
+   volatile uint32 DHR12LD;
+   volatile uint32 DHR8RD;
+   volatile uint32 DOR1;
+   volatile uint32 DOR2;
+} DAC_Map;
+
+
+// And here are the register bit ranges
+#define DAC_CR_EN1      BIT(0)
+#define DAC_CR_BOFF1    BIT(1)
+#define DAC_CR_TEN1     BIT(2)
+#define DAC_CR_TSEL1    (BIT(3) | BIT(4) | BIT(5))
+#define DAC_CR_WAVE1    (BIT(6) | BIT(7))
+#define DAC_CR_MAMP1    (BIT(8) | BIT(9) | BIT(10) | BIT(11))
+#define DAC_CR_DMAEN1   BIT(12)
+#define DAC_CR_EN2      BIT(16)
+#define DAC_CR_BOFF2    BIT(17)
+#define DAC_CR_TEN2     BIT(18)
+#define DAC_CR_TSEL2    (BIT(19) | BIT(20) | BIT(21))
+#define DAC_CR_WAVE2    (BIT(22) | BIT(23))
+#define DAC_CR_MAMP2    (BIT(24) | BIT(25) | BIT(26) | BIT(27))
+#define DAC_CR_DMAEN2   BIT(28)
+
+#define DAC_SWTRIGR_SWTRIG1     BIT(0)
+#define DAC_SWTRIGR_SWTRIG2     BIT(1)
+
+#define DAC_DHR12R1_DACC1DHR     0x00000FFF
+
+#define DAC_DHR12L1_DACC1DHR     0x0000FFF0 
+
+#define DAC_DHR8R1_DACC1DHR      0x000000FF 
+
+#define DAC_DHR12R2_DACC2DHR     0x00000FFF 
+
+#define DAC_DHR12L2_DACC2DHR     0x0000FFF0
+
+#define DAC_DHR8R2_DACC2DHR      0x000000FF 
+
+#define DAC_DHR12RD_DACC1DHR     0x00000FFF
+#define DAC_DHR12RD_DACC2DHR     0x0FFF0000
+
+#define DAC_DHR12LD_DACC1DHR     0x0000FFF0 
+#define DAC_DHR12LD_DACC2DHR     0xFFF00000
+
+#define DAC_DHR8RD_DACC1DHR      0x000000FF
+#define DAC_DHR8RD_DACC2DHR      0x0000FF00
+
+#define DAC_DOR1                 0x00000FFF 
+
+#define DAC_DOR2                 0x00000FFF 
+
+
+void dac_init(void);
+void dac_write(uint8 chan, uint16 val);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+
+#endif