From 577a9116e32fac33614a21b15d8d1443c3ac420b Mon Sep 17 00:00:00 2001
From: asterix <asterix@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Mon, 28 Mar 2011 10:25:37 +0000
Subject: [PATCH] Add sam3x dac private funcion to use hight level api.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4816 38d2e660-2303-0410-9eaa-f027e97ec537
---
 bertos/cpu/cortex-m3/drv/dac_sam3.c | 62 +++++++++++++++++++++--------
 bertos/drv/dac.h                    | 10 +----
 2 files changed, 46 insertions(+), 26 deletions(-)

diff --git a/bertos/cpu/cortex-m3/drv/dac_sam3.c b/bertos/cpu/cortex-m3/drv/dac_sam3.c
index 98e4fa88..072bc647 100644
--- a/bertos/cpu/cortex-m3/drv/dac_sam3.c
+++ b/bertos/cpu/cortex-m3/drv/dac_sam3.c
@@ -54,31 +54,59 @@
 
 #include <string.h>
 
-int dac_write(int ch, void *buf, size_t len)
-{
-	ASSERT(ch <= 1);
 
-	DACC_MR |= (ch << DACC_USER_SEL_SHIFT) & DACC_USER_SEL_MASK;
-	DACC_CHER |= BV(ch);
 
-	kprintf("mr: %08lx\n", DACC_MR);
+static int sam3x_dac_write(DacContext *ctx, unsigned channel, uint16_t sample)
+{
+	ASSERT(channel <= 1);
+
+	DACC_MR |= (channel << DACC_USER_SEL_SHIFT) & DACC_USER_SEL_MASK;
+	DACC_CHER |= BV(channel);
 
-	if (len <= sizeof(uint32_t))
-	{
-		memcpy((void *)DACC_CDR, buf, len);
-	}
-	else
-	{
-		DACC_TPR = (uint32_t)buf ;
-		DACC_TCR = len ;
-		DACC_PTCR |= BV(DACC_PTCR_TXTEN);
-	}
+	DACC_CDR = sample ;
 
 	return 0;
 }
 
-void dac_init(void)
+static void sam3x_dac_setCh(struct DacContext *ctx, uint32_t mask)
+{
+}
+
+static void sam3x_dac_setSampleRate(struct DacContext *ctx, uint32_t rate)
+{
+}
+
+static void sam3x_dac_conversion(struct DacContext *ctx, void *buf, size_t len)
+{
+	DACC_TPR = (uint32_t)buf ;
+	DACC_TCR = len;
+	DACC_PTCR |= BV(DACC_PTCR_TXTEN);
+}
+
+static bool sam3x_dac_isFinished(struct DacContext *ctx)
 {
+}
+
+static void sam3x_dac_start(struct DacContext *ctx, void *buf, size_t len, size_t slicelen)
+{
+}
+
+static void sam3x_dac_stop(struct DacContext *ctx)
+{
+}
+
+
+void dac_init(struct DacContext *ctx)
+{
+	ctx->write = sam3x_dac_write;
+	ctx->setCh = sam3x_dac_setCh;
+	ctx->setSampleRate = sam3x_dac_setSampleRate;
+	ctx->conversion = sam3x_dac_conversion;
+	ctx->isFinished = sam3x_dac_isFinished;
+	ctx->start = sam3x_dac_start;
+	ctx->stop = sam3x_dac_stop;
+
+
 	/* Clock ADC peripheral */
 	pmc_periphEnable(DACC_ID);
 
diff --git a/bertos/drv/dac.h b/bertos/drv/dac.h
index eacab989..eee8e0ad 100644
--- a/bertos/drv/dac.h
+++ b/bertos/drv/dac.h
@@ -62,7 +62,6 @@ typedef void (*SetSamplingRate_t) (struct DacContext *ctx, uint32_t rate);
 typedef void (*DmaConversionBufFunc_t) (struct DacContext *ctx, void *buf, size_t len);
 typedef bool (*DmaConversionIsFinished_t) (struct DacContext *ctx);
 typedef void (*DmaStartStreamingFunc_t) (struct DacContext *ctx, void *buf, size_t len, size_t slicelen);
-typedef void *(*DmaWaitConversionFunc_t) (struct DacContext *ctx);
 typedef void (*DmaStopFunc_t) (struct DacContext *ctx);
 
 typedef struct DacContext
@@ -73,7 +72,6 @@ typedef struct DacContext
 	DmaConversionBufFunc_t conversion;
 	DmaConversionIsFinished_t isFinished;
 	DmaStartStreamingFunc_t start;
-	DmaWaitConversionFunc_t wait;
 	DmaStopFunc_t stop;
 	size_t slicelen;
 
@@ -129,12 +127,6 @@ INLINE void dac_dmaStartStreaming(struct DacContext *ctx, void *buf, size_t len,
 	ctx->start(ctx, buf, len, slicelen);
 }
 
-INLINE void *dac_dmaWaitConversion(struct DacContext *ctx)
-{
-	ASSERT(ctx->wait);
-	return ctx->wait(ctx);
-}
-
 INLINE void dac_dmaStop(struct DacContext *ctx)
 {
 	ASSERT(ctx->stop);
@@ -143,7 +135,7 @@ INLINE void dac_dmaStop(struct DacContext *ctx)
 
 #define dac_bits() DAC_BITS
 
-void dac_init(void);
+void dac_init(struct DacContext *ctx);
 
 /** \} */ //defgroup dac
 #endif /* DRV_DAC_H */
-- 
2.25.1