diff options
Diffstat (limited to 'os/hal/ports/MSP430X/hal_dma_lld.h')
| -rw-r--r-- | os/hal/ports/MSP430X/hal_dma_lld.h | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/os/hal/ports/MSP430X/hal_dma_lld.h b/os/hal/ports/MSP430X/hal_dma_lld.h index 2cce85d..d1495d2 100644 --- a/os/hal/ports/MSP430X/hal_dma_lld.h +++ b/os/hal/ports/MSP430X/hal_dma_lld.h @@ -34,18 +34,18 @@ /*===========================================================================*/
#define MSP430X_DMA_SINGLE DMADT_0
-#define MSP430X_DMA_BLOCK DMADT_1
-#define MSP430X_DMA_BURST DMADT_2
+#define MSP430X_DMA_BLOCK DMADT_1
+#define MSP430X_DMA_BURST DMADT_2
-#define MSP430X_DMA_SRCINCR DMASRCINCR_3
-#define MSP430X_DMA_SRCDECR DMASRCINCR_2
-#define MSP430X_DMA_DSTINCR DMADSTINCR_3
-#define MSP430X_DMA_DSTDECR DMADSTINCR_2
+#define MSP430X_DMA_SRCINCR DMASRCINCR_3
+#define MSP430X_DMA_SRCDECR DMASRCINCR_2
+#define MSP430X_DMA_DSTINCR DMADSTINCR_3
+#define MSP430X_DMA_DSTDECR DMADSTINCR_2
-#define MSP430X_DMA_SRCBYTE DMASRCBYTE
-#define MSP430X_DMA_DSTBYTE DMADSTBYTE
-#define MSP430X_DMA_SRCWORD 0
-#define MSP430X_DMA_DSTWORD 0
+#define MSP430X_DMA_SRCBYTE DMASRCBYTE
+#define MSP430X_DMA_DSTBYTE DMADSTBYTE
+#define MSP430X_DMA_SRCWORD 0
+#define MSP430X_DMA_DSTWORD 0
/*===========================================================================*/
/* Driver pre-compile time settings. */
@@ -56,8 +56,8 @@ /*===========================================================================*/
#if !defined(DMA_BASE) && !defined(MSP430X_DMA_SOFTWARE)
- #error "The MSP430 device in use does not support DMA. Explicitly enable"
- #error "software support by defining MSP430X_DMA_SOFTWARE."
+#error "The MSP430 device in use does not support DMA. Explicitly enable"
+#error "software emulation by defining MSP430X_DMA_SOFTWARE."
#endif
#if defined(__MSP430_HAS_DMAX_1__) || defined(__MSP430X_HAS_DMA_1__)
@@ -67,7 +67,7 @@ #elif defined(__MSP430_HAS_DMAX_6__) || defined(__MSP430X_HAS_DMA_6__)
#define MSP430X_DMA_CHANNELS 6
#else
- #error "Unexpected error - how many DMA channels does your MSP have?"
+#error "Unexpected error - how many DMA channels does your MSP have?"
#endif
/*===========================================================================*/
@@ -77,28 +77,28 @@ /**
* @brief Type of DMA callback function pointer.
*/
-typedef void (*msp430x_dma_cbp_t)(void *args);
+typedef void (*msp430x_dma_cbp_t)(void * args);
/**
* @brief DMA callback, function and argument.
*/
typedef struct {
- msp430x_dma_cbp_t callback; /**< @brief Callback function pointer */
- void * args; /**< @brief Callback function arguments */
+ msp430x_dma_cbp_t callback; /**< @brief Callback function pointer */
+ void * args; /**< @brief Callback function arguments */
} msp430x_dma_cb_t;
/**
* @brief MSP430X DMA request structure.
*/
typedef struct {
- void * source_addr; /**< @brief Source address */
- void * dest_addr; /**< @brief Destination address */
- uint16_t size; /**< @brief Number of values to transfer */
- uint16_t addr_mode; /**< @brief Address manipulation mode */
- uint16_t data_mode; /**< @brief Data sizes (b2b, w2w, b2w, w2b) */
- uint16_t transfer_mode; /**< @brief Transfer mode (single, block, burst) */
- uint16_t trigger; /**< @brief Triggering event (see datasheet) */
- msp430x_dma_cb_t callback;/**< @brief Callback function and arguments */
+ const void * source_addr; /**< @brief Source address */
+ void * dest_addr; /**< @brief Destination address */
+ uint16_t size; /**< @brief Number of values to transfer */
+ uint16_t addr_mode; /**< @brief Address manipulation mode */
+ uint16_t data_mode; /**< @brief Data sizes (b2b, w2w, b2w, w2b) */
+ uint16_t transfer_mode; /**< @brief Transfer mode (single, block, burst) */
+ uint16_t trigger; /**< @brief Triggering event (see datasheet) */
+ msp430x_dma_cb_t callback; /**< @brief Callback function and arguments */
} msp430x_dma_req_t;
/**
@@ -133,7 +133,7 @@ typedef struct { */
typedef struct {
msp430x_dma_ch_reg_t * registers; /**< @brief Pointer to channel registers */
- volatile uint8_t * ctl; /**< @brief Pointer to channel control register */
+ uint8_t index; /**< @brief Index of channel trigger control register */
msp430x_dma_cb_t * cb; /**< @brief Pointer to callback function and args */
} msp430x_dma_ch_t;
@@ -143,11 +143,11 @@ typedef struct { /**
* @brief Identifies a DMA trigger using a mnemonic.
- *
+ *
* @param[in] mnem The mnemonic for the trigger, e.g. UCA0RXIFG to trigger
* on UART receive.
*/
-#define DMA_TRIGGER_MNEM(mnem) DMA0TSEL__ ## mnem
+#define DMA_TRIGGER_MNEM(mnem) DMA0TSEL__##mnem
/** @} */
@@ -158,12 +158,12 @@ typedef struct { #ifdef __cplusplus
extern "C" {
#endif
- void dmaInit(void);
- bool dmaRequest(msp430x_dma_req_t * request, systime_t timeout);
- bool dmaAcquire(msp430x_dma_ch_t * channel, uint8_t index);
- void dmaTransfer(msp430x_dma_ch_t * channel, msp430x_dma_req_t * request);
- void dmaRelease(msp430x_dma_ch_t * channel);
-
+void dmaInit(void);
+bool dmaRequest(msp430x_dma_req_t * request, systime_t timeout);
+bool dmaAcquire(msp430x_dma_ch_t * channel, uint8_t index);
+void dmaTransfer(msp430x_dma_ch_t * channel, msp430x_dma_req_t * request);
+void dmaRelease(msp430x_dma_ch_t * channel);
+
#ifdef __cplusplus
}
#endif
@@ -171,4 +171,3 @@ extern "C" { #endif /* HAL_USE_DMA == true */
#endif /* HAL_MSP430X_DMA_H */
-
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