diff options
Diffstat (limited to 'libmaple/dac.h')
| -rw-r--r-- | libmaple/dac.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/libmaple/dac.h b/libmaple/dac.h index c897bb2..cf4fe85 100644 --- a/libmaple/dac.h +++ b/libmaple/dac.h @@ -38,6 +38,10 @@ extern "C"{ #endif +/* + * Register maps + */ + /** DAC register map. */ typedef struct dac_reg_map { __io uint32 CR; /**< Control register */ @@ -64,6 +68,13 @@ typedef struct dac_reg_map { __io uint32 DOR2; /**< Channel 2 data output register */ } dac_reg_map; +/** DAC register map base address */ +#define DAC_BASE ((dac_reg_map*)0x40007400) + +/* + * Devices + */ + /** DAC device type. */ typedef struct dac_dev { dac_reg_map *regs; /**< Register map */ @@ -72,11 +83,8 @@ typedef struct dac_dev { /** DAC device. */ extern const dac_dev *DAC; -/** DAC register map base address */ -#define DAC_BASE ((dac_reg_map*)0x40007400) - /* - * Register bit definitions and masks + * Register bit definitions */ /* Control register */ @@ -137,13 +145,20 @@ extern const dac_dev *DAC; /* Channel 1 data output register */ #define DAC_DOR2_DACC2DOR 0x00000FFF +/* + * Convenience functions + */ + +/* We take the dev argument in these convenience functions for + * future-proofing */ + #define DAC_CH1 0x1 #define DAC_CH2 0x2 -void dac_init(uint32 flags); +void dac_init(const dac_dev *dev, uint32 flags); -void dac_write_channel(uint8 channel, uint16 val); -void dac_enable_channel(uint8 channel); -void dac_disable_channel(uint8 channel); +void dac_write_channel(const dac_dev *dev, uint8 channel, uint16 val); +void dac_enable_channel(const dac_dev *dev, uint8 channel); +void dac_disable_channel(const dac_dev *dev, uint8 channel); #ifdef __cplusplus } // extern "C" |