diff options
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h')
| -rw-r--r-- | nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h index dc80b8e05..a915559b9 100644 --- a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h +++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_gpdma.h @@ -562,10 +562,19 @@ # define DMACH_CONFIG_DSTPER_MAT3p1 (DMA_REQ_MAT3p1 << DMACH_CONFIG_DSTPER_SHIFT) #define DMACH_CONFIG_XFRTYPE_SHIFT (11) /* Bits 11-13: Type of transfer */ #define DMACH_CONFIG_XFRTYPE_MASK (7 << DMACH_CONFIG_XFRTYPE_SHIFT) -# define DMACH_CONFIG_XFRTYPE_M2M (0 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to memory DMA */ -# define DMACH_CONFIG_XFRTYPE_M2P (1 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to peripheral DMA */ -# define DMACH_CONFIG_XFRTYPE_P2M (2 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to memory DMA */ -# define DMACH_CONFIG_XFRTYPE_P2P (3 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to peripheral DMA */ + /* Flow controller = DMA controller */ +# define DMACH_CONFIG_XFRTYPE_M2M (0 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to memory */ +# define DMACH_CONFIG_XFRTYPE_M2P (1 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to peripheral */ +# define DMACH_CONFIG_XFRTYPE_P2M (2 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to memory */ +# define DMACH_CONFIG_XFRTYPE_P2P (3 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to peripheral */ +#ifdef LPC178x + /* Flow controller = Dest peripheral */ +# define DMACH_CONFIG_XFRTYPE_M2M_DC (4 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to memory */ +# define DMACH_CONFIG_XFRTYPE_M2P_DC (5 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Memory to peripheral */ + /* Flow controller = Source peripheral */ +# define DMACH_CONFIG_XFRTYPE_P2M_SC (6 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to memory */ +# define DMACH_CONFIG_XFRTYPE_P2P_SC (7 << DMACH_CONFIG_XFRTYPE_SHIFT) /* Peripheral to peripheral */ +#endif #define DMACH_CONFIG_IE (1 << 14) /* Bit 14: Interrupt error mask */ #define DMACH_CONFIG_ITC (1 << 15) /* Bit 15: Terminal count interrupt mask */ #define DMACH_CONFIG_L (1 << 16) /* Bit 16: Lock */ |