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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-12-13 15:18:00 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-12-14 13:09:27 +0100 |
| commit | f74e2959ded6b0e1e750b539df27ba18eeceb46f (patch) | |
| tree | e3f67aee65f28451e029bf256a7c412158f7d74a /c/src/lib/libbsp/arm/atsam/libraries/libchip | |
| parent | bsp/atsam: Optimize transfer setup checks (diff) | |
| download | rtems-f74e2959ded6b0e1e750b539df27ba18eeceb46f.tar.bz2 | |
bsp/atsam: Speed up SPI DMA transfer start
Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/libraries/libchip')
| -rw-r--r-- | c/src/lib/libbsp/arm/atsam/libraries/libchip/include/xdmac.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/xdmac.h b/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/xdmac.h index 34d4faaef7..058bcf90c3 100644 --- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/xdmac.h +++ b/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/xdmac.h @@ -122,6 +122,12 @@ extern "C" { #endif +static inline void XDMAC_StartTransfer(Xdmac *pXdmac, uint8_t iChannel) +{ + pXdmac->XDMAC_GE = (XDMAC_GE_EN0 << iChannel); + pXdmac->XDMAC_GIE = (XDMAC_GIE_IE0 << iChannel); +} + extern uint32_t XDMAC_GetType(Xdmac *pXdmac); extern uint32_t XDMAC_GetConfig(Xdmac *pXdmac); extern uint32_t XDMAC_GetArbiter(Xdmac *pXdmac); |