diff options
Diffstat (limited to 'libmaple/bitband.h')
| -rw-r--r-- | libmaple/bitband.h | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/libmaple/bitband.h b/libmaple/bitband.h index 076335f..b817f73 100644 --- a/libmaple/bitband.h +++ b/libmaple/bitband.h @@ -35,18 +35,7 @@ #define BB_PERI_REF 0x40000000 #define BB_PERI_BASE 0x42000000 -static inline uint32* __bb_addr(void*, uint32, uint32, uint32); -static inline __io uint32* __bb_addrv(__io void*, uint32, uint32, uint32); - -/** - * @brief Obtain a pointer to the bit-band address corresponding to a - * bit in an SRAM address. - * @param address Address in the bit-banded SRAM region - * @param bit Bit in address to bit-band - */ -static inline uint32* bb_sramp(void *address, uint32 bit) { - return __bb_addr(address, bit, BB_SRAM_BASE, BB_SRAM_REF); -} +static inline __io uint32* __bb_addr(__io void*, uint32, uint32, uint32); /** * @brief Obtain a pointer to the bit-band address corresponding to a @@ -54,8 +43,8 @@ static inline uint32* bb_sramp(void *address, uint32 bit) { * @param address Address in the bit-banded SRAM region * @param bit Bit in address to bit-band */ -static inline __io uint32* bb_srampv(__io void *address, uint32 bit) { - return __bb_addrv(address, bit, BB_SRAM_BASE, BB_SRAM_REF); +static inline __io uint32* bb_sramp(__io void *address, uint32 bit) { + return __bb_addr(address, bit, BB_SRAM_BASE, BB_SRAM_REF); } /** @@ -64,20 +53,13 @@ static inline __io uint32* bb_srampv(__io void *address, uint32 bit) { * @param address Address in the bit-banded peripheral region * @param bit Bit in address to bit-band */ -static inline __io uint32* bb_peripv(__io void *address, uint32 bit) { - return __bb_addrv(address, bit, BB_PERI_BASE, BB_PERI_REF); -} - -static inline uint32* __bb_addr(void *address, - uint32 bit, - uint32 bb_base, - uint32 bb_ref) { - return (uint32*)(bb_base + ((uint32)address - bb_ref) * 32 + bit * 4); +static inline __io uint32* bb_perip(__io void *address, uint32 bit) { + return __bb_addr(address, bit, BB_PERI_BASE, BB_PERI_REF); } -static inline __io uint32* __bb_addrv(__io void *address, - uint32 bit, - uint32 bb_base, - uint32 bb_ref) { - return (__io uint32*)__bb_addr((void*)address, bit, bb_base, bb_ref); +static inline __io uint32* __bb_addr(__io void *address, + uint32 bit, + uint32 bb_base, + uint32 bb_ref) { + return (__io uint32*)(bb_base + ((uint32)address - bb_ref) * 32 + bit * 4); } |