diff options
Diffstat (limited to 'include/libopencm3/cm3/common.h')
| -rw-r--r-- | include/libopencm3/cm3/common.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/include/libopencm3/cm3/common.h b/include/libopencm3/cm3/common.h index a7a8df8d..04714e0a 100644 --- a/include/libopencm3/cm3/common.h +++ b/include/libopencm3/cm3/common.h @@ -20,15 +20,16 @@ #ifndef LIBOPENCM3_CM3_COMMON_H #define LIBOPENCM3_CM3_COMMON_H -#include <stdint.h> -#include <stdbool.h> - -/* This must be placed around external function declaration for C++ - * support. */ #ifdef __cplusplus +/* Declarations need wrapping for C++ */ # define BEGIN_DECLS extern "C" { # define END_DECLS } +#elif defined(__ASSEMBLER__) +/* skipping for assembly */ +#define BEGIN_DECLS .if 0 +#define END_DECLS .endif #else +/* And nothing for C */ # define BEGIN_DECLS # define END_DECLS #endif @@ -46,6 +47,22 @@ #endif +#if defined (__ASSEMBLER__) +#define MMIO8(addr) (addr) +#define MMIO16(addr) (addr) +#define MMIO32(addr) (addr) +#define MMIO64(addr) (addr) + +#define BBIO_SRAM(addr, bit) \ + (((addr) & 0x0FFFFF) * 32 + 0x22000000 + (bit) * 4) + +#define BBIO_PERIPH(addr, bit) \ + (((addr) & 0x0FFFFF) * 32 + 0x42000000 + (bit) * 4) +#else + +#include <stdint.h> +#include <stdbool.h> + /* Generic memory-mapped I/O accessor functions */ #define MMIO8(addr) (*(volatile uint8_t *)(addr)) #define MMIO16(addr) (*(volatile uint16_t *)(addr)) @@ -58,6 +75,7 @@ #define BBIO_PERIPH(addr, bit) \ MMIO32((((uint32_t)addr) & 0x0FFFFF) * 32 + 0x42000000 + (bit) * 4) +#endif /* Generic bit definition */ #define BIT0 (1<<0) |