diff options
Diffstat (limited to 'src/modules/systemlib/mcu_version.c')
| -rw-r--r-- | src/modules/systemlib/mcu_version.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/modules/systemlib/mcu_version.c b/src/modules/systemlib/mcu_version.c index 4bcf95784..24f4e4207 100644 --- a/src/modules/systemlib/mcu_version.c +++ b/src/modules/systemlib/mcu_version.c @@ -47,7 +47,8 @@ #ifdef CONFIG_ARCH_CHIP_STM32 #include <up_arch.h> -#define DBGMCU_IDCODE 0xE0042000 +#define DBGMCU_IDCODE 0xE0042000 //STM DocID018909 Rev 8 Sect 38.18 (MCU device ID code) +#define UNIQUE_ID 0x1FFF7A10 //STM DocID018909 Rev 8 Sect 39.1 (Unique device ID Register) #define STM32F40x_41x 0x413 #define STM32F42x_43x 0x419 @@ -57,7 +58,13 @@ #endif - +/** Copy the 96bit MCU Unique ID into the provided pointer */ +void mcu_unique_id(uint32_t *uid_96_bit) +{ + uid_96_bit[0] = getreg32(UNIQUE_ID); + uid_96_bit[1] = getreg32(UNIQUE_ID+4); + uid_96_bit[2] = getreg32(UNIQUE_ID+8); +} int mcu_version(char* rev, char** revstr) { |