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| author | Josh Rahm <joshuarahm@gmail.com> | 2020-11-20 18:41:49 -0700 |
|---|---|---|
| committer | Josh Rahm <joshuarahm@gmail.com> | 2020-11-20 19:03:01 -0700 |
| commit | fd763486d875968941c77386e23936e817856c8e (patch) | |
| tree | ed85ffe2d6c27b502d06aefa5e63244450bb7028 /02-usart/src/mem.c | |
| parent | 3b6018348d51c77f53adca90e498d7bf268c91c9 (diff) | |
| download | stm32l4-fd763486d875968941c77386e23936e817856c8e.tar.gz stm32l4-fd763486d875968941c77386e23936e817856c8e.tar.bz2 stm32l4-fd763486d875968941c77386e23936e817856c8e.zip | |
Finally got a peripheral interrupt!
Diffstat (limited to '02-usart/src/mem.c')
| -rw-r--r-- | 02-usart/src/mem.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/02-usart/src/mem.c b/02-usart/src/mem.c index 9fef8bc..65d8b60 100644 --- a/02-usart/src/mem.c +++ b/02-usart/src/mem.c @@ -1,6 +1,25 @@ +#include "arch.h" #include "mem.h" #include "common.h" +#ifdef ARCH_STM32L4 +// Provide a definition for memset() + +void* memset(void* dest, int c, size_t n) +{ + uint8_t c8 = (uint8_t) c; + uint8_t* dest8 = (uint8_t*) dest; + uint8_t* to = dest8 + n; + + while(dest8 < to) { + *(dest8 ++) = c8; + } + + return dest; +} + +#endif + // void memcpy_(void* dest, const void* src, size_t len) // { // uint8_t* dest_ = (uint8_t*) dest; |