diff options
| author | Josh Rahm <joshuarahm@gmail.com> | 2020-11-16 21:02:48 -0700 |
|---|---|---|
| committer | Josh Rahm <joshuarahm@gmail.com> | 2020-11-16 21:02:48 -0700 |
| commit | c0e1b4cdf20c55f2cbbdf3a5889f447974135fd8 (patch) | |
| tree | 003c27f4551f02de304da28cc60314a4516c40ed /02-usart/src/mem.c | |
| parent | cd115ba47253ce8d2680178248116d251abacb23 (diff) | |
| download | stm32l4-c0e1b4cdf20c55f2cbbdf3a5889f447974135fd8.tar.gz stm32l4-c0e1b4cdf20c55f2cbbdf3a5889f447974135fd8.tar.bz2 stm32l4-c0e1b4cdf20c55f2cbbdf3a5889f447974135fd8.zip | |
Got the DMA to send a simple message through UART2.
Diffstat (limited to '02-usart/src/mem.c')
| -rw-r--r-- | 02-usart/src/mem.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/02-usart/src/mem.c b/02-usart/src/mem.c new file mode 100644 index 0000000..5772bdc --- /dev/null +++ b/02-usart/src/mem.c @@ -0,0 +1,11 @@ +#include "mem.h" +#include "common.h" + +void memcpy_(void* dest, const void* src, size_t len) +{ + uint8_t* dest_ = (uint8_t*) dest; + uint8_t* src_ = (uint8_t*) src; + + while ((len--) > 0) + *(dest_ ++) = *(src_ ++); +} |