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| author | Karl Palsson <karlp@tweak.net.au> | 2019-03-24 08:55:28 +0000 |
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| committer | Karl Palsson <karlp@tweak.net.au> | 2019-03-24 08:55:28 +0000 |
| commit | 0f23dacaef1fcd52573805a1ace817066a4ede93 (patch) | |
| tree | 7c957b6bca640542ec29d0a2d405a57d6a9c2bfa /my-common-code/api-asm.S | |
| parent | d1bb072d2be13506012b589b2d0db8e108ce621e (diff) | |
| download | stm32f103c8-examples-0f23dacaef1fcd52573805a1ace817066a4ede93.tar stm32f103c8-examples-0f23dacaef1fcd52573805a1ace817066a4ede93.tar.zst stm32f103c8-examples-0f23dacaef1fcd52573805a1ace817066a4ede93.zip | |
add missing asm demo files.
that was lame, sorry about that.
Diffstat (limited to 'my-common-code/api-asm.S')
| -rw-r--r-- | my-common-code/api-asm.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/my-common-code/api-asm.S b/my-common-code/api-asm.S new file mode 100644 index 0000000..93419fd --- /dev/null +++ b/my-common-code/api-asm.S @@ -0,0 +1,19 @@ +/* + * Example of a pure assembly file + * For most people, this is normally unnecessary, you can use inline + * ASM in a C file, if you even need to use ASM at all. + * However, if you reallllly like doing this sort of thing, here's how :) + */ + +.syntax unified +.thumb +.section .text + +#include <libopencm3/stm32/gpio.h> + +.global rev_bytes +.func rev_bytes /* only used for debugger */ +.type rev_bytes, STT_FUNC +rev_bytes: + rev r0, r0 + bx lr |