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author | jaseg <git@jaseg.net> | 2019-04-17 16:32:43 +0900 |
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committer | jaseg <git@jaseg.net> | 2019-04-17 16:32:43 +0900 |
commit | 9eef62547efdf8e18009b6d6d6b3f7c80bf64e13 (patch) | |
tree | 8594db8c91ddc47614859e4eabbc9e7cf36d0d09 /center_fw/transmit.h | |
parent | f6b959086671fb1bf8b2003d5c5384c7311a7735 (diff) | |
download | 8seg-9eef62547efdf8e18009b6d6d6b3f7c80bf64e13.tar.gz 8seg-9eef62547efdf8e18009b6d6d6b3f7c80bf64e13.tar.bz2 8seg-9eef62547efdf8e18009b6d6d6b3f7c80bf64e13.zip |
center/fw: Add backchannel infrastructure
Untested!
Diffstat (limited to 'center_fw/transmit.h')
-rw-r--r-- | center_fw/transmit.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/center_fw/transmit.h b/center_fw/transmit.h new file mode 100644 index 0000000..dd9bcb9 --- /dev/null +++ b/center_fw/transmit.h @@ -0,0 +1,18 @@ +#ifndef __TRANSMIT_H__ +#define __TRANSMIT_H__ + +#include "global.h" +#include "8b10b.h" + +#define TX_IDLE (-1) + +#define TX_ERR_BUSY -1 +#define TX_ERR_UNINITIALIZED -2 + +extern volatile uint32_t tx_overflow_cnt; + +void tx_init(uint8_t *tx_buf); +int tx_transmit(size_t len); +int tx_next_bit(void); + +#endif /* __TRANSMIT_H__ */ |