drashna/qmk_firmware
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Add sending of small frames with no zeroes

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This commit is contained in:
Fred Sundvik 2016-02-14 17:45:25 +02:00
parent 26537474ae
commit a089eaa868
4 changed files with 82 additions and 16 deletions
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12
serial_link/protocol/byte_stuffer.c
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@ -24,7 +24,7 @@ SOFTWARE.
#include "protocol/byte_stuffer.h"
#include "protocol/frame_validator.h"
#include <stdio.h>
#include "protocol/physical.h"
// This implements the "Consistent overhead byte stuffing protocol"
// https://en.wikipedia.org/wiki/Consistent_Overhead_Byte_Stuffing
@ -92,3 +92,13 @@ void recv_byte(byte_stuffer_state_t* state, uint8_t data) {
}
}
}
void send_frame(uint8_t* data, uint16_t size) {
if (size > 0) {
uint8_t numZeroes = size + 1;
const uint8_t zero = 0;
send_data(&numZeroes, 1);
send_data(data, size);
send_data(&zero, 1);
}
}