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modify serial_send_packet()/serial_recive_packet()

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A little, object size reduction.
A little, speedup.
This commit is contained in:
mtei
2018-07-19 19:12:01 +09:00
parent d26fce792d
commit 518e6134b5
1 changed files with 8 additions and 4 deletions
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12
keyboards/helix/serial.c
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@@ -182,9 +182,11 @@ static
void serial_send_packet(uint8_t *buffer, uint8_t size) {
uint8_t checksum = 0;
for (uint8_t i = 0; i < size; ++i) {
uint8_t data;
data = buffer[i];
sync_send();
serial_write_byte(buffer[i]);
checksum += buffer[i];
serial_write_byte(data);
checksum += data;
}
sync_send();
serial_write_byte(checksum);
@@ -194,9 +196,11 @@ static
uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) {
uint8_t checksum_computed = 0;
for (uint8_t i = 0; i < size; ++i) {
uint8_t data;
sync_recv();
buffer[i] = serial_read_byte();
checksum_computed += buffer[i];
data = serial_read_byte();
buffer[i] = data;
checksum_computed += data;
}
sync_recv();
uint8_t checksum_received = serial_read_byte();