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reducing buffer reuse for #421

This commit is contained in:
rusefi 2017-05-23 15:12:20 -04:00
parent ed0c796b85
commit 7dae86cb78
1 changed files with 5 additions and 4 deletions
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9
firmware/console/binary/tunerstudio_io.cpp
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@ -95,21 +95,22 @@ void sr5WriteData(ts_channel_s *tsChannel, const uint8_t * buffer, int size) {
*/
void sr5WriteCrcPacket(ts_channel_s *tsChannel, const uint8_t responseCode, const void *buf, const uint16_t size) {
uint8_t *writeBuffer = tsChannel->writeBuffer;
uint8_t *crcBuffer = &tsChannel->writeBuffer[3];
*(uint16_t *) writeBuffer = SWAP_UINT16(size + 1); // packet size including command
*(uint8_t *) (writeBuffer + 2) = responseCode;
sr5WriteData(tsChannel, writeBuffer, 3); // header
// CRC on whole packet
uint32_t crc = crc32((void *) (writeBuffer + 2), 1); // command part of CRC
crc = crc32inc((void *) buf, crc, (uint32_t) (size)); // combined with packet CRC
*(uint32_t *) (writeBuffer) = SWAP_UINT32(crc);
*(uint32_t *) (crcBuffer) = SWAP_UINT32(crc);
sr5WriteData(tsChannel, writeBuffer, 3); // header
if (size > 0) {
sr5WriteData(tsChannel, (const uint8_t*)buf, size); // body
}
sr5WriteData(tsChannel, writeBuffer, 4); // CRC footer
sr5WriteData(tsChannel, crcBuffer, 4); // CRC footer
}
void sr5SendResponse(ts_channel_s *tsChannel, ts_response_format_e mode, const uint8_t * buffer, int size) {