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Prepend the header to the buffer data

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Eric Helgeson 2022-05-23 17:13:09 -05:00
parent 5c0724703b
commit 20cb5d8552
1 changed files with 9 additions and 6 deletions
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15
src/BlueSCSI.cpp
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@ -1407,14 +1407,17 @@ byte onReadBuffer(byte mode, uint32_t allocLength)
if (mode == MODE_COMBINED_HEADER_DATA)
{
uint32_t bufCapacity = sizeof(m_scsi_buf) - 4;
uint32_t bufCapacity = sizeof(m_scsi_buf);
byte scsi_buf_response[bufCapacity + 4];
// four byte read buffer header
m_scsi_buf[0] = 0;
m_scsi_buf[1] = (bufCapacity >> 16) & 0xff;
m_scsi_buf[2] = (bufCapacity >> 8) & 0xff;
m_scsi_buf[3] = bufCapacity & 0xff;
scsi_buf_response[0] = 0;
scsi_buf_response[1] = (bufCapacity >> 16) & 0xff;
scsi_buf_response[2] = (bufCapacity >> 8) & 0xff;
scsi_buf_response[3] = bufCapacity & 0xff;
// actual data
memcpy((&scsi_buf_response[4]), m_scsi_buf, bufCapacity);
writeDataPhase(allocLength, m_scsi_buf);
writeDataPhase(sizeof(scsi_buf_response), scsi_buf_response);
#if DEBUG > 0
for (unsigned i = 0; i < allocLength; i++) {