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ftdiJtagMPSSE: don't use MPSSE_DO_WRITE for read only transaction

This commit is contained in:
Gwenhael Goavec-Merou 2020-10-09 21:17:04 +02:00
parent 487bc21d66
commit a27c99376d
1 changed files with 2 additions and 2 deletions
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4
src/ftdiJtagMPSSE.cpp
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@ -212,8 +212,8 @@ int FtdiJtagMPSSE::writeTDI(uint8_t *tdi, uint8_t *tdo, uint32_t len, bool last)
unsigned char c[len];
unsigned char *rx_ptr = (unsigned char *)tdo;
unsigned char *tx_ptr = (unsigned char *)tdi;
unsigned char tx_buf[3] = {(unsigned char)(MPSSE_LSB | MPSSE_WRITE_NEG |
((tdi) ? MPSSE_DO_WRITE : 0) |
unsigned char tx_buf[3] = {(unsigned char)(MPSSE_LSB |
((tdi) ? (MPSSE_DO_WRITE | MPSSE_WRITE_NEG) : 0) |
((tdo) ? MPSSE_DO_READ : 0)),
static_cast<unsigned char>((xfer - 1) & 0xff), // low
static_cast<unsigned char>((((xfer - 1) >> 8) & 0xff))}; // high