diff options
| author | Spencer Oliver <ntfreak@users.sourceforge.net> | 2011-07-12 15:51:18 +0100 |
|---|---|---|
| committer | Spencer Oliver <ntfreak@users.sourceforge.net> | 2011-07-12 15:51:18 +0100 |
| commit | 0ea76bc778a1c5c33bf43e2afbcbbfc819764778 (patch) | |
| tree | 494e0ad6c607eca48fd44e501b73b2367f54f726 | |
| parent | b765688be6fa363117fbc3750ae15fe1fe69c984 (diff) | |
ftd2xx: handle FT_GetLatencyTimer bug in v1.04
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
| -rw-r--r-- | src/jtag/drivers/ft2232.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index 2b64e876..3168f990 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -2260,8 +2260,20 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_mor if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK) { + /* ftd2xx 1.04 (linux) has a bug when calling FT_GetLatencyTimer + * so ignore errors if using this driver version */ + DWORD dw_version; + + status = FT_GetDriverVersion(ftdih, &dw_version); LOG_ERROR("unable to get latency timer: %" PRIu32, status); - return ERROR_JTAG_INIT_FAILED; + + if ((status == FT_OK) && (dw_version == 0x10004)) { + LOG_ERROR("ftd2xx 1.04 detected - this has known issues " \ + "with FT_GetLatencyTimer, upgrade to a newer version"); + } + else { + return ERROR_JTAG_INIT_FAILED; + } } else { |