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| author | Tomek CEDRO <cederom@tlen.pl> | 2011-11-02 03:46:25 +0000 |
|---|---|---|
| committer | Tomek CEDRO <cederom@tlen.pl> | 2011-11-02 03:46:25 +0000 |
| commit | bc4f1620779fb64fe5a9bedeefcd9513770473b7 (patch) | |
| tree | 3fa2b5c5024e9dc7bfd7c5dea7b12329d9b73bfa /src | |
| parent | 7374dbc98dd075953cf76cb465e88ebe9e356c3c (diff) | |
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driver/ft2232: Added raw-wire level debug of data read/written by ft2232. This might help debug bugs in drivers ;-)
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/drivers/ft2232.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index df5c5e35..4d417899 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -729,6 +729,9 @@ int ft2232_transfer(void *device, int bits, char *mosidata, char *misodata, int int retval, bit, i; uint32_t bytes_written, bytes_read; + LOG_DEBUG("ft2232_transfer(device=@%p, bits=%d, mosidata=@%p, misodata=@%p, nLSDfirst=%d) ",\ + (void*)device, bits, (void*)mosidata, (void*)misodata, nLSBfirst); + //No optimization for now, simply send one bit from one char element. for (bit=0;bit<bits;bit++){ buf[0]=(nLSBfirst)?0x33:0x3b; // Clock Bits In and Out LSb or MSb first. @@ -746,6 +749,8 @@ int ft2232_transfer(void *device, int bits, char *mosidata, char *misodata, int } // FTDI MPSSE returns shift register value, our bit is MSb misodata[bit]=(misodata[bit]&(nLSBfirst?0x01:0x80))?1:0; + //USE THIS FOR WIRE-LEVEL DEBUG + //LOG_DEBUG("read 0x%02X written 0x%02X", misodata[bit], mosidata[bit]); } /* Check if MPSSE ERROR occured and print info if so. */ |