electronics/ttl-fpga
1
0
Fork 0
Code Issues 1 Pull Requests Releases 1 Wiki Activity

sw: Fix logic to determine when to enable the output drivers

Browse Source 
Before, it was always enabling all outputs,
even when they should have been tristated.
This commit is contained in:
Markus Koch 2019-09-23 21:28:54 +02:00
parent 98a7a5d170
commit 7bb7049eea
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sw/kousaten/src/fpga_cell_lut34.c
View File

@ -235,15 +235,11 @@ char *fpga_cell_lut34_isp_generate_bitstream(struct fpga_cell *cell)
"Couldn't set LUT output sel %d for output %d.", temp, i);
}
for (i = 0; i < 2; ++i) {
temp = fpga_cell_bitstream_is_set(sbuf, LUT_OUT_BITMAP[i][0]); /* At some point, we set a specific output on this MUX */
for (i = 0; i < 4; ++i) {
temp = fpga_cell_lut34_is_driven(lut34->drive_sel[i]);
BS_SET_BIT(LUT_OUT_EN_N_BITMAP[i], !temp,
"Couldn't %s output for output %d.",
(!temp ? "enable" : "disabled"), i);
if (!temp) {
BS_SET_BITS(0, 2 , LUT_OUT_BITMAP[i],
"Couldn't set LUT output sel 0 for output %d (undriven by user logic).", i);
}
}
/* Routing */