jaseg/7seg
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Temporary for bit shuffling

Browse source
This commit is contained in:
jaseg 2017-08-15 10:34:57 +02:00
parent 71ad806c88
commit 952f3c03ac
1 changed files with 5 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

16
fw/main.c
View file

@ -83,17 +83,11 @@ void transpose_data(volatile uint8_t *rx_buf, volatile struct framebuf *out_fb)
};
};
struct data_format *rxp = (struct data_format *)rx_buf;
for (unsigned int digit=0; digit<nrows*ncols; digit++, rxp++) {
for (int segment=0; segment<8; segment++) {
uint32_t *outp = out_fb->data;
for (int bit=0x80; bit; bit>>=1, outp+=frame_size_words)
outp[segment] |= !!(rxp->high[segment] & bit) << digit;
}
uint16_t low = rxp->low;
for (int segment=0; segment<8; segment++) {
uint32_t *outp = out_fb->data;
for (int bit=0x8000; bit; bit>>=1, outp+=frame_size_words)
outp[segment] |= !!(rxp->high[segment] & bit) << digit;
for (int bit=0; bit<8; bit++) {
for (int seg=0; seg<8; seg++) {
for (int digit=0; digit<32; digit++) {
out_fb[(bit+2)*frame_size_words + seg] |= !!(rxp[digit].high[seg] & (1<<bit)) << digit;
}
}
}
}