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ftdi_bmp : Another size fix and small rearrangement.

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This commit is contained in:
Uwe Bonnes 2020-08-04 22:05:12 +02:00 committed by UweBonnes
parent aeb97466b9
commit 74b3baad1e
1 changed files with 5 additions and 6 deletions
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11
src/platforms/hosted/ftdi_bmp.c
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@ -525,7 +525,7 @@ void libftdi_jtagtap_tdi_tdo_seq(
if(final_tms) ticks--; if(final_tms) ticks--;
rticks = ticks & 7; rticks = ticks & 7;
ticks >>= 3; ticks >>= 3;
uint8_t data[3]; uint8_t data[8];
uint8_t cmd = ((DO)? MPSSE_DO_READ : 0) | uint8_t cmd = ((DO)? MPSSE_DO_READ : 0) |
((DI)? (MPSSE_DO_WRITE | MPSSE_WRITE_NEG) : 0) | MPSSE_LSB; ((DI)? (MPSSE_DO_WRITE | MPSSE_WRITE_NEG) : 0) | MPSSE_LSB;
rsize = ticks; rsize = ticks;
@ -537,28 +537,27 @@ void libftdi_jtagtap_tdi_tdo_seq(
if (DI) if (DI)
libftdi_buffer_write(DI, ticks); libftdi_buffer_write(DI, ticks);
} }
if(rticks) {
int index = 0; int index = 0;
if(rticks) {
rsize++; rsize++;
data[index++] = cmd | MPSSE_BITMODE; data[index++] = cmd | MPSSE_BITMODE;
data[index++] = rticks - 1; data[index++] = rticks - 1;
if (DI) if (DI)
data[index++] = DI[ticks]; data[index++] = DI[ticks];
libftdi_buffer_write(data, index);
} }
if(final_tms) { if(final_tms) {
int index = 0;
rsize++; rsize++;
data[index++] = MPSSE_WRITE_TMS | ((DO)? MPSSE_DO_READ : 0) | data[index++] = MPSSE_WRITE_TMS | ((DO)? MPSSE_DO_READ : 0) |
MPSSE_LSB | MPSSE_BITMODE | MPSSE_WRITE_NEG; MPSSE_LSB | MPSSE_BITMODE | MPSSE_WRITE_NEG;
data[index++] = 0; data[index++] = 0;
if (DI) if (DI)
data[index++] = (DI[ticks]) >> rticks?0x81 : 0x01; data[index++] = (DI[ticks]) >> rticks?0x81 : 0x01;
libftdi_buffer_write(data, index);
} }
if (index)
libftdi_buffer_write(data, index);
if (DO) { if (DO) {
int index = 0; int index = 0;
uint8_t *tmp = alloca(ticks); uint8_t *tmp = alloca(rsize);
libftdi_buffer_read(tmp, rsize); libftdi_buffer_read(tmp, rsize);
if(final_tms) rsize--; if(final_tms) rsize--;