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mini-jtag: reset board before load config bits file

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This commit is contained in:
Xiangfu 2012-12-22 21:59:40 +08:00
parent a840ebfdcc
commit 5b07f103d7
2 changed files with 29 additions and 25 deletions
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36
mini-jtag/Makefile
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@ -37,14 +37,29 @@ clean:
%.bit:
@echo ""
@echo "Compile $@ by yourself. copy the bits file here"
@echo "Move the config bits file: <$@> here."
@echo ""
@exit 1
test: test-counter test-blinking test-hello_world
test: test-hello_world test-blinking test-counter
hello_world.bit:
make -C .. hello_world fp2bit
../hello_world | ../fp2bit - $@
test-hello_world: hello_world.bit mini-jtag
./mini-jtag load $<
sleep 2
blinking.bit:
make -C .. blinking_led fp2bit
../blinking_led | ../fp2bit - $@
test-blinking: blinking.bit mini-jtag
./mini-jtag load $<
sleep 2
test-counter: counter.bit mini-jtag
@./mini-jtag reset
@./mini-jtag load $<
@echo "Read counter registers (1 ~ 5)"
@./mini-jtag read 0 # read version
@ -68,18 +83,3 @@ test-counter: counter.bit mini-jtag
@sleep 1
@./mini-jtag read 4 # read counter
@./mini-jtag write 1 0 # disable counter
test-blinking: blinking.bit mini-jtag
./mini-jtag reset
./mini-jtag idcode
./mini-jtag load $<
sleep 2
./mini-jtag reset
hello_world.bit:
make -C ../
../hello_world | ../fp2bit - $@
test-hello_world: hello_world.bit
./mini-jtag reset
./mini-jtag load $<

18
mini-jtag/mini-jtag.c
View File

@ -61,6 +61,13 @@ static void rev_dump(uint8_t *buf, uint16_t len)
printf("%02x ", buf[i]);
}
static void brd_reset(struct ftdi_context *ftdi)
{
tap_reset_rti(ftdi);
tap_shift_ir(ftdi, JPROGRAM);
tap_reset_rti(ftdi);
}
static void usage(char *name)
{
fprintf(stderr,
@ -138,11 +145,8 @@ int main(int argc, char **argv)
printf("\n");
}
if (!strcmp (argv[1], "reset")) {
tap_reset_rti(&ftdi);
tap_shift_ir(&ftdi, JPROGRAM);
tap_reset_rti(&ftdi);
}
if (!strcmp (argv[1], "reset"))
brd_reset(&ftdi);
if (!strcmp (argv[1], "load")) {
int i;
@ -194,9 +198,9 @@ int main(int argc, char **argv)
for (u = 0; u < bs->length; u++)
dr_data[u] = rev8(bs->data[u]);
tap_reset_rti(&ftdi);
tap_shift_ir(&ftdi, CFG_IN);
brd_reset(&ftdi);
tap_shift_ir(&ftdi, CFG_IN);
tap_shift_dr_bits(&ftdi, dr_data, bs->length * 8, NULL);
/* ug380.pdf