bilbo/dreamcast
1
0
Fork 0
Code Pull Requests Activity

Compare commits

base: bilbo:9ecb8c6f5f17810e3da4c0b211cda64e6504fee2
Branches Tags
bilbo:main
bilbo:long-samples
..
compare: bilbo:77f7869e91261001acec43c131c79437b7cccf58
Branches Tags
bilbo:main
bilbo:long-samples

2 Commits
9ecb8c6f5f ... 77f7869e91

Author SHA1 Message Date
Zack Buhman
77f7869e91 ftdi_transfer: add reset command 2025-08-26 19:57:29 -05:00
Zack Buhman
b54b635e61 dreamcast2: triangle_ta*: remove while (1) loop 2025-08-26 19:57:13 -05:00
3 changed files with 44 additions and 46 deletions
Show Stats Expand all files Collapse all files

2
dreamcast2/example/triangle_ta.cpp
View File

@ -282,6 +282,4 @@ void main()
holly.FB_R_SOF1 = framebuffer_start;
// return from main; this will effectively jump back to the serial loader
while (1);
}

2
dreamcast2/example/triangle_ta_fullscreen.cpp
View File

@ -259,6 +259,4 @@ void main()
holly.FB_R_SOF1 = framebuffer_start;
// return from main; this will effectively jump back to the serial loader
while (1);
}

86
tools/ftdi_transfer.cpp
View File

@ -88,48 +88,6 @@ int init_ftdi_context(struct ftdi_context * ftdi, uint32_t scbrr)
}
ftdi_list_free(&devlist);
if (0) {
for (int i = 0; i < 2; i++) {
timespec t = {.tv_sec = 0, .tv_nsec = 33000 * 2 };
// toggle ACBUS5 low (g reset asserted)
uint8_t bitmask1 = (0b0001 << 4) | (0b0001 << 0);
res = ftdi_set_bitmode(ftdi, bitmask1, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
printf("cbus1\n");
nanosleep(&t, NULL);
// toggle ACBUS5 low (g reset deasserted)
uint8_t bitmask2 = (0b0000 << 4) | (0b0001 << 0);
res = ftdi_set_bitmode(ftdi, bitmask2, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
printf("cbus2\n");
nanosleep(&t, NULL);
}
uint8_t bitmask2 = (0b0000 << 4) | (0b0000 << 0);
res = ftdi_set_bitmode(ftdi, bitmask2, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
sleep(2);
printf("cbus3\n");
ftdi_disable_bitbang(ftdi);
//while (1);
//return 0;
}
res = ftdi_set_baudrate(ftdi, round(dreamcast_rate(current_cks, scbrr)));
if (res < 0) {
fprintf(stderr, "ftdi_set_baudrate: %s\n", ftdi_get_error_string(ftdi));
@ -431,6 +389,49 @@ int do_list_baudrates(struct ftdi_context * ftdi)
return 0;
}
int do_reset(struct ftdi_context * ftdi)
{
int res;
for (int i = 0; i < 2; i++) {
timespec t = {.tv_sec = 0, .tv_nsec = 33000 * 2 };
// toggle ACBUS5 low (g reset asserted)
uint8_t bitmask1 = (0b0001 << 4) | (0b0001 << 0);
res = ftdi_set_bitmode(ftdi, bitmask1, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
printf("cbus1\n");
nanosleep(&t, NULL);
// toggle ACBUS5 low (g reset deasserted)
uint8_t bitmask2 = (0b0000 << 4) | (0b0001 << 0);
res = ftdi_set_bitmode(ftdi, bitmask2, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
printf("cbus2\n");
nanosleep(&t, NULL);
}
uint8_t bitmask2 = (0b0000 << 4) | (0b0000 << 0);
res = ftdi_set_bitmode(ftdi, bitmask2, BITMODE_CBUS);
if (res < 0) {
fprintf(stderr, "ftdi_set_bitmode: %s\n", ftdi_get_error_string(ftdi));
return -1;
}
printf("cbus3\n");
ftdi_disable_bitbang(ftdi);
return 0;
}
int read_file(const char * filename, uint8_t ** buf, uint32_t * size_out)
{
FILE * file = fopen(filename, "rb");
@ -752,6 +753,7 @@ const struct cli_command commands[] = {
{ "list_baudrates" , 0, (void *)&do_list_baudrates , false, NULL},
{ "show_baudrate_error", 0, (void *)&do_show_baudrate_error , true, NULL},
{ "help" , 0, (void *)&do_help , false, NULL},
{ "reset" , 0, (void *)&do_reset , true, NULL},
};
constexpr int commands_length = (sizeof (commands)) / (sizeof (commands[0]));