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add erase and reset commands

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This commit is contained in:
Mariano Alvira 2010-03-16 16:35:39 -04:00
parent 5751beb935
commit 64e643bd0b
1 changed files with 75 additions and 13 deletions
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88
tools/ftditools/bbmc.c
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@ -34,6 +34,9 @@
#define vref2_normal(x) ( CAT(x,_VREF2H) )
#define vref2_erase(x) ( CAT(x,_VREF2L) )
/* fgets input buffer length: for prompts and such */
#define BUF_LEN 32
struct layout {
char *name;
enum ftdi_interface interface;
@ -44,6 +47,12 @@ struct layout {
uint16_t vref2_erase;
};
int print_and_prompt( struct ftdi_device_list *devlist );
int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val);
void reset(struct ftdi_context *ftdic, const struct layout * l);
void erase(struct ftdi_context *ftdic, const struct layout * l);
void usage(void);
#define std_layout(x) \
.interface = interface(x), \
.dir = dir(x), \
@ -62,15 +71,24 @@ static const struct layout layouts[] =
},
{ .name = NULL, /* end of table */ },
};
/* fgets input buffer length: for prompts and such */
#define BUF_LEN 32
int print_and_prompt( struct ftdi_device_list *devlist );
int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val);
void toggle_reset(struct ftdi_context *ftdic, const struct layout * l);
void usage(void);
struct command {
char *name;
void (*cmd)(struct ftdi_context *ftdic, const struct layout * l);
};
static const struct command commands[] =
{
{
.name = "reset",
.cmd = reset,
},
{
.name = "erase",
.cmd = erase,
},
{ .name = NULL, /* end of table */ },
};
const struct layout * find_layout(char * str)
{
@ -93,7 +111,7 @@ int main(int argc, char **argv)
int dev_index = -1; int num_devs;
char layout_str[BUF_LEN];
const struct layout *layout;
int ret;
int i, ret;
while (1) {
int c;
@ -123,7 +141,7 @@ int main(int argc, char **argv)
break;
}
}
if( !(layout = find_layout(layout_str))) {
usage();
printf("You must specify a layout\n");
@ -171,7 +189,19 @@ int main(int argc, char **argv)
fprintf(stderr, "couldn't open dev_index %d\n", dev_index);
return EXIT_FAILURE;
}
toggle_reset(&ftdic, layout);
i = 0;
while(commands[i].name != NULL) {
if(strcmp(commands[i].name, argv[optind]) == 0) { break; }
i++;
}
if(commands[i].name != NULL) {
commands[i].cmd(&ftdic, layout);
} else {
printf("invalid command\n");
}
printf("done.\n");
ftdi_list_free(&devlist);
ftdi_deinit(&ftdic);
@ -227,18 +257,50 @@ int print_and_prompt( struct ftdi_device_list *devlist )
return sel;
}
void toggle_reset(struct ftdi_context *ftdic, const struct layout * l)
void reset(struct ftdi_context *ftdic, const struct layout * l)
{
/* using MPSSE since it give access to high GPIO*/
/* set as inputs for now */
ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
printf("toggle reset\n");
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_normal));
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
return;
}
void erase(struct ftdi_context *ftdic, const struct layout * l)
{
printf("setting VREF2 erase\n");
/* using MPSSE since it give access to high GPIO*/
/* set as inputs for now */
ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_normal));
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
printf("toggle reset\n");
bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_erase));
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
printf("waiting for erase\n");
sleep(1);
printf("setting VREF2 normal\n");
bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
reset(ftdic, l);
return;
}