int main(int argc, char **argv)
{
struct arguments arguments;
// Default values
arguments.cmd = NULL;
arguments.reg = NULL;
arguments.value = -1;
arguments.bit_num = -1;
arguments.hw_addr = -1;
argp_parse(&argp, argc, argv, 0, 0, &arguments);
// printf("cmd = %s\nreg = %s\nbit_num = %d\nhw_addr = %d\n",
// arguments.cmd, arguments.reg, arguments.bit_num, arguments.hw_addr);
// hw_addr defaults to 0
const uint8_t hw_addr = arguments.hw_addr > 0 ? arguments.hw_addr : 0;
const uint8_t reg = str2reg(arguments.reg);
if (arguments.bit_num > 7) {
fprintf(stderr, "pifacedigital: bit num must in range 0-7.\n");
exit(1);
}
if (strcmp(arguments.cmd, "read") == 0) {
pfd_read(arguments.bit_num, reg, hw_addr);
} else if (strcmp(arguments.cmd, "write") == 0) {
pfd_write((uint8_t) (arguments.value & 0xff),
arguments.bit_num,
reg,
hw_addr);
}
exit(0);
}
int main(int argc, char **argv)
{
struct arguments arguments;
// Default values
arguments.cmd = NULL;
arguments.cmdargs[0] = NULL;
arguments.cmdargs[1] = NULL;
arguments.cmdargs[2] = NULL;
arguments.bit_num = -1;
argp_parse(&argp, argc, argv, 0, 0, &arguments);
// printf("cmd = %s\ncmdargs[0] = %s\ncmdargs[1] = %s\n"
// "cmdargs[2] = %s\nbit_num = %d\n",
// arguments.cmd,
// arguments.cmdargs[0],
// arguments.cmdargs[1],
// arguments.cmdargs[2],
// arguments.bit_num);
if (arguments.bit_num > 7) {
fprintf(stderr, "pifacecad: bit num must in range 0-7.\n");
exit(1);
}
pifacecad_open_noinit();
if (strcmp(arguments.cmd, "open") == 0) {
pifacecad_open();
int i;
for (i = 0; i <= 2; i++) {
if (arguments.cmdargs[i] == NULL) {
continue;
}
if (strcmp(arguments.cmdargs[i], "displayoff") == 0) {
pifacecad_lcd_display_off();
}
if (strcmp(arguments.cmdargs[i], "blinkoff") == 0) {
pifacecad_lcd_blink_off();
}
if (strcmp(arguments.cmdargs[i], "cursoroff") == 0) {
pifacecad_lcd_cursor_off();
}
}
} else if (strcmp(arguments.cmd, "read") == 0) {
pfc_read_switch(arguments.bit_num, str2reg(arguments.cmdargs[0]));
} else if (strcmp(arguments.cmd, "write") == 0) {
pifacecad_lcd_write(arguments.cmdargs[0]);
} else if (strcmp(arguments.cmd, "backlight") == 0) {
if (strcmp(arguments.cmdargs[0], "on") == 0) {
pifacecad_lcd_backlight_on();
} else {
pifacecad_lcd_backlight_off();
}
} else if (strcmp(arguments.cmd, "home") == 0) {
pifacecad_lcd_home();
} else if (strcmp(arguments.cmd, "clear") == 0) {
pifacecad_lcd_clear();
} else if (strcmp(arguments.cmd, "setcursor") == 0) {
const uint8_t col = atoi(arguments.cmdargs[0]);
const uint8_t row = atoi(arguments.cmdargs[1]);
pifacecad_lcd_set_cursor(col, row);
}
pifacecad_close();
exit(0);
}
bool
str2operand(operand_t *op, char const *str)
{
int val, tag, size;
bool rex_used;
uint64_t ival;
char const *ptr = str;
char *wptr;
while (*ptr++ == ' ');
ptr--;
{
char strcopy[strlen(ptr)+1];
opertype_t type;
strlcpy(strcopy, ptr, sizeof strcopy);
wptr = strcopy + strlen(strcopy) - 1;
while (*wptr == ' ') {
wptr--;
}
*(++wptr) = '\0';
ptr = strcopy;
type = str_op_get_type(ptr);
switch (type) {
case op_reg:
if (!str2reg(ptr, &val, &tag, &size, &rex_used)) {
return false;
}
op->type = type;
op->size = size;
ASSERT(op->size == size);
op->val.reg = val;
ASSERT(op->val.reg == val);
op->tag.reg = tag;
op->rex_used = rex_used;
ASSERT(op->rex_used == rex_used);
return true;
case op_imm:
if (!str2imm(ptr, &ival, &tag, &size)) {
return false;
}
op->type = type;
op->size = size;
op->val.imm = ival;
op->tag.imm = tag;
return true;
case op_seg:
if (!str2seg(ptr, &val, &tag)) {
return false;
}
op->type = type;
op->size = 0;
op->val.seg = val;
ASSERT(op->val.seg == val);
op->tag.seg = tag;
return true;
case op_prefix:
if (!str2prefix(ptr, &val, &tag)) {
return false;
}
op->type = type;
op->size = 0;
op->val.prefix = val;
op->tag.prefix = tag;
return true;
default:
ASSERT(0);
break;
}
return false;
}
}
