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Code Issues Releases Activity

GPIO able to be controlled by pin sysfs number like RPi.GPIO, close #65

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This commit is contained in:
Robert Wolterman
2017-09-13 10:35:32 -05:00
parent e3a077bf82
commit e7db735a2f
9 changed files with 231 additions and 40 deletions
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33
source/common.c
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@ -371,6 +371,28 @@ int gpio_pud_capable(pins_t *pin)
return capable;
}
int lookup_gpio_by_number(const char *num) {
// Convert the char to an int
char *ptr;
long ret;
int gpnum;
ret = strtol(num, &ptr, 10);
if (ret == 0) {
return -1;
}
// If we make it here, lets look for the data
pins_t *p;
for (p = pins_info; p->key != NULL; ++p) {
gpnum = gpio_number(p);
// If the number of the gpio pin matches the input
// we are
if (gpnum == (int)ret) {
return gpnum;
}
}
return -1;
}
int lookup_gpio_by_key(const char *key)
{
pins_t *p;
@ -541,10 +563,13 @@ int get_gpio_number(const char *key, int *gpio)
if (*gpio <= 0) {
*gpio = lookup_gpio_by_name(key);
if (*gpio <= 0) {
*gpio = lookup_gpio_by_altname(key);
if (*gpio <=0) {
status = -1; /* error */
}
*gpio = lookup_gpio_by_altname(key);
if (*gpio <=0) {
*gpio = lookup_gpio_by_number(key);
if (*gpio <= 0) {
status = -1; /* error */
}
}
}
}
return status;