diff options
Diffstat (limited to 'src/avr/gpio.c')
| -rw-r--r-- | src/avr/gpio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/avr/gpio.c b/src/avr/gpio.c index c7ca1220..6ff21c26 100644 --- a/src/avr/gpio.c +++ b/src/avr/gpio.c @@ -74,7 +74,7 @@ gpio_out_write(struct gpio_out g, uint8_t val) struct gpio_in gpio_in_setup(uint8_t pin, int8_t pull_up) { - if (GPIO2PORT(pin) >= ARRAY_SIZE(digital_regs)) + if (GPIO2PORT(pin) >= ARRAY_SIZE(digital_regs) || pull_up < 0) goto fail; struct gpio_digital_regs *regs = GPIO2REGS(pin); if (! regs) @@ -83,7 +83,7 @@ gpio_in_setup(uint8_t pin, int8_t pull_up) gpio_in_reset(g, pull_up); return g; fail: - shutdown("Not an input pin"); + shutdown("Not a valid input pin"); } void |