diff options
Diffstat (limited to 'src/linux/analog.c')
| -rw-r--r-- | src/linux/analog.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/linux/analog.c b/src/linux/analog.c index 2ce085a8..aa8fb701 100644 --- a/src/linux/analog.c +++ b/src/linux/analog.c @@ -15,15 +15,17 @@ DECL_CONSTANT("ADC_MAX", 4095); // Assume 12bit adc -DECL_ENUMERATION_RANGE("pin", "analog0", 0, 8); +#define ANALOG_START (1<<8) + +DECL_ENUMERATION_RANGE("pin", "analog0", ANALOG_START, 8); #define IIO_PATH "/sys/bus/iio/devices/iio:device0/in_voltage%d_raw" struct gpio_adc -gpio_adc_setup(uint8_t pin) +gpio_adc_setup(uint32_t pin) { char fname[256]; - snprintf(fname, sizeof(fname), IIO_PATH, pin); + snprintf(fname, sizeof(fname), IIO_PATH, pin-ANALOG_START); int fd = open(fname, O_RDONLY|O_CLOEXEC); if (fd < 0) { |