From 9c272383c4b06acda7841030a378c532c2b6f0f6 Mon Sep 17 00:00:00 2001 From: chucknorris101 Date: Mon, 7 Nov 2022 09:47:17 -0600 Subject: [PATCH] Update adc.c --- code/b-parasite/src/prst/adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/code/b-parasite/src/prst/adc.c b/code/b-parasite/src/prst/adc.c index 86a5781..ca22431 100644 --- a/code/b-parasite/src/prst/adc.c +++ b/code/b-parasite/src/prst/adc.c @@ -102,8 +102,8 @@ prst_adc_batt_read_t prst_adc_batt_read() { static inline double get_soil_moisture_percent( double battery_voltage, nrf_saadc_value_t raw_adc_output) { const double x = battery_voltage; - const double dry = -12.9 * x * x + 111 * x + 228; - const double wet = -5.71 * x * x + 60.2 * x + 126; + const double dry = 59.66 * x + 331; + const double wet = 34.44 * x + 173; #if PRST_ADC_SOIL_DEBUG NRF_LOG_INFO("[adc] batt: " NRF_LOG_FLOAT_MARKER, NRF_LOG_FLOAT(x)); NRF_LOG_INFO("[adc] dry: " NRF_LOG_FLOAT_MARKER " wet: " NRF_LOG_FLOAT_MARKER,