Deletes old sample

code/calibration/.gitignore

@@ -1,2 +0,0 @@
-build
-build_*

code/calibration/CMakeLists.txt

@@ -1,6 +0,0 @@
-cmake_minimum_required(VERSION 3.20.0)
-
-find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(calibration)
-
-target_sources(app PRIVATE src/main.c)

code/calibration/README.md

@@ -1,2 +0,0 @@
-# Calibration
-A sample for calibrating b-parasites soil moisture analog-to-digital conversion.

code/calibration/boards

@@ -1 +0,0 @@
-../nrf-connect/boards

code/calibration/dts

@@ -1 +0,0 @@
-../nrf-connect/dts

code/calibration/prj.conf

@@ -1,10 +0,0 @@
-CONFIG_PINCTRL=y
-CONFIG_LOG=y
-CONFIG_PWM=y
-CONFIG_PWM_LOG_LEVEL_DBG=y
-CONFIG_CBPRINTF_FP_SUPPORT=y
-CONFIG_ADC=y
-CONFIG_GPIO=y
-CONFIG_PM=y
-CONFIG_PM_DEVICE=y
-CONFIG_USE_SEGGER_RTT=y

code/calibration/src/main.c

@@ -1,83 +0,0 @@
-#include <drivers/adc.h>
-#include <drivers/gpio.h>
-#include <drivers/pwm.h>
-#include <logging/log.h>
-#include <zephyr/zephyr.h>
-
-LOG_MODULE_REGISTER(main, LOG_LEVEL_DBG);
-
-#define PRST_STRINGIFY(x) #x
-#define PRST_TO_STRING(x) PRST_STRINGIFY(x)
-#define PRST_LOCATION __FILE__ ":" PRST_TO_STRING(__LINE__)
-
-#define RET_IF_ERR_MSG(expr, msg)                  \
-  {                                                \
-    int err = (expr);                              \
-    if (err) {                                     \
-      LOG_ERR("Error: " msg " in " PRST_LOCATION); \
-      return err;                                  \
-    }                                              \
-  }
-
-#define RET_IF_ERR(expr) RET_IF_ERR_MSG(expr, "")
-
-static const struct pwm_dt_spec soil_pwm_dt =
-    PWM_DT_SPEC_GET(DT_NODELABEL(soil_pwm));
-static const uint32_t pulse = DT_PROP(DT_NODELABEL(soil_pwm), pulse);
-
-struct gpio_dt_spec fast_disch_dt =
-    GPIO_DT_SPEC_GET(DT_NODELABEL(fast_disch), gpios);
-
-static const struct adc_dt_spec adc_soil_spec =
-    ADC_DT_SPEC_GET_BY_IDX(DT_PATH(zephyr_user), 0);
-
-static const struct adc_dt_spec adc_batt_spec =
-    ADC_DT_SPEC_GET_BY_IDX(DT_PATH(zephyr_user), 2);
-
-static int16_t soil_buf;
-static struct adc_sequence soil_sequence = {
-    .buffer = &soil_buf,
-    .buffer_size = sizeof(soil_buf),
-};
-
-static int16_t batt_buf;
-static struct adc_sequence batt_sequence = {
-    .buffer = &batt_buf,
-    .buffer_size = sizeof(batt_buf),
-};
-
-int main(void) {
-  RET_IF_ERR(!device_is_ready(fast_disch_dt.port));
-  RET_IF_ERR(!device_is_ready(soil_pwm_dt.dev));
-
-  // Configure analog-to-digital channels.
-  RET_IF_ERR(adc_channel_setup_dt(&adc_soil_spec));
-  RET_IF_ERR(adc_channel_setup_dt(&adc_batt_spec));
-
-  // Configure fast discharge enable pin.
-  RET_IF_ERR(gpio_pin_configure_dt(&fast_disch_dt, GPIO_OUTPUT));
-
-  // Enable fast discharge circuit.
-  RET_IF_ERR(gpio_pin_set_dt(&fast_disch_dt, 1));
-
-  // Start PWM.
-  RET_IF_ERR(pwm_set_dt(&soil_pwm_dt, soil_pwm_dt.period, pulse));
-
-  RET_IF_ERR(adc_sequence_init_dt(&adc_soil_spec, &soil_sequence));
-  RET_IF_ERR(adc_sequence_init_dt(&adc_batt_spec, &batt_sequence));
-
-  LOG_INF("input_voltage;soil_adc_output");
-  while (true) {
-    k_msleep(500);
-
-    RET_IF_ERR(adc_read(adc_batt_spec.dev, &batt_sequence));
-    int32_t batt_val_mv = batt_buf;
-    RET_IF_ERR(adc_raw_to_millivolts_dt(&adc_batt_spec, &batt_val_mv));
-
-    RET_IF_ERR(adc_read(adc_soil_spec.dev, &soil_sequence));
-    int32_t soil_val_mv = soil_buf;
-    RET_IF_ERR(adc_raw_to_millivolts_dt(&adc_soil_spec, &soil_val_mv));
-
-    LOG_INF("%.2f;%u", batt_val_mv / 1000.0f, soil_buf);
-  }
-}