tests/driver_ads101x: initial support

tests/driver_ads101x/Makefile

@@ -0,0 +1,7 @@
+include ../Makefile.tests_common
+
+FEATURES_REQUIRED = periph_i2c
+
+USEMODULE += ads101x
+
+include $(RIOTBASE)/Makefile.include

tests/driver_ads101x/main.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2017 OTA keys S.A.
+ *               2018 Matthew Blue <matthew.blue.neuro@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup tests
+ * @{
+ *
+ * @file
+ * @brief       Test application for the ADS101x/111x ADC driver
+ *
+ * @author      Vincent Dupont <vincent@otakeys.com>
+ * @author      Matthew Blue <matthew.blue.neuro@gmail.com>
+ * @}
+ */
+
+#include <stdio.h>
+
+#include "xtimer.h"
+#include "timex.h"
+#include "ads101x.h"
+#include "ads101x_params.h"
+#include "ads101x_regs.h"
+
+#define SLEEP       (100 * US_PER_MS)
+
+static ads101x_t dev;
+static ads101x_alert_t alert_dev;
+
+static void alert_cb(void *arg)
+{
+    (void)arg;
+    puts("\n[Alert!]");
+}
+
+int main(void)
+{
+    int16_t data;
+
+    puts("ADS101X analog to digital driver test application\n");
+    printf("Initializing ADS101x analog to digital at I2C_DEV(%i)... ",
+           ads101x_params->i2c);
+
+    if (ads101x_init(&dev, ads101x_params) == ADS101X_OK) {
+        puts("[OK]");
+    }
+    else {
+        puts("[Failed]");
+        return -1;
+    }
+
+    printf("Initializing ADS101x alert at I2C_DEV(%i)... ",
+           ads101x_alert_params->i2c);
+
+    if (ads101x_alert_init(&alert_dev, ads101x_alert_params) == ADS101X_OK) {
+        puts("[OK]");
+    }
+    else {
+        puts("[Failed]");
+        return -1;
+    }
+
+    printf("Enabling alert interrupt: ");
+    if (ads101x_enable_alert(&alert_dev, alert_cb, NULL) == ADS101X_OK) {
+        puts("[OK]");
+    }
+    else {
+        puts("[Failed]");
+        return -1;
+    }
+
+    while (1) {
+        printf("Raw analog read. CH0: ");
+        ads101x_set_mux_gain(&dev, ADS101X_AIN0_SINGM | ADS101X_PGA_FSR_2V048);
+        if (ads101x_read_raw(&dev, &data) == ADS101X_OK) {
+            printf("%d", data);
+        }
+        else {
+            puts("[Fail]");
+            continue;
+        }
+
+        printf(" CH1: ");
+        ads101x_set_mux_gain(&dev, ADS101X_AIN1_SINGM | ADS101X_PGA_FSR_2V048);
+        if (ads101x_read_raw(&dev, &data) == ADS101X_OK) {
+            printf("%d", data);
+        }
+        else {
+            puts("[Fail]");
+            continue;
+        }
+
+        printf(" CH2: ");
+        ads101x_set_mux_gain(&dev, ADS101X_AIN2_SINGM | ADS101X_PGA_FSR_2V048);
+        if (ads101x_read_raw(&dev, &data) == ADS101X_OK) {
+            printf("%d", data);
+        }
+        else {
+            puts("[Fail]");
+            continue;
+        }
+
+        printf(" CH3: ");
+        ads101x_set_mux_gain(&dev, ADS101X_AIN3_SINGM | ADS101X_PGA_FSR_2V048);
+        if (ads101x_read_raw(&dev, &data) == ADS101X_OK) {
+            printf("%d", data);
+        }
+        else {
+            puts("[Fail]");
+            continue;
+        }
+
+        puts("");
+
+        xtimer_usleep(SLEEP);
+    }
+
+    return 0;
+}