Initial (empty) Si7021 driver

include/mgos_si7021.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "mgos.h"
+#include "mgos_i2c.h"
+
+#define MGOS_SI7021_READ_DELAY (2)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct mgos_si7021;
+
+/*
+ *
+ */
+struct mgos_si7021 *mgos_si7021_create(struct mgos_i2c *i2c, uint8_t i2caddr);
+
+/*
+ *
+ */
+void mgos_si7021_destroy(struct mgos_si7021 **sensor);
+
+/*
+ *
+ */
+bool mgos_si7021_read(struct mgos_si7021 *sensor);
+
+/*
+ *
+ */
+float mgos_si7021_getTemperature(struct mgos_si7021 *sensor);
+
+/*
+ *
+ */
+float mgos_si7021_getHumidity(struct mgos_si7021 *sensor);
+
+/*
+ *
+ */
+bool mgos_si7021_i2c_init(void);
+
+#ifdef __cplusplus
+}
+#endif