Implementation of the module for the sensor "SGP30"

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "MicroPython_BUILD/components/micropython/esp32/libs/sgp"]
+	path = MicroPython_BUILD/components/micropython/esp32/libs/sgp
+	url = https://github.com/Sensirion/embedded-sgp.git
+[submodule "MicroPython_BUILD/components/micropython/esp32/libs/sgp"]
+	path = MicroPython_BUILD/components/micropython/esp32/libs/sgp
+	url = [email protected]:Sensirion/embedded-sgp.git

MicroPython_BUILD/components/micropython/Kconfig.projbuild

@@ -322,6 +322,12 @@ menu "MicroPython"
             default n
             help
                 Include Display module into build
+
+        config MICROPY_USE_SGP30_SENSOR
+            bool "Use SGP30 sensor"
+            default n
+            help
+                Include sensor driver SGP30 into build 
 
         config MICROPY_USE_TFT
             depends on MICROPY_USE_DISPLAY

MicroPython_BUILD/components/micropython/component.mk

@@ -122,6 +122,12 @@ ifdef CONFIG_MICROPY_USE_REQUESTS
 MP_EXTRA_INC += -I$(ESPCOMP)/esp_http_client/include/
 endif
 
+ifdef CONFIG_MICROPY_USE_SGP30_SENSOR
+MP_EXTRA_INC += -I$(COMPONENT_PATH)/esp32/libs/sgp/sgp30
+MP_EXTRA_INC += -I$(COMPONENT_PATH)/esp32/libs/sgp/embedded-common
+MP_EXTRA_INC += -I$(COMPONENT_PATH)/esp32/libs/sgp/sgp-common
+endif
+
 # CPP macro
 # ------------
 CPP = $(CC) -E
@@ -189,6 +195,10 @@ ifdef CONFIG_MICROPY_USE_DISPLAY
 SRC_C += esp32/moddisplay.c
 endif
 
+ifdef CONFIG_MICROPY_USE_SGP30_SENSOR
+SRC_C += esp32/modsgp30.c
+endif
+
 ifdef CONFIG_MICROPY_USE_CURL
 SRC_C += esp32/modcurl.c
 endif
@@ -278,6 +288,13 @@ LIBS_SRC_C += \
 	esp32/libs/tft/def_small.c
 endif
 
+ifdef CONFIG_MICROPY_USE_SGP30_SENSOR
+LIBS_SRC_C += \
+	esp32/libs/sgp/sgp30/sgp30.c \
+	esp32/libs/sgp/sgp30/sgp30_featureset.c \
+	esp32/libs/sgp/embedded-common/sensirion_common.c
+endif
+
 ifdef CONFIG_MICROPY_USE_EVE
 LIBS_SRC_C += \
 	esp32/libs/eve/FT8_commands.c \

MicroPython_BUILD/components/micropython/esp32/machine_hw_i2c.c

@@ -40,6 +40,7 @@
 #include "py/obj.h"
 
 #include "modmachine.h"
+#include "machine_hw_i2c.h"
 
 #define I2C_ACK_CHECK_EN            (1)
 #define I2C_RX_MAX_BUFF_LEN			2048	// maximum low level commands receive buffer length
@@ -53,25 +54,6 @@
 #define I2C_SLAVE_CBTYPE_DATA_RX    2
 #define I2C_SLAVE_CBTYPE_DATA_TX    4
 
-typedef struct _mp_machine_i2c_obj_t {
-    mp_obj_base_t base;
-    uint32_t speed;
-    uint8_t mode;
-    uint8_t scl;
-    uint8_t sda;
-    int8_t bus_id;
-    i2c_cmd_handle_t cmd;
-    uint16_t rx_buflen;			// low level commands receive buffer length
-    uint16_t rx_bufidx;			// low level commands receive buffer index
-    uint8_t *rx_data;			// low level commands receive buffer
-    int8_t slave_addr;			// slave only, slave 8-bit address
-    uint16_t slave_buflen;		// slave only, data buffer length
-    uint16_t slave_rolen;       // slave only, read only buffer area length
-    uint32_t *slave_cb;	        // slave only, slave callback function
-    bool slave_busy;
-    uint8_t slave_cbtype;
-} mp_machine_i2c_obj_t;
-
 
 extern int MainTaskCore;
 
@@ -121,7 +103,7 @@ STATIC esp_err_t i2c_init_slave (mp_machine_i2c_obj_t *i2c_obj, bool busy)
 }
 
 //------------------------------------------------------------------------------------------------------------------------------------------------------------
-STATIC int mp_i2c_master_write(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memwrite, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop)
+int mp_i2c_master_write(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memwrite, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop)
 {
 	esp_err_t ret = ESP_FAIL;
 
@@ -154,7 +136,7 @@ STATIC int mp_i2c_master_write(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_add
 }
 
 //----------------------------------------------------------------------------------------------------------------------------------------------------------
-STATIC int mp_i2c_master_read(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memread, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop)
+int mp_i2c_master_read(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memread, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop)
 {
 	esp_err_t ret = ESP_FAIL;
 

MicroPython_BUILD/components/micropython/esp32/machine_hw_i2c.h

@@ -0,0 +1,36 @@
+/*
+ * machine_hw_i2c.h
+ *
+ *  Created on: 31 июл. 2018 г.
+ *      Author: vrubel
+ */
+
+#ifndef COMPONENTS_MICROPYTHON_ESP32_MACHINE_HW_I2C_H_
+#define COMPONENTS_MICROPYTHON_ESP32_MACHINE_HW_I2C_H_
+
+#include "driver/i2c.h"
+#include "py/obj.h"
+
+typedef struct _mp_machine_i2c_obj_t {
+    mp_obj_base_t base;
+    uint32_t speed;
+    uint8_t mode;
+    uint8_t scl;
+    uint8_t sda;
+    int8_t bus_id;
+    i2c_cmd_handle_t cmd;
+    uint16_t rx_buflen;			// low level commands receive buffer length
+    uint16_t rx_bufidx;			// low level commands receive buffer index
+    uint8_t *rx_data;			// low level commands receive buffer
+    int8_t slave_addr;			// slave only, slave 8-bit address
+    uint16_t slave_buflen;		// slave only, data buffer length
+    uint16_t slave_rolen;       // slave only, read only buffer area length
+    uint32_t *slave_cb;	        // slave only, slave callback function
+    bool slave_busy;
+    uint8_t slave_cbtype;
+} mp_machine_i2c_obj_t;
+
+int mp_i2c_master_write(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memwrite, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop);
+int mp_i2c_master_read(mp_machine_i2c_obj_t *i2c_obj, uint16_t slave_addr, uint8_t memread, uint32_t memaddr, uint8_t *data, uint16_t len, bool stop);
+
+#endif /* COMPONENTS_MICROPYTHON_ESP32_MACHINE_HW_I2C_H_ */