i2c io

ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/CMakeLists.txt

@@ -1,3 +1,3 @@
-idf_component_register(SRCS "i2c_multidevice.c"
+idf_component_register(SRCS "i2c_io.c" "i2c_multidevice.c"
                     PRIV_REQUIRES spi_flash
                     INCLUDE_DIRS "")

ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/i2c_io.h

@@ -0,0 +1,22 @@
+#ifndef I2C_IO_H
+#define I2C_IO_H
+
+#include <stdio.h>
+#include "driver/i2c_master.h"
+
+typedef struct {
+    SemaphoreHandle_t i2cMutex;
+    uint16_t sda;
+    uint16_t scl;
+} io_bus;
+
+i2c_master_bus_config_t bus_config = {
+    .clk_source = I2C_CLK_SRC_DEFAULT,
+    .i2c_port = I2C_NUM_0,               // Use I2C_NUM_1 for second port
+    .scl_io_num = GPIO_NUM_22,           // Your SCL pin
+    .sda_io_num = GPIO_NUM_21,           // Your SDA pin
+    .glitch_ignore_cnt = 7,
+    .flags.enable_internal_pullup = true
+};
+
+#endif