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i2c io

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Alex B.
2025-08-05 08:32:52 -04:00
parent c02a81b7aa
commit f5fecac797
3 changed files with 23 additions and 1 deletions
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2
ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/CMakeLists.txt
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@@ -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 PRIV_REQUIRES spi_flash
INCLUDE_DIRS "") INCLUDE_DIRS "")

0
ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/i2c_io.c Normal file
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22
ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/i2c_io.h Normal file
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@@ -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