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bugfix: fix hardcoded clk_source #15

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bugfix: fix hardcoded clk_source #15

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8 changes: 7 additions & 1 deletion i2cdev.c
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Original file line number Diff line number Diff line change
Expand Up @@ -423,13 +423,19 @@ static esp_err_t i2c_setup_port(i2c_dev_t *dev) // dev is non-const to update de
.i2c_port = dev->port,
.sda_io_num = sda_pin,
.scl_io_num = scl_pin,
.clk_source = I2C_CLK_SRC_DEFAULT,
.glitch_ignore_cnt = 7,
.flags.enable_internal_pullup = (sda_pullup || scl_pullup),
// Bus speed is not set here. It's per-device or a global target for the bus can be set
// if desired, but i2c_master supports per-device speeds.
};

#if SOC_LP_I2C_SUPPORTED
bus_config.clk_source = dev->port == (i2c_port_num_t)LP_I2C_NUM_0
? LP_I2C_SCLK_DEFAULT
: I2C_CLK_SRC_DEFAULT;
#else
bus_config.clk_source = I2C_CLK_SRC_DEFAULT;
#endif
res = i2c_new_master_bus(&bus_config, &port_state->bus_handle);
if (res == ESP_OK)
{
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