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Dima
180220a2e3
* esp32s3-i2c implement interface * esp32s3-i2c: disable m5stamp_c3 * added simple tests without Listen * replace smoke tests * esp32s3-i2c: fix allocation in tx
36 lines
592 B
Go
36 lines
592 B
Go
//go:build esp32s3
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package machine
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import (
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"device/esp"
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)
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const (
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I2CEXT0_SCL_OUT_IDX = 89
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I2CEXT0_SDA_OUT_IDX = 90
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I2CEXT1_SCL_OUT_IDX = 91
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I2CEXT1_SDA_OUT_IDX = 92
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)
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var (
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I2C0 = &I2C{
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Bus: esp.I2C0,
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funcSCL: I2CEXT0_SCL_OUT_IDX,
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funcSDA: I2CEXT0_SDA_OUT_IDX,
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useExt1: false,
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}
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I2C1 = &I2C{
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Bus: esp.I2C1,
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funcSCL: I2CEXT1_SCL_OUT_IDX,
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funcSDA: I2CEXT1_SDA_OUT_IDX,
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useExt1: true,
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}
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)
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func initI2CExt1Clock() {
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esp.SYSTEM.SetPERIP_RST_EN0_I2C_EXT1_RST(1)
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esp.SYSTEM.SetPERIP_CLK_EN0_I2C_EXT1_CLK_EN(1)
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esp.SYSTEM.SetPERIP_RST_EN0_I2C_EXT1_RST(0)
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}
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