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proposal to i2c #19

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merged 2 commits into from
Feb 21, 2018
Merged

proposal to i2c #19

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323e240
proposal to i2c
ESP32DE Feb 3, 2018
642d201
Update esp32-hal-i2c.c
ESP32DE Feb 21, 2018
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6 changes: 4 additions & 2 deletions cores/esp32/esp32-hal-i2c.c
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Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,8 @@ i2c_err_t i2cAttachSCL(i2c_t * i2c, int8_t scl)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
pinMode(scl, OUTPUT_OPEN_DRAIN | PULLUP);
digitalWrite(scl, HIGH);
pinMode(scl, OPEN_DRAIN | PULLUP);
pinMatrixOutAttach(scl, I2C_SCL_IDX(i2c->num), false, false);
pinMatrixInAttach(scl, I2C_SCL_IDX(i2c->num), false);
return I2C_ERROR_OK;
Expand All @@ -197,7 +198,8 @@ i2c_err_t i2cAttachSDA(i2c_t * i2c, int8_t sda)
if(i2c == NULL){
return I2C_ERROR_DEV;
}
pinMode(sda, OUTPUT_OPEN_DRAIN | PULLUP);
digitalWrite(sda, HIGH);
pinMode(sda, OPEN_DRAIN | PULLUP);
pinMatrixOutAttach(sda, I2C_SDA_IDX(i2c->num), false, false);
pinMatrixInAttach(sda, I2C_SDA_IDX(i2c->num), false);
return I2C_ERROR_OK;
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