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base repository: espressif/arduino-esp32
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base: master
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head repository: anton-b/arduino-esp32
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compare: Prevent_lockup_in_i2cInitFix
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  • 1 commit
  • 1 file changed
  • 1 contributor

Commits on Aug 22, 2017

  1. Change to retry setting up I2C command rather than waiting without ma… 

    …king a reattempt.
    @lonerzzz
    lonerzzz committed Aug 22, 2017
    Copy the full SHA
    6fcc353 View commit details
Showing with 3 additions and 2 deletions.
  1. +3 −2 cores/esp32/esp32-hal-i2c.c
5 changes: 3 additions & 2 deletions cores/esp32/esp32-hal-i2c.c
View file
Original file line number Diff line number Diff line change
@@ -445,7 +445,8 @@ void i2cInitFix(i2c_t * i2c){
i2c->dev->fifo_data.data = 0;
i2cSetCmd(i2c, 1, I2C_CMD_WRITE, 1, false, false, false);
i2cSetCmd(i2c, 2, I2C_CMD_STOP, 0, false, false, false);
i2c->dev->ctr.trans_start = 1;
while(!i2c->dev->command[2].done);
do {
i2c->dev->ctr.trans_start = 1;
} while(!i2c->dev->command[2].done);
I2C_MUTEX_UNLOCK();
}