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I2C: Read transactions, without a STOP, won't panic anymore

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* Closes https://github.com/espressif/esp-idf/issues/8548
This commit is contained in:
Omar Chebib
2022-03-11 11:25:39 +08:00
parent 4178cdaa4f
commit 0da60f7b83
1 changed files with 3 additions and 1 deletions
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2
components/driver/i2c.c
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@@ -1286,8 +1286,10 @@ static void IRAM_ATTR i2c_master_cmd_begin_static(i2c_port_t i2c_num)
p_i2c->cmd_idx = 0; p_i2c->cmd_idx = 0;
} else { } else {
p_i2c->cmd_link.head = p_i2c->cmd_link.head->next; p_i2c->cmd_link.head = p_i2c->cmd_link.head->next;
if (p_i2c->cmd_link.head != NULL) {
p_i2c->cmd_link.head->cmd.bytes_used = 0; p_i2c->cmd_link.head->cmd.bytes_used = 0;
} }
}
} else if ((p_i2c->status == I2C_STATUS_ACK_ERROR) } else if ((p_i2c->status == I2C_STATUS_ACK_ERROR)
|| (p_i2c->status == I2C_STATUS_TIMEOUT)) { || (p_i2c->status == I2C_STATUS_TIMEOUT)) {
evt.type = I2C_CMD_EVT_DONE; evt.type = I2C_CMD_EVT_DONE;