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Merge branch 'bugfix/fix_i2c_crash' into 'master'

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I2C: Fix I2C Master operation with repeated start condition

Closes IDFGH-6719 and IDFGH-6724

See merge request espressif/esp-idf!17035
This commit is contained in:
Omar Chebib 2022-02-10 07:05:59 +00:00
commit 0cfa7ca20f
1 changed files with 3 additions and 1 deletions
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4
components/driver/i2c.c
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@ -1335,7 +1335,9 @@ static void IRAM_ATTR i2c_master_cmd_begin_static(i2c_port_t i2c_num)
p_i2c->cmd_idx = 0;
if (i2c_cmd_is_single_byte(cmd) || cmd->total_bytes == cmd->bytes_used) {
p_i2c->cmd_link.head = p_i2c->cmd_link.head->next;
p_i2c->cmd_link.head->cmd.bytes_used = 0;
if(p_i2c->cmd_link.head) {
p_i2c->cmd_link.head->cmd.bytes_used = 0;
}
}
p_i2c->status = I2C_STATUS_WRITE;
break;