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I2C: Fix I2C Master operation with repeated start condition

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* Closes https://github.com/espressif/esp-idf/pull/8353
This commit is contained in:
Dmitry Koptsov
2022-02-05 09:33:16 +03:00
committed by Omar Chebib
parent 47583770a1
commit f60a914bae
1 changed files with 3 additions and 1 deletions
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4
components/driver/i2c.c
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@@ -1342,7 +1342,9 @@ 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;