fix(twai): twai legacy driver fixed zero dlc transmit

Closes https://github.com/espressif/esp-idf/issues/17467
2026-10-01 18:50:34 +03:00 · 2025-09-22 20:24:20 +08:00
parent 26c3b0b83c
commit e5222e01ec
4 changed files with 78 additions and 12 deletions
@@ -736,7 +736,7 @@ esp_err_t twai_transmit_v2(twai_handle_t handle, const twai_message_t *message,
        .frame = {
            .header = &header,
            .buffer = (uint8_t *)message->data,
-            .buffer_len = TWAI_FRAME_MAX_LEN,
+            .buffer_len = message->data_length_code,
        },
        .config.retry_cnt = message->ss ? 0 : -1,
        .config.loopback = message->self,