skrueckenandCursor
9046677460
Use a uint16 LE length and 1024-byte max payload so CLIENT_INFO and BATTERY_STATUS no longer fail encoding past ~10 connected pods. Co-authored-by: Cursor <cursoragent@cursor.com>
32 lines
965 B
C
32 lines
965 B
C
#include "uart_proto.h"
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#include "esp_log.h"
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#include "pb_encode.h"
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#include "uart.h"
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#include <string.h>
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static const char *TAG = "[UART_PROTO]";
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esp_err_t uart_send_uart_message(const alox_UartMessage *msg) {
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uint8_t pb_buf[MAX_PAYLOAD_SIZE];
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pb_ostream_t stream = pb_ostream_from_buffer(pb_buf, sizeof(pb_buf));
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if (!pb_encode(&stream, alox_UartMessage_fields, msg)) {
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ESP_LOGE(TAG, "pb_encode failed type=%u (%s)", (unsigned)msg->type,
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PB_GET_ERROR(&stream));
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return ESP_FAIL;
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}
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uint8_t payload[MAX_PAYLOAD_SIZE];
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if (stream.bytes_written + 1 > sizeof(payload)) {
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ESP_LOGE(TAG, "payload too large type=%u need=%u max=%u",
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(unsigned)msg->type, (unsigned)(stream.bytes_written + 1),
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(unsigned)sizeof(payload));
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return ESP_ERR_NO_MEM;
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}
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payload[0] = (uint8_t)msg->type;
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memcpy(&payload[1], pb_buf, stream.bytes_written);
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return uart_send_framed(payload, stream.bytes_written + 1);
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}
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