simon
e95097085d
Centralize protobuf decode, response init/send, registration, and common nanopb encode callbacks; refactor existing cmd_* modules to use them. Co-authored-by: Cursor <cursoragent@cursor.com>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
#ifndef UART_CMD_H
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#define UART_CMD_H
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#include "cmd_handler.h"
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#include "esp_err.h"
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#include "pb.h"
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#include "uart_messages.pb.h"
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/** Decode framed UART body (protobuf UartMessage without the leading type byte). */
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esp_err_t uart_cmd_decode(const uint8_t *data, size_t len, alox_UartMessage *out);
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/** Set type + oneof tag on an outbound UartMessage. */
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void uart_cmd_init_response(alox_UartMessage *msg, alox_MessageType type,
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pb_size_t which_payload);
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/** Encode and send; logs on failure when log_tag is non-NULL. */
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esp_err_t uart_cmd_send(const alox_UartMessage *msg, const char *log_tag);
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esp_err_t uart_cmd_register(alox_MessageType type, msg_callback_t cb);
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/** Nanopb encode callback for a NUL-terminated C string. */
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bool uart_cmd_encode_string(pb_ostream_t *stream, const pb_field_t *field,
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void *const *arg);
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typedef struct {
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const uint8_t *data;
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size_t len;
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} uart_cmd_bytes_t;
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/** Nanopb encode callback; arg is uart_cmd_bytes_t *. */
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bool uart_cmd_encode_bytes(pb_ostream_t *stream, const pb_field_t *field,
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void *const *arg);
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#define UART_CMD_REQ(msg, tag, field) \
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((msg)->which_payload == (tag) ? &(msg)->payload.field : NULL)
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#endif
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