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hfp: fix lookahead processing for custom commands

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This commit is contained in:
Matthias Ringwald 2023-05-30 12:41:22 +02:00
parent b632467195
commit f79a7821e6
1 changed files with 11 additions and 1 deletions
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12
src/classic/hfp.c
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@ -1310,8 +1310,18 @@ static bool hfp_parser_is_separator( uint8_t byte){
}
}
// returns true if received bytes was processed. Otherwise, functions will be called with same byte again
// this is used to for a one byte lookahead, where an unexpected byte is pushed back by returning false
static bool hfp_parse_byte(hfp_connection_t * hfp_connection, uint8_t byte, int isHandsFree){
#ifdef HFP_DEBUG
if (byte >= ' '){
printf("Parse '%c' - state %u, buffer %s\n", byte, hfp_connection->parser_state, hfp_connection->line_buffer);
} else {
printf("Parse 0x%02x - state %u, buffer %s\n", byte, hfp_connection->parser_state, hfp_connection->line_buffer);
}
#endif
// handle doubles quotes
if (byte == '"'){
hfp_connection->parser_quoted = !hfp_connection->parser_quoted;
@ -1384,7 +1394,7 @@ static bool hfp_parse_byte(hfp_connection_t * hfp_connection, uint8_t byte, int
const hfp_custom_at_command_t * at_command = hfp_custom_command_lookup(isHandsFree, (const char *) hfp_connection->line_buffer);
hfp_connection->custom_at_command_id = at_command->command_id;
hfp_connection->parser_state = HFP_PARSER_CUSTOM_COMMAND;
return true;
return processed;
}
// next state