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command: Support 2-byte message ids

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Allow command ids, response ids, and output ids to be either 1 or 2
bytes long.  This increases the total number of message types from 128
to 16384.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2024-06-05 21:37:57 -04:00
parent 36b8831c7e
commit 589bd64ce0
4 changed files with 90 additions and 49 deletions
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9
src/command.h
View File

@@ -57,11 +57,13 @@
#define MESSAGE_SYNC 0x7E
struct command_encoder {
uint8_t msg_id, max_size, num_params;
uint16_t encoded_msgid;
uint8_t max_size, num_params;
const uint8_t *param_types;
};
struct command_parser {
uint8_t msg_id, num_args, flags, num_params;
uint16_t encoded_msgid;
uint8_t num_args, flags, num_params;
const uint8_t *param_types;
void (*func)(uint32_t *args);
};
@@ -72,6 +74,7 @@ enum {
// command.c
void *command_decode_ptr(uint32_t v);
uint_fast16_t command_parse_msgid(uint8_t **pp);
uint8_t *command_parsef(uint8_t *p, uint8_t *maxend
, const struct command_parser *cp, uint32_t *args);
uint_fast8_t command_encode_and_frame(
@@ -86,7 +89,7 @@ int_fast8_t command_find_and_dispatch(uint8_t *buf, uint_fast8_t buf_len
// out/compile_time_request.c (auto generated file)
extern const struct command_parser command_index[];
extern const uint8_t command_index_size;
extern const uint16_t command_index_size;
extern const uint8_t command_identify_data[];
extern const uint32_t command_identify_size;
const struct command_encoder *ctr_lookup_encoder(const char *str);