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-rw-r--r--shared/protocol.c125
-rw-r--r--shared/protocol.h6
-rw-r--r--shared/serial_parse.c1
3 files changed, 41 insertions, 91 deletions
diff --git a/shared/protocol.c b/shared/protocol.c
index 73063f3..77ec466 100644
--- a/shared/protocol.c
+++ b/shared/protocol.c
@@ -5,6 +5,30 @@
#include "../robot/orangutan_shim.h"
#endif
+void (*g_w2_cmd_handlers[W2_CMD_COUNT])(w2_s_bin *) = {0};
+void w2_cmd_setup_handlers() {
+ g_w2_cmd_handlers[W2_CMD_PING | W2_CMDDIR_RX] = w2_cmd_ping_rx;
+ g_w2_cmd_handlers[W2_CMD_PING | W2_CMDDIR_TX] = w2_cmd_ping_tx;
+ g_w2_cmd_handlers[W2_CMD_EXPT | W2_CMDDIR_TX] = w2_cmd_expt_tx;
+ g_w2_cmd_handlers[W2_CMD_MODE | W2_CMDDIR_RX] = w2_cmd_mode_rx;
+ g_w2_cmd_handlers[W2_CMD_MODE | W2_CMDDIR_TX] = w2_cmd_mode_tx;
+ g_w2_cmd_handlers[W2_CMD_SPED | W2_CMDDIR_RX] = w2_cmd_sped_rx;
+ g_w2_cmd_handlers[W2_CMD_DIRC | W2_CMDDIR_RX] = w2_cmd_dirc_rx;
+ g_w2_cmd_handlers[W2_CMD_CORD | W2_CMDDIR_RX] = w2_cmd_cord_rx;
+ g_w2_cmd_handlers[W2_CMD_CORD | W2_CMDDIR_TX] = w2_cmd_cord_tx;
+ g_w2_cmd_handlers[W2_CMD_BOMD | W2_CMDDIR_RX] = w2_cmd_bomd_rx;
+ g_w2_cmd_handlers[W2_CMD_BOMD | W2_CMDDIR_TX] = w2_cmd_bomd_tx;
+ g_w2_cmd_handlers[W2_CMD_SRES | W2_CMDDIR_RX] = w2_cmd_sres_rx;
+ g_w2_cmd_handlers[W2_CMD_MCFG | W2_CMDDIR_RX] = w2_cmd_mcfg_rx;
+ g_w2_cmd_handlers[W2_CMD_SENS | W2_CMDDIR_RX] = w2_cmd_sens_rx;
+ g_w2_cmd_handlers[W2_CMD_SENS | W2_CMDDIR_TX] = w2_cmd_sens_tx;
+ g_w2_cmd_handlers[W2_CMD_INFO | W2_CMDDIR_RX] = w2_cmd_info_rx;
+ g_w2_cmd_handlers[W2_CMD_INFO | W2_CMDDIR_TX] = w2_cmd_info_tx;
+ g_w2_cmd_handlers[W2_CMD_DISP | W2_CMDDIR_RX] = w2_cmd_disp_rx;
+ g_w2_cmd_handlers[W2_CMD_PLAY | W2_CMDDIR_RX] = w2_cmd_play_rx;
+ g_w2_cmd_handlers[W2_CMD_CLED | W2_CMDDIR_RX] = w2_cmd_cled_rx;
+}
+
size_t w2_cmd_sizeof(uint8_t data[W2_SERIAL_READ_BUFFER_SIZE], uint8_t data_length) {
if (data[0] == (W2_CMD_PING | W2_CMDDIR_RX)) return sizeof(w2_s_cmd_ping_rx);
if (data[0] == (W2_CMD_PING | W2_CMDDIR_TX)) return sizeof(w2_s_cmd_ping_tx);
@@ -54,101 +78,20 @@ size_t w2_cmd_mcfg_rx_sizeof(w2_s_bin *data) {
}
void w2_cmd_handler(uint8_t data[W2_SERIAL_READ_BUFFER_SIZE], uint8_t data_length) {
- w2_s_bin *copy = w2_bin_s_alloc(data_length, data);
- bool unknown = false;
-
- switch (data[0]) {
- case W2_CMD_PING | W2_CMDDIR_RX: {
- w2_cmd_ping_rx(copy);
- break;
- }
- case W2_CMD_PING | W2_CMDDIR_TX: {
- w2_cmd_ping_tx(copy);
- break;
- }
- case W2_CMD_EXPT | W2_CMDDIR_TX: {
- w2_cmd_expt_tx(copy);
- break;
- }
- case W2_CMD_MODE | W2_CMDDIR_RX: {
- w2_cmd_mode_rx(copy);
- break;
- }
- case W2_CMD_MODE | W2_CMDDIR_TX: {
- w2_cmd_mode_tx(copy);
- break;
- }
- case W2_CMD_SPED | W2_CMDDIR_RX: {
- w2_cmd_sped_rx(copy);
- break;
- }
- case W2_CMD_DIRC | W2_CMDDIR_RX: {
- w2_cmd_dirc_rx(copy);
- break;
- }
- case W2_CMD_CORD | W2_CMDDIR_RX: {
- w2_cmd_cord_rx(copy);
- break;
- }
- case W2_CMD_CORD | W2_CMDDIR_TX: {
- w2_cmd_cord_tx(copy);
- break;
- }
- case W2_CMD_BOMD | W2_CMDDIR_RX: {
- w2_cmd_bomd_rx(copy);
- break;
- }
- case W2_CMD_BOMD | W2_CMDDIR_TX: {
- w2_cmd_bomd_tx(copy);
- break;
- }
- case W2_CMD_SRES | W2_CMDDIR_RX: {
- w2_cmd_sres_rx(copy);
- break;
- }
- case W2_CMD_MCFG | W2_CMDDIR_RX: {
- w2_cmd_mcfg_rx(copy);
- break;
- }
- case W2_CMD_SENS | W2_CMDDIR_RX: {
- w2_cmd_sens_rx(copy);
- break;
- }
- case W2_CMD_SENS | W2_CMDDIR_TX: {
- w2_cmd_sens_tx(copy);
- break;
- }
- case W2_CMD_INFO | W2_CMDDIR_RX: {
- w2_cmd_info_rx(copy);
- break;
- }
- case W2_CMD_INFO | W2_CMDDIR_TX: {
- w2_cmd_info_tx(copy);
- break;
- }
- case W2_CMD_DISP | W2_CMDDIR_RX: {
- w2_cmd_disp_rx(copy);
- break;
- }
- case W2_CMD_PLAY | W2_CMDDIR_RX: {
- w2_cmd_play_rx(copy);
- break;
- }
- case W2_CMD_CLED | W2_CMDDIR_RX: {
- w2_cmd_cled_rx(copy);
- break;
- }
- default: {
+ w2_s_bin *copy = w2_bin_s_alloc(data_length, data);
+ void (*handler)(w2_s_bin *) = g_w2_cmd_handlers[data[0]];
+
+ if (handler == NULL) {
#ifdef W2_SIM
- simwarn("unknown serial message with code 0x%02x\n", data[0]);
+ // TODO throw warning
+ simwarn("unknown serial message with code 0x%02x\n", data[0]);
#endif
- unknown = true;
- }
- }
-
+ } else {
#ifdef W2_SIM
- if (!unknown) w2_sim_print_serial(copy);
+ w2_sim_print_serial(copy);
#endif
+ handler(copy);
+ }
free(copy);
}
diff --git a/shared/protocol.h b/shared/protocol.h
index adec614..5bdfcbe 100644
--- a/shared/protocol.h
+++ b/shared/protocol.h
@@ -15,6 +15,7 @@
#define W2_CMD_CODE_MASK (~1)
#define W2_CMD_DIRECTION_MASK (1)
+#define W2_CMD_COUNT 28
enum w2_e_scmds {
/** ping command */
W2_CMD_PING = 0x00,
@@ -162,6 +163,11 @@ typedef struct {
#pragma pack(pop)
+/** stores message handlers in array with opcode as index */
+extern void (*g_w2_cmd_handlers[W2_CMD_COUNT])(w2_s_bin *);
+/** fills g_w2_cmd_handlers with functions */
+void w2_cmd_setup_handlers();
+
/** global handler for complete messages */
void w2_cmd_handler(uint8_t data[W2_SERIAL_READ_BUFFER_SIZE], uint8_t length);
/** calculate message length */
diff --git a/shared/serial_parse.c b/shared/serial_parse.c
index 3bf9c14..d755dc8 100644
--- a/shared/serial_parse.c
+++ b/shared/serial_parse.c
@@ -3,6 +3,7 @@
#include "consts.h"
#include "serial_parse.h"
+// TODO: give this function last time of byte, and measure if >5ms, throw warning
void w2_serial_parse(uint8_t byte) {
static uint8_t current_message[W2_SERIAL_READ_BUFFER_SIZE] = {0};
static uint8_t current_message_index = 0;