1 files changed, 35 insertions, 14 deletions

diff --git a/robot/errcatch.c b/robot/errcatch.c
index 0dc60e9..8df90b8 100644
--- a/robot/errcatch.c
+++ b/robot/errcatch.c
@@ -1,61 +1,82 @@
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "consts.h"
 #include "errcatch.h"
-#include "halt.h"
 #include "modes.h"
 #include "orangutan_shim.h"
+#include "sercomm.h"
 
 w2_s_error *g_w2_error_buffer[W2_ERROR_BUFFER_SIZE] = {};
 uint8_t g_w2_error_index							= 0;
 uint8_t g_w2_error_offset							= 0;
+uint8_t g_w2_error_buffer_full						= 0;
+uint8_t g_w2_error_uncaught							= 0;
 
 void w2_errcatch_main() {
-	while (g_w2_error_index != g_w2_error_offset) {
+	while (g_w2_error_offset != g_w2_error_index) {
 		w2_s_error *error = g_w2_error_buffer[g_w2_error_offset];
 		w2_errcatch_handle_error(error);
 		g_w2_error_offset = (g_w2_error_offset + 1) % W2_ERROR_BUFFER_SIZE;
 	}
+	if (g_w2_error_buffer_full) {
+		w2_errcatch_throw(W2_E_WARN_ERR_BUFFER_FULL);
+		g_w2_error_buffer_full = 0;
+	}
+	if (g_w2_error_uncaught) {
+		w2_errcatch_throw(W2_E_WARN_UNCAUGHT_ERROR);
+		g_w2_error_uncaught = 0;
+	}
 }
 
-w2_s_error *w2_alloc_error(enum w2_e_errorcodes code, uint16_t length, const char *message) {
-	w2_s_error *error = calloc(sizeof(w2_s_error) + length, 1);
+w2_s_error *w2_alloc_error(w2_e_errorcode code, uint16_t length, const char *message) {
+	w2_s_error *error = malloc(sizeof(w2_s_error) + length);
 	memcpy(error, &(w2_s_error const){.code = code, .message_length = length}, sizeof(w2_s_error));
 	strncpy(error->message, message, length);
 
 	return error;
 }
 
-void w2_errcatch_throw(enum w2_e_errorcodes code) { w2_errcatch_throw_msg(code, 0, ""); }
-void w2_errcatch_throw_msg(enum w2_e_errorcodes code, uint16_t length, const char *message) {
+void w2_errcatch_throw(w2_e_errorcode code) { w2_errcatch_throw_msg(code, 0, ""); }
+void w2_errcatch_throw_msg(w2_e_errorcode code, uint16_t length, const char *message) {
+	uint8_t next_index	   = (g_w2_error_index + 1) % W2_ERROR_BUFFER_SIZE;
+	g_w2_error_buffer_full = next_index == g_w2_error_offset;
 	free(g_w2_error_buffer[g_w2_error_index]);
 	w2_s_error *error					= w2_alloc_error(code, length, message);
 	g_w2_error_buffer[g_w2_error_index] = error;
-	g_w2_error_index					= (g_w2_error_index + 1) % W2_ERROR_BUFFER_SIZE;
+	if (g_w2_error_buffer_full) return;
+	g_w2_error_index = next_index;
 }
 
 void w2_errcatch_handle_error(w2_s_error *error) {
-	uint8_t severity = error->code & W2_ERR_TYPE_MASK;
+	uint8_t severity = error->code & W2_E_TYPE_MASK;
 
 	// trigger emergency mode for critical errors
-	if ((severity ^ W2_ERR_TYPE_CRIT) == 0) g_w2_current_mode = &w2_mode_halt;
+	if ((severity ^ W2_E_TYPE_CRIT) == 0) w2_modes_call(W2_M_HALT);
 
 	// TODO: handle more error types
 	switch (error->code) {
-		case W2_ERR_UNCAUGHT_ERROR: {
+		case W2_E_WARN_UNCAUGHT_ERROR: {
 			break;
 		}
 		default: {
-			w2_errcatch_throw(W2_ERR_UNCAUGHT_ERROR);
+			g_w2_error_uncaught = 1;
 #ifdef W2_SIM
 			simwarn("Uncaught/unhandled error found with code 0x%02x\n", error->code);
 #endif
 		}
 	}
 
-	// TODO: forward error to sercomm
+	// forward error to sercomm
+	size_t msg_size		  = sizeof(w2_s_cmd_expt_tx) + sizeof(uint8_t) * error->message_length;
+	w2_s_cmd_expt_tx *msg = malloc(msg_size);
+	msg->opcode			  = W2_CMD_EXPT | W2_CMDDIR_TX;
+	msg->error			  = error->code;
+	msg->length			  = error->message_length;
+	memcpy(msg->message, error->message, error->message_length);
+	w2_s_bin *msg_bin = w2_bin_s_alloc(msg_size, (uint8_t *)msg);
+	w2_sercomm_append_msg(msg_bin);
+	free(msg);
+	free(msg_bin);
 
 	return;
 }