Import of the watch repository from Pebble

src/fw/services/services.c

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "services.h"
+#include "runlevel.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "console/prompt.h"
+#include "services/common/services_common.h"
+#include "services/normal/services_normal.h"
+#include "system/logging.h"
+#include "system/passert.h"
+#include "util/size.h"
+#include "util/string.h"
+
+void services_early_init(void) {
+#ifndef RECOVERY_FW
+  services_normal_early_init();
+#endif
+}
+
+void services_init(void) {
+  services_common_init();
+
+#ifndef RECOVERY_FW
+  services_normal_init();
+#endif
+}
+
+void services_set_runlevel(RunLevel runlevel) {
+  PBL_ASSERT(runlevel < RunLevel_COUNT, "Unknown runlevel %d", runlevel);
+  PBL_LOG(LOG_LEVEL_INFO, "Setting runlevel to %d", runlevel);
+  services_common_set_runlevel(runlevel);
+#ifndef RECOVERY_FW
+  services_normal_set_runlevel(runlevel);
+#endif
+}
+
+static const char *s_runlevel_debug_names[] = {
+#define RUNLEVEL(number, name) [number] = #name,
+#include "runlevel.def"
+#undef RUNLEVEL
+};
+
+void prv_list_runlevels(void) {
+  for (size_t i = 0; i < ARRAY_LENGTH(s_runlevel_debug_names); ++i) {
+    char response[80];
+    itoa_int(i, response, 10);
+    strcat(response, " - ");
+    strcat(response, s_runlevel_debug_names[i]);
+    prompt_send_response(response);
+  }
+}
+
+void command_set_runlevel(char *arg) {
+  if (strcmp(arg, "list") == 0) {
+    prv_list_runlevels();
+    return;
+  }
+
+  int runlevel = atoi(arg);
+  if (runlevel < 0 || runlevel >= RunLevel_COUNT) {
+    prompt_send_response("Unknown runlevel");
+    return;
+  } else if (runlevel == 0 && arg[0] != '0') {
+    prompt_send_response("Invalid runlevel number. Choices:");
+    prv_list_runlevels();
+    return;
+  }
+
+  char response[80];
+  strcpy(response, "Switching to runlevel ");
+  strcat(response, s_runlevel_debug_names[runlevel]);
+  prompt_send_response(response);
+
+  services_set_runlevel(runlevel);
+}