split into more components

Signed-off-by: Peter Siegmund <peter@rdkr.com>

ePaper-ESP-IDF/components/splash_screen/splash_screen.c

@@ -0,0 +1,48 @@
+#include "splash_screen.h"
+#include <stdio.h>
+#include "connectivity.h"
+#include "epd_driver.h"
+#include "fonts/opensans16.h"
+#include "nvs_flash.h"
+#include "sdkconfig.h"
+
+void nvs_init(void) {
+  esp_err_t ret = nvs_flash_init();
+  if (ret == ESP_ERR_NVS_NO_FREE_PAGES ||
+      ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+    ESP_ERROR_CHECK(nvs_flash_erase());
+    ret = nvs_flash_init();
+  }
+  ESP_ERROR_CHECK(ret);
+}
+
+void wifi_init(void) {
+  epd_poweron();
+  epd_clear();
+  int32_t x = 100;
+  int32_t y = 100;
+  const int16_t bufferSize = 200;
+  char buffer[bufferSize];
+  snprintf(buffer, bufferSize, "Connecting to SSDI: %s", CONFIG_WIFI_SSID);
+  writeln(&OpenSans16, buffer, &x, &y, NULL);
+  esp_err_t ret = init_wifi();
+  if (ret != ESP_OK) {
+    epd_clear();
+    x = 100;
+    y = 100;
+    snprintf(buffer, bufferSize, "Failed to connect to WiFi: %s",
+             esp_err_to_name(ret));
+    writeln(&OpenSans16, buffer, &x, &y, NULL);
+    epd_poweroff();
+    while (1) {
+      ///
+    };
+  }
+  epd_poweroff();
+}
+
+void splash_screen(void) {
+  epd_init();
+  nvs_init();
+  wifi_init();
+}