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-rw-r--r--main/init.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/main/init.c b/main/init.c
new file mode 100644
index 0000000..08177c7
--- /dev/null
+++ b/main/init.c
@@ -0,0 +1,59 @@
+#include "config.h"
+#include "init.h"
+#include "i2c.h"
+
+#include <FreeRTOS.h>
+#include <task.h>
+#include <event_groups.h>
+
+#include <pico/stdio.h>
+#include <pico/cyw43_arch.h>
+
+EventGroupHandle_t init_complete;
+
+static void init_stdio() {
+ stdio_init_all();
+}
+
+static void init_cyw34() {
+ if (cyw43_arch_init_with_country(CONF_NET_COUNTRY))
+ panic("cyw43_arch_init_with_country failed\n");
+}
+
+static void init_wifi() {
+ // enable 'station' mode (connect to an access point instead of acting like one)
+ cyw43_arch_enable_sta_mode();
+
+ // if (cyw43_arch_wifi_connect_timeout_ms(CONF_NET_SSID, CONF_NET_PASS, CONF_NET_AUTH, CONF_NET_CONN_TIMEOUT))
+ // panic("cyw43_arch_wifi_connect failed\n");
+
+ printf("connected to Wi-Fi\n");
+
+ // TODO: announce hostname(?)
+}
+
+static void async_init() {
+ init_cyw34();
+ init_i2c();
+ init_wifi();
+
+ xEventGroupSetBits(init_complete, 1);
+
+ // delete self
+ vTaskDelete(NULL);
+}
+
+void init() {
+ init_complete = xEventGroupCreate();
+
+ // used for debug `printf` and `panic` on errors
+ init_stdio();
+
+ // defer other initialization until the task scheduler is running (important)
+ xTaskCreate((TaskFunction_t) async_init, "init", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY + 4, NULL);
+}
+
+void await_init() {
+ xEventGroupWaitBits(init_complete, 1, pdFALSE, pdFALSE, portMAX_DELAY);
+}
+