client: Don't sleep in interrupt context

[tattlekey] / client / tattlekey.c

diff --git a/client/tattlekey.c b/client/tattlekey.c
index f34552bb58c8e48d2e642bb1f6c9c73f53c8669d..05488eaa7c3a1e02d17170bd6aaa4116afcfad6d 100644 (file)
--- a/client/tattlekey.c
+++ b/client/tattlekey.c
@@ -1,23 +1,43 @@
-/**
- * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
+#include "pico/cyw43_arch.h"
 #include "pico/stdlib.h"
+#include "pico/util/queue.h"
+
+#include "blink.h"
+#include "button.h"
+#include "config.h"
+#include "net.h"
+
+queue_t queue;
+
+static void button_pressed() {
+  /* This runs in interrupt context; don't linger.  */
+  char zero = '\0';
+  /* We don't check for failure (full queue) here because there's not much to be
+   * done about it. */
+  queue_try_add(&queue, &zero);
+}
 
 int main() {
-#ifndef PICO_DEFAULT_LED_PIN
-#warning blink example requires a board with a regular LED
-#else
-  const uint LED_PIN = PICO_DEFAULT_LED_PIN;
-  gpio_init(LED_PIN);
-  gpio_set_dir(LED_PIN, GPIO_OUT);
-  while (true) {
-    gpio_put(LED_PIN, 1);
-    sleep_ms(250);
-    gpio_put(LED_PIN, 0);
-    sleep_ms(250);
+  stdio_init_all();
+  if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA))
+    signal_error_by_blinking();
+  signal(1, 200);
+  cyw43_arch_enable_sta_mode();
+  signal(2, 200);
+  if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass,
+                                         CYW43_AUTH_WPA2_AES_PSK, 10000))
+    signal_error_by_blinking();
+  signal(3, 200);
+
+  queue_init(&queue, 1, 99);
+
+  begin_listening_for_button_press(button_pressed);
+
+  u16_t seq = 0;
+  while (1) {
+    char _;
+    queue_remove_blocking(&queue, &_);
+    send_report(seq++, 0);
+    signal(4, 200);
   }
-#endif
 }