X-Git-Url: http://git.scottworley.com/tattlekey/blobdiff_plain/2f7a1e89aa19dac7903e743e60b275a54a0230cf..c8c900a6b1e1efdb42ddf7cd3d773f7c7cbed646:/client/tattlekey.c diff --git a/client/tattlekey.c b/client/tattlekey.c index ff61f43..b37773c 100644 --- a/client/tattlekey.c +++ b/client/tattlekey.c @@ -9,17 +9,18 @@ queue_t queue; +uint32_t time_s() { return time_us_64() / 1000000ul; } + static void button_pressed() { /* This runs in interrupt context; don't linger. */ static uint64_t last_button_press_time = 0; - uint64_t now = time_us_64(); - uint64_t time_since_last_press = now - last_button_press_time; - if (time_since_last_press > minimum_microseconds_between_button_presses) { + uint32_t now = time_s(); + uint32_t time_since_last_press = now - last_button_press_time; + if (time_since_last_press >= minimum_seconds_between_button_presses) { last_button_press_time = now; - 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); + queue_try_add(&queue, &now); } } @@ -27,23 +28,28 @@ int main() { 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); + signal(3, 100); if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass, CYW43_AUTH_WPA2_AES_PSK, 90000)) signal_error_by_blinking(); - signal(3, 200); + signal(2, 300); - queue_init(&queue, 1, 99); + queue_init(&queue, sizeof(uint32_t), 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); + uint32_t t; + queue_remove_blocking(&queue, &t); + seq++; + for (int i = 0; i < resend_count; i++) { + uint32_t now = time_s(); + uint32_t ago = now - t; + send_report(seq, ago); + signal(i == 0 ? 2 : 1, 100); + sleep_ms(resend_interval_ms); + } } }