X-Git-Url: http://git.scottworley.com/tattlekey/blobdiff_plain/d1521eda56a4768dbf481aa6cf9e75c5a5a7e7f1..e8a53974ae88e0bbe0d616be7d53aa060b4ed80d:/client/config.h diff --git a/client/config.h b/client/config.h index 95c5651..ee3dba8 100644 --- a/client/config.h +++ b/client/config.h @@ -4,21 +4,43 @@ #include "lwip/arch.h" /* Wi-Fi credentials */ -extern char wifi_ssid[]; -extern char wifi_pass[]; +extern const char config_wifi_ssid[]; +extern const char config_wifi_pass[]; /* Network address of the server to contact */ -extern char tattle_server_ip_address[]; -extern u16_t tattle_port; +extern const char config_tattle_server_ip_address[]; +extern const u16_t config_tattle_port; /* For distinguishing reports from multiple tattlekey devices. */ -extern u16_t this_tattler_identity; +extern const u16_t config_this_tattler_identity; /* Which GPIO pin is the button connected to? * The button should span this pin and ground, connecting this pin to ground * when pressed. * https://projects.raspberrypi.org/en/projects/introduction-to-the-pico/10 * recommends pins 18, 22, or 28. */ -extern uint button_pin; +extern const uint config_button_pin; + +/* Don't bother reporting each separate button press when it is pressed many + * times in short succession. (We also use this to de-bounce. :) */ +extern const u32_t config_minimum_seconds_between_button_presses; + +/* Send each report multiple times. */ +extern const uint config_resend_count; + +/* These control the size of the per-send-count press queues. +When the button is pressed more than config_maximum_queue_size times +within the resend interval, some presses will be reported fewer +than config_resend_count times. This is usually fine because it's +the old, longest-delyed, most-redundant reports that get dropped; +fresh, timely reports of new button presses will not get anywhere near +config_resend_count in a resend interval because the early resend interals +are so short. */ +extern const uint config_maximum_queue_size; + +/* This is paranoia about unanticipated delays. Setting this to zero +would pobably be fine, but imposing a minimum queue size is an easy +safety measure. */ +extern const uint config_minimum_queue_size; #endif