client: const config

diff --git a/client/config.c b/client/config.c
index 0e1a86d29e6610f36ef110f8aa49ca848a18de29..83a3eb3e9381e052353067dbab570b6a12094615 100644 (file)
--- a/client/config.c
+++ b/client/config.c
@@ -1,29 +1,29 @@
 #include "config.h"
 
 /* Wi-Fi credentials */
-char config_wifi_ssid[] = "THEWIFISSID";
-char config_wifi_pass[] = "THEWIFIPASSWORD";
+const char config_wifi_ssid[] = "THEWIFISSID";
+const char config_wifi_pass[] = "THEWIFIPASSWORD";
 
 /* Network address of the server to contact */
-char config_tattle_server_ip_address[] = "192.168.10.10";
-u16_t config_tattle_port = 29803; // 'tk'
+const char config_tattle_server_ip_address[] = "192.168.10.10";
+const u16_t config_tattle_port = 29803; // 'tk'
 
 /* For distinguishing reports from multiple tattlekey devices. */
-u16_t config_this_tattler_identity = 1;
+const u16_t config_this_tattler_identity = 1;
 
 /* 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. */
-uint config_button_pin = 18;
+const uint config_button_pin = 18;
 
 /* Don't bother reporting each separate button press when it is pressed many
  * times in short succession.  (We also use this to de-bounce. :) */
-u32_t config_minimum_seconds_between_button_presses = 1;
+const u32_t config_minimum_seconds_between_button_presses = 1;
 
 /* Send each report multiple times. */
-uint config_resend_count = 5;
+const uint config_resend_count = 5;
 
 /* These control the size of the per-send-count press queues.
 When the button is pressed more than config_maximum_queue_size times
@@ -33,9 +33,9 @@ the old, longest-delayed, 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 internals
 are so short.  */
-uint config_maximum_queue_size = 512;
+const uint config_maximum_queue_size = 512;
 
 /* This is paranoia about unanticipated delays.  Setting this to zero
 would probably be fine, but imposing a minimum queue size is an easy
 safety measure. */
-uint config_minimum_queue_size = 32;
+const uint config_minimum_queue_size = 32;

diff --git a/client/config.h b/client/config.h
index 23f04d5c6acd66d24d13a0304193b616b223c212..ee3dba88a147c071cb14963c4a95271c45ee3129 100644 (file)
--- a/client/config.h
+++ b/client/config.h
@@ -4,29 +4,29 @@
 #include "lwip/arch.h"
 
 /* Wi-Fi credentials */
-extern char config_wifi_ssid[];
-extern char config_wifi_pass[];
+extern const char config_wifi_ssid[];
+extern const char config_wifi_pass[];
 
 /* Network address of the server to contact */
-extern char config_tattle_server_ip_address[];
-extern u16_t config_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 config_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 config_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 u32_t config_minimum_seconds_between_button_presses;
+extern const u32_t config_minimum_seconds_between_button_presses;
 
 /* Send each report multiple times. */
-extern uint config_resend_count;
+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
@@ -36,11 +36,11 @@ 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 uint config_maximum_queue_size;
+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 uint config_minimum_queue_size;
+extern const uint config_minimum_queue_size;
 
 #endif