keyboards/handwired/xealous/matrix_scanrate.c

   1 #include <stdint.h>
   2 #include <stdbool.h>
   3 #include <avr/io.h>
   4 #include "wait.h"
   5 #include "print.h"
   6 #include "debug.h"
   7 #include "util.h"
   8 #include "matrix.h"
   9 #include "timer.h"
  10
  11 #ifdef CONSOLE_ENABLE
  12 static uint16_t matrix_scan_count = 0;
  13 static uint32_t matrix_timer = 0;
  14 void matrix_check_scan_rate(void) {
  15     matrix_scan_count++;
  16     if (matrix_scan_count > 1000) {
  17         uint32_t timer_now = timer_read32();
  18         uint16_t ms_per_thousand = TIMER_DIFF_32(timer_now, matrix_timer);
  19         uint16_t rate_per_second = 1000000UL / ms_per_thousand;
  20         print("scan_rate: ");
  21         pdec(rate_per_second);
  22         print("\n");
  23         matrix_timer = timer_now;
  24         matrix_scan_count = 0;
  25     }
  26 }
  27
  28 static uint32_t last_scan_time = 0;
  29 void matrix_time_between_scans(void) {
  30     if (timer_elapsed(last_scan_time) > 1)
  31     {
  32         print(">1ms elapsed since last scan: ");
  33         pdec(timer_elapsed(last_scan_time));
  34         print("\n");
  35     }
  36     last_scan_time = timer_read();
  37
  38 }
  39 #endif