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authortmk2014-09-04 17:08:23 +0900
committertmk2014-09-04 17:08:23 +0900
commit3b81ffc16c8cdf260c25f0778d32c721af4f105c (patch)
tree4d9ef22491bfc77a0956d87718b715742e07497f /keyboard/hhkb_rn42/rn42/rn42_task.c
parent02939ab1d831ab7bb02edb28cb0b21fb61bced56 (diff)
Monitor battery and alert low voltage
Diffstat (limited to 'keyboard/hhkb_rn42/rn42/rn42_task.c')
-rw-r--r--keyboard/hhkb_rn42/rn42/rn42_task.c47
1 files changed, 42 insertions, 5 deletions
diff --git a/keyboard/hhkb_rn42/rn42/rn42_task.c b/keyboard/hhkb_rn42/rn42/rn42_task.c
index 07b34e111..30914452e 100644
--- a/keyboard/hhkb_rn42/rn42/rn42_task.c
+++ b/keyboard/hhkb_rn42/rn42/rn42_task.c
@@ -81,13 +81,50 @@ void rn42_task(void)
}
}
- /* Low voltage alert */
- if (battery_status() == LOW_VOLTAGE) {
- battery_led(LED_ON);
- } else {
- battery_led(LED_CHARGER);
+
+ static uint16_t prev_timer = 0;
+ static uint8_t sec = 0;
+ // NOTE: not exact 1 sec
+ if (timer_elapsed(prev_timer) > 1000) {
+ /* every second */
+ prev_timer = timer_read();
+
+ /* Low voltage alert */
+ uint8_t bs = battery_status();
+ if (bs == LOW_VOLTAGE) {
+ battery_led(LED_ON);
+ } else {
+ battery_led(LED_CHARGER);
+ }
+
+ static uint8_t prev_status = UNKNOWN;
+ if (bs != prev_status) {
+ prev_status = bs;
+ switch (bs) {
+ case FULL_CHARGED: xprintf("FULL_CHARGED\n"); break;
+ case CHARGING: xprintf("CHARGING\n"); break;
+ case DISCHARGING: xprintf("DISCHARGING\n"); break;
+ case LOW_VOLTAGE: xprintf("LOW_VOLTAGE\n"); break;
+ default: xprintf("UNKNOWN STATUS\n"); break;
+ };
+ }
+
+ /* every minute */
+ if (sec == 0) {
+ uint32_t t = timer_read32()/1000;
+ uint16_t v = battery_voltage();
+ uint8_t h = t/3600;
+ uint8_t m = t%3600/60;
+ uint8_t s = t%60;
+ xprintf("%02u:%02u:%02u\t%umV\n", h, m, s, v);
+ /* TODO: xprintf doesn't work for this.
+ xprintf("%02u:%02u:%02u\t%umV\n", (t/3600), (t%3600/60), (t%60), v);
+ */
+ }
+ sec++; sec = sec%60;
}
+
/* Connection monitor */
if (rn42_linked()) {
status_led(true);