/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "led.h"
+#include "led_controller.h"
+/* WARNING! This function needs to be callable from
+ * both regular threads and ISRs, unlocked (during resume-from-sleep).
+ * In particular, I2C functions (interrupt-driven) should NOT be called from here.
+ */
void led_set(uint8_t usb_led) {
+/*
+ // PTA5: LED (1:on/0:off)
+ GPIOA->PDDR |= (1<<1);
+ PORTA->PCR[5] |= PORTx_PCRn_DSE | PORTx_PCRn_MUX(1);
+ if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
+ GPIOA->PSOR |= (1<<5);
+ } else {
+ GPIOA->PCOR |= (1<<5);
+ }
+ */
+//TODO: How does this test if led is set
+//usb_led --> led_set(usb_led) <-- chibios/host_keyboard_leds <-- keyboard_leds from usbSetupTransfer
+//keyboard_leds is enum'd in chibios/main.c
+ if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
+ // signal the LED control thread
+ chSysUnconditionalLock();
+ chMBPostI(&led_mailbox, LED_MSG_CAPS_ON);
+ chSysUnconditionalUnlock();
+ } else {
+ // signal the LED control thread
+ chSysUnconditionalLock();
+ chMBPostI(&led_mailbox, LED_MSG_CAPS_OFF);
+ chSysUnconditionalUnlock();
+ }
}