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-rw-r--r--quantum/template/Makefile46
-rw-r--r--quantum/template/template.c61
-rw-r--r--quantum/template/template.h5
3 files changed, 97 insertions, 15 deletions
diff --git a/quantum/template/Makefile b/quantum/template/Makefile
index 4fa195468d..1a535ef2cb 100644
--- a/quantum/template/Makefile
+++ b/quantum/template/Makefile
@@ -111,23 +111,41 @@ OPT_DEFS += -DBOOTLOADER_SIZE=512
# Build Options
-# comment out to disable the options.
-#
-BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
-EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
-CONSOLE_ENABLE = yes # Console for debug(+400)
-COMMAND_ENABLE = yes # Commands for debug and configuration
-KEYBOARD_LOCK_ENABLE = yes # Allow locking of keyboard via magic key
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
+CONSOLE_ENABLE = yes # Console for debug(+400)
+COMMAND_ENABLE = yes # Commands for debug and configuration
+KEYBOARD_LOCK_ENABLE = yes # Allow locking of keyboard via magic key
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-# SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
-#NKRO_ENABLE = yes # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-# BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
-# MIDI_ENABLE = YES # MIDI controls
-# UNICODE_ENABLE = YES # Unicode
-# BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
+MIDI_ENABLE = no # MIDI controls
+UNICODE_ENABLE = no # Unicode
+BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no # Audio output on port C6
+ifdef KEYMAP
+
+ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
+ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
+ include keymaps/$(KEYMAP)/makefile.mk
+endif
+endif
+
+else
+
+ifneq ("$(wildcard keymaps/default/makefile.mk)","")
+ include keymaps/default/makefile.mk
+endif
+
+endif
+
# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax
diff --git a/quantum/template/template.c b/quantum/template/template.c
index cc52e496ff..6050a2d20c 100644
--- a/quantum/template/template.c
+++ b/quantum/template/template.c
@@ -46,3 +46,64 @@ void led_set_kb(uint8_t usb_led) {
led_set_user(usb_led);
}
+
+#ifdef BACKLIGHT_ENABLE
+#define CHANNEL OCR1C
+
+void backlight_init_ports()
+{
+
+ // Setup PB7 as output and output low.
+ DDRB |= (1<<7);
+ PORTB &= ~(1<<7);
+
+ // Use full 16-bit resolution.
+ ICR1 = 0xFFFF;
+
+ // I could write a wall of text here to explain... but TL;DW
+ // Go read the ATmega32u4 datasheet.
+ // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
+
+ // Pin PB7 = OCR1C (Timer 1, Channel C)
+ // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
+ // (i.e. start high, go low when counter matches.)
+ // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
+ // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
+
+ TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
+ TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+
+ backlight_init();
+}
+
+void backlight_set(uint8_t level)
+{
+ if ( level == 0 )
+ {
+ // Turn off PWM control on PB7, revert to output low.
+ TCCR1A &= ~(_BV(COM1C1));
+ CHANNEL = 0x0;
+ // Prevent backlight blink on lowest level
+ PORTB &= ~(_BV(PORTB7));
+ }
+ else if ( level == BACKLIGHT_LEVELS )
+ {
+ // Prevent backlight blink on lowest level
+ PORTB &= ~(_BV(PORTB7));
+ // Turn on PWM control of PB7
+ TCCR1A |= _BV(COM1C1);
+ // Set the brightness
+ CHANNEL = 0xFFFF;
+ }
+ else
+ {
+ // Prevent backlight blink on lowest level
+ PORTB &= ~(_BV(PORTB7));
+ // Turn on PWM control of PB7
+ TCCR1A |= _BV(COM1C1);
+ // Set the brightness
+ CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
+ }
+}
+
+#endif \ No newline at end of file
diff --git a/quantum/template/template.h b/quantum/template/template.h
index b1c34d3cbe..22742105a3 100644
--- a/quantum/template/template.h
+++ b/quantum/template/template.h
@@ -3,7 +3,10 @@
#include "matrix.h"
#include "keymap_common.h"
-#include "backlight.h"
+#ifdef BACKLIGHT_ENABLE
+ #include "backlight.h"
+#endif
+#include <avr/io.h>
#include <stddef.h>
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