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authorJack Humbert <jack.humb@gmail.com>2016-04-29 22:19:40 -0400
committerJack Humbert <jack.humb@gmail.com>2016-04-29 22:19:40 -0400
commit0656f2fa10e25e160617c3e5d14cfbae35dd9c8d (patch)
treed93e122e84313a89b84ea2a1011093398cf75ab3
parent9ab7098c834ffe601ad5c39759acfddabbd6373f (diff)
downloadqmk_firmware-0656f2fa10e25e160617c3e5d14cfbae35dd9c8d.tar.gz
qmk_firmware-0656f2fa10e25e160617c3e5d14cfbae35dd9c8d.zip
moves backlight functionality to keyboard files and updates template makefile
previously there were two backlight.c files (bad)
Diffstat
-rw-r--r--keyboard/atomic/Makefile4
-rw-r--r--keyboard/atomic/atomic.c61
-rw-r--r--keyboard/atomic/atomic.h5
-rw-r--r--keyboard/atomic/backlight.c63
-rw-r--r--keyboard/planck/Makefile4
-rw-r--r--keyboard/planck/backlight.c61
-rw-r--r--keyboard/planck/planck.c61
-rw-r--r--keyboard/planck/planck.h1
-rw-r--r--keyboard/preonic/Makefile5
-rw-r--r--keyboard/preonic/backlight.c61
-rw-r--r--keyboard/preonic/preonic.c63
-rw-r--r--keyboard/preonic/preonic.h1
-rw-r--r--quantum/template/Makefile46
-rw-r--r--quantum/template/template.c61
-rw-r--r--quantum/template/template.h5
15 files changed, 287 insertions, 215 deletions
diff --git a/keyboard/atomic/Makefile b/keyboard/atomic/Makefile
index 1d91c34b7..c1a0a6db4 100644
--- a/keyboard/atomic/Makefile
+++ b/keyboard/atomic/Makefile
@@ -171,10 +171,6 @@ endif
171 171
172endif 172endif
173 173
174ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
175 SRC := backlight.c $(SRC)
176endif
177
178# Optimize size but this may cause error "relocation truncated to fit" 174# Optimize size but this may cause error "relocation truncated to fit"
179#EXTRALDFLAGS = -Wl,--relax 175#EXTRALDFLAGS = -Wl,--relax
180 176
diff --git a/keyboard/atomic/atomic.c b/keyboard/atomic/atomic.c
index 5e31264e6..399649716 100644
--- a/keyboard/atomic/atomic.c
+++ b/keyboard/atomic/atomic.c
@@ -57,3 +57,64 @@ void led_set_kb(uint8_t usb_led) {
57 57
58 led_set_user(usb_led); 58 led_set_user(usb_led);
59} 59}
60
61#ifdef BACKLIGHT_ENABLE
62#define CHANNEL OCR1C
63
64void backlight_init_ports()
65{
66
67 // Setup PB7 as output and output low.
68 DDRB |= (1<<7);
69 PORTB &= ~(1<<7);
70
71 // Use full 16-bit resolution.
72 ICR1 = 0xFFFF;
73
74 // I could write a wall of text here to explain... but TL;DW
75 // Go read the ATmega32u4 datasheet.
76 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
77
78 // Pin PB7 = OCR1C (Timer 1, Channel C)
79 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
80 // (i.e. start high, go low when counter matches.)
81 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
82 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
83
84 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
85 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
86
87 backlight_init();
88}
89
90void backlight_set(uint8_t level)
91{
92 if ( level == 0 )
93 {
94 // Turn off PWM control on PB7, revert to output low.
95 TCCR1A &= ~(_BV(COM1C1));
96 CHANNEL = 0x0;
97 // Prevent backlight blink on lowest level
98 PORTB &= ~(_BV(PORTB7));
99 }
100 else if ( level == BACKLIGHT_LEVELS )
101 {
102 // Prevent backlight blink on lowest level
103 PORTB &= ~(_BV(PORTB7));
104 // Turn on PWM control of PB7
105 TCCR1A |= _BV(COM1C1);
106 // Set the brightness
107 CHANNEL = 0xFFFF;
108 }
109 else
110 {
111 // Prevent backlight blink on lowest level
112 PORTB &= ~(_BV(PORTB7));
113 // Turn on PWM control of PB7
114 TCCR1A |= _BV(COM1C1);
115 // Set the brightness
116 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
117 }
118}
119
120#endif \ No newline at end of file
diff --git a/keyboard/atomic/atomic.h b/keyboard/atomic/atomic.h
index d5461e424..0c7aeb1cc 100644
--- a/keyboard/atomic/atomic.h
+++ b/keyboard/atomic/atomic.h
@@ -3,8 +3,11 @@
3 3
4#include "matrix.h" 4#include "matrix.h"
5#include "keymap_common.h" 5#include "keymap_common.h"
6#include "backlight.h" 6#ifdef BACKLIGHT_ENABLE
7 #include "backlight.h"
8#endif
7#include <stddef.h> 9#include <stddef.h>
10#include <avr/io.h>
8 11
9// This a shortcut to help you visually see your layout. 12// This a shortcut to help you visually see your layout.
10// The following is an example using the Planck MIT layout 13// The following is an example using the Planck MIT layout
diff --git a/keyboard/atomic/backlight.c b/keyboard/atomic/backlight.c
deleted file mode 100644
index 647b57e71..000000000
--- a/keyboard/atomic/backlight.c
+++ /dev/null
@@ -1,63 +0,0 @@
1
2#include <avr/io.h>
3#include "backlight.h"
4#include "atomic.h"
5
6
7#define CHANNEL OCR1C
8
9void backlight_init_ports()
10{
11
12 // Setup PB7 as output and output low.
13 DDRB |= (1<<7);
14 PORTB &= ~(1<<7);
15
16 // Use full 16-bit resolution.
17 ICR1 = 0xFFFF;
18
19 // I could write a wall of text here to explain... but TL;DW
20 // Go read the ATmega32u4 datasheet.
21 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
22
23 // Pin PB7 = OCR1C (Timer 1, Channel C)
24 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
25 // (i.e. start high, go low when counter matches.)
26 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
27 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
28
29 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
30 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
31
32 backlight_init();
33}
34
35void backlight_set(uint8_t level)
36{
37 if ( level == 0 )
38 {
39 // Turn off PWM control on PB7, revert to output low.
40 TCCR1A &= ~(_BV(COM1C1));
41 CHANNEL = 0x0;
42 // Prevent backlight blink on lowest level
43 PORTB &= ~(_BV(PORTB7));
44 }
45 else if ( level == BACKLIGHT_LEVELS )
46 {
47 // Prevent backlight blink on lowest level
48 PORTB &= ~(_BV(PORTB7));
49 // Turn on PWM control of PB7
50 TCCR1A |= _BV(COM1C1);
51 // Set the brightness
52 CHANNEL = 0xFFFF;
53 }
54 else
55 {
56 // Prevent backlight blink on lowest level
57 PORTB &= ~(_BV(PORTB7));
58 // Turn on PWM control of PB7
59 TCCR1A |= _BV(COM1C1);
60 // Set the brightness
61 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
62 }
63} \ No newline at end of file
diff --git a/keyboard/planck/Makefile b/keyboard/planck/Makefile
index 01d9e3ce9..c0c6201cb 100644
--- a/keyboard/planck/Makefile
+++ b/keyboard/planck/Makefile
@@ -171,10 +171,6 @@ endif
171 171
172endif 172endif
173 173
174ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
175 SRC := backlight.c $(SRC)
176endif
177
178# Optimize size but this may cause error "relocation truncated to fit" 174# Optimize size but this may cause error "relocation truncated to fit"
179#EXTRALDFLAGS = -Wl,--relax 175#EXTRALDFLAGS = -Wl,--relax
180 176
diff --git a/keyboard/planck/backlight.c b/keyboard/planck/backlight.c
deleted file mode 100644
index f69364b2a..000000000
--- a/keyboard/planck/backlight.c
+++ /dev/null
@@ -1,61 +0,0 @@
1
2#include <avr/io.h>
3#include "backlight.h"
4
5#define CHANNEL OCR1C
6
7void backlight_init_ports()
8{
9
10 // Setup PB7 as output and output low.
11 DDRB |= (1<<7);
12 PORTB &= ~(1<<7);
13
14 // Use full 16-bit resolution.
15 ICR1 = 0xFFFF;
16
17 // I could write a wall of text here to explain... but TL;DW
18 // Go read the ATmega32u4 datasheet.
19 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
20
21 // Pin PB7 = OCR1C (Timer 1, Channel C)
22 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
23 // (i.e. start high, go low when counter matches.)
24 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
25 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
26
27 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
28 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
29
30 backlight_init();
31}
32
33void backlight_set(uint8_t level)
34{
35 if ( level == 0 )
36 {
37 // Turn off PWM control on PB7, revert to output low.
38 TCCR1A &= ~(_BV(COM1C1));
39 CHANNEL = 0x0;
40 // Prevent backlight blink on lowest level
41 PORTB &= ~(_BV(PORTB7));
42 }
43 else if ( level == BACKLIGHT_LEVELS )
44 {
45 // Prevent backlight blink on lowest level
46 PORTB &= ~(_BV(PORTB7));
47 // Turn on PWM control of PB7
48 TCCR1A |= _BV(COM1C1);
49 // Set the brightness
50 CHANNEL = 0xFFFF;
51 }
52 else
53 {
54 // Prevent backlight blink on lowest level
55 PORTB &= ~(_BV(PORTB7));
56 // Turn on PWM control of PB7
57 TCCR1A |= _BV(COM1C1);
58 // Set the brightness
59 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
60 }
61} \ No newline at end of file
diff --git a/keyboard/planck/planck.c b/keyboard/planck/planck.c
index 4b39cf1e8..655850150 100644
--- a/keyboard/planck/planck.c
+++ b/keyboard/planck/planck.c
@@ -32,3 +32,64 @@ void matrix_scan_kb(void) {
32void process_action_kb(keyrecord_t *record) { 32void process_action_kb(keyrecord_t *record) {
33 process_action_user(record); 33 process_action_user(record);
34} 34}
35
36#ifdef BACKLIGHT_ENABLE
37#define CHANNEL OCR1C
38
39void backlight_init_ports()
40{
41
42 // Setup PB7 as output and output low.
43 DDRB |= (1<<7);
44 PORTB &= ~(1<<7);
45
46 // Use full 16-bit resolution.
47 ICR1 = 0xFFFF;
48
49 // I could write a wall of text here to explain... but TL;DW
50 // Go read the ATmega32u4 datasheet.
51 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
52
53 // Pin PB7 = OCR1C (Timer 1, Channel C)
54 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
55 // (i.e. start high, go low when counter matches.)
56 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
57 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
58
59 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
60 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
61
62 backlight_init();
63}
64
65void backlight_set(uint8_t level)
66{
67 if ( level == 0 )
68 {
69 // Turn off PWM control on PB7, revert to output low.
70 TCCR1A &= ~(_BV(COM1C1));
71 CHANNEL = 0x0;
72 // Prevent backlight blink on lowest level
73 PORTB &= ~(_BV(PORTB7));
74 }
75 else if ( level == BACKLIGHT_LEVELS )
76 {
77 // Prevent backlight blink on lowest level
78 PORTB &= ~(_BV(PORTB7));
79 // Turn on PWM control of PB7
80 TCCR1A |= _BV(COM1C1);
81 // Set the brightness
82 CHANNEL = 0xFFFF;
83 }
84 else
85 {
86 // Prevent backlight blink on lowest level
87 PORTB &= ~(_BV(PORTB7));
88 // Turn on PWM control of PB7
89 TCCR1A |= _BV(COM1C1);
90 // Set the brightness
91 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
92 }
93}
94
95#endif \ No newline at end of file
diff --git a/keyboard/planck/planck.h b/keyboard/planck/planck.h
index edcb5fbff..c5b59d999 100644
--- a/keyboard/planck/planck.h
+++ b/keyboard/planck/planck.h
@@ -10,6 +10,7 @@
10 #include "rgblight.h" 10 #include "rgblight.h"
11#endif 11#endif
12#include <stddef.h> 12#include <stddef.h>
13#include <avr/io.h>
13#ifdef MIDI_ENABLE 14#ifdef MIDI_ENABLE
14 #include <keymap_midi.h> 15 #include <keymap_midi.h>
15#endif 16#endif
diff --git a/keyboard/preonic/Makefile b/keyboard/preonic/Makefile
index 3504e2720..259dd6686 100644
--- a/keyboard/preonic/Makefile
+++ b/keyboard/preonic/Makefile
@@ -162,11 +162,6 @@ endif
162 162
163endif 163endif
164 164
165ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
166 SRC := backlight.c $(SRC)
167endif
168
169
170# Optimize size but this may cause error "relocation truncated to fit" 165# Optimize size but this may cause error "relocation truncated to fit"
171#EXTRALDFLAGS = -Wl,--relax 166#EXTRALDFLAGS = -Wl,--relax
172 167
diff --git a/keyboard/preonic/backlight.c b/keyboard/preonic/backlight.c
deleted file mode 100644
index f69364b2a..000000000
--- a/keyboard/preonic/backlight.c
+++ /dev/null
@@ -1,61 +0,0 @@
1
2#include <avr/io.h>
3#include "backlight.h"
4
5#define CHANNEL OCR1C
6
7void backlight_init_ports()
8{
9
10 // Setup PB7 as output and output low.
11 DDRB |= (1<<7);
12 PORTB &= ~(1<<7);
13
14 // Use full 16-bit resolution.
15 ICR1 = 0xFFFF;
16
17 // I could write a wall of text here to explain... but TL;DW
18 // Go read the ATmega32u4 datasheet.
19 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
20
21 // Pin PB7 = OCR1C (Timer 1, Channel C)
22 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
23 // (i.e. start high, go low when counter matches.)
24 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
25 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
26
27 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
28 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
29
30 backlight_init();
31}
32
33void backlight_set(uint8_t level)
34{
35 if ( level == 0 )
36 {
37 // Turn off PWM control on PB7, revert to output low.
38 TCCR1A &= ~(_BV(COM1C1));
39 CHANNEL = 0x0;
40 // Prevent backlight blink on lowest level
41 PORTB &= ~(_BV(PORTB7));
42 }
43 else if ( level == BACKLIGHT_LEVELS )
44 {
45 // Prevent backlight blink on lowest level
46 PORTB &= ~(_BV(PORTB7));
47 // Turn on PWM control of PB7
48 TCCR1A |= _BV(COM1C1);
49 // Set the brightness
50 CHANNEL = 0xFFFF;
51 }
52 else
53 {
54 // Prevent backlight blink on lowest level
55 PORTB &= ~(_BV(PORTB7));
56 // Turn on PWM control of PB7
57 TCCR1A |= _BV(COM1C1);
58 // Set the brightness
59 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
60 }
61} \ No newline at end of file
diff --git a/keyboard/preonic/preonic.c b/keyboard/preonic/preonic.c
index f639f247a..211f8d029 100644
--- a/keyboard/preonic/preonic.c
+++ b/keyboard/preonic/preonic.c
@@ -38,4 +38,65 @@ void matrix_scan_kb(void) {
38 38
39void process_action_kb(keyrecord_t *record) { 39void process_action_kb(keyrecord_t *record) {
40 process_action_user(record); 40 process_action_user(record);
41} \ No newline at end of file 41}
42
43#ifdef BACKLIGHT_ENABLE
44#define CHANNEL OCR1C
45
46void backlight_init_ports()
47{
48
49 // Setup PB7 as output and output low.
50 DDRB |= (1<<7);
51 PORTB &= ~(1<<7);
52
53 // Use full 16-bit resolution.
54 ICR1 = 0xFFFF;
55
56 // I could write a wall of text here to explain... but TL;DW
57 // Go read the ATmega32u4 datasheet.
58 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
59
60 // Pin PB7 = OCR1C (Timer 1, Channel C)
61 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
62 // (i.e. start high, go low when counter matches.)
63 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
64 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
65
66 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
67 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
68
69 backlight_init();
70}
71
72void backlight_set(uint8_t level)
73{
74 if ( level == 0 )
75 {
76 // Turn off PWM control on PB7, revert to output low.
77 TCCR1A &= ~(_BV(COM1C1));
78 CHANNEL = 0x0;
79 // Prevent backlight blink on lowest level
80 PORTB &= ~(_BV(PORTB7));
81 }
82 else if ( level == BACKLIGHT_LEVELS )
83 {
84 // Prevent backlight blink on lowest level
85 PORTB &= ~(_BV(PORTB7));
86 // Turn on PWM control of PB7
87 TCCR1A |= _BV(COM1C1);
88 // Set the brightness
89 CHANNEL = 0xFFFF;
90 }
91 else
92 {
93 // Prevent backlight blink on lowest level
94 PORTB &= ~(_BV(PORTB7));
95 // Turn on PWM control of PB7
96 TCCR1A |= _BV(COM1C1);
97 // Set the brightness
98 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
99 }
100}
101
102#endif \ No newline at end of file
diff --git a/keyboard/preonic/preonic.h b/keyboard/preonic/preonic.h
index 51ed9ba39..030acdadb 100644
--- a/keyboard/preonic/preonic.h
+++ b/keyboard/preonic/preonic.h
@@ -10,6 +10,7 @@
10 #include "rgblight.h" 10 #include "rgblight.h"
11#endif 11#endif
12#include <stddef.h> 12#include <stddef.h>
13#include <avr/io.h>
13#ifdef MIDI_ENABLE 14#ifdef MIDI_ENABLE
14 #include <keymap_midi.h> 15 #include <keymap_midi.h>
15#endif 16#endif
diff --git a/quantum/template/Makefile b/quantum/template/Makefile
index 4fa195468..1a535ef2c 100644
--- a/quantum/template/Makefile
+++ b/quantum/template/Makefile
@@ -111,23 +111,41 @@ OPT_DEFS += -DBOOTLOADER_SIZE=512
111 111
112 112
113# Build Options 113# Build Options
114# comment out to disable the options. 114# change yes to no to disable
115# 115#
116BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000) 116BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
117MOUSEKEY_ENABLE = yes # Mouse keys(+4700) 117MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
118EXTRAKEY_ENABLE = yes # Audio control and System control(+450) 118EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
119CONSOLE_ENABLE = yes # Console for debug(+400) 119CONSOLE_ENABLE = yes # Console for debug(+400)
120COMMAND_ENABLE = yes # Commands for debug and configuration 120COMMAND_ENABLE = yes # Commands for debug and configuration
121KEYBOARD_LOCK_ENABLE = yes # Allow locking of keyboard via magic key 121KEYBOARD_LOCK_ENABLE = yes # Allow locking of keyboard via magic key
122# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE 122# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
123# SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend 123SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
124#NKRO_ENABLE = yes # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work 124# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
125# BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality 125NKRO_ENABLE = no # USB Nkey Rollover
126# MIDI_ENABLE = YES # MIDI controls 126BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
127# UNICODE_ENABLE = YES # Unicode 127MIDI_ENABLE = no # MIDI controls
128# BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID 128UNICODE_ENABLE = no # Unicode
129BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
130AUDIO_ENABLE = no # Audio output on port C6
129 131
130 132
133ifdef KEYMAP
134
135ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
136ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
137 include keymaps/$(KEYMAP)/makefile.mk
138endif
139endif
140
141else
142
143ifneq ("$(wildcard keymaps/default/makefile.mk)","")
144 include keymaps/default/makefile.mk
145endif
146
147endif
148
131# Optimize size but this may cause error "relocation truncated to fit" 149# Optimize size but this may cause error "relocation truncated to fit"
132#EXTRALDFLAGS = -Wl,--relax 150#EXTRALDFLAGS = -Wl,--relax
133 151
diff --git a/quantum/template/template.c b/quantum/template/template.c
index cc52e496f..6050a2d20 100644
--- a/quantum/template/template.c
+++ b/quantum/template/template.c
@@ -46,3 +46,64 @@ void led_set_kb(uint8_t usb_led) {
46 46
47 led_set_user(usb_led); 47 led_set_user(usb_led);
48} 48}
49
50#ifdef BACKLIGHT_ENABLE
51#define CHANNEL OCR1C
52
53void backlight_init_ports()
54{
55
56 // Setup PB7 as output and output low.
57 DDRB |= (1<<7);
58 PORTB &= ~(1<<7);
59
60 // Use full 16-bit resolution.
61 ICR1 = 0xFFFF;
62
63 // I could write a wall of text here to explain... but TL;DW
64 // Go read the ATmega32u4 datasheet.
65 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
66
67 // Pin PB7 = OCR1C (Timer 1, Channel C)
68 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
69 // (i.e. start high, go low when counter matches.)
70 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
71 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
72
73 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
74 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
75
76 backlight_init();
77}
78
79void backlight_set(uint8_t level)
80{
81 if ( level == 0 )
82 {
83 // Turn off PWM control on PB7, revert to output low.
84 TCCR1A &= ~(_BV(COM1C1));
85 CHANNEL = 0x0;
86 // Prevent backlight blink on lowest level
87 PORTB &= ~(_BV(PORTB7));
88 }
89 else if ( level == BACKLIGHT_LEVELS )
90 {
91 // Prevent backlight blink on lowest level
92 PORTB &= ~(_BV(PORTB7));
93 // Turn on PWM control of PB7
94 TCCR1A |= _BV(COM1C1);
95 // Set the brightness
96 CHANNEL = 0xFFFF;
97 }
98 else
99 {
100 // Prevent backlight blink on lowest level
101 PORTB &= ~(_BV(PORTB7));
102 // Turn on PWM control of PB7
103 TCCR1A |= _BV(COM1C1);
104 // Set the brightness
105 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
106 }
107}
108
109#endif \ No newline at end of file
diff --git a/quantum/template/template.h b/quantum/template/template.h
index b1c34d3cb..22742105a 100644
--- a/quantum/template/template.h
+++ b/quantum/template/template.h
@@ -3,7 +3,10 @@
3 3
4#include "matrix.h" 4#include "matrix.h"
5#include "keymap_common.h" 5#include "keymap_common.h"
6#include "backlight.h" 6#ifdef BACKLIGHT_ENABLE
7 #include "backlight.h"
8#endif
9#include <avr/io.h>
7#include <stddef.h> 10#include <stddef.h>
8 11
9// This a shortcut to help you visually see your layout. 12// This a shortcut to help you visually see your layout.
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-08 14:41:48 +0000