electronics/lw35-upgrade
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base: electronics:9bed136cd5a3d460bae447f497cf9233ab0ee23a
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electronics:master
electronics:all-spi
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compare: electronics:4ea322e2f53834ea34aa2c3c1fbfa86bcaa9da3d
Branches Tags
electronics:master
electronics:all-spi

2 Commits
9bed136cd5 ... 4ea322e2f5

Author SHA1 Message Date
Markus Koch
4ea322e2f5 keyboard: add ATmega8 define to QtProject for indexing 2019-10-26 22:41:52 +02:00
Markus Koch
7479c9ed3f keyboard: dynamically derive UBRR values from BAUDRATE 2019-10-26 22:38:51 +02:00
2 changed files with 4 additions and 3 deletions
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keyboard/avr/keyboard-controller.pro
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@ -7,3 +7,5 @@ INCLUDEPATH += /usr/avr/include
SOURCES += \
main.c
DEFINES += __AVR_ATmega8__

5
keyboard/avr/main.c
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@ -12,7 +12,6 @@
#define DELAY_ROW_SWITCH() _delay_ms(1) //_delay_us(1)
#define BAUDRATE 9600
#define UBRR 51 // (F_CPU / BAUDRATE) / 32
/* Keycode from include/linux/input.h */
#define KEY_RESERVED 0
@ -259,8 +258,8 @@ int main()
MATRIX_Y1(PORT) &= ~MASK_Y1; /* Pull row low when selected */
MATRIX_Y2(PORT) &= ~MASK_Y2; /* Pull row low when selected */
UCSRB = (1 << TXEN);
UBRRH = (UBRR >> 8) & 0xFF;
UBRRL = UBRR & 0xFF;
UBRRH = ((((F_CPU / BAUDRATE) / 16) - 1) >> 8);
UBRRL = (((F_CPU / BAUDRATE) / 16) - 1);
fn_active = 0;