remove uno_slave for now, even though it's freakin cool

keyboards/lets_split/uno_slave/Makefile

@@ -1,226 +0,0 @@
-# Hey Emacs, this is a -*- makefile -*-
-
-# AVR-GCC Makefile template, derived from the WinAVR template (which
-# is public domain), believed to be neutral to any flavor of "make"
-# (GNU make, BSD make, SysV make)
-
-
-MCU = atmega328p
-FORMAT = ihex
-TARGET = keyboard-i2c-slave
-SRC = \
-	$(TARGET).c \
-	uno-matrix.c \
-	../serial.c \
-	../i2c-slave.c
-
-ASRC =
-OPT = s
-
-# Programming support using avrdude. Settings and variables.
-
-AVRDUDE_PROGRAMMER = arduino
-AVRDUDE_PORT = /dev/ttyACM0
-
-# Name of this Makefile (used for "make depend").
-MAKEFILE = Makefile
-
-# Debugging format.
-# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
-# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
-DEBUG = stabs
-
-# Compiler flag to set the C Standard level.
-# c89   - "ANSI" C
-# gnu89 - c89 plus GCC extensions
-# c99   - ISO C99 standard (not yet fully implemented)
-# gnu99 - c99 plus GCC extensions
-CSTANDARD = -std=gnu99
-
-# Place -D or -U options here
-CDEFS =
-
-# Place -I options here
-CINCS =
-
-
-CDEBUG = -g$(DEBUG)
-CWARN = -Wall -Wstrict-prototypes
-CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
-#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
-CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA) \
-	-fno-aggressive-loop-optimizations
-
-#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
-
-
-#Additional libraries.
-
-# Minimalistic printf version
-PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
-
-# Floating point printf version (requires MATH_LIB = -lm below)
-PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
-
-PRINTF_LIB =
-
-# Minimalistic scanf version
-SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
-
-# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
-SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
-
-SCANF_LIB =
-
-MATH_LIB = -lm
-
-# External memory options
-
-# 64 KB of external RAM, starting after internal RAM (ATmega128!),
-# used for variables (.data/.bss) and heap (malloc()).
-#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
-
-# 64 KB of external RAM, starting after internal RAM (ATmega128!),
-# only used for heap (malloc()).
-#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
-
-EXTMEMOPTS =
-
-#LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
-LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
-
-
-AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
-#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
-
-
-# Uncomment the following if you want avrdude's erase cycle counter.
-# Note that this counter needs to be initialized first using -Yn,
-# see avrdude manual.
-#AVRDUDE_ERASE_COUNTER = -y
-
-# Uncomment the following if you do /not/ wish a verification to be
-# performed after programming the device.
-#AVRDUDE_NO_VERIFY = -V
-
-# Increase verbosity level.  Please use this when submitting bug
-# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
-# to submit bug reports.
-#AVRDUDE_VERBOSE = -v -v
-
-AVRDUDE_BASIC = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
-AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
-
-
-CC = avr-gcc
-OBJCOPY = avr-objcopy
-OBJDUMP = avr-objdump
-SIZE = avr-size
-NM = avr-nm
-AVRDUDE = avrdude
-REMOVE = rm -f
-MV = mv -f
-
-# Define all object files.
-OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
-
-# Define all listing files.
-LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
-
-# Combine all necessary flags and optional flags.
-# Add target processor to flags.
-ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
-ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
-
-
-# Default target.
-all: build
-
-build: elf hex eep
-
-elf: $(TARGET).elf
-hex: $(TARGET).hex
-eep: $(TARGET).eep
-lss: $(TARGET).lss
-sym: $(TARGET).sym
-
-
-# Program the device.
-program: $(TARGET).hex $(TARGET).eep
-	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
-
-
-# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
-COFFCONVERT=$(OBJCOPY) --debugging \
---change-section-address .data-0x800000 \
---change-section-address .bss-0x800000 \
---change-section-address .noinit-0x800000 \
---change-section-address .eeprom-0x810000
-
-
-coff: $(TARGET).elf
-	$(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
-
-
-extcoff: $(TARGET).elf
-	$(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
-
-
-.SUFFIXES: .elf .hex .eep .lss .sym
-
-.elf.hex:
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
-
-.elf.eep:
-	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
-	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
-
-# Create extended listing file from ELF output file.
-.elf.lss:
-	$(OBJDUMP) -h -S $< > $@
-
-# Create a symbol table from ELF output file.
-.elf.sym:
-	$(NM) -n $< > $@
-
-
-
-# Link: create ELF output file from object files.
-$(TARGET).elf: $(OBJ)
-	$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
-
-
-# Compile: create object files from C source files.
-.c.o:
-	$(CC) -c $(ALL_CFLAGS) $< -o $@
-
-
-# Compile: create assembler files from C source files.
-.c.s:
-	$(CC) -S $(ALL_CFLAGS) $< -o $@
-
-
-# Assemble: create object files from assembler source files.
-.S.o:
-	$(CC) -c $(ALL_ASFLAGS) $< -o $@
-
-
-
-# Target: clean project.
-clean:
-	$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
-	$(TARGET).map $(TARGET).sym $(TARGET).lss \
-	$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
-
-depend:
-	if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
-	then \
-		sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
-			$(MAKEFILE).$$$$ && \
-		$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
-	fi
-	echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
-		>> $(MAKEFILE); \
-	$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
-
-.PHONY:	all build elf hex eep lss sym program coff extcoff clean depend

keyboards/lets_split/uno_slave/keyboard-i2c-slave.c

@@ -1,42 +0,0 @@
-#include "../i2c-slave.h"
-#include "../serial.h"
-#include "uno-matrix.h"
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-
-void setup(void) {
-  // give some time for noise to clear
-  _delay_us(1000);
-
-  // turn off arduino uno's led on pin 13
-  DDRB |= (1 << 5);
-  PORTB &= ~(1 << 5);
-
-  matrix_init();
-  /* i2c_slave_init(0x32); */
-  serial_slave_init();
-
-  /* serial_slave_buffer[0] = 0xa1; */
-  /* serial_slave_buffer[1] = 0x52; */
-  /* serial_slave_buffer[2] = 0xa2; */
-  /* serial_slave_buffer[3] = 0x67; */
-
-  // need interrupts for i2c slave code to work
-  sei();
-}
-
-void loop(void) {
-  matrix_scan();
-  for(int i=0; i<MATRIX_ROWS; ++i) {
-    slaveBuffer[i] = matrix_get_row(i);
-    serial_slave_buffer[i] = slaveBuffer[i];
-  }
-}
-
-int main(int argc, char *argv[]) {
-  setup();
-  while (1)
-    loop();
-}

keyboards/lets_split/uno_slave/readme.md

@@ -1 +0,0 @@
-Code for Arduino uno (atmega328p) slave used for testing.

keyboards/lets_split/uno_slave/uno-matrix.c

@@ -1,160 +0,0 @@
-#define F_CPU 16000000UL
-
-#include <util/delay.h>
-#include <avr/io.h>
-#include <stdlib.h>
-
-#include "uno-matrix.h"
-
-#define debug(X) NULL
-#define debug_hex(X) NULL
-
-#ifndef DEBOUNCE
-#   define DEBOUNCE  5
-#endif
-
-static uint8_t debouncing = DEBOUNCE;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-static matrix_row_t read_cols(void);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    //debug_enable = true;
-    //debug_matrix = true;
-    //debug_mouse = true;
-    // initialize row and col
-    unselect_rows();
-    init_cols();
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
-        matrix[i] = 0;
-        matrix_debouncing[i] = 0;
-    }
-}
-
-uint8_t matrix_scan(void)
-{
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        select_row(i);
-        _delay_us(30);  // without this wait read unstable value.
-        matrix_row_t cols = read_cols();
-        //Serial.println(cols, BIN);
-        if (matrix_debouncing[i] != cols) {
-            matrix_debouncing[i] = cols;
-            if (debouncing) {
-                debug("bounce!: "); debug_hex(debouncing); debug("\n");
-            }
-            debouncing = DEBOUNCE;
-        }
-        unselect_rows();
-    }
-
-    if (debouncing) {
-        if (--debouncing) {
-            _delay_ms(1);
-        } else {
-            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-                matrix[i] = matrix_debouncing[i];
-            }
-        }
-    }
-
-    return 1;
-}
-
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    return true;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-// TODO update this comment
-/* Column pin configuration
- * col: 0   1   2   3   4   5
- * pin: D3  D4  D5  D6  D7  B0
- */
-static void  init_cols(void)
-{
-    // Input with pull-up(DDR:0, PORT:1)
-  DDRD  &= ~(1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
-  PORTD |=  (1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
-
-  DDRB  &= ~(1<<0);
-  PORTB |=  (1<<0);
-}
-
-static matrix_row_t read_cols(void)
-{
-    return (PIND&(1<<3) ? 0 : (1<<0)) |
-           (PIND&(1<<4) ? 0 : (1<<1)) |
-           (PIND&(1<<5) ? 0 : (1<<2)) |
-           (PIND&(1<<6) ? 0 : (1<<3)) |
-           (PIND&(1<<7) ? 0 : (1<<4)) |
-           (PINB&(1<<0) ? 0 : (1<<5));
-}
-
-/* Row pin configuration
- * row: 0  1  2  3
- * pin: C0 C1 C2 C3
- */
-static void unselect_rows(void)
-{
-    // Hi-Z(DDR:0, PORT:0) to unselect
-    DDRC  &= ~0xF;
-    PORTC &= ~0xF;
-}
-
-static void select_row(uint8_t row)
-{
-    // Output low(DDR:1, PORT:0) to select
-    switch (row) {
-        case 0:
-            DDRC  |= (1<<0);
-            PORTC &= ~(1<<0);
-            break;
-        case 1:
-            DDRC  |= (1<<1);
-            PORTC &= ~(1<<1);
-            break;
-        case 2:
-            DDRC  |= (1<<2);
-            PORTC &= ~(1<<2);
-            break;
-        case 3:
-            DDRC  |= (1<<3);
-            PORTC &= ~(1<<3);
-            break;
-    }
-}

keyboards/lets_split/uno_slave/uno-matrix.h

@@ -1,19 +0,0 @@
-#ifndef UNO_MATRIX
-#define UNO_MATRIX
-
-#define MATRIX_ROWS 4
-#define MATRIX_COLS 6
-
-#include <stdbool.h>
-
-typedef uint8_t matrix_row_t;
-
-uint8_t matrix_rows(void);
-uint8_t matrix_cols(void);
-void matrix_init(void);
-uint8_t matrix_scan(void);
-bool matrix_is_modified(void);
-bool matrix_is_on(uint8_t row, uint8_t col);
-matrix_row_t matrix_get_row(uint8_t row);
-
-#endif