diff options
20 files changed, 1827 insertions, 21 deletions
diff --git a/keyboards/lets-split/lets-split.h b/keyboards/lets-split/lets-split.h deleted file mode 100644 index c82b95a376..0000000000 --- a/keyboards/lets-split/lets-split.h +++ /dev/null @@ -1,4 +0,0 @@ -#include "quantum.h" -#include <avr/wdt.h> - -void promicro_bootloader_jmp(bool program);
\ No newline at end of file diff --git a/keyboards/lets-split/Makefile b/keyboards/lets_split/Makefile index 247f978f01..d8e283896e 100644 --- a/keyboards/lets-split/Makefile +++ b/keyboards/lets_split/Makefile @@ -1,4 +1,6 @@ - +SRC += matrix.c \ + i2c.c \ + split_util.c # MCU name #MCU = at90usb1287 @@ -68,6 +70,8 @@ RGBLIGHT_ENABLE ?= no # Enable WS2812 RGB underlight. Do not enable this # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE SLEEP_LED_ENABLE ?= no # Breathing sleep LED during USB suspend +CUSTOM_MATRIX = yes + ifndef QUANTUM_DIR include ../../Makefile endif
\ No newline at end of file diff --git a/keyboards/lets-split/config.h b/keyboards/lets_split/config.h index 5b464147d3..e68787e0b5 100644 --- a/keyboards/lets-split/config.h +++ b/keyboards/lets_split/config.h @@ -29,12 +29,18 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define DESCRIPTION A split keyboard for the cheap makers /* key matrix size */ -#define MATRIX_ROWS 4 +#define MATRIX_ROWS 8 #define MATRIX_COLS 6 -#define MATRIX_ROW_PINS { B5, B4, E6, D7, } +// wiring of each half +#define MATRIX_ROW_PINS { B5, B4, E6, D7 } #define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 } +#define USE_I2C + +// #define I2C_MASTER_LEFT +#define I2C_MASTER_RIGHT + /* COL2ROW or ROW2COL */ #define DIODE_DIRECTION COL2ROW diff --git a/keyboards/lets_split/i2c.c b/keyboards/lets_split/i2c.c new file mode 100644 index 0000000000..c72789403e --- /dev/null +++ b/keyboards/lets_split/i2c.c @@ -0,0 +1,159 @@ +#include <util/twi.h> +#include <avr/io.h> +#include <stdlib.h> +#include <avr/interrupt.h> +#include <util/twi.h> +#include <stdbool.h> +#include "i2c.h" + +// Limits the amount of we wait for any one i2c transaction. +// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is +// 9 bits, a single transaction will take around 90μs to complete. +// +// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit +// poll loop takes at least 8 clock cycles to execute +#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8 + +#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE) + +volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +static volatile uint8_t slave_buffer_pos; +static volatile bool slave_has_register_set = false; + +// Wait for an i2c operation to finish +inline static +void i2c_delay(void) { + uint16_t lim = 0; + while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT) + lim++; + + // easier way, but will wait slightly longer + // _delay_us(100); +} + +// Setup twi to run at 100kHz +void i2c_master_init(void) { + // no prescaler + TWSR = 0; + // Set TWI clock frequency to SCL_CLOCK. Need TWBR>10. + // Check datasheets for more info. + TWBR = ((F_CPU/SCL_CLOCK)-16)/2; +} + +// Start a transaction with the given i2c slave address. The direction of the +// transfer is set with I2C_READ and I2C_WRITE. +// returns: 0 => success +// 1 => error +uint8_t i2c_master_start(uint8_t address) { + TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA); + + i2c_delay(); + + // check that we started successfully + if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START)) + return 1; + + TWDR = address; + TWCR = (1<<TWINT) | (1<<TWEN); + + i2c_delay(); + + if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) ) + return 1; // slave did not acknowledge + else + return 0; // success +} + + +// Finish the i2c transaction. +void i2c_master_stop(void) { + TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO); + + uint16_t lim = 0; + while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT) + lim++; +} + +// Write one byte to the i2c slave. +// returns 0 => slave ACK +// 1 => slave NACK +uint8_t i2c_master_write(uint8_t data) { + TWDR = data; + TWCR = (1<<TWINT) | (1<<TWEN); + + i2c_delay(); + + // check if the slave acknowledged us + return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1; +} + +// Read one byte from the i2c slave. If ack=1 the slave is acknowledged, +// if ack=0 the acknowledge bit is not set. +// returns: byte read from i2c device +uint8_t i2c_master_read(int ack) { + TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA); + + i2c_delay(); + return TWDR; +} + +void i2c_reset_state(void) { + TWCR = 0; +} + +void i2c_slave_init(uint8_t address) { + TWAR = address << 0; // slave i2c address + // TWEN - twi enable + // TWEA - enable address acknowledgement + // TWINT - twi interrupt flag + // TWIE - enable the twi interrupt + TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN); +} + +ISR(TWI_vect); + +ISR(TWI_vect) { + uint8_t ack = 1; + switch(TW_STATUS) { + case TW_SR_SLA_ACK: + // this device has been addressed as a slave receiver + slave_has_register_set = false; + break; + + case TW_SR_DATA_ACK: + // this device has received data as a slave receiver + // The first byte that we receive in this transaction sets the location + // of the read/write location of the slaves memory that it exposes over + // i2c. After that, bytes will be written at slave_buffer_pos, incrementing + // slave_buffer_pos after each write. + if(!slave_has_register_set) { + slave_buffer_pos = TWDR; + // don't acknowledge the master if this memory loctaion is out of bounds + if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) { + ack = 0; + slave_buffer_pos = 0; + } + slave_has_register_set = true; + } else { + i2c_slave_buffer[slave_buffer_pos] = TWDR; + BUFFER_POS_INC(); + } + break; + + case TW_ST_SLA_ACK: + case TW_ST_DATA_ACK: + // master has addressed this device as a slave transmitter and is + // requesting data. + TWDR = i2c_slave_buffer[slave_buffer_pos]; + BUFFER_POS_INC(); + break; + + case TW_BUS_ERROR: // something went wrong, reset twi state + TWCR = 0; + default: + break; + } + // Reset everything, so we are ready for the next TWI interrupt + TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN); +} diff --git a/keyboards/lets_split/i2c.h b/keyboards/lets_split/i2c.h new file mode 100644 index 0000000000..08ce4b0093 --- /dev/null +++ b/keyboards/lets_split/i2c.h @@ -0,0 +1,31 @@ +#ifndef I2C_H +#define I2C_H + +#include <stdint.h> + +#ifndef F_CPU +#define F_CPU 16000000UL +#endif + +#define I2C_READ 1 +#define I2C_WRITE 0 + +#define I2C_ACK 1 +#define I2C_NACK 0 + +#define SLAVE_BUFFER_SIZE 0x10 + +// i2c SCL clock frequency +#define SCL_CLOCK 100000L + +extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +void i2c_master_init(void); +uint8_t i2c_master_start(uint8_t address); +void i2c_master_stop(void); +uint8_t i2c_master_write(uint8_t data); +uint8_t i2c_master_read(int); +void i2c_reset_state(void); +void i2c_slave_init(uint8_t address); + +#endif diff --git a/keyboards/lets-split/keymaps/default/keymap.c b/keyboards/lets_split/keymaps/default/keymap.c index 00602394fe..01e3593c22 100644 --- a/keyboards/lets-split/keymaps/default/keymap.c +++ b/keyboards/lets_split/keymaps/default/keymap.c @@ -1,4 +1,4 @@ -#include "lets-split.h" +#include "lets_split.h" #include "action_layer.h" #define BASE 0 @@ -14,12 +14,12 @@ enum preonic_keycodes { const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { -[BASE] = { - {KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T }, - {KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G }, - {KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B }, - {KC_IDK, KC_LCTL, KC_LALT, KC_LGUI, KC_SPC, PM_RESET } -} +[BASE] = KEYMAP( + KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC, \ + KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, \ + KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT, \ + KC_IDK, KC_LCTL, KC_LALT, KC_LGUI, PM_RESET,KC_SPC, KC_SPC, PM_RESET,KC_LEFT, KC_DOWN, KC_UP, KC_RGHT \ +) }; diff --git a/keyboards/lets-split/lets-split.c b/keyboards/lets_split/lets_split.c index ee98723037..1859dc20a7 100644 --- a/keyboards/lets-split/lets-split.c +++ b/keyboards/lets_split/lets_split.c @@ -1,4 +1,4 @@ -#include "lets-split.h" +#include "lets_split.h" #ifdef AUDIO_ENABLE float tone_startup[][2] = SONG(STARTUP_SOUND); @@ -12,13 +12,13 @@ void matrix_init_kb(void) { PLAY_NOTE_ARRAY(tone_startup, false, 0); #endif - // green led on - DDRD |= (1<<5); - PORTD &= ~(1<<5); + // // green led on + // DDRD |= (1<<5); + // PORTD &= ~(1<<5); - // orange led on - DDRB |= (1<<0); - PORTB &= ~(1<<0); + // // orange led on + // DDRB |= (1<<0); + // PORTB &= ~(1<<0); matrix_init_user(); }; diff --git a/keyboards/lets_split/lets_split.h b/keyboards/lets_split/lets_split.h new file mode 100644 index 0000000000..e59aed5921 --- /dev/null +++ b/keyboards/lets_split/lets_split.h @@ -0,0 +1,21 @@ +#include "quantum.h" +#include <avr/wdt.h> + +void promicro_bootloader_jmp(bool program); + +#define KEYMAP( \ + k00, k01, k02, k03, k04, k05, k40, k41, k42, k43, k44, k45, \ + k10, k11, k12, k13, k14, k15, k50, k51, k52, k53, k54, k55, \ + k20, k21, k22, k23, k24, k25, k60, k61, k62, k63, k64, k65, \ + k30, k31, k32, k33, k34, k35, k70, k71, k72, k73, k74, k75 \ + ) \ + { \ + { k00, k01, k02, k03, k04, k05 }, \ + { k10, k11, k12, k13, k14, k15 }, \ + { k20, k21, k22, k23, k24, k25 }, \ + { k30, k31, k32, k33, k34, k35 }, \ + { k40, k41, k42, k43, k44, k45 }, \ + { k50, k51, k52, k53, k54, k55 }, \ + { k60, k61, k62, k63, k64, k65 }, \ + { k70, k71, k72, k73, k74, k75 } \ + }
\ No newline at end of file diff --git a/keyboards/lets_split/matrix.c b/keyboards/lets_split/matrix.c new file mode 100644 index 0000000000..16c2ba0bad --- /dev/null +++ b/keyboards/lets_split/matrix.c @@ -0,0 +1,310 @@ +/* +Copyright 2012 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 +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* + * scan matrix + */ +#include <stdint.h> +#include <stdbool.h> +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "i2c.h" +#include "split_util.h" +#include "pro_micro.h" +#include "config.h" + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif + +#define ERROR_DISCONNECT_COUNT 5 + +static uint8_t debouncing = DEBOUNCE; +static const int ROWS_PER_HAND = MATRIX_ROWS/2; +static uint8_t error_count = 0; + +static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; + +/* 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); + +__attribute__ ((weak)) +void matrix_init_quantum(void) { + matrix_init_kb(); +} + +__attribute__ ((weak)) +void matrix_scan_quantum(void) { + matrix_scan_kb(); +} + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +__attribute__ ((weak)) +void matrix_init_user(void) { +} + +__attribute__ ((weak)) +void matrix_scan_user(void) { +} + +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(); + + TX_RX_LED_INIT; + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + + matrix_init_quantum(); +} + +uint8_t _matrix_scan(void) +{ + // Right hand is stored after the left in the matirx so, we need to offset it + int offset = isLeftHand ? 0 : (ROWS_PER_HAND); + + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + select_row(i); + _delay_us(30); // without this wait read unstable value. + matrix_row_t cols = read_cols(); + if (matrix_debouncing[i+offset] != cols) { + matrix_debouncing[i+offset] = cols; + debouncing = DEBOUNCE; + } + unselect_rows(); + } + + if (debouncing) { + if (--debouncing) { + _delay_ms(1); + } else { + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + matrix[i+offset] = matrix_debouncing[i+offset]; + } + } + } + + return 1; +} + +// Get rows from other half over i2c +int i2c_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + + int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // start of matrix stored at 0x00 + err = i2c_master_write(0x00); + if (err) goto i2c_error; + + // Start read + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); + if (err) goto i2c_error; + + if (!err) { + int i; + for (i = 0; i < ROWS_PER_HAND-1; ++i) { + matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); + } + matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); + i2c_master_stop(); + } else { +i2c_error: // the cable is disconnceted, or something else went wrong + i2c_reset_state(); + return err; + } + + return 0; +} + +#ifndef USE_I2C +int serial_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + + if (serial_update_buffers()) { + return 1; + } + + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = serial_slave_buffer[i]; + } + return 0; +} +#endif + +uint8_t matrix_scan(void) +{ + int ret = _matrix_scan(); + + + +#ifdef USE_I2C + if( i2c_transaction() ) { +#else + if( serial_transaction() ) { +#endif + // turn on the indicator led when halves are disconnected + TXLED1; + + error_count++; + + if (error_count > ERROR_DISCONNECT_COUNT) { + // reset other half if disconnected + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = 0; + } + } + } else { + // turn off the indicator led on no error + TXLED0; + error_count = 0; + } + + matrix_scan_quantum(); + + return ret; +} + +void matrix_slave_scan(void) { + _matrix_scan(); + + int offset = (isLeftHand) ? 0 : (MATRIX_ROWS / 2); + +#ifdef USE_I2C + for (int i = 0; i < ROWS_PER_HAND; ++i) { + /* i2c_slave_buffer[i] = matrix[offset+i]; */ + i2c_slave_buffer[i] = matrix[offset+i]; + } +#else + for (int i = 0; i < ROWS_PER_HAND; ++i) { + serial_slave_buffer[i] = matrix[offset+i]; + } +#endif +} + +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]; +} + +void matrix_print(void) +{ + print("\nr/c 0123456789ABCDEF\n"); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + phex(row); print(": "); + pbin_reverse16(matrix_get_row(row)); + print("\n"); + } +} + +uint8_t matrix_key_count(void) +{ + uint8_t count = 0; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + count += bitpop16(matrix[i]); + } + return count; +} + +static void init_cols(void) +{ + for(int x = 0; x < MATRIX_COLS; x++) { + _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF); + _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF); + } +} + +static matrix_row_t read_cols(void) +{ + matrix_row_t result = 0; + for(int x = 0; x < MATRIX_COLS; x++) { + result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x); + } + return result; +} + +static void unselect_rows(void) +{ + for(int x = 0; x < ROWS_PER_HAND; x++) { + _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF); + _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF); + } +} + +static void select_row(uint8_t row) +{ + _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF); + _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF); +} diff --git a/keyboards/lets_split/pro_micro.h b/keyboards/lets_split/pro_micro.h new file mode 100644 index 0000000000..09e219b7b1 --- /dev/null +++ b/keyboards/lets_split/pro_micro.h @@ -0,0 +1,362 @@ +/* + pins_arduino.h - Pin definition functions for Arduino + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2007 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA + + $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $ +*/ + +#ifndef Pins_Arduino_h +#define Pins_Arduino_h + +#include <avr/pgmspace.h> + +// Workaround for wrong definitions in "iom32u4.h". +// This should be fixed in the AVR toolchain. +#undef UHCON +#undef UHINT +#undef UHIEN +#undef UHADDR +#undef UHFNUM +#undef UHFNUML +#undef UHFNUMH +#undef UHFLEN +#undef UPINRQX +#undef UPINTX +#undef UPNUM +#undef UPRST +#undef UPCONX +#undef UPCFG0X +#undef UPCFG1X +#undef UPSTAX +#undef UPCFG2X +#undef UPIENX +#undef UPDATX +#undef TCCR2A +#undef WGM20 +#undef WGM21 +#undef COM2B0 +#undef COM2B1 +#undef COM2A0 +#undef COM2A1 +#undef TCCR2B +#undef CS20 +#undef CS21 +#undef CS22 +#undef WGM22 +#undef FOC2B +#undef FOC2A +#undef TCNT2 +#undef TCNT2_0 +#undef TCNT2_1 +#undef TCNT2_2 +#undef TCNT2_3 +#undef TCNT2_4 +#undef TCNT2_5 +#undef TCNT2_6 +#undef TCNT2_7 +#undef OCR2A +#undef OCR2_0 +#undef OCR2_1 +#undef OCR2_2 +#undef OCR2_3 +#undef OCR2_4 +#undef OCR2_5 +#undef OCR2_6 +#undef OCR2_7 +#undef OCR2B +#undef OCR2_0 +#undef OCR2_1 +#undef OCR2_2 +#undef OCR2_3 +#undef OCR2_4 +#undef OCR2_5 +#undef OCR2_6 +#undef OCR2_7 + +#define NUM_DIGITAL_PINS 30 +#define NUM_ANALOG_INPUTS 12 + +#define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0) +#define TXLED0 PORTD |= (1<<5) +#define TXLED1 PORTD &= ~(1<<5) +#define RXLED0 PORTB |= (1<<0) +#define RXLED1 PORTB &= ~(1<<0) + +static const uint8_t SDA = 2; +static const uint8_t SCL = 3; +#define LED_BUILTIN 13 + +// Map SPI port to 'new' pins D14..D17 +static const uint8_t SS = 17; +static const uint8_t MOSI = 16; +static const uint8_t MISO = 14; +static const uint8_t SCK = 15; + +// Mapping of analog pins as digital I/O +// A6-A11 share with digital pins +static const uint8_t A0 = 18; +static const uint8_t A1 = 19; +static const uint8_t A2 = 20; +static const uint8_t A3 = 21; +static const uint8_t A4 = 22; +static const uint8_t A5 = 23; +static const uint8_t A6 = 24; // D4 +static const uint8_t A7 = 25; // D6 +static const uint8_t A8 = 26; // D8 +static const uint8_t A9 = 27; // D9 +static const uint8_t A10 = 28; // D10 +static const uint8_t A11 = 29; // D12 + +#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0)) +#define digitalPinToPCICRbit(p) 0 +#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0)) +#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4)))))) + +// __AVR_ATmega32U4__ has an unusual mapping of pins to channels +extern const uint8_t PROGMEM analog_pin_to_channel_PGM[]; +#define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) ) + +#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT))))) + +#ifdef ARDUINO_MAIN + +// On the Arduino board, digital pins are also used +// for the analog output (software PWM). Analog input +// pins are a separate set. + +// ATMEL ATMEGA32U4 / ARDUINO LEONARDO +// +// D0 PD2 RXD1/INT2 +// D1 PD3 TXD1/INT3 +// D2 PD1 SDA SDA/INT1 +// D3# PD0 PWM8/SCL OC0B/SCL/INT0 +// D4 A6 PD4 ADC8 +// D5# PC6 ??? OC3A/#OC4A +// D6# A7 PD7 FastPWM #OC4D/ADC10 +// D7 PE6 INT6/AIN0 +// +// D8 A8 PB4 ADC11/PCINT4 +// D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5 +// D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6 +// D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7 +// D12 A11 PD6 T1/#OC4D/ADC9 +// D13# PC7 PWM10 CLK0/OC4A +// +// A0 D18 PF7 ADC7 +// A1 D19 PF6 ADC6 +// A2 D20 PF5 ADC5 +// A3 D21 PF4 ADC4 +// A4 D22 PF1 ADC1 +// A5 D23 PF0 ADC0 +// +// New pins D14..D17 to map SPI port to digital pins +// +// MISO D14 PB3 MISO,PCINT3 +// SCK D15 PB1 SCK,PCINT1 +// MOSI D16 PB2 MOSI,PCINT2 +// SS D17 PB0 RXLED,SS/PCINT0 +// +// Connected LEDs on board for TX and RX +// TXLED D24 PD5 XCK1 +// RXLED D17 PB0 +// HWB PE2 HWB + +// these arrays map port names (e.g. port B) to the +// appropriate addresses for various functions (e.g. reading +// and writing) +const uint16_t PROGMEM port_to_mode_PGM[] = { + NOT_A_PORT, + NOT_A_PORT, + (uint16_t) &DDRB, + (uint16_t) &DDRC, + (uint16_t) &DDRD, + (uint16_t) &DDRE, + (uint16_t) &DDRF, +}; + +const uint16_t PROGMEM port_to_output_PGM[] = { + NOT_A_PORT, + NOT_A_PORT, + (uint16_t) &PORTB, + (uint16_t) &PORTC, + (uint16_t) &PORTD, + (uint16_t) &PORTE, + (uint16_t) &PORTF, +}; + +const uint16_t PROGMEM port_to_input_PGM[] = { + NOT_A_PORT, + NOT_A_PORT, + (uint16_t) &PINB, + (uint16_t) &PINC, + (uint16_t) &PIND, + (uint16_t) &PINE, + (uint16_t) &PINF, +}; + +const uint8_t PROGMEM digital_pin_to_port_PGM[] = { + PD, // D0 - PD2 + PD, // D1 - PD3 + PD, // D2 - PD1 + PD, // D3 - PD0 + PD, // D4 - PD4 + PC, // D5 - PC6 + PD, // D6 - PD7 + PE, // D7 - PE6 + + PB, // D8 - PB4 + PB, // D9 - PB5 + PB, // D10 - PB6 + PB, // D11 - PB7 + PD, // D12 - PD6 + PC, // D13 - PC7 + + PB, // D14 - MISO - PB3 + PB, // D15 - SCK - PB1 + PB, // D16 - MOSI - PB2 + PB, // D17 - SS - PB0 + + PF, // D18 - A0 - PF7 + PF, // D19 - A1 - PF6 + PF, // D20 - A2 - PF5 + PF, // D21 - A3 - PF4 + PF, // D22 - A4 - PF1 + PF, // D23 - A5 - PF0 + + PD, // D24 - PD5 + PD, // D25 / D6 - A7 - PD7 + PB, // D26 / D8 - A8 - PB4 + PB, // D27 / D9 - A9 - PB5 + PB, // D28 / D10 - A10 - PB6 + PD, // D29 / D12 - A11 - PD6 +}; + +const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = { + _BV(2), // D0 - PD2 + _BV(3), // D1 - PD3 + _BV(1), // D2 - PD1 + _BV(0), // D3 - PD0 + _BV(4), // D4 - PD4 + _BV(6), // D5 - PC6 + _BV(7), // D6 - PD7 + _BV(6), // D7 - PE6 + + _BV(4), // D8 - PB4 + _BV(5), // D9 - PB5 + _BV(6), // D10 - PB6 + _BV(7), // D11 - PB7 + _BV(6), // D12 - PD6 + _BV(7), // D13 - PC7 + + _BV(3), // D14 - MISO - PB3 + _BV(1), // D15 - SCK - PB1 + _BV(2), // D16 - MOSI - PB2 + _BV(0), // D17 - SS - PB0 + + _BV(7), // D18 - A0 - PF7 + _BV(6), // D19 - A1 - PF6 + _BV(5), // D20 - A2 - PF5 + _BV(4), // D21 - A3 - PF4 + _BV(1), // D22 - A4 - PF1 + _BV(0), // D23 - A5 - PF0 + + _BV(5), // D24 - PD5 + _BV(7), // D25 / D6 - A7 - PD7 + _BV(4), // D26 / D8 - A8 - PB4 + _BV(5), // D27 / D9 - A9 - PB5 + _BV(6), // D28 / D10 - A10 - PB6 + _BV(6), // D29 / D12 - A11 - PD6 +}; + +const uint8_t PROGMEM digital_pin_to_timer_PGM[] = { + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + TIMER0B, /* 3 */ + NOT_ON_TIMER, + TIMER3A, /* 5 */ + TIMER4D, /* 6 */ + NOT_ON_TIMER, + + NOT_ON_TIMER, + TIMER1A, /* 9 */ + TIMER1B, /* 10 */ + TIMER0A, /* 11 */ + + NOT_ON_TIMER, + TIMER4A, /* 13 */ + + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, +}; + +const uint8_t PROGMEM analog_pin_to_channel_PGM[] = { + 7, // A0 PF7 ADC7 + 6, // A1 PF6 ADC6 + 5, // A2 PF5 ADC5 + 4, // A3 PF4 ADC4 + 1, // A4 PF1 ADC1 + 0, // A5 PF0 ADC0 + 8, // A6 D4 PD4 ADC8 + 10, // A7 D6 PD7 ADC10 + 11, // A8 D8 PB4 ADC11 + 12, // A9 D9 PB5 ADC12 + 13, // A10 D10 PB6 ADC13 + 9 // A11 D12 PD6 ADC9 +}; + +#endif /* ARDUINO_MAIN */ + +// T |