diff options
Diffstat (limited to 'converter/sun_usb')
| -rw-r--r-- | converter/sun_usb/Makefile | 82 | ||||
| -rw-r--r-- | converter/sun_usb/README | 79 | ||||
| -rw-r--r-- | converter/sun_usb/config.h | 67 | ||||
| -rw-r--r-- | converter/sun_usb/keymap.c | 192 | ||||
| -rw-r--r-- | converter/sun_usb/led.c | 25 | ||||
| -rw-r--r-- | converter/sun_usb/matrix.c | 159 |
6 files changed, 604 insertions, 0 deletions
diff --git a/converter/sun_usb/Makefile b/converter/sun_usb/Makefile new file mode 100644 index 0000000000..4c79a8d278 --- /dev/null +++ b/converter/sun_usb/Makefile @@ -0,0 +1,82 @@ +# Target file name (without extension). +TARGET = sun_usb + +# Directory common source filess exist +TOP_DIR = ../.. + +# Directory keyboard dependent files exist +TARGET_DIR = . + +# keyboard dependent files +SRC = keymap.c \ + matrix.c \ + led.c \ + protocol/serial_soft.c + +CONFIG_H = config.h + + +# MCU name, you MUST set this to match the board you are using +# type "make clean" after changing this, so all files will be rebuilt +#MCU = at90usb162 # Teensy 1.0 +MCU = atmega32u4 # Teensy 2.0 +#MCU = at90usb646 # Teensy++ 1.0 +#MCU = at90usb1286 # Teensy++ 2.0 + + +# Processor frequency. +# Normally the first thing your program should do is set the clock prescaler, +# so your program will run at the correct speed. You should also set this +# variable to same clock speed. The _delay_ms() macro uses this, and many +# examples use this variable to calculate timings. Do not add a "UL" here. +F_CPU = 16000000 + + +# +# LUFA specific +# +# Target architecture (see library "Board Types" documentation). +ARCH = AVR8 + +# Input clock frequency. +# This will define a symbol, F_USB, in all source code files equal to the +# input clock frequency (before any prescaling is performed) in Hz. This value may +# differ from F_CPU if prescaling is used on the latter, and is required as the +# raw input clock is fed directly to the PLL sections of the AVR for high speed +# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL' +# at the end, this will be done automatically to create a 32-bit value in your +# source code. +# +# If no clock division is performed on the input clock inside the AVR (via the +# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. +F_USB = $(F_CPU) + +# Interrupt driven control endpoint task +OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + + +# Build Options +# *Comment out* to disable the options. +# +MOUSEKEY_ENABLE = yes # Mouse keys +EXTRAKEY_ENABLE = yes # Audio control and System control +CONSOLE_ENABLE = yes # Console for debug +#NKRO_ENABLE = yes # USB Nkey Rollover + + +# Boot Section Size in bytes +# Teensy halfKay 512 +# Atmel DFU loader 4096 +# LUFA bootloader 4096 +OPT_DEFS += -DBOOT_SIZE=4096 + + +# Search Path +VPATH += $(TARGET_DIR) +VPATH += $(TOP_DIR) + + +include $(TOP_DIR)/protocol/lufa.mk +include $(TOP_DIR)/protocol.mk +include $(TOP_DIR)/common.mk +include $(TOP_DIR)/rules.mk diff --git a/converter/sun_usb/README b/converter/sun_usb/README new file mode 100644 index 0000000000..7b4f95ca25 --- /dev/null +++ b/converter/sun_usb/README @@ -0,0 +1,79 @@ +Sun to USB keyboard protocol converter +====================================== +Target MCU is ATMega32u4 but other USB capable AVR will also work. +Supported keyboards: Sun Type 5 Keyboard, CTCSP SHORT TYPE KEYBOARD(CKUB) + +CTCSP SHORT TYPE KEYBOARD: http://imgur.com/a/QIv6p + + + + +Connector +--------- + 8Pin mini DIN + ___ ___ + / |_| \ + / 8 7 6 \ + | 5 4 3 | + \_ 2 1 _/ + \_____/ + (receptacle) + + Wiring: + Pin mini DIN MCU + ---------------------------------- + 1 GND GND + 2 GND GND + 3 5V + 4 RX/TX(Mouse) + 5 RX PD3 + 6 TX PD2 + 7 GND GND + 8 5V VCC + + +Protocol +-------- +Singnal: Asynchronous, Negative logic, 1200baud, No Flow control +Frame format: 1-Start bit, 8-Data bits, No-Parity, 1-Stop bit + + AVR USART engine expects positive logic while Sun keyboard signal is negative. + To use AVR UART engine you need exteral inverter in front of RX and TX pin. + Otherwise you can software serial routine to communicate the keyboard. + +This converter uses software method, you doesn't need any inverter part. + + +Commands From System To Keyboard + 0x01 Reset + Keyboard responds with following byte sequence: + Success: 0xFF 0x04 0x7F + Fail: 0x7E 0x01 0x7F + 0x02 Bell On + 0x03 Bell Off + 0x0A Click On + 0x0B Click Off + 0x0E LED + followed by LED status byte: + bit: 3 2 1 0 + LED: CapsLk ScrLk Compose NumLk + 0x0F Layout + Keyboard responds with 'Layout Response' 0xFE 0xXX + +Commands From Keyboard To System + 0x7F Idle + means no keys pressed. + 0xFE Layout Response + 0xFF Reset Response(followed by 0x04) + +Reference + http://kentie.net/article/sunkbd/page2.htm + http://kentie.net/article/sunkbd/KBD.pdf + + +Build Firmware +-------------- +Just use 'make' + $ cd sun_usb + $ make +Then, load the binary to MCU with your favorite programmer. diff --git a/converter/sun_usb/config.h b/converter/sun_usb/config.h new file mode 100644 index 0000000000..66961d9330 --- /dev/null +++ b/converter/sun_usb/config.h @@ -0,0 +1,67 @@ +/* +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/>. +*/ + +#ifndef CONFIG_H +#define CONFIG_H + +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x3333 +#define DEVICE_VER 0x0100 +#define MANUFACTURER t.m.k. +#define PRODUCT Sun keyboard converter +#define DESCRIPTION converts Sun keyboard protocol into USB + + +/* matrix size */ +#define MATRIX_ROWS 16 +#define MATRIX_COLS 8 + + +/* key combination for command */ +#define IS_COMMAND() ( \ + keyboard_report->mods == (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT)) || \ + keyboard_report->mods == (MOD_BIT(KC_LGUI) | MOD_BIT(KC_RGUI)) || \ + keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ +) + + +/* Serial(USART) configuration + * asynchronous, negative logic, 1200baud, no flow control + * 1-start bit, 8-data bit, non parity, 1-stop bit + */ +#define SERIAL_NEGATIVE_LOGIC +#define SERIAL_BAUD 1200 +#define SERIAL_RXD_DDR DDRD +#define SERIAL_RXD_PORT PORTD +#define SERIAL_RXD_PIN PIND +#define SERIAL_RXD_BIT 2 +#define SERIAL_RXD_VECT INT2_vect +#define SERIAL_RXD_INIT() do { \ + /* pin configuration: input with pull-up */ \ + SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \ + SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \ + /* enable interrupt: INT2(rising edge) */ \ + EICRA |= ((1<<ISC21)|(1<<ISC20)); \ + EIMSK |= (1<<INT2); \ +} while (0) +#define SERIAL_RXD_INT_ENTER() +#define SERIAL_RXD_INT_EXIT() do { \ + /* clear interrupt flag */ \ + EIFR = (1<<INTF2); \ +} while (0) + +#endif diff --git a/converter/sun_usb/keymap.c b/converter/sun_usb/keymap.c new file mode 100644 index 0000000000..048a863caf --- /dev/null +++ b/converter/sun_usb/keymap.c @@ -0,0 +1,192 @@ +/* +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/>. +*/ + +#include <stdint.h> +#include <stdbool.h> +#include <avr/pgmspace.h> +#include "keycode.h" +#include "util.h" +#include "keymap.h" + + + + +/* Sun type 5 keyboard +,-------. ,---, ,---------------. ,---------------. ,---------------. ,-----------. ,---------------. +| 76 | | | | 05| 06| 08| 0A| | 0C| 0E| 10| 11| | 12| 07| 09| 0B| | 16| 17| 15| | 2D| 02| 04| 30| +`-------' `---' `---------------' `---------------' `---------------' `-----------' `---------------' +,-------. ,-----------------------------------------------------------. ,-----------. ,---------------. +| 01| 03| | 1D| 1E| 1F| 20| 21| 22| 23| 24| 25| 26| 27| 28| 29| 58| 2A| | 2C| 34| 60| | 62| 2E| 2F| 47| +|-------| |-----------------------------------------------------------| |------------ |---------------| +| 19| 1A| | 35 | 36| 37| 38| 39| 3A| 3B| 3C| 3D| 3E| 3F| 40| 41| 2B | | 42| 4A| 7B| | 44| 45| 46| | +|-------| |-----------------------------------------------------------| `-----------' |-----------| 7D| +| 31| 33| | 4C | 4D| 4E| 4F| 50| 51| 52| 53| 54| 55| 56| 57| 59 | | 5B| 5C| 5D| | +|-------| |-----------------------------------------------------------| ,---. |-----------|---| +| 48| 49| | 63 | 64| 65| 66| 67| 68| 69| 6A| 6B| 6C| 6D| 6E | | 14| | 70| 71| 72| | +|-------| |-----------------------------------------------------------| .-----------. |-----------| 5A| +| 5F| 61| | 77 | 13| 78 |*73 | 79 |*74 |*75| 7A | 43| 0D| | 18| 1B| 1C| | 5E | 32| | +`-------' `-----------------------------------------------------------' `-----------' `---------------' +*/ +#define KEYMAP( \ + K76, K05,K06,K08,K0A, K0C,K0E,K10,K11, K12,K07,K09,K0B, K16,K17,K15, K2D,K02,K04,K30, \ + K01,K03, K1D,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28,K29,K58,K2A, K2C,K34,K60, K62,K2E,K2F,K47, \ + K19,K1A, K35, K36,K37,K38,K39,K3A,K3B,K3C,K3D,K3E,K3F,K40,K41, K2B, K42,K4A,K7B, K44,K45,K46,K7D, \ + K31,K33, K4C, K4D,K4E,K4F,K50,K51,K52,K53,K54,K55,K56,K57, K59, K5B,K5C,K5D, \ + K48,K49, K63, K64,K65,K66,K67,K68,K69,K6A,K6B,K6C,K6D, K6E, K14, K70,K71,K72,K5A, \ + K5F,K61, K77,K13, K78, K73, K79, K74, K75, K7A, K43, K0D, K18,K1B,K1C, K5E, K32 \ +) { \ + { KC_NO, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07 }, \ + { KC_##K08, KC_##K09, KC_##K0A, KC_##K0B, KC_##K0C, KC_##K0D, KC_##K0E, KC_NO, }, \ + { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17 }, \ + { KC_##K18, KC_##K19, KC_##K1A, KC_##K1B, KC_##K1C, KC_##K1D, KC_##K1E, KC_##K1F }, \ + { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27 }, \ + { KC_##K28, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D, KC_##K2E, KC_##K2F }, \ + { KC_##K30, KC_##K31, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37 }, \ + { KC_##K38, KC_##K39, KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D, KC_##K3E, KC_##K3F }, \ + { KC_##K40, KC_##K41, KC_##K42, KC_##K43, KC_##K44, KC_##K45, KC_##K46, KC_##K47 }, \ + { KC_##K48, KC_##K49, KC_##K4A, KC_NO, KC_##K4C, KC_##K4D, KC_##K4E, KC_##K4F }, \ + { KC_##K50, KC_##K51, KC_##K52, KC_##K53, KC_##K54, KC_##K55, KC_##K56, KC_##K57 }, \ + { KC_##K58, KC_##K59, KC_##K5A, KC_##K5B, KC_##K5C, KC_##K5D, KC_##K5E, KC_##K5F }, \ + { KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_##K67 }, \ + { KC_##K68, KC_##K69, KC_##K6A, KC_##K6B, KC_##K6C, KC_##K6D, KC_##K6E, KC_NO }, \ + { KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_##K77 }, \ + { KC_##K78, KC_##K79, KC_##K7A, KC_##K7B, KC_NO, KC_##K7D, KC_NO, KC_NO } \ +} + +/* CTCSP SHORT TYPE KEYBOARD */ +#define SHORT_TYPE( \ + K01, K05,K06,K08,K0A,K0C,K0E, K61,K49,K33, K30, K2C,K34,K60, \ + K10,K11,K12,K07,K09,K0B, K42,K4A,K7B, \ + K1D,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28,K29,K58,K2A, \ + K35, K36,K37,K38,K39,K3A,K3B,K3C,K3D,K3E,K3F,K40,K41, K2B, \ + K4C, K4D,K4E,K4F,K50,K51,K52,K53,K54,K55,K56,K57, K59, \ + K63, K64,K65,K66,K67,K68,K69,K6A,K6B,K6C,K6D, K0D,K14,K6E, \ + K77,K13, K78, K79, K7A,K43,K62,K18,K1B,K1C \ +) KEYMAP( \ + HELP, K05,K06,K08,K0A, K0C,K0E,K10,K11, K12,K07,K09,K0B, PSCR,SLCK,PAUS, MUTE,VOLD,VOLU,PWR, \ + K01, AGAIN, K1D,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28,K29,K58,K2A, K2C, K34, K60, K62, PSLS,PAST,PMNS, \ + MENU, UNDO, K35, K36,K37,K38,K39,K3A,K3B,K3C,K3D,K3E,K3F,K40,K41, K2B, K42, K4A, K7B, P7, P8, P9, PPLS, \ + SELECT, COPY, K4C, K4D,K4E,K4F,K50,K51,K52,K53,K54,K55,K56,K57, K59, P4, P5, P6, \ + EXECUTE,PASTE, K63, K64,K65,K66,K67,K68,K69,K6A,K6B,K6C,K6D, K6E, K14, P1, P2, P3, PENT, \ + FIND, CUT, K77,K13, K78, HENK, K79, MHEN, KANA, K7A,K43,K0D, K18, K1B, K1C, P0, PDOT \ +) + + +// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed. +static const uint8_t PROGMEM fn_layer[] = { + 2, // Fn0 + 3, // Fn1 + 4, // Fn2 + 0, // Fn3 + 0, // Fn4 + 0, // Fn5 + 0, // Fn6 + 0 // Fn7 +}; + +// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer. +// See layer.c for details. +static const uint8_t PROGMEM fn_keycode[] = { + KC_NO, // Fn0 + KC_SCLN, // Fn1 + KC_SLSH, // Fn2 + KC_NO, // Fn3 + KC_NO, // Fn4 + KC_NO, // Fn5 + KC_NO, // Fn6 + KC_NO // Fn7 +}; + + +static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { +/* + KEYMAP( + HELP, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10,F11,F12, PSCR,SLCK,PAUS, MUTE,VOLD,VOLU,PWR, + STOP, AGAIN, ESC,1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,GRV, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS, + MENU, UNDO, TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, BSPC, DEL, END, PGDN, P7, P8, P9, PPLS, + SELECT, COPY, LCTL, A, S, D, F, G, H, J, K, L, SCLN,QUOT, ENT, P4, P5, P6, + EXECUTE,PASTE, LSFT, Z, X, C, V, B, N, M, COMM,DOT,SLSH, RSFT, UP, P1, P2, P3, PENT, + FIND, CUT, CAPS, LALT, LGUI,HENK, SPC, MHEN,KANA,RGUI,APP, RALT, LEFT,DOWN,RGHT, P0, PDOT + ), +*/ + // 0: default + SHORT_TYPE( + STOP, F1,F2,F3,F4, F5, F6, CUT,PASTE,COPY,PWR, INS, HOME,PGUP, + F7,F8,F9,F10,F11,F12, DEL, END, PGDN, + ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,GRV, + TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, BSPC, + LCTL, A, S, D, F, G, H, J, K, L, SCLN,QUOT, ENT, + LSFT, Z, X, C, V, B, N, M, COMM,DOT, SLSH, RALT,UP, RSFT, + CAPS,LALT,LGUI, SPC, RGUI,APP, NLCK,LEFT,DOWN,RGHT + ), + // 1: with layer keys + SHORT_TYPE( + ESC, F1,F2,F3,F4, F5, F6, CUT,PASTE,COPY,PWR, INS, HOME,PGUP, + F7,F8,F9,F10,F11,F12, DEL, END, PGDN, + ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,GRV, + TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, BSPC, + LCTL, A, S, D, F, G, H, J, K, L, FN1, QUOT, ENT, + LSFT, Z, X, C, V, B, N, M, COMM,DOT, FN2, RSFT,UP, FN0, + CAPS,LALT,LGUI, SPC, RGUI,RALT,FN0, LEFT,DOWN,RGHT + ), + // 2: HHKB + SHORT_TYPE( + ESC, F1,F2,F3,F4, F5, F6, CUT,PASTE,COPY,PWR, INS, HOME,PGUP, + F7,F8,F9,F10,F11,F12, DEL, END, PGDN, + GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, + CAPS, NO, NO, NO, NO, NO, NO, NO, PSCR,SLCK,PAUS,UP, NO, BSPC, + LCTL, VOLD,VOLU,MUTE,NO, NO, NO, NO, HOME,PGUP,LEFT,RGHT, ENT, + LSFT, Z, X, C, V, B, NO, NO, END, PGDN,DOWN, RSFT,PGUP,FN0, + CAPS,LALT,LGUI, SPC, RGUI,RALT,FN0, HOME,PGDN,END + ), + // 3: Mousekey + SHORT_TYPE( + ESC, F1,F2,F3,F4, F5, F6, CUT,PASTE,COPY,PWR, INS, HOME,PGUP, + F7,F8,F9,F10,F11,F12, DEL, END, PGDN, + GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, + CAPS, NO, NO, NO, NO, NO, WH_L,WH_D,WH_U,WH_R,NO, NO, NO, BSPC, + LCTL, NO, ACL0,ACL1,ACL2,NO, MS_L,MS_D,MS_U,MS_R,FN1, NO, ENT, + LSFT, NO, NO, NO, NO, BTN3,BTN2,BTN1,NO, NO, NO, RSFT,UP, NO, + CAPS,LALT,LGUI, BTN1, RGUI,RALT,NO, LEFT,DOWN,RGHT + ), + // 4: Cursor + SHORT_TYPE( + ESC, F1,F2,F3,F4, F5, F6, CUT,PASTE,COPY,PWR, INS, HOME,PGUP, + F7,F8,F9,F10,F11,F12, DEL, END, PGDN, + GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, + CAPS, NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, NO, NO, NO, BSPC, + LCTL, NO, NO, NO, NO, NO, LEFT,DOWN,UP, RGHT,NO, NO, ENT, + LSFT, NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, FN2, RSFT,UP, NO, + CAPS,LALT,LGUI, BTN1, RGUI,RALT,NO, LEFT,DOWN,RGHT + ), +}; + + +uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col) +{ + return pgm_read_byte(&keymaps[(layer)][(row)][(col)]); +} + +uint8_t keymap_fn_layer(uint8_t index) +{ + return pgm_read_byte(&fn_layer[index]); +} + +uint8_t keymap_fn_keycode(uint8_t index) +{ + return pgm_read_byte(&fn_keycode[index]); +} diff --git a/converter/sun_usb/led.c b/converter/sun_usb/led.c new file mode 100644 index 0000000000..5490ec0c62 --- /dev/null +++ b/converter/sun_usb/led.c @@ -0,0 +1,25 @@ +/* +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/>. +*/ + +#include "stdint.h" +#include "led.h" + + +void led_set(uint8_t usb_led) +{ + // not supported now +} diff --git a/converter/sun_usb/matrix.c b/converter/sun_usb/matrix.c new file mode 100644 index 0000000000..717c131e62 --- /dev/null +++ b/converter/sun_usb/matrix.c @@ -0,0 +1,159 @@ +/* +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/>. +*/ + +#include <stdint.h> +#include <stdbool.h> +#include <avr/io.h> +#include <util/delay.h> +#include "print.h" +#include "util.h" +#include "matrix.h" +#include "debug.h" +#include "protocol/serial.h" + + +/* + * Matrix Array usage: + * + * ROW: 16(4bits) + * COL: 8(3bits) + * + * 8bit wide + * +---------+ + * 0|00 ... 07| + * 1|08 ... 0F| + * :| ... | + * :| ... | + * E|70 ... 77| + * F|78 ... 7F| + * +---------+ + */ +static uint8_t matrix[MATRIX_ROWS]; +#define ROW(code) ((code>>3)&0xF) +#define COL(code) (code&0x07) + +static bool is_modified = false; + + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + print_enable = true; + debug_enable = true; + + serial_init(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; + + return; +} + +uint8_t matrix_scan(void) +{ + is_modified = false; + + uint8_t code; + code = serial_recv(); + if (!code) return 0; + + debug_hex(code); debug(" "); + + switch (code) { + case 0x7E: // reset fail + case 0xFE: // layout + case 0xFF: // reset success + _delay_ms(500); + // ignore response byte + debug("(response ignored:"); + while ((code = serial_recv())) { debug(" "); debug_hex(code); } + debug(") "); + // FALL THROUGH + case 0x7F: + // all keys up + for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; + return 0; + } + + if (code&0x80) { + // break code + if (matrix_is_on(ROW(code), COL(code))) { + matrix[ROW(code)] &= ~(1<<COL(code)); + is_modified = true; + } + } else { + // make code + if (!matrix_is_on(ROW(code), COL(code))) { + matrix[ROW(code)] |= (1<<COL(code)); + is_modified = true; + } + } + return code; +} + +bool matrix_is_modified(void) +{ + return is_modified; +} + +inline +bool matrix_has_ghost(void) +{ + return false; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & (1<<col)); +} + +inline +uint8_t matrix_get_row(uint8_t row) +{ + return matrix[row]; +} + +void matrix_print(void) +{ + print("\nr/c 01234567\n"); + for (uint8_t row = 0; row < matrix_rows(); row++) { + phex(row); print(": "); + pbin_reverse(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 += bitpop(matrix[i]); + } + return count; +} |