diff options
| -rw-r--r-- | keymap.h | 1 | ||||
| -rwxr-xr-x | layer.c | 1 | ||||
| -rw-r--r-- | ps2_usart.c | 2 | ||||
| -rw-r--r-- | ps2_usb/Makefile.pjrc_usart | 56 | ||||
| -rw-r--r-- | ps2_usb/README | 68 | ||||
| -rw-r--r-- | ps2_usb/config_pjrc_usart.h | 91 |
6 files changed, 175 insertions, 44 deletions
@@ -20,7 +20,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include <stdint.h> #include <stdbool.h> -#include "usb_keycodes.h" /* keycode in specific layer */ @@ -19,6 +19,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include "host.h" #include "debug.h" #include "timer.h" +#include "usb_keycodes.h" #include "layer.h" diff --git a/ps2_usart.c b/ps2_usart.c index 68608bad4..7d591c650 100644 --- a/ps2_usart.c +++ b/ps2_usart.c @@ -95,10 +95,8 @@ static inline uint16_t wait_data_lo(uint16_t us); static inline uint16_t wait_data_hi(uint16_t us); static inline void idle(void); static inline void inhibit(void); -#if defined PS2_USE_INT || defined PS2_USE_USART static inline uint8_t pbuf_dequeue(void); static inline void pbuf_enqueue(uint8_t data); -#endif void ps2_host_init(void) diff --git a/ps2_usb/Makefile.pjrc_usart b/ps2_usb/Makefile.pjrc_usart new file mode 100644 index 000000000..e620e66c2 --- /dev/null +++ b/ps2_usb/Makefile.pjrc_usart @@ -0,0 +1,56 @@ +# +# Makefile for PJRC Teensy +# + + +# Target file name (without extension). +TARGET = ps2_usb_pjrc_usart + +# Directory common source filess exist +COMMON_DIR = .. + +# Directory keyboard dependent files exist +TARGET_DIR = . + +# keyboard dependent files +SRC = main.c \ + keymap.c \ + matrix.c \ + led.c \ + ps2_usart.c + +CONFIG_H = config_pjrc_usart.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 + + +# Build Options +# *Comment out* to disable the options. +# +MOUSEKEY_ENABLE = yes # Mouse keys +EXTRAKEY_ENABLE = yes # Audio control and System control +NKRO_ENABLE = yes # USB Nkey Rollover + + + +#---------------- Programming Options -------------------------- +PROGRAM_CMD = teensy_loader_cli -mmcu=$(MCU) -w -v $(TARGET).hex + + + +include $(COMMON_DIR)/pjrc.mk +include $(COMMON_DIR)/common.mk diff --git a/ps2_usb/README b/ps2_usb/README index b3bcfbe4d..fe651f031 100644 --- a/ps2_usb/README +++ b/ps2_usb/README @@ -1,40 +1,56 @@ PS/2 to USB keyboard converter ============================== This firmware converts PS/2 keyboard protocol to USB and for now supports only Scan Code Set 2. +This will works on USB AVR(ATMega32U4, AT90USB) or V-USB. Features -------- Mouse keys You can emulates mouse move and button click using keyboard. - System/Media control You can sends Power event, Volume down/up and Mute. - USB NKRO(actually 120KRO+8Modifiers) You can tolggles NKRO feature. - Keymap customization You can customize keymaps easily by editing source code. See keymap.c. +PS/2 signal handling implementations +------------------------------------ +Following three methods are used to implement PS/2 signal handling. +a. Simple and stupid wait & read loop(intensive use of cycles) + This is implemented with (expected) portable C code for reference. See ps2.c. +b. Interrupt driven + See ps2_intr.c +c. Using USART hardware module(no cycle needed) + This uses AVR USART function to recevie PS/2 signal and be used in V-USB converter. + See ps2_usart.c. + + Build Converter --------------- -0. Connect PS/2 keyboard into Teensy with 4 lines(Vcc, GND, Data, Clock). - By default Clock is on PF0 and Data on PF1. - You can change this pin configuration by editing config_pjrc.h. - In this photo Vcc is yellow, GND is green, Data is red and Clock is black. - http://img17.imageshack.us/img17/7243/201101181933.jpg +Connect PS/2 keyboard into Teensy with 4 lines(Vcc, GND, Data, Clock). +For a. Simple and stupid and b. Interrupt implementaion: + By default Clock is on PF0 and Data on PF1. + You can change this pin configuration by editing config_pjrc.h. + In this photo Vcc is yellow, GND is green, Data is red and Clock is black. + http://img17.imageshack.us/img17/7243/201101181933.jpg +For c. USART implementation: + In case of Teensny(ATMega32u4) CLock is on PD2 and Data on PD5. Build Frimware -------------- 1. Edit Makefile for build options and MCU setting. - Use 'atmega32u4' for Teensy 2.0 or 'at90usb1286' for Teensy++ 2.0. + Use 'atmega32u4' for Teensy 2.0 or 'at90usb1286' for Teensy++ 2.0. 2. make - Just type 'make' in a terminal. + Just type 'make' in a terminal. + Use '-f Makefile.pjrc_intr' option to use b. Interrupt. + Use '-f Makefile.pjrc_usart' option to use c. USART. + Use '-f Makefile.vusb' option to build V-USB converter. 3. program with Teensy Loader. - http://www.pjrc.com/teensy/loader.html + http://www.pjrc.com/teensy/loader.html Demonstration of Features @@ -97,34 +113,4 @@ To define keymap layer switching may needs a bit of your effort at this time. ), -Multimedia keys ---------------- -Following lists PS/2 special keys supported by Windows. -http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx - -Key PS/2(Set2) HID ---------------------------------------------------- -System Power E0 37 01 0081 -System Sleep E0 3F 01 0082 -System Wake E0 5E 01 0083 -System Mute E0 23 0C 00E2 -Volume Up E0 32 0C 00E9 -Volume Down E0 21 0C 00EA -Scan Next Track E0 4D 0C 00B5 -Scan Previous Track E0 15 0C 00B6 -Stop E0 3B 0C 00B7 -Play/Pause E0 34 0C 00CD -Media Select E0 50 0C 0183 -Mail E0 48 0C 018A -Calculator E0 2B 0C 0192 -My Computer E0 40 0C 0194 -WWW Search E0 10 0C 0221 -WWW Home E0 3A 0C 0223 -WWW Back E0 38 0C 0224 -WWW Forward E0 30 0C 0225 -WWW Stop E0 28 0C 0226 -WWW Refresh E0 20 0C 0227 -WWW Favorites E0 18 0C 022A - - EOF diff --git a/ps2_usb/config_pjrc_usart.h b/ps2_usb/config_pjrc_usart.h new file mode 100644 index 000000000..23b0c7910 --- /dev/null +++ b/ps2_usb/config_pjrc_usart.h @@ -0,0 +1,91 @@ +/* +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 + +/* controller configuration */ +#include "controller_teensy.h" + +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x6513 +#define MANUFACTURER t.m.k. +#define PRODUCT PS/2 keyboard converter(USART) +#define DESCRIPTION convert PS/2 keyboard to USB + + +/* matrix size */ +#define MATRIX_ROWS 32 // keycode bit: 3-0 +#define MATRIX_COLS 8 // keycode bit: 6-4 + + +/* key combination for command */ +#define IS_COMMAND() ( \ + keyboard_report->mods == (MOD_BIT(KB_LSHIFT) | MOD_BIT(KB_RSHIFT)) || \ + keyboard_report->mods == (MOD_BIT(KB_LCTRL) | MOD_BIT(KB_RSHIFT)) \ +) + + +/* mouse keys */ +#ifdef MOUSEKEY_ENABLE +# define MOUSEKEY_DELAY_TIME 255 +#endif + + +/* PS/2 lines */ +#define PS2_CLOCK_PORT PORTF +#define PS2_CLOCK_PIN PINF +#define PS2_CLOCK_DDR DDRF +#define PS2_CLOCK_BIT 5 +#define PS2_DATA_PORT PORTF +#define PS2_DATA_PIN PINF +#define PS2_DATA_DDR DDRF +#define PS2_DATA_BIT 2 + + +// synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge +// set DDR of CLOCK as input to be slave +#define PS2_USART_INIT() do { \ + PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \ + PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \ + UCSR1C = ((1 << UMSEL10) | \ + (3 << UPM10) | \ + (0 << USBS1) | \ + (3 << UCSZ10) | \ + (0 << UCPOL1)); \ + UCSR1A = 0; \ + UBRR1H = 0; \ + UBRR1L = 0; \ +} while (0) +#define PS2_USART_RX_INT_ON() do { \ + UCSR1B = ((1 << RXCIE1) | \ + (1 << RXEN1)); \ +} while (0) +#define PS2_USART_RX_POLL_ON() do { \ + UCSR1B = (1 << RXEN1); \ +} while (0) +#define PS2_USART_OFF() do { \ + UCSR1C = 0; \ + UCSR1B &= ~((1 << RXEN1) | \ + (1 << TXEN1)); \ +} while (0) +#define PS2_USART_RX_READY (UCSR1A & (1<<RXC1)) +#define PS2_USART_RX_DATA UDR1 +#define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1))) +#define PS2_USART_RX_VECT USART1_RX_vect + +#endif |