diff options
| -rw-r--r-- | converter/pc98_usb/Makefile | 4 | ||||
| -rw-r--r-- | converter/pc98_usb/README | 5 | ||||
| -rw-r--r-- | converter/pc98_usb/command_extra.c | 43 | ||||
| -rw-r--r-- | converter/pc98_usb/config.h | 118 | ||||
| -rw-r--r-- | converter/pc98_usb/keymap.c | 153 | ||||
| -rw-r--r-- | converter/pc98_usb/matrix.c | 59 | ||||
| -rw-r--r-- | converter/sun_usb/config.h | 68 | ||||
| -rw-r--r-- | protocol/serial_soft.c | 97 | ||||
| -rw-r--r-- | protocol/serial_uart.c | 93 |
9 files changed, 395 insertions, 245 deletions
diff --git a/converter/pc98_usb/Makefile b/converter/pc98_usb/Makefile index 076371dbfd..2575d86672 100644 --- a/converter/pc98_usb/Makefile +++ b/converter/pc98_usb/Makefile @@ -11,8 +11,8 @@ TARGET_DIR = . SRC = keymap.c \ matrix.c \ led.c \ - command_extra.c \ - protocol/serial_soft.c + protocol/serial_uart.c +# protocol/serial_soft.c CONFIG_H = config.h diff --git a/converter/pc98_usb/README b/converter/pc98_usb/README index 7d9547d508..23f1b614e6 100644 --- a/converter/pc98_usb/README +++ b/converter/pc98_usb/README @@ -60,6 +60,11 @@ http://davy.nyacom.net/kbd98usb/ PC98 to PS/2 http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm +http://www.tsp.ne.jp/~sawada/mago/src/gka98at.asm PC98 keyboard commands http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt + + +Inhibit repeating key: +0x9C, 0x70 diff --git a/converter/pc98_usb/command_extra.c b/converter/pc98_usb/command_extra.c deleted file mode 100644 index 50389467ea..0000000000 --- a/converter/pc98_usb/command_extra.c +++ /dev/null @@ -1,43 +0,0 @@ -#include "stdbool.h" -#include "stdint.h" -#include "keycode.h" -#include "serial.h" -#include "print.h" -#include "command.h" - -bool command_extra(uint8_t code) -{ - switch (code) { - case KC_H: - case KC_SLASH: /* ? */ - print("\n\n----- Sun converter Help -----\n"); - print("UP: Bell On\n"); - print("DOWN: Bell Off\n"); - print("LEFT: Click On\n"); - print("RIGHT: Click Off\n"); - return false; - case KC_UP: - print("Bell On\n"); - serial_send(0x02); - break; - case KC_DOWN: - print("Bell Off\n"); - serial_send(0x03); - break; - case KC_LEFT: - print("Click On\n"); - serial_send(0x0A); - break; - case KC_RIGHT: - print("Click Off\n"); - serial_send(0x0B); - break; - case KC_NUMLOCK: - print("layout\n"); - serial_send(0x0F); - break; - default: - return false; - } - return true; -} diff --git a/converter/pc98_usb/config.h b/converter/pc98_usb/config.h index 6ef2c6ac30..4f91c07ce4 100644 --- a/converter/pc98_usb/config.h +++ b/converter/pc98_usb/config.h @@ -27,30 +27,22 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* matrix size */ -#define MATRIX_ROWS 16 -#define MATRIX_COLS 8 +#define MATRIX_ROWS 16 +#define MATRIX_COLS 8 +/* To use new keymap framework */ +#define USE_KEYMAP_V2 /* 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)) \ +#define IS_COMMAND() ( \ + host_get_first_key() == KC_CANCEL \ ) -/* PC98 Serial(USART) configuration - * asynchronous, positive logic, 19200baud, bit order: LSB first - * 1-start bit, 8-data bit, odd parity, 1-stop bit - */ -#define SERIAL_BAUD 19200 -#define SERIAL_PARITY_ODD -#define SERIAL_BIT_ORDER_LSB - -/* PC98 Reset Port */ +/* PC98 Reset Port shared with TXD */ #define PC98_RST_DDR DDRD #define PC98_RST_PORT PORTD -#define PC98_RST_BIT 1 +#define PC98_RST_BIT 3 /* PC98 Ready Port */ #define PC98_RDY_DDR DDRD #define PC98_RDY_PORT PORTD @@ -60,41 +52,75 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define PC98_RTY_PORT PORTD #define PC98_RTY_BIT 5 +/* + * PC98 Serial(USART) configuration + * asynchronous, positive logic, 19200baud, bit order: LSB first + * 1-start bit, 8-data bit, odd parity, 1-stop bit + */ +/* + * Software Serial + */ +#define SERIAL_SOFT_BAUD 19200 +#define SERIAL_SOFT_PARITY_ODD +#define SERIAL_SOFT_BIT_ORDER_LSB +#define SERIAL_SOFT_LOGIC_POSITIVE /* RXD Port */ -#define SERIAL_RXD_DDR DDRD -#define SERIAL_RXD_PORT PORTD -#define SERIAL_RXD_PIN PIND -#define SERIAL_RXD_BIT 2 -#define SERIAL_RXD_READ() (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) +#define SERIAL_SOFT_RXD_DDR DDRD +#define SERIAL_SOFT_RXD_PORT PORTD +#define SERIAL_SOFT_RXD_PIN PIND +#define SERIAL_SOFT_RXD_BIT 2 +#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT)) /* RXD Interupt */ -#define SERIAL_RXD_VECT INT2_vect -#define SERIAL_RXD_INIT() do { \ +#define SERIAL_SOFT_RXD_VECT INT2_vect +#define SERIAL_SOFT_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(falling edge) */ \ - EICRA |= ((1<<ISC21)|(0<<ISC20)); \ - EIMSK |= (1<<INT2); \ + SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \ + SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \ + /* enable interrupt: INT2(falling edge) */ \ + EICRA |= ((1<<ISC21)|(0<<ISC20)); \ + EIMSK |= (1<<INT2); \ + sei(); \ } while (0) -#define SERIAL_RXD_INT_ENTER() -#define SERIAL_RXD_INT_EXIT() do { \ - /* clear interrupt flag */ \ - EIFR = (1<<INTF2); \ +#define SERIAL_SOFT_RXD_INT_ENTER() +#define SERIAL_SOFT_RXD_INT_EXIT() do { \ + /* clear interrupt flag */ \ + EIFR = (1<<INTF2); \ } while (0) - -/* TXD Port: Not used */ -#define SERIAL_TXD_DDR DDRD -#define SERIAL_TXD_PORT PORTD -#define SERIAL_TXD_PIN PIND -#define SERIAL_TXD_BIT 3 -/* negative logic */ -#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) -#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0) -#define SERIAL_TXD_INIT() do { \ - /* pin configuration: output */ \ - SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ - /* idle */ \ - SERIAL_TXD_ON(); \ +/* TXD Port */ +#define SERIAL_SOFT_TXD_DDR DDRD +#define SERIAL_SOFT_TXD_PORT PORTD +#define SERIAL_SOFT_TXD_PIN PIND +#define SERIAL_SOFT_TXD_BIT 3 +#define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0) +#define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0) +#define SERIAL_SOFT_TXD_INIT() do { \ + /* pin configuration: output */ \ + SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \ + /* idle */ \ + SERIAL_SOFT_TXD_ON(); \ } while (0) + +/* + * Hardware Serial(UART) + */ +#ifdef __AVR_ATmega32U4__ + #define SERIAL_UART_BAUD 19200 + #define SERIAL_UART_DATA UDR1 + #define SERIAL_UART_UBRR ((F_CPU/(16UL*SERIAL_UART_BAUD))-1) + #define SERIAL_UART_RXD_VECT USART1_RX_vect + #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1)) + #define SERIAL_UART_INIT() do { \ + UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \ + UBRR1H = (uint8_t) (SERIAL_UART_UBRR>>8); /* baud rate */ \ + UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \ + UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \ + UCSR1C |= (1<<UPM11) | (1<<UPM10); /* parity: none(00), even(01), odd(11) */ \ + sei(); \ + } while(0) +#else + #error "USART configuration is needed." +#endif + + #endif diff --git a/converter/pc98_usb/keymap.c b/converter/pc98_usb/keymap.c index 1e2dd03d51..6bc549b05c 100644 --- a/converter/pc98_usb/keymap.c +++ b/converter/pc98_usb/keymap.c @@ -19,6 +19,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include <stdbool.h> #include <avr/pgmspace.h> #include "keycode.h" +#include "action.h" +#include "action_macro.h" +#include "layer_switch.h" #include "util.h" #include "keymap.h" @@ -33,7 +36,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | 00| 01| 02| 03| 04| 05| 58| 71| 06| 07| 08| 09| 0A| 0E| |---------------------------------------------------------------| | 0F| 10| 11| 12| 13| 14| 3A | 15| 16| 17| 18| 19| 1C| - |---------------------------------------------------------------| + |---------------------------------------------------------'. | | 74| 20| 21| 22| 23| 24| 3B | 3C | 25| 26| 27| 28| 29| | |---------------------------------------------------------------| | 70| 2A| 2B| 2C| 2D| 2E| 38| 3D | 39| 2F| 30| 31| 32| 33| 70| @@ -70,33 +73,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. - -// 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] = { /* ,---------------------------------------------------------------. @@ -115,73 +91,80 @@ static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { `-----------------------------------------------' */ KEYMAP( - PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, + CANCEL,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, ESC, 1, 2, 3, 4, 5, NO, NO, 6, 7, 8, 9, 0, BSPC, TAB, Q, W, E, R, T, UP, Y, U, I, O, P, ENT, - LCTL, A, S, D, F, G, MINS, EQL, H, J, K, L,SCLN, - LSFT, Z, X, C, V, B, INS, DOWN, DEL, N, M,COMM, DOT,SLSH, + LCTL, A, S, D, F, G, MINS, EQL, H, J, K, L, FN2, + LSFT, Z, X, C, V, B, INS, DOWN, DEL, N, M,COMM, DOT, FN1, + LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT + ), + KEYMAP( + PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, + GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL, + TAB, Q, W, E, R, T, UP, HOME,PGDN,PGUP, END, P, ENT, + LCTL, A, S, D, F, G, MINS, EQL, LEFT,DOWN, UP,RGHT,SCLN, + LSFT, Z, X, C, V, B, INS, DOWN, DEL,HOME,PGDN,PGUP, END,TRNS, + LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT + ), + KEYMAP( + PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, + GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL, + TAB, Q, W, E, R, T, UP, WH_L,WH_D,WH_U,WH_R, P, ENT, + LCTL, A, S, D, F, G, MINS, EQL, MS_L,MS_D,MS_U,MS_R,TRNS, + LSFT, Z, X, C, V, B, INS, DOWN, BTN3,BTN2,BTN1,BTN4,BTN5,TRNS, LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT ), }; +static const uint8_t PROGMEM overlays[][MATRIX_ROWS][MATRIX_COLS] = {}; + +static const uint16_t PROGMEM fn_actions[] = { + ACTION_KEYMAP_TAP_TOGGLE(0), // FN0 + ACTION_KEYMAP_TAP_KEY(1, KC_SLASH), // FN1 + ACTION_KEYMAP_TAP_KEY(2, KC_SCLN), // FN2 + ACTION_KEYMAP(2), // FN3 +}; -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) +/* + * No need to edit. + */ +#define KEYMAPS_SIZE (sizeof(keymaps) / sizeof(keymaps[0])) +#define OVERLAYS_SIZE (sizeof(overlays) / sizeof(overlays[0])) +#define FN_ACTIONS_SIZE (sizeof(fn_actions) / sizeof(fn_actions[0])) + +/* translates key to keycode */ +uint8_t keymap_key_to_keycode(uint8_t layer, key_t key) { - return pgm_read_byte(&fn_keycode[index]); + /* Overlay: 16-31(OVERLAY_BIT(0x10) | overlay_layer) */ + if (layer & OVERLAY_BIT) { + layer &= OVERLAY_MASK; + if (layer < OVERLAYS_SIZE) { + return pgm_read_byte(&overlays[(layer)][(key.row)][(key.col)]); + } else { + return KC_TRANSPARENT; + } + } + /* Keymap: 0-15 */ + else { + if (layer < KEYMAPS_SIZE) { + return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]); + } else { + // fall back to layer 0 + return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]); + } + } } - -#if 0 -/* PC-9801-98-S02 Raku Raku keyboard(Luckyboard) M-siki mode - ,---------------------------------------------------------------. - | 60| 61| 62| 63| 64| 65| 66| 67| 68| 69| 6A| 6B| 36| 37| 3F| 3E| - `---------------------------------------------------------------' - ,---------------------------------------------------------------. - | 00| 01| 02| 03| 04| 05| NUM|CAPS| 06| 07| 08| 09| 0A| 0E| - |---------------------------------------------------------------| - | 0F| 10| 25| 20| 23| 2B| 3A | 2F| 15| 13| 11| 19| 1C| - |---------------------------------------------------------------| - | 74| 12| 16| 17| 1D| 18| 3B | 3C | 24| 1E| 14| 2E| 22| | - |---------------------------------------------------------------| - | 70| xx| 2A| 2C| xx| xx| 38| 3D | 39| 21| 29| 1F| xx| 2D| 70| - `---------------------------------------------------------------' - | 73| 51| xx| xx| 34| xx| 35| xx| - `-----------------------------------------------' -*/ - -#define KEYMAP_M( \ - K60, K61, K62, K63, K64, K65, K66, K67, K68, K69, K6A, K6B, K36, K37, K3F, K3E, \ - K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0E, \ - K0F, K10, K25, K23, K20, K2B, K3A, K2F, K15, K13, K11, K19, K1C, \ - K74, K12, K16, K17, K1D, K18, K3B, K3C, K24, K1E, K14, K2E, K22, \ - K70, K2A, K2C, K38, K3D, K39, K21, K29, K1F, K2D, \ - K73, K51, K34, K35 \ -) { \ - { KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07 }, \ - { KC_##K08, KC_##K09, KC_##K0A, KC_NO, KC_NO, KC_NO, KC_##K0E, KC_##K0F }, \ - { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17 }, \ - { KC_##K18, KC_##K19, KC_NO, KC_NO, KC_##K1C, KC_##K1D, KC_##K1E, KC_##K1F }, \ - { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_NO, KC_NO }, \ - { KC_NO, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D, KC_##K2E, KC_##K2F }, \ - { KC_NO, KC_NO, KC_NO, KC_NO, 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_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ - { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ - { KC_NO, KC_##K51, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ - { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \ - { 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_NO, KC_NO, KC_NO, KC_NO }, \ - { KC_##K70, KC_NO, KC_NO, KC_##K73, KC_##K74, KC_NO, KC_NO, KC_NO }, \ - { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO } \ +/* translates Fn keycode to action */ +action_t keymap_fn_to_action(uint8_t keycode) +{ + action_t action; + if (FN_INDEX(keycode) < FN_ACTIONS_SIZE) { + action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]); + } else { + action.code = ACTION_NO; + } + return action; } -#endif diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c index 2f1e821c5d..d03aaf10d1 100644 --- a/converter/pc98_usb/matrix.c +++ b/converter/pc98_usb/matrix.c @@ -61,11 +61,41 @@ uint8_t matrix_cols(void) return MATRIX_COLS; } +static void pc98_inhibit_repeat(void) +{ + uint8_t code; + + while (serial_recv()) ; +RETRY: + PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + _delay_ms(500); + serial_send(0x9C); + + PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); + _delay_ms(100); + while (!(code = serial_recv())) ; + print("PC98: send 9C: "); print_hex8(code); print("\n"); + if (code != 0xFA) goto RETRY; + + + + PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + _delay_ms(100); + serial_send(0x70); + + PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); + _delay_ms(100); + //code = serial_recv(); + while (!(code = serial_recv())) ; + print("PC98: send 70: "); print_hex8(code); print("\n"); + if (code != 0xFA) goto RETRY; +} + void matrix_init(void) { print_enable = true; - debug_enable = true; - //debug_matrix = true; +// debug_enable = true; +// debug_matrix = true; PC98_RST_DDR |= (1<<PC98_RST_BIT); PC98_RDY_DDR |= (1<<PC98_RDY_BIT); @@ -74,17 +104,21 @@ void matrix_init(void) PC98_RDY_PORT |= (1<<PC98_RDY_BIT); PC98_RTY_PORT |= (1<<PC98_RTY_BIT); - DDRD |= 1<<7; - serial_init(); // PC98 reset +/* PC98_RST_PORT &= ~(1<<PC98_RST_BIT); _delay_us(15); PC98_RST_PORT |= (1<<PC98_RST_BIT); _delay_us(13); - PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); +*/ + + _delay_ms(500); + pc98_inhibit_repeat(); + // PC98 ready PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); @@ -107,7 +141,20 @@ uint8_t matrix_scan(void) PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); if (code == -1) return 0; - debug_hex(code); debug(" "); +if (code == 0x60) { + pc98_inhibit_repeat(); + +/* + PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + _delay_ms(100); + serial_send(0x96); + PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); +*/ + + return 0; +} + + print_hex8(code); print(" "); if (code&0x80) { // break code diff --git a/converter/sun_usb/config.h b/converter/sun_usb/config.h index b4f0ff977a..65ce9daf61 100644 --- a/converter/sun_usb/config.h +++ b/converter/sun_usb/config.h @@ -43,40 +43,46 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. * asynchronous, negative logic, 1200baud, no flow control * 1-start bit, 8-data bit, non parity, 1-stop bit */ -#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 { \ +#define SERIAL_SOFT_BAUD 1200 +#define SERIAL_SOFT_PARITY_NONE +#define SERIAL_SOFT_BIT_ORDER_LSB +#define SERIAL_SOFT_LOGIC_NEGATIVE +/* RXD Port */ +#define SERIAL_SOFT_RXD_ENABLE +#define SERIAL_SOFT_RXD_DDR DDRD +#define SERIAL_SOFT_RXD_PORT PORTD +#define SERIAL_SOFT_RXD_PIN PIND +#define SERIAL_SOFT_RXD_BIT 2 +#define SERIAL_SOFT_RXD_VECT INT2_vect +/* RXD Interupt */ +#define SERIAL_SOFT_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); \ + SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \ + SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \ + /* enable interrupt: INT2(rising edge) */ \ + EICRA |= ((1<<ISC21)|(1<<ISC20)); \ + EIMSK |= (1<<INT2); \ + sei(); \ } while (0) -#define SERIAL_RXD_INT_ENTER() -#define SERIAL_RXD_INT_EXIT() do { \ - /* clear interrupt flag */ \ - EIFR = (1<<INTF2); \ +#define SERIAL_SOFT_RXD_INT_ENTER() +#define SERIAL_SOFT_RXD_INT_EXIT() do { \ + /* clear interrupt flag */ \ + EIFR = (1<<INTF2); \ } while (0) -#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) - -#define SERIAL_TXD_DDR DDRD -#define SERIAL_TXD_PORT PORTD -#define SERIAL_TXD_PIN PIND -#define SERIAL_TXD_BIT 3 -/* negative logic */ -#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) -#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0) -#define SERIAL_TXD_INIT() do { \ - /* pin configuration: output */ \ - SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ - /* idle */ \ - SERIAL_TXD_ON(); \ +#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT)) +/* TXD Port */ +#define SERIAL_SOFT_TXD_ENABLE +#define SERIAL_SOFT_TXD_DDR DDRD +#define SERIAL_SOFT_TXD_PORT PORTD +#define SERIAL_SOFT_TXD_PIN PIND +#define SERIAL_SOFT_TXD_BIT 3 +#define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0) +#define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0) +#define SERIAL_SOFT_TXD_INIT() do { \ + /* pin configuration: output */ \ + SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \ + /* idle */ \ + SERIAL_SOFT_TXD_ON(); \ } while (0) #endif diff --git a/protocol/serial_soft.c b/protocol/serial_soft.c index 3c9c914ed6..e8870bcd79 100644 --- a/protocol/serial_soft.c +++ b/protocol/serial_soft.c @@ -43,12 +43,32 @@ POSSIBILITY OF SUCH DAMAGE. /* * Stupid Inefficient Busy-wait Software Serial - * is still useful for negative logic signal like Sun protocol not supported by hardware USART. + * which is still useful for negative logic signal like Sun protocol + * if it is not supported by hardware UART. + * + * TODO: delay is not accurate enough. Instruction cycle should be counted and inline assemby is needed. */ -#define WAIT_US (1000000/SERIAL_BAUD) +#define WAIT_US (1000000L/SERIAL_SOFT_BAUD) + +#ifdef SERIAL_SOFT_LOGIC_NEGATIVE + #define SERIAL_SOFT_RXD_IN() !(SERIAL_SOFT_RXD_READ()) + #define SERIAL_SOFT_TXD_ON() SERIAL_SOFT_TXD_LO() + #define SERIAL_SOFT_TXD_OFF() SERIAL_SOFT_TXD_HI() +#else + #define SERIAL_SOFT_RXD_IN() !!(SERIAL_SOFT_RXD_READ()) + #define SERIAL_SOFT_TXD_ON() SERIAL_SOFT_TXD_HI() + #define SERIAL_SOFT_TXD_OFF() SERIAL_SOFT_TXD_LO() +#endif + +#ifdef SERIAL_SOFT_PARITY_EVEN + #define SERIAL_SOFT_PARITY_VAL 0 +#elif defined(SERIAL_SOFT_PARITY_ODD) + #define SERIAL_SOFT_PARITY_VAL 1 +#endif /* debug for signal timing, see debug pin with oscilloscope */ +#define SERIAL_SOFT_DEBUG #ifdef SERIAL_SOFT_DEBUG #define SERIAL_SOFT_DEBUG_INIT() (DDRD |= 1<<7) #define SERIAL_SOFT_DEBUG_TGL() (PORTD ^= 1<<7) @@ -62,8 +82,8 @@ void serial_init(void) { SERIAL_SOFT_DEBUG_INIT(); - SERIAL_RXD_INIT(); - SERIAL_TXD_INIT(); + SERIAL_SOFT_RXD_INIT(); + SERIAL_SOFT_TXD_INIT(); } /* RX ring buffer */ @@ -100,85 +120,98 @@ int16_t serial_recv2(void) void serial_send(uint8_t data) { /* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */ - /* start bit */ - SERIAL_TXD_OFF(); - _delay_us(WAIT_US); -#ifdef SERIAL_BIT_ORDER_MSB +#ifdef SERIAL_SOFT_BIT_ORDER_MSB uint8_t mask = 0x80; #else uint8_t mask = 0x01; #endif + + uint8_t parity = 0; + + /* start bit */ + SERIAL_SOFT_TXD_OFF(); + _delay_us(WAIT_US); + while (mask) { - if (data&mask) { SERIAL_TXD_ON(); } else { SERIAL_TXD_OFF(); } + if (data&mask) { + SERIAL_SOFT_TXD_ON(); + parity ^= 1; + } else { + SERIAL_SOFT_TXD_OFF(); + } _delay_us(WAIT_US); -#ifdef SERIAL_BIT_ORDER_MSB +#ifdef SERIAL_SOFT_BIT_ORDER_MSB mask >>= 1; #else mask <<= 1; #endif } +#if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD) + /* to center of parity bit */ + if (parity != SERIAL_SOFT_PARITY_VAL) { + SERIAL_SOFT_TXD_ON(); + } else { + SERIAL_SOFT_TXD_OFF(); + } + _delay_us(WAIT_US); +#endif + /* stop bit */ - SERIAL_TXD_ON(); + SERIAL_SOFT_TXD_ON(); _delay_us(WAIT_US); } /* detect edge of start bit */ -ISR(SERIAL_RXD_VECT) +ISR(SERIAL_SOFT_RXD_VECT) { - SERIAL_SOFT_DEBUG_TGL() - SERIAL_RXD_INT_ENTER() + SERIAL_SOFT_DEBUG_TGL(); + SERIAL_SOFT_RXD_INT_ENTER() uint8_t data = 0; -#ifdef SERIAL_BIT_ORDER_MSB +#ifdef SERIAL_SOFT_BIT_ORDER_MSB uint8_t mask = 0x80; #else uint8_t mask = 0x01; #endif -#ifdef SERIAL_PARITY_ODD uint8_t parity = 0; -#elif defined(SERIAL_PARITY_EVEN) - uint8_t parity = 1; -#endif /* to center of start bit */ _delay_us(WAIT_US/2); - SERIAL_SOFT_DEBUG_TGL() + SERIAL_SOFT_DEBUG_TGL(); do { /* to center of next bit */ _delay_us(WAIT_US); - SERIAL_SOFT_DEBUG_TGL() - if (SERIAL_RXD_READ()) { + SERIAL_SOFT_DEBUG_TGL(); + if (SERIAL_SOFT_RXD_IN()) { data |= mask; -#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) parity ^= 1; -#endif } -#ifdef SERIAL_BIT_ORDER_MSB +#ifdef SERIAL_SOFT_BIT_ORDER_MSB mask >>= 1; #else mask <<= 1; #endif } while (mask); -#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) +#if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD) /* to center of parity bit */ _delay_us(WAIT_US); - if (SERIAL_RXD_READ()) { parity ^= 1; } - SERIAL_SOFT_DEBUG_TGL() + if (SERIAL_SOFT_RXD_IN()) { parity ^= 1; } + SERIAL_SOFT_DEBUG_TGL(); #endif /* to center of stop bit */ _delay_us(WAIT_US); uint8_t next = (rbuf_head + 1) % RBUF_SIZE; -#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) - if (parity && next != rbuf_tail) { +#if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD) + if ((parity == SERIAL_SOFT_PARITY_VAL) && next != rbuf_tail) { #else if (next != rbuf_tail) { #endif @@ -186,6 +219,6 @@ ISR(SERIAL_RXD_VECT) rbuf_head = next; } - SERIAL_RXD_INT_EXIT(); - SERIAL_SOFT_DEBUG_TGL() + SERIAL_SOFT_RXD_INT_EXIT(); + SERIAL_SOFT_DEBUG_TGL(); } diff --git a/protocol/serial_uart.c b/protocol/serial_uart.c new file mode 100644 index 0000000000..6c0af88175 --- /dev/null +++ b/protocol/serial_uart.c @@ -0,0 +1,93 @@ +/* +Copyright 2013 Jun WAKO <wakojun@gmail.com> + +This software is licensed with a Modified BSD License. +All of this is supposed to be Free Software, Open Source, DFSG-free, +GPL-compatible, and OK to use in both free and proprietary applications. +Additions and corrections to this file are welcome. + + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +* Neither the name of the copyright holders nor the names of + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdbool.h> +#include <avr/io.h> +#include <avr/interrupt.h> +#include "serial.h" + + +void serial_init(void) +{ + SERIAL_UART_INIT(); +} + +// RX ring buffer +#define RBUF_SIZE 8 +static uint8_t rbuf[RBUF_SIZE]; +static uint8_t rbuf_head = 0; +static uint8_t rbuf_tail = 0; + +uint8_t serial_recv(void) +{ + uint8_t data = 0; + if (rbuf_head == rbuf_tail) { + return 0; + } + + data = rbuf[rbuf_tail]; + rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; + return data; +} + +int16_t serial_recv2(void) +{ + uint8_t data = 0; + if (rbuf_head == rbuf_tail) { + return -1; + } + + data = rbuf[rbuf_tail]; + rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; + return data; +} + +void serial_send(uint8_t data) +{ + while (!SERIAL_UART_TXD_READY) ; + SERIAL_UART_DATA = data; +} + +// USART RX complete interrupt +ISR(SERIAL_UART_RXD_VECT) +{ + uint8_t next = (rbuf_head + 1) % RBUF_SIZE; + if (next != rbuf_tail) { + rbuf[rbuf_head] = SERIAL_UART_DATA; + rbuf_head = next; + } +} |