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https://github.com/openstenoproject/qmk
synced 2024-11-23 08:54:38 +00:00
Add serial_uart.c and use it for PC98
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parent
90e6ff92f4
commit
ea1ede83c3
5 changed files with 174 additions and 92 deletions
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@ -11,8 +11,8 @@ TARGET_DIR = .
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SRC = keymap.c \
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matrix.c \
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led.c \
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command_extra.c \
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protocol/serial_soft.c
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protocol/serial_uart.c
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# protocol/serial_soft.c
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CONFIG_H = config.h
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@ -1,43 +0,0 @@
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#include "stdbool.h"
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#include "stdint.h"
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#include "keycode.h"
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#include "serial.h"
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#include "print.h"
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#include "command.h"
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bool command_extra(uint8_t code)
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{
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switch (code) {
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case KC_H:
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case KC_SLASH: /* ? */
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print("\n\n----- Sun converter Help -----\n");
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print("UP: Bell On\n");
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print("DOWN: Bell Off\n");
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print("LEFT: Click On\n");
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print("RIGHT: Click Off\n");
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return false;
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case KC_UP:
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print("Bell On\n");
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serial_send(0x02);
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break;
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case KC_DOWN:
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print("Bell Off\n");
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serial_send(0x03);
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break;
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case KC_LEFT:
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print("Click On\n");
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serial_send(0x0A);
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break;
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case KC_RIGHT:
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print("Click Off\n");
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serial_send(0x0B);
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break;
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case KC_NUMLOCK:
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print("layout\n");
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serial_send(0x0F);
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break;
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default:
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return false;
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}
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return true;
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}
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@ -27,27 +27,18 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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/* matrix size */
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#define MATRIX_ROWS 16
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#define MATRIX_COLS 8
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#define MATRIX_ROWS 16
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#define MATRIX_COLS 8
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/* To use new keymap framework */
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#define USE_KEYMAP_V2
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/* key combination for command */
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#define IS_COMMAND() ( \
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#define IS_COMMAND() ( \
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host_get_first_key() == KC_CANCEL \
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)
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/* PC98 Serial(USART) configuration
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* asynchronous, positive logic, 19200baud, bit order: LSB first
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* 1-start bit, 8-data bit, odd parity, 1-stop bit
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*/
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#define SERIAL_BAUD 19200
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#define SERIAL_PARITY_ODD
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#define SERIAL_BIT_ORDER_LSB
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#define SERIAL_LOGIC_POSITIVE
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/* PC98 Reset Port shared with TXD */
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#define PC98_RST_DDR DDRD
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#define PC98_RST_PORT PORTD
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@ -61,50 +52,92 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define PC98_RTY_PORT PORTD
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#define PC98_RTY_BIT 5
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/*
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* PC98 Serial(USART) configuration
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* asynchronous, positive logic, 19200baud, bit order: LSB first
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* 1-start bit, 8-data bit, odd parity, 1-stop bit
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*/
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/*
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* Software Serial
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*/
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#define SERIAL_SOFT_BAUD 19200
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#define SERIAL_SOFT_PARITY_ODD
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#define SERIAL_SOFT_BIT_ORDER_LSB
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#define SERIAL_SOFT_LOGIC_POSITIVE
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/* RXD Port */
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#define SERIAL_RXD_DDR DDRD
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#define SERIAL_RXD_PORT PORTD
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#define SERIAL_RXD_PIN PIND
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#define SERIAL_RXD_BIT 2
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#ifdef SERIAL_LOGIC_NEGATIVE
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#define SERIAL_RXD_READ() ~(SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT))
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#define SERIAL_SOFT_RXD_DDR DDRD
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#define SERIAL_SOFT_RXD_PORT PORTD
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#define SERIAL_SOFT_RXD_PIN PIND
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#define SERIAL_SOFT_RXD_BIT 2
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#ifdef SERIAL_SOFT_LOGIC_NEGATIVE
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#define SERIAL_SOFT_RXD_READ() ~(SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
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#else
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#define SERIAL_RXD_READ() (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT))
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#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
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#endif
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/* RXD Interupt */
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#define SERIAL_RXD_VECT INT2_vect
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#define SERIAL_RXD_INIT() do { \
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#define SERIAL_SOFT_RXD_VECT INT2_vect
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#define SERIAL_SOFT_RXD_INIT() do { \
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/* pin configuration: input with pull-up */ \
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SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \
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SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \
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/* enable interrupt: INT2(falling edge) */ \
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EICRA |= ((1<<ISC21)|(0<<ISC20)); \
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EIMSK |= (1<<INT2); \
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sei(); \
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SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
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SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
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/* enable interrupt: INT2(falling edge) */ \
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EICRA |= ((1<<ISC21)|(0<<ISC20)); \
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EIMSK |= (1<<INT2); \
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sei(); \
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} while (0)
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#define SERIAL_RXD_INT_ENTER()
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#define SERIAL_RXD_INT_EXIT() do { \
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/* clear interrupt flag */ \
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EIFR = (1<<INTF2); \
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#define SERIAL_SOFT_RXD_INT_ENTER()
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#define SERIAL_SOFT_RXD_INT_EXIT() do { \
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/* clear interrupt flag */ \
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EIFR = (1<<INTF2); \
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} while (0)
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/* TXD Port */
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#define SERIAL_TXD_DDR DDRD
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#define SERIAL_TXD_PORT PORTD
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#define SERIAL_TXD_PIN PIND
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#define SERIAL_TXD_BIT 3
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#ifdef SERIAL_LOGIC_NEGATIVE
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#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0)
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#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0)
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#define SERIAL_SOFT_TXD_DDR DDRD
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#define SERIAL_SOFT_TXD_PORT PORTD
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#define SERIAL_SOFT_TXD_PIN PIND
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#define SERIAL_SOFT_TXD_BIT 3
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#ifdef SERIAL_SOFT_LOGIC_NEGATIVE
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#define SERIAL_SOFT_TXD_ON() do { \
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SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); \
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} while (0)
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#define SERIAL_SOFT_TXD_OFF() do { \
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SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); \
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} while (0)
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#else
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#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0)
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#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0)
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#define SERIAL_SOFT_TXD_ON() do { \
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SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); \
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} while (0)
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#define SERIAL_SOFT_TXD_OFF() do { \
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SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); \
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} while (0)
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#endif
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#define SERIAL_TXD_INIT() do { \
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/* pin configuration: output */ \
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SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \
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/* idle */ \
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SERIAL_TXD_ON(); \
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#define SERIAL_SOFT_TXD_INIT() do { \
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/* pin configuration: output */ \
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SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
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/* idle */ \
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SERIAL_SOFT_TXD_ON(); \
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} while (0)
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/*
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* Hardware Serial(UART)
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*/
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#ifdef __AVR_ATmega32U4__
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#define SERIAL_UART_BAUD 19200
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#define SERIAL_UART_DATA UDR1
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#define SERIAL_UART_UBRR ((F_CPU/(16UL*SERIAL_UART_BAUD))-1)
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#define SERIAL_UART_RXD_VECT USART1_RX_vect
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#define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1))
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#define SERIAL_UART_INIT() do { \
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UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \
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UBRR1H = (uint8_t) (SERIAL_UART_UBRR>>8); /* baud rate */ \
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UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
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UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
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UCSR1C |= (1<<UPM11) | (1<<UPM10); /* parity: none(00), even(01), odd(11) */ \
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sei(); \
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} while(0)
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#else
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#error "USART configuration is needed."
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#endif
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#endif
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@ -89,7 +89,6 @@ RETRY:
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while (!(code = serial_recv())) ;
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print("PC98: send 70: "); print_hex8(code); print("\n");
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if (code != 0xFA) goto RETRY;
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}
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void matrix_init(void)
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93
protocol/serial_uart.c
Normal file
93
protocol/serial_uart.c
Normal file
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@ -0,0 +1,93 @@
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/*
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Copyright 2013 Jun WAKO <wakojun@gmail.com>
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This software is licensed with a Modified BSD License.
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All of this is supposed to be Free Software, Open Source, DFSG-free,
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GPL-compatible, and OK to use in both free and proprietary applications.
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Additions and corrections to this file are welcome.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include "serial.h"
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void serial_init(void)
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{
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SERIAL_UART_INIT();
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}
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// RX ring buffer
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#define RBUF_SIZE 8
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static uint8_t rbuf[RBUF_SIZE];
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static uint8_t rbuf_head = 0;
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static uint8_t rbuf_tail = 0;
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uint8_t serial_recv(void)
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{
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uint8_t data = 0;
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if (rbuf_head == rbuf_tail) {
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return 0;
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}
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data = rbuf[rbuf_tail];
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rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
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return data;
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}
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int16_t serial_recv2(void)
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{
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uint8_t data = 0;
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if (rbuf_head == rbuf_tail) {
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return -1;
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}
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data = rbuf[rbuf_tail];
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rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
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return data;
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}
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void serial_send(uint8_t data)
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{
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while (!SERIAL_UART_TXD_READY) ;
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SERIAL_UART_DATA = data;
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}
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// USART RX complete interrupt
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ISR(SERIAL_UART_RXD_VECT)
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{
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uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
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if (next != rbuf_tail) {
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rbuf[rbuf_head] = SERIAL_UART_DATA;
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rbuf_head = next;
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}
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}
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