-#include <util/twi.h>\r
-#include <avr/io.h>\r
-#include <stdlib.h>\r
-#include <avr/interrupt.h>\r
-#include <util/twi.h>\r
-#include <stdbool.h>\r
-#include "i2c.h"\r
-\r
-#ifdef USE_I2C\r
-\r
-// Limits the amount of we wait for any one i2c transaction.\r
-// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is\r
-// 9 bits, a single transaction will take around 90μs to complete.\r
-//\r
-// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit\r
-// poll loop takes at least 8 clock cycles to execute\r
-#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8\r
-\r
-#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)\r
-\r
-volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];\r
-\r
-static volatile uint8_t slave_buffer_pos;\r
-static volatile bool slave_has_register_set = false;\r
-\r
-// Wait for an i2c operation to finish\r
-inline static\r
-void i2c_delay(void) {\r
- uint16_t lim = 0;\r
- while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)\r
- lim++;\r
-\r
- // easier way, but will wait slightly longer\r
- // _delay_us(100);\r
-}\r
-\r
-// Setup twi to run at 100kHz\r
-void i2c_master_init(void) {\r
- // no prescaler\r
- TWSR = 0;\r
- // Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.\r
- // Check datasheets for more info.\r
- TWBR = ((F_CPU/SCL_CLOCK)-16)/2;\r
-}\r
-\r
-// Start a transaction with the given i2c slave address. The direction of the\r
-// transfer is set with I2C_READ and I2C_WRITE.\r
-// returns: 0 => success\r
-// 1 => error\r
-uint8_t i2c_master_start(uint8_t address) {\r
- TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);\r
-\r
- i2c_delay();\r
-\r
- // check that we started successfully\r
- if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))\r
- return 1;\r
-\r
- TWDR = address;\r
- TWCR = (1<<TWINT) | (1<<TWEN);\r
-\r
- i2c_delay();\r
-\r
- if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )\r
- return 1; // slave did not acknowledge\r
- else\r
- return 0; // success\r
-}\r
-\r
-\r
-// Finish the i2c transaction.\r
-void i2c_master_stop(void) {\r
- TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);\r
-\r
- uint16_t lim = 0;\r
- while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)\r
- lim++;\r
-}\r
-\r
-// Write one byte to the i2c slave.\r
-// returns 0 => slave ACK\r
-// 1 => slave NACK\r
-uint8_t i2c_master_write(uint8_t data) {\r
- TWDR = data;\r
- TWCR = (1<<TWINT) | (1<<TWEN);\r
-\r
- i2c_delay();\r
-\r
- // check if the slave acknowledged us\r
- return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;\r
-}\r
-\r
-// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,\r
-// if ack=0 the acknowledge bit is not set.\r
-// returns: byte read from i2c device\r
-uint8_t i2c_master_read(int ack) {\r
- TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);\r
-\r
- i2c_delay();\r
- return TWDR;\r
-}\r
-\r
-void i2c_reset_state(void) {\r
- TWCR = 0;\r
-}\r
-\r
-void i2c_slave_init(uint8_t address) {\r
- TWAR = address << 0; // slave i2c address\r
- // TWEN - twi enable\r
- // TWEA - enable address acknowledgement\r
- // TWINT - twi interrupt flag\r
- // TWIE - enable the twi interrupt\r
- TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);\r
-}\r
-\r
-ISR(TWI_vect);\r
-\r
-ISR(TWI_vect) {\r
- uint8_t ack = 1;\r
- switch(TW_STATUS) {\r
- case TW_SR_SLA_ACK:\r
- // this device has been addressed as a slave receiver\r
- slave_has_register_set = false;\r
- break;\r
-\r
- case TW_SR_DATA_ACK:\r
- // this device has received data as a slave receiver\r
- // The first byte that we receive in this transaction sets the location\r
- // of the read/write location of the slaves memory that it exposes over\r
- // i2c. After that, bytes will be written at slave_buffer_pos, incrementing\r
- // slave_buffer_pos after each write.\r
- if(!slave_has_register_set) {\r
- slave_buffer_pos = TWDR;\r
- // don't acknowledge the master if this memory loctaion is out of bounds\r
- if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {\r
- ack = 0;\r
- slave_buffer_pos = 0;\r
- }\r
- slave_has_register_set = true;\r
- } else {\r
- i2c_slave_buffer[slave_buffer_pos] = TWDR;\r
- BUFFER_POS_INC();\r
- }\r
- break;\r
-\r
- case TW_ST_SLA_ACK:\r
- case TW_ST_DATA_ACK:\r
- // master has addressed this device as a slave transmitter and is\r
- // requesting data.\r
- TWDR = i2c_slave_buffer[slave_buffer_pos];\r
- BUFFER_POS_INC();\r
- break;\r
-\r
- case TW_BUS_ERROR: // something went wrong, reset twi state\r
- TWCR = 0;\r
- default:\r
- break;\r
- }\r
- // Reset everything, so we are ready for the next TWI interrupt\r
- TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);\r
-}\r
-#endif\r
+#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"
+
+#ifdef USE_I2C
+
+// 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);
+}
+#endif
-#ifndef I2C_H\r
-#define I2C_H\r
-\r
-#include <stdint.h>\r
-\r
-#ifndef F_CPU\r
-#define F_CPU 16000000UL\r
-#endif\r
-\r
-#define I2C_READ 1\r
-#define I2C_WRITE 0\r
-\r
-#define I2C_ACK 1\r
-#define I2C_NACK 0\r
-\r
-#define SLAVE_BUFFER_SIZE 0x10\r
-\r
-// i2c SCL clock frequency\r
-#define SCL_CLOCK 100000L\r
-\r
-extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];\r
-\r
-void i2c_master_init(void);\r
-uint8_t i2c_master_start(uint8_t address);\r
-void i2c_master_stop(void);\r
-uint8_t i2c_master_write(uint8_t data);\r
-uint8_t i2c_master_read(int);\r
-void i2c_reset_state(void);\r
-void i2c_slave_init(uint8_t address);\r
-\r
-#endif\r
+#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
-/*\r
-Copyright 2012 Jun Wako <wakojun@gmail.com>\r
-\r
-This program is free software: you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation, either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-This program is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with this program. If not, see <http://www.gnu.org/licenses/>.\r
-*/\r
-\r
-\r
-#define USE_SERIAL\r
-\r
-#define MASTER_LEFT\r
-// #define _MASTER_RIGHT\r
-// #define EE_HANDS\r
-\r
-\r
-#ifdef SUBPROJECT_v2\r
- #include "../../v2/config.h"\r
-#endif\r
-#ifdef SUBPROJECT_protosplit\r
- #include "../../protosplit/config.h"\r
-#endif\r
+/*
+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/>.
+*/
+
+
+#define USE_SERIAL
+
+#define MASTER_LEFT
+// #define _MASTER_RIGHT
+// #define EE_HANDS
+
+
+#ifdef SUBPROJECT_v2
+ #include "../../v2/config.h"
+#endif
+#ifdef SUBPROJECT_protosplit
+ #include "../../protosplit/config.h"
+#endif
-/*\r
-Copyright 2012 Jun Wako <wakojun@gmail.com>\r
-\r
-This program is free software: you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation, either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-This program is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with this program. If not, see <http://www.gnu.org/licenses/>.\r
-*/\r
-\r
-/*\r
- * scan matrix\r
- */\r
-#include <stdint.h>\r
-#include <stdbool.h>\r
-#include <avr/io.h>\r
-#include <avr/wdt.h>\r
-#include <avr/interrupt.h>\r
-#include <util/delay.h>\r
-#include "print.h"\r
-#include "debug.h"\r
-#include "util.h"\r
-#include "matrix.h"\r
-#include "split_util.h"\r
-#include "pro_micro.h"\r
-#include "config.h"\r
-\r
-#ifdef USE_I2C\r
-# include "i2c.h"\r
-#else // USE_SERIAL\r
-# include "serial.h"\r
-#endif\r
-\r
-#ifndef DEBOUNCE\r
-# define DEBOUNCE 5\r
-#endif\r
-\r
-#define ERROR_DISCONNECT_COUNT 5\r
-\r
-static uint8_t debouncing = DEBOUNCE;\r
-static const int ROWS_PER_HAND = MATRIX_ROWS/2;\r
-static uint8_t error_count = 0;\r
-\r
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;\r
-static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;\r
-\r
-/* matrix state(1:on, 0:off) */\r
-static matrix_row_t matrix[MATRIX_ROWS];\r
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];\r
-\r
-static matrix_row_t read_cols(void);\r
-static void init_cols(void);\r
-static void unselect_rows(void);\r
-static void select_row(uint8_t row);\r
-\r
-__attribute__ ((weak))\r
-void matrix_init_quantum(void) {\r
- matrix_init_kb();\r
-}\r
-\r
-__attribute__ ((weak))\r
-void matrix_scan_quantum(void) {\r
- matrix_scan_kb();\r
-}\r
-\r
-__attribute__ ((weak))\r
-void matrix_init_kb(void) {\r
- matrix_init_user();\r
-}\r
-\r
-__attribute__ ((weak))\r
-void matrix_scan_kb(void) {\r
- matrix_scan_user();\r
-}\r
-\r
-__attribute__ ((weak))\r
-void matrix_init_user(void) {\r
-}\r
-\r
-__attribute__ ((weak))\r
-void matrix_scan_user(void) {\r
-}\r
-\r
-inline\r
-uint8_t matrix_rows(void)\r
-{\r
- return MATRIX_ROWS;\r
-}\r
-\r
-inline\r
-uint8_t matrix_cols(void)\r
-{\r
- return MATRIX_COLS;\r
-}\r
-\r
-void matrix_init(void)\r
-{\r
- debug_enable = true;\r
- debug_matrix = true;\r
- debug_mouse = true;\r
- // initialize row and col\r
- unselect_rows();\r
- init_cols();\r
-\r
- TX_RX_LED_INIT;\r
-\r
- // initialize matrix state: all keys off\r
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {\r
- matrix[i] = 0;\r
- matrix_debouncing[i] = 0;\r
- }\r
-\r
- matrix_init_quantum();\r
-}\r
-\r
-uint8_t _matrix_scan(void)\r
-{\r
- // Right hand is stored after the left in the matirx so, we need to offset it\r
- int offset = isLeftHand ? 0 : (ROWS_PER_HAND);\r
-\r
- for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {\r
- select_row(i);\r
- _delay_us(30); // without this wait read unstable value.\r
- matrix_row_t cols = read_cols();\r
- if (matrix_debouncing[i+offset] != cols) {\r
- matrix_debouncing[i+offset] = cols;\r
- debouncing = DEBOUNCE;\r
- }\r
- unselect_rows();\r
- }\r
-\r
- if (debouncing) {\r
- if (--debouncing) {\r
- _delay_ms(1);\r
- } else {\r
- for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {\r
- matrix[i+offset] = matrix_debouncing[i+offset];\r
- }\r
- }\r
- }\r
-\r
- return 1;\r
-}\r
-\r
-#ifdef USE_I2C\r
-\r
-// Get rows from other half over i2c\r
-int i2c_transaction(void) {\r
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;\r
-\r
- int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);\r
- if (err) goto i2c_error;\r
-\r
- // start of matrix stored at 0x00\r
- err = i2c_master_write(0x00);\r
- if (err) goto i2c_error;\r
-\r
- // Start read\r
- err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);\r
- if (err) goto i2c_error;\r
-\r
- if (!err) {\r
- int i;\r
- for (i = 0; i < ROWS_PER_HAND-1; ++i) {\r
- matrix[slaveOffset+i] = i2c_master_read(I2C_ACK);\r
- }\r
- matrix[slaveOffset+i] = i2c_master_read(I2C_NACK);\r
- i2c_master_stop();\r
- } else {\r
-i2c_error: // the cable is disconnceted, or something else went wrong\r
- i2c_reset_state();\r
- return err;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-#else // USE_SERIAL\r
-\r
-int serial_transaction(void) {\r
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;\r
-\r
- if (serial_update_buffers()) {\r
- return 1;\r
- }\r
-\r
- for (int i = 0; i < ROWS_PER_HAND; ++i) {\r
- matrix[slaveOffset+i] = serial_slave_buffer[i];\r
- }\r
- return 0;\r
-}\r
-#endif\r
-\r
-uint8_t matrix_scan(void)\r
-{\r
- int ret = _matrix_scan();\r
-\r
-\r
-\r
-#ifdef USE_I2C\r
- if( i2c_transaction() ) {\r
-#else // USE_SERIAL\r
- if( serial_transaction() ) {\r
-#endif\r
- // turn on the indicator led when halves are disconnected\r
- TXLED1;\r
-\r
- error_count++;\r
-\r
- if (error_count > ERROR_DISCONNECT_COUNT) {\r
- // reset other half if disconnected\r
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;\r
- for (int i = 0; i < ROWS_PER_HAND; ++i) {\r
- matrix[slaveOffset+i] = 0;\r
- }\r
- }\r
- } else {\r
- // turn off the indicator led on no error\r
- TXLED0;\r
- error_count = 0;\r
- }\r
-\r
- matrix_scan_quantum();\r
-\r
- return ret;\r
-}\r
-\r
-void matrix_slave_scan(void) {\r
- _matrix_scan();\r
-\r
- int offset = (isLeftHand) ? 0 : (MATRIX_ROWS / 2);\r
-\r
-#ifdef USE_I2C\r
- for (int i = 0; i < ROWS_PER_HAND; ++i) {\r
- /* i2c_slave_buffer[i] = matrix[offset+i]; */\r
- i2c_slave_buffer[i] = matrix[offset+i];\r
- }\r
-#else // USE_SERIAL\r
- for (int i = 0; i < ROWS_PER_HAND; ++i) {\r
- serial_slave_buffer[i] = matrix[offset+i];\r
- }\r
-#endif\r
-}\r
-\r
-bool matrix_is_modified(void)\r
-{\r
- if (debouncing) return false;\r
- return true;\r
-}\r
-\r
-inline\r
-bool matrix_is_on(uint8_t row, uint8_t col)\r
-{\r
- return (matrix[row] & ((matrix_row_t)1<<col));\r
-}\r
-\r
-inline\r
-matrix_row_t matrix_get_row(uint8_t row)\r
-{\r
- return matrix[row];\r
-}\r
-\r
-void matrix_print(void)\r
-{\r
- print("\nr/c 0123456789ABCDEF\n");\r
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {\r
- phex(row); print(": ");\r
- pbin_reverse16(matrix_get_row(row));\r
- print("\n");\r
- }\r
-}\r
-\r
-uint8_t matrix_key_count(void)\r
-{\r
- uint8_t count = 0;\r
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {\r
- count += bitpop16(matrix[i]);\r
- }\r
- return count;\r
-}\r
-\r
-static void init_cols(void)\r
-{\r
- for(int x = 0; x < MATRIX_COLS; x++) {\r
- _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);\r
- _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);\r
- }\r
-}\r
-\r
-static matrix_row_t read_cols(void)\r
-{\r
- matrix_row_t result = 0;\r
- for(int x = 0; x < MATRIX_COLS; x++) {\r
- result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);\r
- }\r
- return result;\r
-}\r
-\r
-static void unselect_rows(void)\r
-{\r
- for(int x = 0; x < ROWS_PER_HAND; x++) {\r
- _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);\r
- _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);\r
- }\r
-}\r
-\r
-static void select_row(uint8_t row)\r
-{\r
- _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);\r
- _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);\r
-}\r
+/*
+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 "split_util.h"
+#include "pro_micro.h"
+#include "config.h"
+
+#ifdef USE_I2C
+# include "i2c.h"
+#else // USE_SERIAL
+# include "serial.h"
+#endif
+
+#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;
+}
+
+#ifdef USE_I2C
+
+// 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;
+}
+
+#else // USE_SERIAL
+
+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 // USE_SERIAL
+ 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 // USE_SERIAL
+ 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);
+}
-/*\r
- * WARNING: be careful changing this code, it is very timing dependent\r
- */\r
-\r
-#ifndef F_CPU\r
-#define F_CPU 16000000\r
-#endif\r
-\r
-#include <avr/io.h>\r
-#include <avr/interrupt.h>\r
-#include <util/delay.h>\r
-#include <stdbool.h>\r
-#include "serial.h"\r
-\r
-#ifdef USE_SERIAL\r
-\r
-// Serial pulse period in microseconds. Its probably a bad idea to lower this\r
-// value.\r
-#define SERIAL_DELAY 24\r
-\r
-uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};\r
-uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};\r
-\r
-#define SLAVE_DATA_CORRUPT (1<<0)\r
-volatile uint8_t status = 0;\r
-\r
-inline static\r
-void serial_delay(void) {\r
- _delay_us(SERIAL_DELAY);\r
-}\r
-\r
-inline static\r
-void serial_output(void) {\r
- SERIAL_PIN_DDR |= SERIAL_PIN_MASK;\r
-}\r
-\r
-// make the serial pin an input with pull-up resistor\r
-inline static\r
-void serial_input(void) {\r
- SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;\r
- SERIAL_PIN_PORT |= SERIAL_PIN_MASK;\r
-}\r
-\r
-inline static\r
-uint8_t serial_read_pin(void) {\r
- return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);\r
-}\r
-\r
-inline static\r
-void serial_low(void) {\r
- SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;\r
-}\r
-\r
-inline static\r
-void serial_high(void) {\r
- SERIAL_PIN_PORT |= SERIAL_PIN_MASK;\r
-}\r
-\r
-void serial_master_init(void) {\r
- serial_output();\r
- serial_high();\r
-}\r
-\r
-void serial_slave_init(void) {\r
- serial_input();\r
-\r
- // Enable INT0\r
- EIMSK |= _BV(INT0);\r
- // Trigger on falling edge of INT0\r
- EICRA &= ~(_BV(ISC00) | _BV(ISC01));\r
-}\r
-\r
-// Used by the master to synchronize timing with the slave.\r
-static\r
-void sync_recv(void) {\r
- serial_input();\r
- // This shouldn't hang if the slave disconnects because the\r
- // serial line will float to high if the slave does disconnect.\r
- while (!serial_read_pin());\r
- serial_delay();\r
-}\r
-\r
-// Used by the slave to send a synchronization signal to the master.\r
-static\r
-void sync_send(void) {\r
- serial_output();\r
-\r
- serial_low();\r
- serial_delay();\r
-\r
- serial_high();\r
-}\r
-\r
-// Reads a byte from the serial line\r
-static\r
-uint8_t serial_read_byte(void) {\r
- uint8_t byte = 0;\r
- serial_input();\r
- for ( uint8_t i = 0; i < 8; ++i) {\r
- byte = (byte << 1) | serial_read_pin();\r
- serial_delay();\r
- _delay_us(1);\r
- }\r
-\r
- return byte;\r
-}\r
-\r
-// Sends a byte with MSB ordering\r
-static\r
-void serial_write_byte(uint8_t data) {\r
- uint8_t b = 8;\r
- serial_output();\r
- while( b-- ) {\r
- if(data & (1 << b)) {\r
- serial_high();\r
- } else {\r
- serial_low();\r
- }\r
- serial_delay();\r
- }\r
-}\r
-\r
-// interrupt handle to be used by the slave device\r
-ISR(SERIAL_PIN_INTERRUPT) {\r
- sync_send();\r
-\r
- uint8_t checksum = 0;\r
- for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {\r
- serial_write_byte(serial_slave_buffer[i]);\r
- sync_send();\r
- checksum += serial_slave_buffer[i];\r
- }\r
- serial_write_byte(checksum);\r
- sync_send();\r
-\r
- // wait for the sync to finish sending\r
- serial_delay();\r
-\r
- // read the middle of pulses\r
- _delay_us(SERIAL_DELAY/2);\r
-\r
- uint8_t checksum_computed = 0;\r
- for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {\r
- serial_master_buffer[i] = serial_read_byte();\r
- sync_send();\r
- checksum_computed += serial_master_buffer[i];\r
- }\r
- uint8_t checksum_received = serial_read_byte();\r
- sync_send();\r
-\r
- serial_input(); // end transaction\r
-\r
- if ( checksum_computed != checksum_received ) {\r
- status |= SLAVE_DATA_CORRUPT;\r
- } else {\r
- status &= ~SLAVE_DATA_CORRUPT;\r
- }\r
-}\r
-\r
-inline\r
-bool serial_slave_DATA_CORRUPT(void) {\r
- return status & SLAVE_DATA_CORRUPT;\r
-}\r
-\r
-// Copies the serial_slave_buffer to the master and sends the\r
-// serial_master_buffer to the slave.\r
-//\r
-// Returns:\r
-// 0 => no error\r
-// 1 => slave did not respond\r
-int serial_update_buffers(void) {\r
- // this code is very time dependent, so we need to disable interrupts\r
- cli();\r
-\r
- // signal to the slave that we want to start a transaction\r
- serial_output();\r
- serial_low();\r
- _delay_us(1);\r
-\r
- // wait for the slaves response\r
- serial_input();\r
- serial_high();\r
- _delay_us(SERIAL_DELAY);\r
-\r
- // check if the slave is present\r
- if (serial_read_pin()) {\r
- // slave failed to pull the line low, assume not present\r
- sei();\r
- return 1;\r
- }\r
-\r
- // if the slave is present syncronize with it\r
- sync_recv();\r
-\r
- uint8_t checksum_computed = 0;\r
- // receive data from the slave\r
- for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {\r
- serial_slave_buffer[i] = serial_read_byte();\r
- sync_recv();\r
- checksum_computed += serial_slave_buffer[i];\r
- }\r
- uint8_t checksum_received = serial_read_byte();\r
- sync_recv();\r
-\r
- if (checksum_computed != checksum_received) {\r
- sei();\r
- return 1;\r
- }\r
-\r
- uint8_t checksum = 0;\r
- // send data to the slave\r
- for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {\r
- serial_write_byte(serial_master_buffer[i]);\r
- sync_recv();\r
- checksum += serial_master_buffer[i];\r
- }\r
- serial_write_byte(checksum);\r
- sync_recv();\r
-\r
- // always, release the line when not in use\r
- serial_output();\r
- serial_high();\r
-\r
- sei();\r
- return 0;\r
-}\r
-\r
-#endif\r
+/*
+ * WARNING: be careful changing this code, it is very timing dependent
+ */
+
+#ifndef F_CPU
+#define F_CPU 16000000
+#endif
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <stdbool.h>
+#include "serial.h"
+
+#ifdef USE_SERIAL
+
+// Serial pulse period in microseconds. Its probably a bad idea to lower this
+// value.
+#define SERIAL_DELAY 24
+
+uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
+uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+
+#define SLAVE_DATA_CORRUPT (1<<0)
+volatile uint8_t status = 0;
+
+inline static
+void serial_delay(void) {
+ _delay_us(SERIAL_DELAY);
+}
+
+inline static
+void serial_output(void) {
+ SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
+}
+
+// make the serial pin an input with pull-up resistor
+inline static
+void serial_input(void) {
+ SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;
+ SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
+}
+
+inline static
+uint8_t serial_read_pin(void) {
+ return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
+}
+
+inline static
+void serial_low(void) {
+ SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
+}
+
+inline static
+void serial_high(void) {
+ SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
+}
+
+void serial_master_init(void) {
+ serial_output();
+ serial_high();
+}
+
+void serial_slave_init(void) {
+ serial_input();
+
+ // Enable INT0
+ EIMSK |= _BV(INT0);
+ // Trigger on falling edge of INT0
+ EICRA &= ~(_BV(ISC00) | _BV(ISC01));
+}
+
+// Used by the master to synchronize timing with the slave.
+static
+void sync_recv(void) {
+ serial_input();
+ // This shouldn't hang if the slave disconnects because the
+ // serial line will float to high if the slave does disconnect.
+ while (!serial_read_pin());
+ serial_delay();
+}
+
+// Used by the slave to send a synchronization signal to the master.
+static
+void sync_send(void) {
+ serial_output();
+
+ serial_low();
+ serial_delay();
+
+ serial_high();
+}
+
+// Reads a byte from the serial line
+static
+uint8_t serial_read_byte(void) {
+ uint8_t byte = 0;
+ serial_input();
+ for ( uint8_t i = 0; i < 8; ++i) {
+ byte = (byte << 1) | serial_read_pin();
+ serial_delay();
+ _delay_us(1);
+ }
+
+ return byte;
+}
+
+// Sends a byte with MSB ordering
+static
+void serial_write_byte(uint8_t data) {
+ uint8_t b = 8;
+ serial_output();
+ while( b-- ) {
+ if(data & (1 << b)) {
+ serial_high();
+ } else {
+ serial_low();
+ }
+ serial_delay();
+ }
+}
+
+// interrupt handle to be used by the slave device
+ISR(SERIAL_PIN_INTERRUPT) {
+ sync_send();
+
+ uint8_t checksum = 0;
+ for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
+ serial_write_byte(serial_slave_buffer[i]);
+ sync_send();
+ checksum += serial_slave_buffer[i];
+ }
+ serial_write_byte(checksum);
+ sync_send();
+
+ // wait for the sync to finish sending
+ serial_delay();
+
+ // read the middle of pulses
+ _delay_us(SERIAL_DELAY/2);
+
+ uint8_t checksum_computed = 0;
+ for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
+ serial_master_buffer[i] = serial_read_byte();
+ sync_send();
+ checksum_computed += serial_master_buffer[i];
+ }
+ uint8_t checksum_received = serial_read_byte();
+ sync_send();
+
+ serial_input(); // end transaction
+
+ if ( checksum_computed != checksum_received ) {
+ status |= SLAVE_DATA_CORRUPT;
+ } else {
+ status &= ~SLAVE_DATA_CORRUPT;
+ }
+}
+
+inline
+bool serial_slave_DATA_CORRUPT(void) {
+ return status & SLAVE_DATA_CORRUPT;
+}
+
+// Copies the serial_slave_buffer to the master and sends the
+// serial_master_buffer to the slave.
+//
+// Returns:
+// 0 => no error
+// 1 => slave did not respond
+int serial_update_buffers(void) {
+ // this code is very time dependent, so we need to disable interrupts
+ cli();
+
+ // signal to the slave that we want to start a transaction
+ serial_output();
+ serial_low();
+ _delay_us(1);
+
+ // wait for the slaves response
+ serial_input();
+ serial_high();
+ _delay_us(SERIAL_DELAY);
+
+ // check if the slave is present
+ if (serial_read_pin()) {
+ // slave failed to pull the line low, assume not present
+ sei();
+ return 1;
+ }
+
+ // if the slave is present syncronize with it
+ sync_recv();
+
+ uint8_t checksum_computed = 0;
+ // receive data from the slave
+ for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
+ serial_slave_buffer[i] = serial_read_byte();
+ sync_recv();
+ checksum_computed += serial_slave_buffer[i];
+ }
+ uint8_t checksum_received = serial_read_byte();
+ sync_recv();
+
+ if (checksum_computed != checksum_received) {
+ sei();
+ return 1;
+ }
+
+ uint8_t checksum = 0;
+ // send data to the slave
+ for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
+ serial_write_byte(serial_master_buffer[i]);
+ sync_recv();
+ checksum += serial_master_buffer[i];
+ }
+ serial_write_byte(checksum);
+ sync_recv();
+
+ // always, release the line when not in use
+ serial_output();
+ serial_high();
+
+ sei();
+ return 0;
+}
+
+#endif
-#ifndef MY_SERIAL_H\r
-#define MY_SERIAL_H\r
-\r
-#include "config.h"\r
-#include <stdbool.h>\r
-\r
-/* TODO: some defines for interrupt setup */\r
-#define SERIAL_PIN_DDR DDRD\r
-#define SERIAL_PIN_PORT PORTD\r
-#define SERIAL_PIN_INPUT PIND\r
-#define SERIAL_PIN_MASK _BV(PD0)\r
-#define SERIAL_PIN_INTERRUPT INT0_vect\r
-\r
-#define SERIAL_SLAVE_BUFFER_LENGTH ((MATRIX_COLS+7)/8 *MATRIX_ROWS/2)\r
-#define SERIAL_MASTER_BUFFER_LENGTH 1\r
-\r
-// Buffers for master - slave communication\r
-extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];\r
-extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];\r
-\r
-void serial_master_init(void);\r
-void serial_slave_init(void);\r
-int serial_update_buffers(void);\r
-bool serial_slave_data_corrupt(void);\r
-\r
-#endif\r
+#ifndef MY_SERIAL_H
+#define MY_SERIAL_H
+
+#include "config.h"
+#include <stdbool.h>
+
+/* TODO: some defines for interrupt setup */
+#define SERIAL_PIN_DDR DDRD
+#define SERIAL_PIN_PORT PORTD
+#define SERIAL_PIN_INPUT PIND
+#define SERIAL_PIN_MASK _BV(PD0)
+#define SERIAL_PIN_INTERRUPT INT0_vect
+
+#define SERIAL_SLAVE_BUFFER_LENGTH ((MATRIX_COLS+7)/8 *MATRIX_ROWS/2)
+#define SERIAL_MASTER_BUFFER_LENGTH 1
+
+// Buffers for master - slave communication
+extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
+extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+
+void serial_master_init(void);
+void serial_slave_init(void);
+int serial_update_buffers(void);
+bool serial_slave_data_corrupt(void);
+
+#endif
-#include <avr/io.h>\r
-#include <avr/wdt.h>\r
-#include <avr/power.h>\r
-#include <avr/interrupt.h>\r
-#include <util/delay.h>\r
-#include <avr/eeprom.h>\r
-#include "split_util.h"\r
-#include "matrix.h"\r
-#include "keyboard.h"\r
-#include "config.h"\r
-\r
-#ifdef USE_I2C\r
-# include "i2c.h"\r
-#else\r
-# include "serial.h"\r
-#endif\r
-\r
-volatile bool isLeftHand = true;\r
-\r
-static void setup_handedness(void) {\r
- #ifdef EE_HANDS\r
- isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);\r
- #else\r
- // I2C_MASTER_RIGHT is deprecated use MASTER_RIGHT instead since this works for both serial and i2c\r
- #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)\r
- isLeftHand = !has_usb();\r
- #else\r
- isLeftHand = has_usb();\r
- #endif\r
- #endif\r
-}\r
-\r
-static void keyboard_master_setup(void) {\r
-#ifdef USE_I2C\r
- i2c_master_init();\r
-#else\r
- serial_master_init();\r
-#endif\r
-}\r
-\r
-static void keyboard_slave_setup(void) {\r
-#ifdef USE_I2C\r
- i2c_slave_init(SLAVE_I2C_ADDRESS);\r
-#else\r
- serial_slave_init();\r
-#endif\r
-}\r
-\r
-bool has_usb(void) {\r
- USBCON |= (1 << OTGPADE); //enables VBUS pad\r
- _delay_us(5);\r
- return (USBSTA & (1<<VBUS)); //checks state of VBUS\r
-}\r
-\r
-void split_keyboard_setup(void) {\r
- setup_handedness();\r
-\r
- if (has_usb()) {\r
- keyboard_master_setup();\r
- } else {\r
- keyboard_slave_setup();\r
- }\r
- sei();\r
-}\r
-\r
-void keyboard_slave_loop(void) {\r
- matrix_init();\r
-\r
- while (1) {\r
- matrix_slave_scan();\r
- }\r
-}\r
-\r
-// this code runs before the usb and keyboard is initialized\r
-void matrix_setup(void) {\r
- split_keyboard_setup();\r
-\r
- if (!has_usb()) {\r
- keyboard_slave_loop();\r
- }\r
-}\r
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/eeprom.h>
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+#include "config.h"
+
+#ifdef USE_I2C
+# include "i2c.h"
+#else
+# include "serial.h"
+#endif
+
+volatile bool isLeftHand = true;
+
+static void setup_handedness(void) {
+ #ifdef EE_HANDS
+ isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
+ #else
+ // I2C_MASTER_RIGHT is deprecated use MASTER_RIGHT instead since this works for both serial and i2c
+ #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
+ isLeftHand = !has_usb();
+ #else
+ isLeftHand = has_usb();
+ #endif
+ #endif
+}
+
+static void keyboard_master_setup(void) {
+#ifdef USE_I2C
+ i2c_master_init();
+#else
+ serial_master_init();
+#endif
+}
+
+static void keyboard_slave_setup(void) {
+#ifdef USE_I2C
+ i2c_slave_init(SLAVE_I2C_ADDRESS);
+#else
+ serial_slave_init();
+#endif
+}
+
+bool has_usb(void) {
+ USBCON |= (1 << OTGPADE); //enables VBUS pad
+ _delay_us(5);
+ return (USBSTA & (1<<VBUS)); //checks state of VBUS
+}
+
+void split_keyboard_setup(void) {
+ setup_handedness();
+
+ if (has_usb()) {
+ keyboard_master_setup();
+ } else {
+ keyboard_slave_setup();
+ }
+ sei();
+}
+
+void keyboard_slave_loop(void) {
+ matrix_init();
+
+ while (1) {
+ matrix_slave_scan();
+ }
+}
+
+// this code runs before the usb and keyboard is initialized
+void matrix_setup(void) {
+ split_keyboard_setup();
+
+ if (!has_usb()) {
+ keyboard_slave_loop();
+ }
+}
-#ifndef SPLIT_KEYBOARD_UTIL_H\r
-#define SPLIT_KEYBOARD_UTIL_H\r
-\r
-#include <stdbool.h>\r
-\r
-#ifdef EE_HANDS\r
- #define EECONFIG_BOOTMAGIC_END (uint8_t *)10\r
- #define EECONFIG_HANDEDNESS EECONFIG_BOOTMAGIC_END\r
-#endif\r
-\r
-#define SLAVE_I2C_ADDRESS 0x32\r
-\r
-extern volatile bool isLeftHand;\r
-\r
-// slave version of matix scan, defined in matrix.c\r
-void matrix_slave_scan(void);\r
-\r
-void split_keyboard_setup(void);\r
-bool has_usb(void);\r
-void keyboard_slave_loop(void);\r
-\r
-#endif\r
+#ifndef SPLIT_KEYBOARD_UTIL_H
+#define SPLIT_KEYBOARD_UTIL_H
+
+#include <stdbool.h>
+
+#ifdef EE_HANDS
+ #define EECONFIG_BOOTMAGIC_END (uint8_t *)10
+ #define EECONFIG_HANDEDNESS EECONFIG_BOOTMAGIC_END
+#endif
+
+#define SLAVE_I2C_ADDRESS 0x32
+
+extern volatile bool isLeftHand;
+
+// slave version of matix scan, defined in matrix.c
+void matrix_slave_scan(void);
+
+void split_keyboard_setup(void);
+bool has_usb(void);
+void keyboard_slave_loop(void);
+
+#endif
projects / qmk_firmware.git / commitdiff