diff options
Diffstat (limited to 'quantum')
| -rw-r--r-- | quantum/keymap_common.c | 22 | ||||
| -rw-r--r-- | quantum/quantum.c | 65 | ||||
| -rw-r--r-- | quantum/quantum.h | 6 | ||||
| -rw-r--r-- | quantum/rgblight.c | 2 | ||||
| -rw-r--r-- | quantum/rgblight.h | 4 | ||||
| -rw-r--r-- | quantum/split_common/eeprom-lefthand.eep | 2 | ||||
| -rw-r--r-- | quantum/split_common/eeprom-righthand.eep | 2 | ||||
| -rw-r--r-- | quantum/split_common/i2c.c | 187 | ||||
| -rw-r--r-- | quantum/split_common/i2c.h | 60 | ||||
| -rw-r--r-- | quantum/split_common/matrix.c | 510 | ||||
| -rw-r--r-- | quantum/split_common/serial.c | 228 | ||||
| -rw-r--r-- | quantum/split_common/serial.h | 26 | ||||
| -rw-r--r-- | quantum/split_common/split_flags.c | 5 | ||||
| -rw-r--r-- | quantum/split_common/split_flags.h | 20 | ||||
| -rw-r--r-- | quantum/split_common/split_util.c | 145 | ||||
| -rw-r--r-- | quantum/split_common/split_util.h | 23 |
16 files changed, 1306 insertions, 1 deletions
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c index 9a412b66ad..50af15d626 100644 --- a/quantum/keymap_common.c +++ b/quantum/keymap_common.c @@ -29,6 +29,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include "backlight.h" #include "quantum.h" +#ifdef SPLIT_KEYBOARD + #include "split_flags.h" +#endif + #ifdef MIDI_ENABLE #include "process_midi.h" #endif @@ -134,21 +138,39 @@ action_t action_for_key(uint8_t layer, keypos_t key) #ifdef BACKLIGHT_ENABLE case BL_ON: action.code = ACTION_BACKLIGHT_ON(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; case BL_OFF: action.code = ACTION_BACKLIGHT_OFF(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; case BL_DEC: action.code = ACTION_BACKLIGHT_DECREASE(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; case BL_INC: action.code = ACTION_BACKLIGHT_INCREASE(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; case BL_TOGG: action.code = ACTION_BACKLIGHT_TOGGLE(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; case BL_STEP: action.code = ACTION_BACKLIGHT_STEP(); + #ifdef SPLIT_KEYBOARD + BACKLIT_DIRTY = true; + #endif break; #endif #ifdef SWAP_HANDS_ENABLE diff --git a/quantum/quantum.c b/quantum/quantum.c index 2bd2c71af5..9c6ed3330e 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -312,8 +312,16 @@ bool process_record_quantum(keyrecord_t *record) { #endif #if defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE) case RGB_TOG: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_toggle(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_MODE_FORWARD: @@ -325,6 +333,9 @@ bool process_record_quantum(keyrecord_t *record) { else { rgblight_step(); } + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_MODE_REVERSE: @@ -336,36 +347,87 @@ bool process_record_quantum(keyrecord_t *record) { else { rgblight_step_reverse(); } + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_HUI: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_increase_hue(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_HUD: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_decrease_hue(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_SAI: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_increase_sat(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_SAD: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_decrease_sat(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_VAI: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_increase_val(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_VAD: + // Split keyboards need to trigger on key-up for edge-case issue + #ifndef SPLIT_KEYBOARD if (record->event.pressed) { + #else + if (!record->event.pressed) { + #endif rgblight_decrease_val(); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_SPI: @@ -381,6 +443,9 @@ bool process_record_quantum(keyrecord_t *record) { case RGB_MODE_PLAIN: if (record->event.pressed) { rgblight_mode(1); + #ifdef SPLIT_KEYBOARD + RGB_DIRTY = true; + #endif } return false; case RGB_MODE_BREATHE: diff --git a/quantum/quantum.h b/quantum/quantum.h index 2238464124..0675a90ac3 100644 --- a/quantum/quantum.h +++ b/quantum/quantum.h @@ -33,9 +33,15 @@ #ifdef RGBLIGHT_ENABLE #include "rgblight.h" #endif + +#ifdef SPLIT_KEYBOARD + #include "split_flags.h" +#endif + #ifdef RGB_MATRIX_ENABLE #include "rgb_matrix.h" #endif + #include "action_layer.h" #include "eeconfig.h" #include <stddef.h> diff --git a/quantum/rgblight.c b/quantum/rgblight.c index 2490a1d9f3..aa70cbd9ec 100644 --- a/quantum/rgblight.c +++ b/quantum/rgblight.c @@ -127,7 +127,7 @@ void eeconfig_update_rgblight(uint32_t val) { #endif } void eeconfig_update_rgblight_default(void) { - dprintf("eeconfig_update_rgblight_default\n"); + //dprintf("eeconfig_update_rgblight_default\n"); rgblight_config.enable = 1; rgblight_config.mode = 1; rgblight_config.hue = 0; diff --git a/quantum/rgblight.h b/quantum/rgblight.h index e9c192a4ed..0f7b5ffb56 100644 --- a/quantum/rgblight.h +++ b/quantum/rgblight.h @@ -76,6 +76,10 @@ #include "rgblight_types.h" #include "rgblight_list.h" +#if defined(__AVR__) + #include <avr/pgmspace.h> +#endif + extern LED_TYPE led[RGBLED_NUM]; extern const uint8_t RGBLED_BREATHING_INTERVALS[4] PROGMEM; diff --git a/quantum/split_common/eeprom-lefthand.eep b/quantum/split_common/eeprom-lefthand.eep new file mode 100644 index 0000000000..bda23cdb6e --- /dev/null +++ b/quantum/split_common/eeprom-lefthand.eep @@ -0,0 +1,2 @@ +:0F000000000000000000000000000000000001F0 +:00000001FF diff --git a/quantum/split_common/eeprom-righthand.eep b/quantum/split_common/eeprom-righthand.eep new file mode 100644 index 0000000000..549cd1ef0a --- /dev/null +++ b/quantum/split_common/eeprom-righthand.eep @@ -0,0 +1,2 @@ +:0F000000000000000000000000000000000000F1 +:00000001FF diff --git a/quantum/split_common/i2c.c b/quantum/split_common/i2c.c new file mode 100644 index 0000000000..b3d7fcc681 --- /dev/null +++ b/quantum/split_common/i2c.c @@ -0,0 +1,187 @@ +#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" +#include "split_flags.h" + +#if defined(USE_I2C) || defined(EH) + +// 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; +} + +uint8_t i2c_master_write_data(void *const TXdata, uint8_t dataLen) { + + uint8_t *data = (uint8_t *)TXdata; + int err = 0; + + for (int i = 0; i < dataLen; i++) { + err = i2c_master_write(data[i]); + + if ( err ) + return err; + } + + return err; + +} + +// 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; + + if ( slave_buffer_pos == I2C_BACKLIT_START) { + BACKLIT_DIRTY = true; + } else if ( slave_buffer_pos == (I2C_RGB_START+3)) { + RGB_DIRTY = true; + } + + 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 diff --git a/quantum/split_common/i2c.h b/quantum/split_common/i2c.h new file mode 100644 index 0000000000..b4c72bde0e --- /dev/null +++ b/quantum/split_common/i2c.h @@ -0,0 +1,60 @@ +#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 + +// Address location defines (Keymap should be last, as it's size is dynamic) +#define I2C_BACKLIT_START 0x00 +// Need 4 bytes for RGB (32 bit) +#define I2C_RGB_START 0x01 +#define I2C_KEYMAP_START 0x06 + +// Slave buffer (8bit per) +// Rows per hand + backlit space + rgb space +// TODO : Make this dynamically sized +#define SLAVE_BUFFER_SIZE 0x20 + +// i2c SCL clock frequency +#define SCL_CLOCK 400000L + +// Support 8bits right now (8 cols) will need to edit to take higher (code exists in delta split?) +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_write_data(void *const TXdata, uint8_t dataLen); +uint8_t i2c_master_read(int); +void i2c_reset_state(void); +void i2c_slave_init(uint8_t address); + + +static inline unsigned char i2c_start_read(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_READ); +} + +static inline unsigned char i2c_start_write(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_WRITE); +} + +// from SSD1306 scrips +extern unsigned char i2c_rep_start(unsigned char addr); +extern void i2c_start_wait(unsigned char addr); +extern unsigned char i2c_readAck(void); +extern unsigned char i2c_readNak(void); +extern unsigned char i2c_read(unsigned char ack); + +#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); + +#endif diff --git a/quantum/split_common/matrix.c b/quantum/split_common/matrix.c new file mode 100644 index 0000000000..071f0481a4 --- /dev/null +++ b/quantum/split_common/matrix.c @@ -0,0 +1,510 @@ +/* +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 "wait.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "split_util.h" +#include "pro_micro.h" +#include "config.h" +#include "timer.h" +#include "split_flags.h" + +#ifdef RGBLIGHT_ENABLE +# include "rgblight.h" +#endif +#ifdef BACKLIGHT_ENABLE +# include "backlight.h" +#endif + +#if defined(USE_I2C) || defined(EH) +# include "i2c.h" +#else // USE_SERIAL +# include "serial.h" +#endif + +#ifndef DEBOUNCING_DELAY +# define DEBOUNCING_DELAY 5 +#endif + +#if (DEBOUNCING_DELAY > 0) + static uint16_t debouncing_time; + static bool debouncing = false; +#endif + +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#else +# error "Currently only supports 8 COLS" +#endif +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +#define ERROR_DISCONNECT_COUNT 5 + +#define 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]; + +#if (DIODE_DIRECTION == COL2ROW) + static void init_cols(void); + static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row); + static void unselect_rows(void); + static void select_row(uint8_t row); + static void unselect_row(uint8_t row); +#elif (DIODE_DIRECTION == ROW2COL) + static void init_rows(void); + static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); + static void unselect_cols(void); + static void unselect_col(uint8_t col); + static void select_col(uint8_t col); +#endif + +__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) { +} + +__attribute__ ((weak)) +void matrix_slave_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) +{ +#ifdef DISABLE_JTAG + // JTAG disable for PORT F. write JTD bit twice within four cycles. + MCUCR |= (1<<JTD); + MCUCR |= (1<<JTD); +#endif + + debug_enable = true; + debug_matrix = true; + debug_mouse = true; + // initialize row and col +#if (DIODE_DIRECTION == COL2ROW) + unselect_rows(); + init_cols(); +#elif (DIODE_DIRECTION == ROW2COL) + unselect_cols(); + init_rows(); +#endif + + // 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) +{ + int offset = isLeftHand ? 0 : (ROWS_PER_HAND); +#if (DIODE_DIRECTION == COL2ROW) + // Set row, read cols + for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) { +# if (DEBOUNCING_DELAY > 0) + bool matrix_changed = read_cols_on_row(matrix_debouncing+offset, current_row); + + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } + +# else + read_cols_on_row(matrix+offset, current_row); +# endif + + } + +#elif (DIODE_DIRECTION == ROW2COL) + // Set col, read rows + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { +# if (DEBOUNCING_DELAY > 0) + bool matrix_changed = read_rows_on_col(matrix_debouncing+offset, current_col); + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } +# else + read_rows_on_col(matrix+offset, current_col); +# endif + + } +#endif + +# if (DEBOUNCING_DELAY > 0) + if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) { + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + matrix[i+offset] = matrix_debouncing[i+offset]; + } + debouncing = false; + } +# endif + + return 1; +} + +#if defined(USE_I2C) || defined(EH) + +// Get rows from other half over i2c +int i2c_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + int err = 0; + + // write backlight info + #ifdef BACKLIGHT_ENABLE + if (BACKLIT_DIRTY) { + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // Backlight location + err = i2c_master_write(I2C_BACKLIT_START); + if (err) goto i2c_error; + + // Write backlight + i2c_master_write(get_backlight_level()); + + BACKLIT_DIRTY = false; + } + #endif + + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // start of matrix stored at I2C_KEYMAP_START + err = i2c_master_write(I2C_KEYMAP_START); + 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; + } + + #ifdef RGBLIGHT_ENABLE + if (RGB_DIRTY) { + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // RGB Location + err = i2c_master_write(I2C_RGB_START); + if (err) goto i2c_error; + + uint32_t dword = eeconfig_read_rgblight(); + + // Write RGB + err = i2c_master_write_data(&dword, 4); + if (err) goto i2c_error; + + RGB_DIRTY = false; + i2c_master_stop(); + } + #endif + + 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) +{ + uint8_t ret = _matrix_scan(); + +#if defined(USE_I2C) || defined(EH) + if( i2c_transaction() ) { +#else // USE_SERIAL + if( serial_transaction() ) { +#endif + + 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 { + error_count = 0; + } + matrix_scan_quantum(); + return ret; +} + +void matrix_slave_scan(void) { + _matrix_scan(); + + int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; + +#if defined(USE_I2C) || defined(EH) + for (int i = 0; i < ROWS_PER_HAND; ++i) { + i2c_slave_buffer[I2C_KEYMAP_START+i] = matrix[offset+i]; + } +#else // USE_SERIAL + for (int i = 0; i < ROWS_PER_HAND; ++i) { + serial_slave_buffer[i] = matrix[offset+i]; + } +#endif + matrix_slave_scan_user(); +} + +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; +} + +#if (DIODE_DIRECTION == COL2ROW) + +static void init_cols(void) +{ + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) +{ + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[current_row]; + + // Clear data in matrix row + current_matrix[current_row] = 0; + + // Select row and wait for row selecton to stabilize + select_row(current_row); + wait_us(30); + + // For each col... + for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + + // Select the col pin to read (active low) + uint8_t pin = col_pins[col_index]; + uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); + + // Populate the matrix row with the state of the col pin + current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); + } + + // Unselect row + unselect_row(current_row); + + return (last_row_value != current_matrix[current_row]); +} + +static void select_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI +} + +static void unselect_rows(void) +{ + for(uint8_t x = 0; x < ROWS_PER_HAND; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +#elif (DIODE_DIRECTION == ROW2COL) + +static void init_rows(void) +{ + for(uint8_t x = 0; x < ROWS_PER_HAND; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) +{ + bool matrix_changed = false; + + // Select col and wait for col selecton to stabilize + select_col(current_col); + wait_us(30); + + // For each row... + for(uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) + { + + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[row_index]; + + // Check row pin state + if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0) + { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); + } + else + { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } + + // Determine if the matrix changed state + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) + { + matrix_changed = true; + } + } + + // Unselect col + unselect_col(current_col); + + return matrix_changed; +} + +static void select_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI +} + +static void unselect_cols(void) +{ + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +#endif diff --git a/quantum/split_common/serial.c b/quantum/split_common/serial.c new file mode 100644 index 0000000000..74bcbb6bf6 --- /dev/null +++ b/quantum/split_common/serial.c @@ -0,0 +1,228 @@ +/* + * 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" + +#ifndef USE_I2C + +// 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; +} |