diff options
Diffstat (limited to 'quantum/split_common')
| -rw-r--r-- | quantum/split_common/i2c.c | 3 | ||||
| -rw-r--r-- | quantum/split_common/i2c.h | 5 | ||||
| -rw-r--r-- | quantum/split_common/matrix.c | 639 | ||||
| -rw-r--r-- | quantum/split_common/matrix.h | 3 | ||||
| -rw-r--r-- | quantum/split_common/serial.c | 548 | ||||
| -rw-r--r-- | quantum/split_common/serial.h | 75 | ||||
| -rw-r--r-- | quantum/split_common/split_flags.h | 9 | ||||
| -rw-r--r-- | quantum/split_common/split_util.c | 171 | ||||
| -rw-r--r-- | quantum/split_common/split_util.h | 15 | ||||
| -rw-r--r-- | quantum/split_common/transport.c | 224 | ||||
| -rw-r--r-- | quantum/split_common/transport.h | 10 |
11 files changed, 994 insertions, 708 deletions
diff --git a/quantum/split_common/i2c.c b/quantum/split_common/i2c.c index b3d7fcc68..45e958b39 100644 --- a/quantum/split_common/i2c.c +++ b/quantum/split_common/i2c.c @@ -7,8 +7,6 @@ #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. @@ -184,4 +182,3 @@ ISR(TWI_vect) { // 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 index b3cbe8c82..91e8e96f4 100644 --- a/quantum/split_common/i2c.h +++ b/quantum/split_common/i2c.h @@ -1,5 +1,4 @@ -#ifndef I2C_H -#define I2C_H +#pragma once #include <stdint.h> @@ -58,5 +57,3 @@ 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 index 4af90209f..c3d2857ed 100644 --- a/quantum/split_common/matrix.c +++ b/quantum/split_common/matrix.c @@ -20,520 +20,309 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #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" +#include "quantum.h" +#include "debounce.h" +#include "transport.h" -#ifdef RGBLIGHT_ENABLE -# include "rgblight.h" -#endif -#ifdef BACKLIGHT_ENABLE -# include "backlight.h" - extern backlight_config_t backlight_config; -#endif - -#if defined(USE_I2C) || defined(EH) -# include "i2c.h" -#else // USE_SERIAL -# include "serial.h" +#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) +#elif (MATRIX_COLS <= 16) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop16(matrix[i]) +# define ROW_SHIFTER ((uint16_t)1) +#elif (MATRIX_COLS <= 32) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop32(matrix[i]) +# define ROW_SHIFTER ((uint32_t)1) #endif -#ifndef DEBOUNCING_DELAY -# define DEBOUNCING_DELAY 5 -#endif +#define ERROR_DISCONNECT_COUNT 5 -#if (DEBOUNCING_DELAY > 0) - static uint16_t debouncing_time; - static bool debouncing = false; -#endif +#define ROWS_PER_HAND (MATRIX_ROWS / 2) -#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) +#ifdef DIRECT_PINS +static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS; #else -# error "Currently only supports 8 COLS" +static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; #endif -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; -#define ERROR_DISCONNECT_COUNT 5 +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t raw_matrix[ROWS_PER_HAND]; -#define ROWS_PER_HAND (MATRIX_ROWS/2) +// row offsets for each hand +uint8_t thisHand, thatHand; -static uint8_t error_count = 0; +// user-defined overridable functions -static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; +__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); } -/* 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_scan_kb(void) { matrix_scan_user(); } -__attribute__ ((weak)) -void matrix_init_kb(void) { - matrix_init_user(); -} +__attribute__((weak)) void matrix_init_user(void) {} -__attribute__ ((weak)) -void matrix_scan_kb(void) { - matrix_scan_user(); -} +__attribute__((weak)) void matrix_scan_user(void) {} -__attribute__ ((weak)) -void matrix_init_user(void) { -} +__attribute__((weak)) void matrix_slave_scan_user(void) {} -__attribute__ ((weak)) -void matrix_scan_user(void) { -} +// helper functions -__attribute__ ((weak)) -void matrix_slave_scan_user(void) { -} +inline uint8_t matrix_rows(void) { return MATRIX_ROWS; } -inline -uint8_t matrix_rows(void) -{ - return MATRIX_ROWS; -} +inline uint8_t matrix_cols(void) { return MATRIX_COLS; } -inline -uint8_t matrix_cols(void) -{ - return MATRIX_COLS; +bool matrix_is_modified(void) { + if (debounce_active()) return false; + return true; } -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 +inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); } - 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 +inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; } - // 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(); - +void matrix_print(void) { + print_matrix_header(); + + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + phex(row); + print(": "); + print_matrix_row(row); + print("\n"); + } } -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); +uint8_t matrix_key_count(void) { + uint8_t count = 0; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + count += matrix_bitpop(i); + } + return count; +} - if (matrix_changed) { - debouncing = true; - debouncing_time = timer_read(); - } +// matrix code -# else - read_cols_on_row(matrix+offset, current_row); -# endif +#ifdef DIRECT_PINS +static void init_pins(void) { + for (int row = 0; row < MATRIX_ROWS; row++) { + for (int col = 0; col < MATRIX_COLS; col++) { + pin_t pin = direct_pins[row][col]; + if (pin != NO_PIN) { + setPinInputHigh(pin); + } } + } +} -#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 +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) { + matrix_row_t last_row_value = current_matrix[current_row]; + current_matrix[current_row] = 0; + for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + pin_t pin = direct_pins[current_row][col_index]; + if (pin != NO_PIN) { + current_matrix[current_row] |= readPin(pin) ? 0 : (ROW_SHIFTER << col_index); } -#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; + return (last_row_value != current_matrix[current_row]); } -#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 +#elif (DIODE_DIRECTION == COL2ROW) - return 0; +static void select_row(uint8_t row) { + writePinLow(row_pins[row]); + setPinOutput(row_pins[row]); } -#else // USE_SERIAL +static void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); } -int serial_transaction(void) { - int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; - - if (serial_update_buffers()) { - return 1; - } +static void unselect_rows(void) { + for (uint8_t x = 0; x < ROWS_PER_HAND; x++) { + setPinInputHigh(row_pins[x]); + } +} - for (int i = 0; i < ROWS_PER_HAND; ++i) { - matrix[slaveOffset+i] = serial_slave_buffer[i]; - } - - #ifdef RGBLIGHT_ENABLE - // Code to send RGB over serial goes here (not implemented yet) - #endif - - #ifdef BACKLIGHT_ENABLE - // Write backlight level for slave to read - serial_master_buffer[SERIAL_BACKLIT_START] = backlight_config.enable ? backlight_config.level : 0; - #endif - - return 0; +static void init_pins(void) { + unselect_rows(); + for (uint8_t x = 0; x < MATRIX_COLS; x++) { + setPinInputHigh(col_pins[x]); + } } -#endif -uint8_t matrix_scan(void) -{ - uint8_t ret = _matrix_scan(); +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]; -#if defined(USE_I2C) || defined(EH) - if( i2c_transaction() ) { -#else // USE_SERIAL - if( serial_transaction() ) { -#endif + // Clear data in matrix row + current_matrix[current_row] = 0; - error_count++; + // Select row and wait for row selecton to stabilize + select_row(current_row); + wait_us(30); - 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; -} + // For each col... + for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + // Populate the matrix row with the state of the col pin + current_matrix[current_row] |= readPin(col_pins[col_index]) ? 0 : (ROW_SHIFTER << col_index); + } -void matrix_slave_scan(void) { - _matrix_scan(); + // Unselect row + unselect_row(current_row); - int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; + return (last_row_value != current_matrix[current_row]); +} -#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 -#ifdef USE_I2C -#ifdef BACKLIGHT_ENABLE - // Read backlight level sent from master and update level on slave - backlight_set(i2c_slave_buffer[0]); -#endif - for (int i = 0; i < ROWS_PER_HAND; ++i) { - i2c_slave_buffer[i+1] = matrix[offset+i]; - } -#else // USE_SERIAL - for (int i = 0; i < ROWS_PER_HAND; ++i) { - serial_slave_buffer[i] = matrix[offset+i]; - } +#elif (DIODE_DIRECTION == ROW2COL) -#ifdef BACKLIGHT_ENABLE - // Read backlight level sent from master and update level on slave - backlight_set(serial_master_buffer[SERIAL_BACKLIT_START]); -#endif -#endif - matrix_slave_scan_user(); +static void select_col(uint8_t col) { + writePinLow(col_pins[col]); + setPinOutput(col_pins[col]); } -bool matrix_is_modified(void) -{ - if (debouncing) return false; - return true; -} +static void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); } -inline -bool matrix_is_on(uint8_t row, uint8_t col) -{ - return (matrix[row] & ((matrix_row_t)1<<col)); +static void unselect_cols(void) { + for (uint8_t x = 0; x < MATRIX_COLS; x++) { + setPinInputHigh(col_pins[x]); + } } -inline -matrix_row_t matrix_get_row(uint8_t row) -{ - return matrix[row]; +static void init_pins(void) { + unselect_cols(); + for (uint8_t x = 0; x < ROWS_PER_HAND; x++) { + setPinInputHigh(row_pins[x]); + } } -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"); - } -} +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { + bool matrix_changed = false; -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; -} + // Select col and wait for col selecton to stabilize + select_col(current_col); + wait_us(30); -#if (DIODE_DIRECTION == COL2ROW) + // 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]; -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 + // Check row pin state + if (readPin(row_pins[row_index])) { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } else { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); } -} -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]; + // Determine if the matrix changed state + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) { + matrix_changed = true; + } + } - // Clear data in matrix row - current_matrix[current_row] = 0; + // Unselect col + unselect_col(current_col); - // Select row and wait for row selecton to stabilize - select_row(current_row); - wait_us(30); + return matrix_changed; +} - // For each col... - for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { +#endif - // 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)); +void matrix_init(void) { + debug_enable = true; + debug_matrix = true; + debug_mouse = true; - // Populate the matrix row with the state of the col pin - current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); + // Set pinout for right half if pinout for that half is defined + if (!isLeftHand) { +#ifdef MATRIX_ROW_PINS_RIGHT + const uint8_t row_pins_right[MATRIX_ROWS] = MATRIX_ROW_PINS_RIGHT; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + row_pins[i] = row_pins_right[i]; + } +#endif +#ifdef MATRIX_COL_PINS_RIGHT + const uint8_t col_pins_right[MATRIX_COLS] = MATRIX_COL_PINS_RIGHT; + for (uint8_t i = 0; i < MATRIX_COLS; i++) { + col_pins[i] = col_pins_right[i]; } +#endif + } - // Unselect row - unselect_row(current_row); + thisHand = isLeftHand ? 0 : (ROWS_PER_HAND); + thatHand = ROWS_PER_HAND - thisHand; - return (last_row_value != current_matrix[current_row]); -} + // initialize key pins + init_pins(); -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 -} + // initialize matrix state: all keys off + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + } -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 -} + debounce_init(ROWS_PER_HAND); -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 - } + matrix_init_quantum(); } -#elif (DIODE_DIRECTION == ROW2COL) +uint8_t _matrix_scan(void) { + bool changed = false; -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 - } -} +#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW) + // Set row, read cols + for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) { + changed |= read_cols_on_row(raw_matrix, current_row); + } +#elif (DIODE_DIRECTION == ROW2COL) + // Set col, read rows + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { + changed |= read_rows_on_col(raw_matrix, current_col); + } +#endif -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) -{ - bool matrix_changed = false; + debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed); - // Select col and wait for col selecton to stabilize - select_col(current_col); - wait_us(30); + return 1; +} - // For each row... - for(uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) - { +uint8_t matrix_scan(void) { + uint8_t ret = _matrix_scan(); - // Store last value of row prior to reading - matrix_row_t last_row_value = current_matrix[row_index]; + if (is_keyboard_master()) { + static uint8_t error_count; - // 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); - } + if (!transport_master(matrix + thatHand)) { + error_count++; - // Determine if the matrix changed state - if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) - { - matrix_changed = true; + if (error_count > ERROR_DISCONNECT_COUNT) { + // reset other half if disconnected + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[thatHand + i] = 0; } + } + } else { + error_count = 0; } - // 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 -} + matrix_scan_quantum(); + } else { + transport_slave(matrix + thisHand); + matrix_slave_scan_user(); + } -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 - } + return ret; } - -#endif diff --git a/quantum/split_common/matrix.h b/quantum/split_common/matrix.h new file mode 100644 index 000000000..c2bdd3098 --- /dev/null +++ b/quantum/split_common/matrix.h @@ -0,0 +1,3 @@ +#pragma once + +#include <common/matrix.h> diff --git a/quantum/split_common/serial.c b/quantum/split_common/serial.c index 74bcbb6bf..1315377a3 100644 --- a/quantum/split_common/serial.c +++ b/quantum/split_common/serial.c @@ -1,5 +1,10 @@ /* * WARNING: be careful changing this code, it is very timing dependent + * + * 2018-10-28 checked + * avr-gcc 4.9.2 + * avr-gcc 5.4.0 + * avr-gcc 7.3.0 */ #ifndef F_CPU @@ -9,220 +14,533 @@ #include <avr/io.h> #include <avr/interrupt.h> #include <util/delay.h> +#include <stddef.h> #include <stdbool.h> #include "serial.h" +//#include <pro_micro.h> + +#ifdef SOFT_SERIAL_PIN + +#ifdef __AVR_ATmega32U4__ + // if using ATmega32U4 I2C, can not use PD0 and PD1 in soft serial. + #ifdef USE_AVR_I2C + #if SOFT_SERIAL_PIN == D0 || SOFT_SERIAL_PIN == D1 + #error Using ATmega32U4 I2C, so can not use PD0, PD1 + #endif + #endif + + #if SOFT_SERIAL_PIN >= D0 && SOFT_SERIAL_PIN <= D3 + #define SERIAL_PIN_DDR DDRD + #define SERIAL_PIN_PORT PORTD + #define SERIAL_PIN_INPUT PIND + #if SOFT_SERIAL_PIN == D0 + #define SERIAL_PIN_MASK _BV(PD0) + #define EIMSK_BIT _BV(INT0) + #define EICRx_BIT (~(_BV(ISC00) | _BV(ISC01))) + #define SERIAL_PIN_INTERRUPT INT0_vect + #elif SOFT_SERIAL_PIN == D1 + #define SERIAL_PIN_MASK _BV(PD1) + #define EIMSK_BIT _BV(INT1) + #define EICRx_BIT (~(_BV(ISC10) | _BV(ISC11))) + #define SERIAL_PIN_INTERRUPT INT1_vect + #elif SOFT_SERIAL_PIN == D2 + #define SERIAL_PIN_MASK _BV(PD2) + #define EIMSK_BIT _BV(INT2) + #define EICRx_BIT (~(_BV(ISC20) | _BV(ISC21))) + #define SERIAL_PIN_INTERRUPT INT2_vect + #elif SOFT_SERIAL_PIN == D3 + #define SERIAL_PIN_MASK _BV(PD3) + #define EIMSK_BIT _BV(INT3) + #define EICRx_BIT (~(_BV(ISC30) | _BV(ISC31))) + #define SERIAL_PIN_INTERRUPT INT3_vect + #endif + #elif SOFT_SERIAL_PIN == E6 + #define SERIAL_PIN_DDR DDRE + #define SERIAL_PIN_PORT PORTE + #define SERIAL_PIN_INPUT PINE + #define SERIAL_PIN_MASK _BV(PE6) + #define EIMSK_BIT _BV(INT6) + #define EICRx_BIT (~(_BV(ISC60) | _BV(ISC61))) + #define SERIAL_PIN_INTERRUPT INT6_vect + #else + #error invalid SOFT_SERIAL_PIN value + #endif + +#else + #error serial.c now support ATmega32U4 only +#endif -#ifndef USE_I2C +#define ALWAYS_INLINE __attribute__((always_inline)) +#define NO_INLINE __attribute__((noinline)) +#define _delay_sub_us(x) __builtin_avr_delay_cycles(x) + +// parity check +#define ODD_PARITY 1 +#define EVEN_PARITY 0 +#define PARITY EVEN_PARITY + +#ifdef SERIAL_DELAY + // custom setup in config.h + // #define TID_SEND_ADJUST 2 + // #define SERIAL_DELAY 6 // micro sec + // #define READ_WRITE_START_ADJUST 30 // cycles + // #define READ_WRITE_WIDTH_ADJUST 8 // cycles +#else +// ============ Standard setups ============ + +#ifndef SELECT_SOFT_SERIAL_SPEED +#define SELECT_SOFT_SERIAL_SPEED 1 +// 0: about 189kbps (Experimental only) +// 1: about 137kbps (default) +// 2: about 75kbps +// 3: about 39kbps +// 4: about 26kbps +// 5: about 20kbps +#endif -// Serial pulse period in microseconds. Its probably a bad idea to lower this -// value. -#define SERIAL_DELAY 24 +#if __GNUC__ < 6 + #define TID_SEND_ADJUST 14 +#else + #define TID_SEND_ADJUST 2 +#endif -uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; -uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; +#if SELECT_SOFT_SERIAL_SPEED == 0 + // Very High speed + #define SERIAL_DELAY 4 // micro sec + #if __GNUC__ < 6 + #define READ_WRITE_START_ADJUST 33 // cycles + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_START_ADJUST 34 // cycles + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#elif SELECT_SOFT_SERIAL_SPEED == 1 + // High speed + #define SERIAL_DELAY 6 // micro sec + #if __GNUC__ < 6 + #define READ_WRITE_START_ADJUST 30 // cycles + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_START_ADJUST 33 // cycles + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#elif SELECT_SOFT_SERIAL_SPEED == 2 + // Middle speed + #define SERIAL_DELAY 12 // micro sec + #define READ_WRITE_START_ADJUST 30 // cycles + #if __GNUC__ < 6 + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#elif SELECT_SOFT_SERIAL_SPEED == 3 + // Low speed + #define SERIAL_DELAY 24 // micro sec + #define READ_WRITE_START_ADJUST 30 // cycles + #if __GNUC__ < 6 + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#elif SELECT_SOFT_SERIAL_SPEED == 4 + // Very Low speed + #define SERIAL_DELAY 36 // micro sec + #define READ_WRITE_START_ADJUST 30 // cycles + #if __GNUC__ < 6 + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#elif SELECT_SOFT_SERIAL_SPEED == 5 + // Ultra Low speed + #define SERIAL_DELAY 48 // micro sec + #define READ_WRITE_START_ADJUST 30 // cycles + #if __GNUC__ < 6 + #define READ_WRITE_WIDTH_ADJUST 3 // cycles + #else + #define READ_WRITE_WIDTH_ADJUST 7 // cycles + #endif +#else +#error invalid SELECT_SOFT_SERIAL_SPEED value +#endif /* SELECT_SOFT_SERIAL_SPEED */ +#endif /* SERIAL_DELAY */ + +#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2) +#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2) + +#define SLAVE_INT_WIDTH_US 1 +#ifndef SERIAL_USE_MULTI_TRANSACTION + #define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY +#else + #define SLAVE_INT_ACK_WIDTH_UNIT 2 + #define SLAVE_INT_ACK_WIDTH 4 +#endif -#define SLAVE_DATA_CORRUPT (1<<0) -volatile uint8_t status = 0; +static SSTD_t *Transaction_table = NULL; +static uint8_t Transaction_table_size = 0; +inline static void serial_delay(void) ALWAYS_INLINE; inline static void serial_delay(void) { _delay_us(SERIAL_DELAY); } +inline static void serial_delay_half1(void) ALWAYS_INLINE; +inline static +void serial_delay_half1(void) { + _delay_us(SERIAL_DELAY_HALF1); +} + +inline static void serial_delay_half2(void) ALWAYS_INLINE; +inline static +void serial_delay_half2(void) { + _delay_us(SERIAL_DELAY_HALF2); +} + +inline static void serial_output(void) ALWAYS_INLINE; 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_with_pullup(void) ALWAYS_INLINE; inline static -void serial_input(void) { +void serial_input_with_pullup(void) { SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK; SERIAL_PIN_PORT |= SERIAL_PIN_MASK; } +inline static uint8_t serial_read_pin(void) ALWAYS_INLINE; inline static uint8_t serial_read_pin(void) { return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK); } +inline static void serial_low(void) ALWAYS_INLINE; inline static void serial_low(void) { SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK; } +inline static void serial_high(void) ALWAYS_INLINE; inline static void serial_high(void) { SERIAL_PIN_PORT |= SERIAL_PIN_MASK; } -void serial_master_init(void) { - serial_output(); - serial_high(); +void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size) +{ + Transaction_table = sstd_table; + Transaction_table_size = (uint8_t)sstd_table_size; + 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)); +void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size) +{ + Transaction_table = sstd_table; + Transaction_table_size = (uint8_t)sstd_table_size; + serial_input_with_pullup(); + + // Enable INT0-INT3,INT6 + EIMSK |= EIMSK_BIT; +#if SERIAL_PIN_MASK == _BV(PE6) + // Trigger on falling edge of INT6 + EICRB &= EICRx_BIT; +#else + // Trigger on falling edge of INT0-INT3 + EICRA &= EICRx_BIT; +#endif } -// Used by the master to synchronize timing with the slave. +// Used by the sender to synchronize timing with the reciver. +static void sync_recv(void) NO_INLINE; 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. + for (uint8_t i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) { + } + // This shouldn't hang if the target disconnects because the + // serial line will float to high if the target does disconnect. while (!serial_read_pin()); - serial_delay(); } -// Used by the slave to send a synchronization signal to the master. +// Used by the reciver to send a synchronization signal to the sender. +static void sync_send(void) NO_INLINE; 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); +static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) NO_INLINE; +static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) { + uint8_t byte, i, p, pb; + + _delay_sub_us(READ_WRITE_START_ADJUST); + for( i = 0, byte = 0, p = PARITY; i < bit; i++ ) { + serial_delay_half1(); // read the middle of pulses + if( serial_read_pin() ) { + byte = (byte << 1) | 1; p ^= 1; + } else { + byte = (byte << 1) | 0; p ^= 0; + } + _delay_sub_us(READ_WRITE_WIDTH_ADJUST); + serial_delay_half2(); } + /* recive parity bit */ + serial_delay_half1(); // read the middle of pulses + pb = serial_read_pin(); + _delay_sub_us(READ_WRITE_WIDTH_ADJUST); + serial_delay_half2(); + + *pterrcount += (p != pb)? 1 : 0; 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(); +void serial_write_chunk(uint8_t data, uint8_t bit) NO_INLINE; +void serial_write_chunk(uint8_t data, uint8_t bit) { + uint8_t b, p; + for( p = PARITY, b = 1<<(bit-1); b ; b >>= 1) { + if(data & b) { + serial_high(); p ^= 1; + } else { + serial_low(); p ^= 0; + } + serial_delay(); } + /* send parity bit */ + if(p & 1) { serial_high(); } + else { serial_low(); } serial_delay(); - } -} -// interrupt handle to be used by the slave device -ISR(SERIAL_PIN_INTERRUPT) { - sync_send(); + serial_low(); // sync_send() / senc_recv() need raise edge +} - uint8_t checksum = 0; - for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) { - serial_write_byte(serial_slave_buffer[i]); +static void serial_send_packet(uint8_t *buffer, uint8_t size) NO_INLINE; +static +void serial_send_packet(uint8_t *buffer, uint8_t size) { + for (uint8_t i = 0; i < size; ++i) { + uint8_t data; + data = buffer[i]; sync_send(); - checksum += serial_slave_buffer[i]; + serial_write_chunk(data,8); } - serial_write_byte(checksum); - sync_send(); +} - // wait for the sync to finish sending - serial_delay(); +static uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) NO_INLINE; +static +uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) { + uint8_t pecount = 0; + for (uint8_t i = 0; i < size; ++i) { + uint8_t data; + sync_recv(); + data = serial_read_chunk(&pecount, 8); + buffer[i] = data; + } + return pecount == 0; +} - // read the middle of pulses - _delay_us(SERIAL_DELAY/2); +inline static +void change_sender2reciver(void) { + sync_send(); //0 + serial_delay_half1(); //1 + serial_low(); //2 + serial_input_with_pullup(); //2 + serial_delay_half1(); //3 +} - 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]; +inline static +void change_reciver2sender(void) { + sync_recv(); //0 + serial_delay(); //1 + serial_low(); //3 + serial_output(); //3 + serial_delay_half1(); //4 +} + +static inline uint8_t nibble_bits_count(uint8_t bits) +{ + bits = (bits & 0x5) + (bits >> 1 & 0x5); + bits = (bits & 0x3) + (bits >> 2 & 0x3); + return bits; +} + +// interrupt handle to be used by the target device +ISR(SERIAL_PIN_INTERRUPT) { + +#ifndef SERIAL_USE_MULTI_TRANSACTION + serial_low(); + serial_output(); + SSTD_t *trans = Transaction_table; +#else + // recive transaction table index + uint8_t tid, bits; + uint8_t pecount = 0; + sync_recv(); + bits = serial_read_chunk(&pecount,7); + tid = bits>>3; + bits = (bits&7) != nibble_bits_count(tid); + if( bits || pecount> 0 || tid > Transaction_table_size ) { + return; } - uint8_t checksum_received = serial_read_byte(); - sync_send(); + serial_delay_half1(); - serial_input(); // end transaction + serial_high(); // response step1 low->high + serial_output(); + _delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT*SLAVE_INT_ACK_WIDTH); + SSTD_t *trans = &Transaction_table[tid]; + serial_low(); // response step2 ack high->low +#endif - if ( checksum_computed != checksum_received ) { - status |= SLAVE_DATA_CORRUPT; + // target send phase + if( trans->target2initiator_buffer_size > 0 ) + serial_send_packet((uint8_t *)trans->target2initiator_buffer, + trans->target2initiator_buffer_size); + // target switch to input + change_sender2reciver(); + + // target recive phase + if( trans->initiator2target_buffer_size > 0 ) { + if (serial_recive_packet((uint8_t *)trans->initiator2target_buffer, + trans->initiator2target_buffer_size) ) { + *trans->status = TRANSACTION_ACCEPTED; + } else { + *trans->status = TRANSACTION_DATA_ERROR; + } } else { - status &= ~SLAVE_DATA_CORRUPT; + *trans->status = TRANSACTION_ACCEPTED; } -} -inline -bool serial_slave_DATA_CORRUPT(void) { - return status & SLAVE_DATA_CORRUPT; + sync_recv(); //weit initiator output to high } -// Copies the serial_slave_buffer to the master and sends the -// serial_master_buffer to the slave. +///////// +// start transaction by initiator +// +// int soft_serial_transaction(int sstd_index) // // 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 +// TRANSACTION_END +// TRANSACTION_NO_RESPONSE +// TRANSACTION_DATA_ERROR +// this code is very time dependent, so we need to disable interrupts +#ifndef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_transaction(void) { + SSTD_t *trans = Transaction_table; +#else +int soft_serial_transaction(int sstd_index) { + if( sstd_index > Transaction_table_size ) + return TRANSACTION_TYPE_ERROR; + SSTD_t *trans = &Transaction_table[sstd_index]; +#endif cli(); - // signal to the slave that we want to start a transaction + // signal to the target that we want to start a transaction serial_output(); serial_low(); - _delay_us(1); + _delay_us(SLAVE_INT_WIDTH_US); - // wait for the slaves response - serial_input(); - serial_high(); - _delay_us(SERIAL_DELAY); +#ifndef SERIAL_USE_MULTI_TRANSACTION + // wait for the target response + serial_input_with_pullup(); + _delay_us(SLAVE_INT_RESPONSE_TIME); - // check if the slave is present + // check if the target is present if (serial_read_pin()) { - // slave failed to pull the line low, assume not present + // target failed to pull the line low, assume not present + serial_output(); + serial_high(); + *trans->status = TRANSACTION_NO_RESPONSE; sei(); - return 1; + return TRANSACTION_NO_RESPONSE; } - // 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]; +#else + // send transaction table index + int tid = (sstd_index<<3) | (7 & nibble_bits_count(sstd_index)); + sync_send(); + _delay_sub_us(TID_SEND_ADJUST); + serial_write_chunk(tid, 7); + serial_delay_half1(); + + // wait for the target response (step1 low->high) + serial_input_with_pullup(); + while( !serial_read_pin() ) { + _delay_sub_us(2); } - uint8_t checksum_received = serial_read_byte(); - sync_recv(); - if (checksum_computed != checksum_received) { - sei(); - return 1; + // check if the target is present (step2 high->low) + for( int i = 0; serial_read_pin(); i++ ) { + if (i > SLAVE_INT_ACK_WIDTH + 1) { + // slave failed to pull the line low, assume not present + serial_output(); + serial_high(); + *trans->status = TRANSACTION_NO_RESPONSE; + sei(); + return TRANSACTION_NO_RESPONSE; + } + _delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT); } +#endif - 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]; + // initiator recive phase + // if the target is present syncronize with it + if( trans->target2initiator_buffer_size > 0 ) { + if (!serial_recive_packet((uint8_t *)trans->target2initiator_buffer, + trans->target2initiator_buffer_size) ) { + serial_output(); + serial_high(); + *trans->status = TRANSACTION_DATA_ERROR; + sei(); + return TRANSACTION_DATA_ERROR; + } + } + + // initiator switch to output + change_reciver2sender(); + + // initiator send phase + if( trans->initiator2target_buffer_size > 0 ) { + serial_send_packet((uint8_t *)trans->initiator2target_buffer, + trans->initiator2target_buffer_size); } - serial_write_byte(checksum); - sync_recv(); // always, release the line when not in use - serial_output(); - serial_high(); + sync_send(); + *trans->status = TRANSACTION_END; sei(); - return 0; + return TRANSACTION_END; } +#ifdef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_get_and_clean_status(int sstd_index) { + SSTD_t *trans = &Transaction_table[sstd_index]; + cli(); + int retval = *trans->status; + *trans->status = 0;; + sei(); + return retval; +} +#endif + #endif + +// Helix serial.c history +// 2018-1-29 fork from let's split and add PD2, modify sync_recv() (#2308, bceffdefc) +// 2018-6-28 bug fix master to slave comm and speed up (#3255, 1038bbef4) +// (adjusted with avr-gcc 4.9.2) +// 2018-7-13 remove USE_SERIAL_PD2 macro (#3374, f30d6dd78) +// (adjusted with avr-gcc 4.9.2) +// 2018-8-11 add support multi-type transaction (#3608, feb5e4aae) +// (adjusted with avr-gcc 4.9.2) +// 2018-10-21 fix serial and RGB animation conflict (#4191, 4665e4fff) +// (adjusted with avr-gcc 7.3.0) +// 2018-10-28 re-adjust compiler depend value of delay (#4269, 8517f8a66) +// (adjusted with avr-gcc 5.4.0, 7.3.0) +// 2018-12-17 copy to TOP/quantum/split_common/ and remove backward compatibility code (#4669) diff --git a/quantum/split_common/serial.h b/quantum/split_common/serial.h index e566eb8a0..1c1e64006 100644 --- a/quantum/split_common/serial.h +++ b/quantum/split_common/serial.h @@ -1,29 +1,62 @@ -#ifndef MY_SERIAL_H -#define MY_SERIAL_H +#pragma once -#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 +// ///////////////////////////////////////////////////////////////// +// Need Soft Serial defines in config.h +// ///////////////////////////////////////////////////////////////// +// ex. +// #define SOFT_SERIAL_PIN ?? // ?? = D0,D1,D2,D3,E6 +// OPTIONAL: #define SELECT_SOFT_SERIAL_SPEED ? // ? = 1,2,3,4,5 +// // 1: about 137kbps (default) +// // 2: about 75kbps +// // 3: about 39kbps +// // 4: about 26kbps +// // 5: about 20kbps +// +// //// USE simple API (using signle-type transaction function) +// /* nothing */ +// //// USE flexible API (using multi-type transaction function) +// #define SERIAL_USE_MULTI_TRANSACTION +// +// ///////////////////////////////////////////////////////////////// -#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 -#define SERIAL_MASTER_BUFFER_LENGTH 1 +// Soft Serial Transaction Descriptor +typedef struct _SSTD_t { + uint8_t *status; + uint8_t initiator2target_buffer_size; + uint8_t *initiator2target_buffer; + uint8_t target2initiator_buffer_size; + uint8_t *target2initiator_buffer; +} SSTD_t; +#define TID_LIMIT( table ) (sizeof(table) / sizeof(SSTD_t)) -// Address location defines -#define SERIAL_BACKLIT_START 0x00 +// initiator is transaction start side +void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size); +// target is interrupt accept side +void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size); -// 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); +// initiator resullt +#define TRANSACTION_END 0 +#define TRANSACTION_NO_RESPONSE 0x1 +#define TRANSACTION_DATA_ERROR 0x2 +#define TRANSACTION_TYPE_ERROR 0x4 +#ifndef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_transaction(void); +#else +int soft_serial_transaction(int sstd_index); +#endif +// target status +// *SSTD_t.status has +// initiator: +// TRANSACTION_END +// or TRANSACTION_NO_RESPONSE +// or TRANSACTION_DATA_ERROR +// target: +// TRANSACTION_DATA_ERROR +// or TRANSACTION_ACCEPTED +#define TRANSACTION_ACCEPTED 0x8 +#ifdef SERIAL_USE_MULTI_TRANSACTION +int soft_serial_get_and_clean_status(int sstd_index); #endif diff --git a/quantum/split_common/split_flags.h b/quantum/split_common/split_flags.h index f101fff5b..aaac474a7 100644 --- a/quantum/split_common/split_flags.h +++ b/quantum/split_common/split_flags.h @@ -1,10 +1,9 @@ -#ifndef SPLIT_FLAGS_H -#define SPLIT_FLAGS_H +#pragma once #include <stdbool.h> #include <stdint.h> -/** +/** * Global Flags **/ @@ -14,7 +13,3 @@ extern volatile bool RGB_DIRTY; //Backlight Stuff extern volatile bool BACKLIT_DIRTY; - - - -#endif
\ No newline at end of file diff --git a/quantum/split_common/split_util.c b/quantum/split_common/split_util.c index 13b09d5b8..5095cb8fd 100644 --- a/quantum/split_common/split_util.c +++ b/quantum/split_common/split_util.c @@ -1,154 +1,87 @@ -#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" #include "timer.h" #include "split_flags.h" +#include "transport.h" +#include "quantum.h" -#ifdef RGBLIGHT_ENABLE -# include "rgblight.h" -#endif -#ifdef BACKLIGHT_ENABLE -# include "backlight.h" -#endif - -#ifdef SPLIT_HAND_PIN -# include "pincontrol.h" -#endif - -#if defined(USE_I2C) || defined(EH) -# include "i2c.h" -#else -# include "serial.h" +#ifdef EE_HANDS +# include "tmk_core/common/eeprom.h" +# include "eeconfig.h" #endif volatile bool isLeftHand = true; -volatile uint8_t setTries = 0; - -static void setup_handedness(void) { +__attribute__((weak)) +bool is_keyboard_left(void) { #ifdef SPLIT_HAND_PIN // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand - pinMode(SPLIT_HAND_PIN, PinDirectionInput); - isLeftHand = digitalRead(SPLIT_HAND_PIN); + setPinInput(SPLIT_HAND_PIN); + return readPin(SPLIT_HAND_PIN); #else #ifdef EE_HANDS - isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); + return 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(); + #ifdef MASTER_RIGHT + return !is_keyboard_master(); #else - isLeftHand = has_usb(); + return is_keyboard_master(); #endif #endif #endif } -static void keyboard_master_setup(void) { -#if defined(USE_I2C) || defined(EH) - i2c_master_init(); - #ifdef SSD1306OLED - matrix_master_OLED_init (); - #endif -#else - serial_master_init(); -#endif +bool is_keyboard_master(void) +{ +#ifdef __AVR__ + static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN; - // For master the Backlight info needs to be sent on startup - // Otherwise the salve won't start with the proper info until an update - BACKLIT_DIRTY = true; -} + // only check once, as this is called often + if (usbstate == UNKNOWN) + { + USBCON |= (1 << OTGPADE); // enables VBUS pad + wait_us(5); -static void keyboard_slave_setup(void) { - timer_init(); -#if defined(USE_I2C) || defined(EH) - i2c_slave_init(SLAVE_I2C_ADDRESS); + usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS + } + + return (usbstate == MASTER); #else - serial_slave_init(); + return true; #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(); +static void keyboard_master_setup(void) { +#if defined(USE_I2C) || defined(EH) + #ifdef SSD1306OLED + matrix_master_OLED_init (); + #endif +#endif + transport_master_init(); - if (has_usb()) { - keyboard_master_setup(); - } else { - keyboard_slave_setup(); - } - sei(); + // For master the Backlight info needs to be sent on startup + // Otherwise the salve won't start with the proper info until an update + BACKLIT_DIRTY = true; } -void keyboard_slave_loop(void) { - matrix_init(); - - //Init RGB - #ifdef RGBLIGHT_ENABLE - rgblight_init(); - #endif - - while (1) { - // Matrix Slave Scan - matrix_slave_scan(); - - // Read Backlight Info - #ifdef BACKLIGHT_ENABLE - if (BACKLIT_DIRTY) { - #ifdef USE_I2C - backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]); - #else // USE_SERIAL - backlight_set(serial_master_buffer[SERIAL_BACKLIT_START]); - #endif - BACKLIT_DIRTY = false; - } - #endif - // Read RGB Info - #ifdef RGBLIGHT_ENABLE - #ifdef USE_I2C - if (RGB_DIRTY) { - // Disable interupts (RGB data is big) - cli(); - // Create new DWORD for RGB data - uint32_t dword; - - // Fill the new DWORD with the data that was sent over - uint8_t *dword_dat = (uint8_t *)(&dword); - for (int i = 0; i < 4; i++) { - dword_dat[i] = i2c_slave_buffer[I2C_RGB_START+i]; - } - - // Update the RGB now with the new data and set RGB_DIRTY to false - rgblight_update_dword(dword); - RGB_DIRTY = false; - // Re-enable interupts now that RGB is set - sei(); - } - #else // USE_SERIAL - // Add serial implementation for RGB here - #endif - #endif - } +static void keyboard_slave_setup(void) +{ + transport_slave_init(); } // this code runs before the usb and keyboard is initialized -void matrix_setup(void) { - split_keyboard_setup(); - - if (!has_usb()) { - //rgblight_init(); - keyboard_slave_loop(); - } +void matrix_setup(void) +{ + isLeftHand = is_keyboard_left(); + + if (is_keyboard_master()) + { + keyboard_master_setup(); + } + else + { + keyboard_slave_setup(); + } } diff --git a/quantum/split_common/split_util.h b/quantum/split_common/split_util.h index d6cf3e72a..20f7535bf 100644 --- a/quantum/split_common/split_util.h +++ b/quantum/split_common/split_util.h @@ -1,23 +1,10 @@ -#ifndef SPLIT_KEYBOARD_UTIL_H -#define SPLIT_KEYBOARD_UTIL_H +#pragma once #include <stdbool.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> -#include "eeconfig.h" - -#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); - void matrix_master_OLED_init (void); - -#endif diff --git a/quantum/split_common/transport.c b/quantum/split_common/transport.c new file mode 100644 index 000000000..95738530e --- /dev/null +++ b/quantum/split_common/transport.c @@ -0,0 +1,224 @@ + +#include "config.h" +#include "matrix.h" +#include "quantum.h" + +#define ROWS_PER_HAND (MATRIX_ROWS/2) + +#ifdef RGBLIGHT_ENABLE +# include "rgblight.h" +#endif + +#ifdef BACKLIGHT_ENABLE +# include "backlight.h" + extern backlight_config_t backlight_config; +#endif + +#if defined(USE_I2C) || defined(EH) + +#include "i2c.h" + +#ifndef SLAVE_I2C_ADDRESS +# define SLAVE_I2C_ADDRESS 0x32 +#endif + +#if (MATRIX_COLS > 8) +# error "Currently only supports 8 COLS" +#endif + +// Get rows from other half over i2c +bool transport_master(matrix_row_t matrix[]) { + 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[i] = i2c_master_read(I2C_ACK); + } + matrix[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 false; + } + +#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 true; +} + +void transport_slave(matrix_row_t matrix[]) { + + for (int i = 0; i < ROWS_PER_HAND; ++i) + { + i2c_slave_buffer[I2C_KEYMAP_START + i] = matrix[i]; + } + // Read Backlight Info + #ifdef BACKLIGHT_ENABLE + if (BACKLIT_DIRTY) + { + backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]); + BACKLIT_DIRTY = false; + } + #endif + #ifdef RGBLIGHT_ENABLE + if (RGB_DIRTY) + { + // Disable interupts (RGB data is big) + cli(); + // Create new DWORD for RGB data + uint32_t dword; + + // Fill the new DWORD with the data that was sent over + uint8_t * dword_dat = (uint8_t *)(&dword); + for (int i = 0; i < 4; i++) + { + dword_dat[i] = i2c_slave_buffer[I2C_RGB_START + i]; + } + + // Update the RGB now with the new data and set RGB_DIRTY to false + rgblight_update_dword(dword); + RGB_DIRTY = false; + // Re-enable interupts now that RGB is set + sei(); + } + #endif +} + +void transport_master_init(void) { + i2c_master_init(); +} + +void transport_slave_init(void) { + i2c_slave_init(SLAVE_I2C_ADDRESS); +} + +#else // USE_SERIAL + +#include "serial.h" + +typedef struct _Serial_s2m_buffer_t { + // TODO: if MATRIX_COLS > 8 change to uint8_t packed_matrix[] for pack/unpack + matrix_row_t smatrix[ROWS_PER_HAND]; +} Serial_s2m_buffer_t; + +typedef struct _Serial_m2s_buffer_t { +#ifdef BACKLIGHT_ENABLE + uint8_t backlight_level; +#endif +#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT) + rgblight_config_t rgblight_config; //not yet use + // + // When MCUs on both sides drive their respective RGB LED chains, + // it is necessary to synchronize, so it is necessary to communicate RGB information. + // In that case, define the RGBLIGHT_SPLIT macro. + // + // Otherwise, if the master side MCU drives both sides RGB LED chains, + // there is no need to communicate. +#endif +} Serial_m2s_buffer_t; + +volatile Serial_s2m_buffer_t serial_s2m_buffer = {}; +volatile Serial_m2s_buffer_t serial_m2s_buffer = {}; +uint8_t volatile status0 = 0; + +SSTD_t transactions[] = { + { (uint8_t *)&status0, + sizeof(serial_m2s_buffer), (uint8_t *)&serial_m2s_buffer, + sizeof(serial_s2m_buffer), (uint8_t *)&serial_s2m_buffer + } +}; + +void transport_master_init(void) +{ soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); } + +void transport_slave_init(void) +{ soft_serial_target_init(transactions, TID_LIMIT(transactions)); } + +bool transport_master(matrix_row_t matrix[]) { + + if (soft_serial_transaction()) { + return false; + } + + // TODO: if MATRIX_COLS > 8 change to unpack() + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[i] = serial_s2m_buffer.smatrix[i]; + } + + #if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT) + // Code to send RGB over serial goes here (not implemented yet) + #endif + + #ifdef BACKLIGHT_ENABLE + // Write backlight level for slave to read + serial_m2s_buffer.backlight_level = backlight_config.enable ? backlight_config.level : 0; + #endif + + return true; +} + +void transport_slave(matrix_row_t matrix[]) { + + // TODO: if MATRIX_COLS > 8 change to pack() + for (int i = 0; i < ROWS_PER_HAND; ++i) + { + serial_s2m_buffer.smatrix[i] = matrix[i]; + } + #ifdef BACKLIGHT_ENABLE + backlight_set(serial_m2s_buffer.backlight_level); + #endif + #if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT) + // Add serial implementation for RGB here + #endif + +} + +#endif diff --git a/quantum/split_common/transport.h b/quantum/split_common/transport.h new file mode 100644 index 000000000..ccce57e44 --- /dev/null +++ b/quantum/split_common/transport.h @@ -0,0 +1,10 @@ +#pragma once + +#include <common/matrix.h> + +void transport_master_init(void); +void transport_slave_init(void); + +// returns false if valid data not received from slave +bool transport_master(matrix_row_t matrix[]); +void transport_slave(matrix_row_t matrix[]); |