diff options
Diffstat (limited to 'keyboards/dc01/left')
| -rw-r--r-- | keyboards/dc01/left/config.h | 8 | ||||
| -rw-r--r-- | keyboards/dc01/left/i2c.c | 159 | ||||
| -rw-r--r-- | keyboards/dc01/left/i2c.h | 28 | ||||
| -rw-r--r-- | keyboards/dc01/left/info.json | 8 |
4 files changed, 7 insertions, 196 deletions
diff --git a/keyboards/dc01/left/config.h b/keyboards/dc01/left/config.h index d5b2962590..ebcf4a0182 100644 --- a/keyboards/dc01/left/config.h +++ b/keyboards/dc01/left/config.h @@ -19,13 +19,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #include "config_common.h" -/* USB Device descriptor parameter */ -#define VENDOR_ID 0x8968 -#define PRODUCT_ID 0x1010 -#define DEVICE_VER 0x0001 -#define MANUFACTURER Mechboards -#define PRODUCT DC01 Left - /* key matrix size */ #define MATRIX_ROWS 5 #define MATRIX_COLS 21 @@ -43,7 +36,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #define MATRIX_ROW_PINS { B6, B5, B4, D7, D6 } #define MATRIX_COL_PINS { F4, F1, F0, F7, F6, F5, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN, NO_PIN } -#define UNUSED_PINS #define F_SCL 350000UL diff --git a/keyboards/dc01/left/i2c.c b/keyboards/dc01/left/i2c.c deleted file mode 100644 index c72789403e..0000000000 --- a/keyboards/dc01/left/i2c.c +++ /dev/null @@ -1,159 +0,0 @@ -#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" - -// 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); -} diff --git a/keyboards/dc01/left/i2c.h b/keyboards/dc01/left/i2c.h deleted file mode 100644 index 0d93e4ecaa..0000000000 --- a/keyboards/dc01/left/i2c.h +++ /dev/null @@ -1,28 +0,0 @@ -#pragma once - -#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 400000L - -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); diff --git a/keyboards/dc01/left/info.json b/keyboards/dc01/left/info.json index c2bc9337c5..f16677a44f 100644 --- a/keyboards/dc01/left/info.json +++ b/keyboards/dc01/left/info.json @@ -1,7 +1,13 @@ { - "keyboard_name": "DC01 Left Half", + "keyboard_name": "DC01 Left", + "manufacturer": "Mechboards", "url": "", "maintainer": "Yiancar-Designs", + "usb": { + "vid": "0x8968", + "pid": "0x1010", + "device_version": "0.0.1" + }, "layouts": { "LAYOUT_ansi": { "layout": [{"label":"Esc", "x":0, "y":0}, {"label":"!", "x":1, "y":0}, {"label":"\"", "x":2, "y":0}, {"label":"\u00a3", "x":3, "y":0}, {"label":"$", "x":4, "y":0}, {"label":"%", "x":5, "y":0}, {"label":"^", "x":6, "y":0}, {"label":"&", "x":7, "y":0}, {"label":"*", "x":8, "y":0}, {"label":"(", "x":9, "y":0}, {"label":")", "x":10, "y":0}, {"label":"_", "x":11, "y":0}, {"label":"+", "x":12, "y":0}, {"label":"Back", "x":13, "y":0}, {"label":"Del", "x":14, "y":0}, {"label":"Insert", "x":15.25, "y":0}, {"label":"Home", "x":16.25, "y":0}, {"label":"PgUp", "x":17.25, "y":0}, {"label":"Num Lock", "x":18.5, "y":0}, {"label":"/", "x":19.5, "y":0}, {"label":"*", "x":20.5, "y":0}, {"label":"-", "x":21.5, "y":0}, {"label":"Tab", "x":0, "y":1, "w":1.5}, {"label":"Q", "x":1.5, "y":1}, {"label":"W", "x":2.5, "y":1}, {"label":"E", "x":3.5, "y":1}, {"label":"R", "x":4.5, "y":1}, {"label":"T", "x":5.5, "y":1}, {"label":"Y", "x":6.5, "y":1}, {"label":"U", "x":7.5, "y":1}, {"label":"I", "x":8.5, "y":1}, {"label":"O", "x":9.5, "y":1}, {"label":"P", "x":10.5, "y":1}, {"label":"{", "x":11.5, "y":1}, {"label":"}", "x":12.5, "y":1}, {"label":"|", "x":13.5, "y":1, "w":1.5}, {"label":"Delete", "x":15.25, "y":1}, {"label":"End", "x":16.25, "y":1}, {"label":"PgDn", "x":17.25, "y":1}, {"label":"7", "x":18.5, "y":1}, {"label":"8", "x":19.5, "y":1}, {"label":"9", "x":20.5, "y":1}, {"label":"+", "x":21.5, "y":1}, {"label":"Caps Lock", "x":0, "y":2, "w":1.75}, {"label":"A", "x":1.75, "y":2}, {"label":"S", "x":2.75, "y":2}, {"label":"D", "x":3.75, "y":2}, {"label":"F", "x":4.75, "y":2}, {"label":"G", "x":5.75, "y":2}, {"label":"H", "x":6.75, "y":2}, {"label":"J", "x":7.75, "y":2}, {"label":"K", "x":8.75, "y":2}, {"label":"L", "x":9.75, "y":2}, {"label":":", "x":10.75, "y":2}, {"label":"@", "x":11.75, "y":2}, {"label":"Enter", "x":12.75, "y":2, "w":2.25}, {"label":"4", "x":18.5, "y":2}, {"label":"5", "x":19.5, "y":2}, {"label":"6", "x":20.5, "y":2}, {"label":"+", "x":21.5, "y":2}, {"label":"Shift", "x":0, "y":3, "w":2.25}, {"label":"Z", "x":2.25, "y":3}, {"label":"X", "x":3.25, "y":3}, {"label":"C", "x":4.25, "y":3}, {"label":"V", "x":5.25, "y":3}, {"label":"B", "x":6.25, "y":3}, {"label":"N", "x":7.25, "y":3}, {"label":"M", "x":8.25, "y":3}, {"label":"<", "x":9.25, "y":3}, {"label":">", "x":10.25, "y":3}, {"label":"?", "x":11.25, "y":3}, {"label":"Shift", "x":12.25, "y":3, "w":1.75}, {"label":"Shift", "x":14, "y":3}, {"label":"\u2191", "x":16.25, "y":3}, {"label":"1", "x":18.5, "y":3}, {"label":"2", "x":19.5, "y":3}, {"label":"3", "x":20.5, "y":3}, {"label":"Enter", "x":21.5, "y":3}, {"label":"Ctrl", "x":0, "y":4, "w":1.25}, {"label":"Win", "x":1.25, "y":4, "w":1.25}, {"label":"Alt", "x":2.5, "y":4, "w":1.25}, {"x":3.75, "y":4, "w":2.75}, {"label":"Fn", "x":6.5, "y":4, "w":1.25}, {"x":7.75, "y":4, "w":2.25}, {"label":"AltGr", "x":10, "y":4, "w":1.25}, {"label":"Win", "x":11.25, "y":4, "w":1.25}, {"label":"Menu", "x":12.5, "y":4, "w":1.25}, {"label":"Ctrl", "x":13.75, "y":4, "w":1.25}, {"label":"\u2190", "x":15.25, "y":4}, {"label":"\u2193", "x":16.25, "y":4}, {"label":"\u2192", "x":17.25, "y":4}, {"label":"0", "x":18.5, "y":4}, {"label":"00", "x":19.5, "y":4}, {"label":".", "x":20.5, "y":4}, {"label":"Enter", "x":21.5, "y":4}] |