diff options
Diffstat (limited to 'keyboards/helix/local_drivers')
| -rw-r--r-- | keyboards/helix/local_drivers/i2c.c | 159 | ||||
| -rw-r--r-- | keyboards/helix/local_drivers/i2c.h | 46 | ||||
| -rw-r--r-- | keyboards/helix/local_drivers/serial.c | 589 | ||||
| -rw-r--r-- | keyboards/helix/local_drivers/serial.h | 86 | ||||
| -rw-r--r-- | keyboards/helix/local_drivers/ssd1306.c | 341 | ||||
| -rw-r--r-- | keyboards/helix/local_drivers/ssd1306.h | 89 |
6 files changed, 0 insertions, 1310 deletions
diff --git a/keyboards/helix/local_drivers/i2c.c b/keyboards/helix/local_drivers/i2c.c deleted file mode 100644 index 9221429e96..0000000000 --- a/keyboards/helix/local_drivers/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 or 400kHz (see ./i2c.h SCL_CLOCK) -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/helix/local_drivers/i2c.h b/keyboards/helix/local_drivers/i2c.h deleted file mode 100644 index 710662c7ab..0000000000 --- a/keyboards/helix/local_drivers/i2c.h +++ /dev/null @@ -1,46 +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 400kHz -#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); - - -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(); diff --git a/keyboards/helix/local_drivers/serial.c b/keyboards/helix/local_drivers/serial.c deleted file mode 100644 index 674c42d593..0000000000 --- a/keyboards/helix/local_drivers/serial.c +++ /dev/null @@ -1,589 +0,0 @@ -/* - * 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 -#define F_CPU 16000000 -#endif - -#include <avr/io.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include <stddef.h> -#include <stdbool.h> -#include "serial.h" - -#ifdef SOFT_SERIAL_PIN - -#ifdef __AVR_ATmega32U4__ - // if using ATmega32U4 I2C, can not use PD0 and PD1 in soft serial. - #ifdef USE_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 - -//////////////// for backward compatibility //////////////////////////////// -#if !defined(SERIAL_USE_SINGLE_TRANSACTION) && !defined(SERIAL_USE_MULTI_TRANSACTION) -/* --- USE OLD API (compatible with let's split serial.c) */ - #if SERIAL_SLAVE_BUFFER_LENGTH > 0 - uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; - #endif - #if SERIAL_MASTER_BUFFER_LENGTH > 0 - uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; - #endif - uint8_t volatile status0 = 0; - -SSTD_t transactions[] = { - { (uint8_t *)&status0, - #if SERIAL_MASTER_BUFFER_LENGTH > 0 - sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer, - #else - 0, (uint8_t *)NULL, - #endif - #if SERIAL_SLAVE_BUFFER_LENGTH > 0 - sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer - #else - 0, (uint8_t *)NULL, - #endif - } -}; - -void serial_master_init(void) -{ soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); } - -void serial_slave_init(void) -{ soft_serial_target_init(transactions, TID_LIMIT(transactions)); } - -// 0 => no error -// 1 => slave did not respond -// 2 => checksum error -int serial_update_buffers() -{ - int result; - result = soft_serial_transaction(); - return result; -} - -#endif // end of OLD API (compatible with let's split serial.c) -//////////////////////////////////////////////////////////////////////////// - -#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 -// 1: about 137kbps (default) -// 2: about 75kbps -// 3: about 39kbps -// 4: about 26kbps -// 5: about 20kbps -#endif - -#if __GNUC__ < 6 - #define TID_SEND_ADJUST 14 -#else - #define TID_SEND_ADJUST 2 -#endif - -#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 - -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_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 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 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 sender to synchronize timing with the reciver. -static void sync_recv(void) NO_INLINE; -static -void sync_recv(void) { - 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()); -} - -// 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_low(); - serial_delay(); - serial_high(); -} - -// Reads a byte from the serial line -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 -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(); - - serial_low(); // sync_send() / senc_recv() need raise edge -} - -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(); - serial_write_chunk(data,8); - } -} - -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; -} - -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 -} - -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; - } - serial_delay_half1(); - - 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 - - // 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 { - *trans->status = TRANSACTION_ACCEPTED; - } - - sync_recv(); //weit initiator output to high -} - -///////// -// start transaction by initiator -// -// int soft_serial_transaction(int sstd_index) -// -// Returns: -// 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 target that we want to start a transaction - serial_output(); - serial_low(); - _delay_us(SLAVE_INT_WIDTH_US); - -#ifndef SERIAL_USE_MULTI_TRANSACTION - // wait for the target response - serial_input_with_pullup(); - _delay_us(SLAVE_INT_RESPONSE_TIME); - - // check if the target is present - if (serial_read_pin()) { - // target failed to pull the line low, assume not present - serial_output(); - serial_high(); - *trans->status = TRANSACTION_NO_RESPONSE; - sei(); - return TRANSACTION_NO_RESPONSE; - } - -#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); - } - - // 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 - - // 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); - } - - // always, release the line when not in use - sync_send(); - - *trans->status = TRANSACTION_END; - sei(); - 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) diff --git a/keyboards/helix/local_drivers/serial.h b/keyboards/helix/local_drivers/serial.h deleted file mode 100644 index b4dcdafe57..0000000000 --- a/keyboards/helix/local_drivers/serial.h +++ /dev/null @@ -1,86 +0,0 @@ -#pragma once - -#include <stdbool.h> - -// ///////////////////////////////////////////////////////////////// -// 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 OLD API (compatible with let's split serial.c) -// ex. -// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 -// #define SERIAL_MASTER_BUFFER_LENGTH 1 -// -// //// USE NEW API -// //// USE simple API (using signle-type transaction function) -// #define SERIAL_USE_SINGLE_TRANSACTION -// //// USE flexible API (using multi-type transaction function) -// #define SERIAL_USE_MULTI_TRANSACTION -// -// ///////////////////////////////////////////////////////////////// - - -//////////////// for backward compatibility //////////////////////////////// -#if !defined(SERIAL_USE_SINGLE_TRANSACTION) && !defined(SERIAL_USE_MULTI_TRANSACTION) -/* --- USE OLD API (compatible with let's split serial.c) */ - #if SERIAL_SLAVE_BUFFER_LENGTH > 0 - extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH]; - #endif - #if SERIAL_MASTER_BUFFER_LENGTH > 0 - extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH]; - #endif - - void serial_master_init(void); - void serial_slave_init(void); - int serial_update_buffers(void); - -#endif // end of USE OLD API -//////////////////////////////////////////////////////////////////////////// - -// 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)) - -// 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); - -// 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/keyboards/helix/local_drivers/ssd1306.c b/keyboards/helix/local_drivers/ssd1306.c deleted file mode 100644 index 1cfb38037c..0000000000 --- a/keyboards/helix/local_drivers/ssd1306.c +++ /dev/null @@ -1,341 +0,0 @@ - -#ifdef SSD1306OLED - -#include "ssd1306.h" -#include "i2c.h" -#include <string.h> -#include "print.h" -#ifndef LOCAL_GLCDFONT -#include "common/glcdfont.c" -#else -#include "helixfont.h" -#endif -#ifdef PROTOCOL_LUFA -#include "lufa.h" -#endif -#include "sendchar.h" -#include "timer.h" - -struct CharacterMatrix display; - -// Set this to 1 to help diagnose early startup problems -// when testing power-on with ble. Turn it off otherwise, -// as the latency of printing most of the debug info messes -// with the matrix scan, causing keys to drop. -#define DEBUG_TO_SCREEN 0 - -//static uint16_t last_battery_update; -//static uint32_t vbat; -//#define BatteryUpdateInterval 10000 /* milliseconds */ - -// 'last_flush' is declared as uint16_t, -// so this must be less than 65535 -#define ScreenOffInterval 60000 /* milliseconds */ -#if DEBUG_TO_SCREEN -static uint8_t displaying; -#endif -static uint16_t last_flush; - -static bool force_dirty = true; - -// Write command sequence. -// Returns true on success. -static inline bool _send_cmd1(uint8_t cmd) { - bool res = false; - - if (i2c_start_write(SSD1306_ADDRESS)) { - xprintf("failed to start write to %d\n", SSD1306_ADDRESS); - goto done; - } - - if (i2c_master_write(0x0 /* command byte follows */)) { - print("failed to write control byte\n"); - - goto done; - } - - if (i2c_master_write(cmd)) { - xprintf("failed to write command %d\n", cmd); - goto done; - } - res = true; -done: - i2c_master_stop(); - return res; -} - -// Write 2-byte command sequence. -// Returns true on success -static inline bool _send_cmd2(uint8_t cmd, uint8_t opr) { - if (!_send_cmd1(cmd)) { - return false; - } - return _send_cmd1(opr); -} - -// Write 3-byte command sequence. -// Returns true on success -static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) { - if (!_send_cmd1(cmd)) { - return false; - } - if (!_send_cmd1(opr1)) { - return false; - } - return _send_cmd1(opr2); -} - -#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;} -#define send_cmd2(c,o) if (!_send_cmd2(c,o)) {goto done;} -#define send_cmd3(c,o1,o2) if (!_send_cmd3(c,o1,o2)) {goto done;} - -static void clear_display(void) { - matrix_clear(&display); - - // Clear all of the display bits (there can be random noise - // in the RAM on startup) - send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1); - send_cmd3(ColumnAddr, 0, DisplayWidth - 1); - - if (i2c_start_write(SSD1306_ADDRESS)) { - goto done; - } - if (i2c_master_write(0x40)) { - // Data mode - goto done; - } - for (uint8_t row = 0; row < MatrixRows; ++row) { - for (uint8_t col = 0; col < DisplayWidth; ++col) { - i2c_master_write(0); - } - } - - display.dirty = false; - -done: - i2c_master_stop(); -} - -#if DEBUG_TO_SCREEN -#undef sendchar -static int8_t capture_sendchar(uint8_t c) { - sendchar(c); - iota_gfx_write_char(c); - - if (!displaying) { - iota_gfx_flush(); - } - return 0; -} -#endif - -bool iota_gfx_init(bool rotate) { - bool success = false; - - i2c_master_init(); - send_cmd1(DisplayOff); - send_cmd2(SetDisplayClockDiv, 0x80); - send_cmd2(SetMultiPlex, DisplayHeight - 1); - - send_cmd2(SetDisplayOffset, 0); - - - send_cmd1(SetStartLine | 0x0); - send_cmd2(SetChargePump, 0x14 /* Enable */); - send_cmd2(SetMemoryMode, 0 /* horizontal addressing */); - - if(rotate){ - // the following Flip the display orientation 180 degrees - send_cmd1(SegRemap); - send_cmd1(ComScanInc); - }else{ - // Flips the display orientation 0 degrees - send_cmd1(SegRemap | 0x1); - send_cmd1(ComScanDec); - } - - send_cmd2(SetComPins, 0x2); - send_cmd2(SetContrast, 0x8f); - send_cmd2(SetPreCharge, 0xf1); - send_cmd2(SetVComDetect, 0x40); - send_cmd1(DisplayAllOnResume); - send_cmd1(NormalDisplay); - send_cmd1(DeActivateScroll); - send_cmd1(DisplayOn); - - send_cmd2(SetContrast, 0); // Dim - - clear_display(); - - success = true; - - iota_gfx_flush(); - -#if DEBUG_TO_SCREEN - print_set_sendchar(capture_sendchar); -#endif - -done: - return success; -} - -bool iota_gfx_off(void) { - bool success = false; - - send_cmd1(DisplayOff); - success = true; - -done: - return success; -} - -bool iota_gfx_on(void) { - bool success = false; - - send_cmd1(DisplayOn); - success = true; - -done: - return success; -} - -void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) { - *matrix->cursor = c; - ++matrix->cursor; - - if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) { - // We went off the end; scroll the display upwards by one line - memmove(&matrix->display[0], &matrix->display[1], - MatrixCols * (MatrixRows - 1)); - matrix->cursor = &matrix->display[MatrixRows - 1][0]; - memset(matrix->cursor, ' ', MatrixCols); - } -} - -void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) { - matrix->dirty = true; - - if (c == '\n') { - // Clear to end of line from the cursor and then move to the - // start of the next line - uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols; - - while (cursor_col++ < MatrixCols) { - matrix_write_char_inner(matrix, ' '); - } - return; - } - - matrix_write_char_inner(matrix, c); -} - -void iota_gfx_write_char(uint8_t c) { - matrix_write_char(&display, c); -} - -void matrix_write(struct CharacterMatrix *matrix, const char *data) { - const char *end = data + strlen(data); - while (data < end) { - matrix_write_char(matrix, *data); - ++data; - } -} - -void iota_gfx_write(const char *data) { - matrix_write(&display, data); -} - -void matrix_write_P(struct CharacterMatrix *matrix, const char *data) { - while (true) { - uint8_t c = pgm_read_byte(data); - if (c == 0) { - return; - } - matrix_write_char(matrix, c); - ++data; - } -} - -void iota_gfx_write_P(const char *data) { - matrix_write_P(&display, data); -} - -void matrix_clear(struct CharacterMatrix *matrix) { - memset(matrix->display, ' ', sizeof(matrix->display)); - matrix->cursor = &matrix->display[0][0]; - matrix->dirty = true; -} - -void iota_gfx_clear_screen(void) { - matrix_clear(&display); -} - -void matrix_render(struct CharacterMatrix *matrix) { - last_flush = timer_read(); - iota_gfx_on(); -#if DEBUG_TO_SCREEN - ++displaying; -#endif - - // Move to the home position - send_cmd3(PageAddr, 0, MatrixRows - 1); - send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1); - - if (i2c_start_write(SSD1306_ADDRESS)) { - goto done; - } - if (i2c_master_write(0x40)) { - // Data mode - goto done; - } - - for (uint8_t row = 0; row < MatrixRows; ++row) { - for (uint8_t col = 0; col < MatrixCols; ++col) { - const uint8_t *glyph = font + (matrix->display[row][col] * FontWidth); - - for (uint8_t glyphCol = 0; glyphCol < FontWidth; ++glyphCol) { - uint8_t colBits = pgm_read_byte(glyph + glyphCol); - i2c_master_write(colBits); - } - - // 1 column of space between chars (it's not included in the glyph) - //i2c_master_write(0); - } - } - - matrix->dirty = false; - -done: - i2c_master_stop(); -#if DEBUG_TO_SCREEN - --displaying; -#endif -} - -void iota_gfx_flush(void) { - matrix_render(&display); -} - -__attribute__ ((weak)) -void iota_gfx_task_user(void) { -} - -void iota_gfx_task(void) { - iota_gfx_task_user(); - - if (display.dirty|| force_dirty) { - iota_gfx_flush(); - force_dirty = false; - } - - if (timer_elapsed(last_flush) > ScreenOffInterval) { - iota_gfx_off(); - } -} - -bool process_record_gfx(uint16_t keycode, keyrecord_t *record) { - force_dirty = true; - return true; -} - -#endif diff --git a/keyboards/helix/local_drivers/ssd1306.h b/keyboards/helix/local_drivers/ssd1306.h deleted file mode 100644 index a7527f4ebc..0000000000 --- a/keyboards/helix/local_drivers/ssd1306.h +++ /dev/null @@ -1,89 +0,0 @@ -#pragma once - -#include <stdbool.h> -#include <stdio.h> -#include "action.h" - -enum ssd1306_cmds { - DisplayOff = 0xAE, - DisplayOn = 0xAF, - - SetContrast = 0x81, - DisplayAllOnResume = 0xA4, - - DisplayAllOn = 0xA5, - NormalDisplay = 0xA6, - InvertDisplay = 0xA7, - SetDisplayOffset = 0xD3, - SetComPins = 0xda, - SetVComDetect = 0xdb, - SetDisplayClockDiv = 0xD5, - SetPreCharge = 0xd9, - SetMultiPlex = 0xa8, - SetLowColumn = 0x00, - SetHighColumn = 0x10, - SetStartLine = 0x40, - - SetMemoryMode = 0x20, - ColumnAddr = 0x21, - PageAddr = 0x22, - - ComScanInc = 0xc0, - ComScanDec = 0xc8, - SegRemap = 0xa0, - SetChargePump = 0x8d, - ExternalVcc = 0x01, - SwitchCapVcc = 0x02, - - ActivateScroll = 0x2f, - DeActivateScroll = 0x2e, - SetVerticalScrollArea = 0xa3, - RightHorizontalScroll = 0x26, - LeftHorizontalScroll = 0x27, - VerticalAndRightHorizontalScroll = 0x29, - VerticalAndLeftHorizontalScroll = 0x2a, -}; - -// Controls the SSD1306 128x32 OLED display via i2c - -#ifndef SSD1306_ADDRESS -#define SSD1306_ADDRESS 0x3C -#endif - -#define DisplayHeight 32 -#define DisplayWidth 128 - -#define FontHeight 8 -#define FontWidth 6 - -#define MatrixRows (DisplayHeight / FontHeight) -#define MatrixCols (DisplayWidth / FontWidth) - -struct CharacterMatrix { - uint8_t display[MatrixRows][MatrixCols]; - uint8_t *cursor; - bool dirty; -}; - -extern struct CharacterMatrix display; - -bool iota_gfx_init(bool rotate); -void iota_gfx_task(void); -bool iota_gfx_off(void); -bool iota_gfx_on(void); -void iota_gfx_flush(void); -void iota_gfx_write_char(uint8_t c); -void iota_gfx_write(const char *data); -void iota_gfx_write_P(const char *data); -void iota_gfx_clear_screen(void); - -void iota_gfx_task_user(void); - -void matrix_clear(struct CharacterMatrix *matrix); -void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c); -void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c); -void matrix_write(struct CharacterMatrix *matrix, const char *data); -void matrix_write_P(struct CharacterMatrix *matrix, const char *data); -void matrix_render(struct CharacterMatrix *matrix); - -bool process_record_gfx(uint16_t keycode, keyrecord_t *record); |