forked from mirrors/qmk_firmware
Keyboard: [Fortitude60] LED fix and Serial improvement (#3982)
* arrangement Underglow * modified serial function references from helix * Remove defines (ws2812_*REG)
This commit is contained in:
Pekaso
Drashna Jaelre
parent
8ef747accf
commit
a65085a893
9 changed files with 422 additions and 152 deletions
|
|
@ -19,5 +19,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
#define CONFIG_H
|
||||
|
||||
#include "config_common.h"
|
||||
#include <serial_config.h>
|
||||
|
||||
#endif // CONFIG_H
|
||||
|
|
|
|||
|
|
@ -28,7 +28,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
// #define MASTER_RIGHT
|
||||
#define EE_HANDS
|
||||
|
||||
#define USE_SERIAL_PD2
|
||||
/* #undef RGBLED_NUM */
|
||||
/* #define RGBLIGHT_ANIMATIONS */
|
||||
/* #define RGBLED_NUM 12 */
|
||||
|
|
|
|||
|
|
@ -119,9 +119,9 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
|
|||
* ,-----------------------------------------. ,-----------------------------------------.
|
||||
* | ` | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Del |
|
||||
* |------+------+------+------+------+------. ,------+------+------+------+------+------|
|
||||
* | ` | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Bksp |
|
||||
* | ` | 1 | ↑ | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Bksp |
|
||||
* |------+------+------+------+------+------. ,------+------+------+------+------+------|
|
||||
* | Del | F1 | F2 | F3 | F4 | F5 | | F6 | - | = | [ | ] | | |
|
||||
* | Del | ← | ↓ | → | F4 | F5 | | F6 | - | = | [ | ] | | |
|
||||
* |------+------+------+------+------+------+-------------+------+------+------+------+------+------|
|
||||
* | | F7 | F8 | F9 | F10 | F11 | | | F12 |ISO # |ISO / | | | |
|
||||
* `-------------+------+------+------+------+------+------+------+------+------+------+-------------'
|
||||
|
|
|
|||
|
|
@ -1 +1,2 @@
|
|||
RGBLIGHT_ENABLE = no
|
||||
BACKLIGHT_ENABLE = no
|
||||
|
|
@ -64,12 +64,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
)
|
||||
|
||||
/* ws2812 RGB LED */
|
||||
/* #define RGB_DI_PIN D3 */
|
||||
/* #define RGBLIGHT_TIMER */
|
||||
/* #define RGBLED_NUM 16 // Number of LEDs */
|
||||
/* #define ws2812_PORTREG PORTD */
|
||||
/* #define ws2812_DDRREG DDRD */
|
||||
|
||||
#ifdef RGBLIGHT_ENABLE
|
||||
#define RGB_DI_PIN B5
|
||||
#define RGBLIGHT_TIMER
|
||||
#define RGBLED_NUM 18 // Number of LEDs */
|
||||
#endif
|
||||
/*
|
||||
* Feature disable options
|
||||
* These options are also useful to firmware size reduction.
|
||||
|
|
|
|||
|
|
@ -1 +0,0 @@
|
|||
BACKLIGHT_ENABLE = yes
|
||||
|
|
@ -9,34 +9,128 @@
|
|||
#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>
|
||||
|
||||
#ifndef USE_I2C
|
||||
#ifdef USE_SERIAL
|
||||
|
||||
// Serial pulse period in microseconds. Its probably a bad idea to lower this
|
||||
// value.
|
||||
#define SERIAL_DELAY 24
|
||||
#ifndef SERIAL_USE_MULTI_TRANSACTION
|
||||
/* --- USE Simple API (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;
|
||||
|
||||
uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
|
||||
uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {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
|
||||
}
|
||||
};
|
||||
|
||||
#define SLAVE_DATA_CORRUPT (1<<0)
|
||||
volatile uint8_t status = 0;
|
||||
void serial_master_init(void)
|
||||
{ soft_serial_initiator_init(transactions); }
|
||||
|
||||
void serial_slave_init(void)
|
||||
{ soft_serial_target_init(transactions); }
|
||||
|
||||
// 0 => no error
|
||||
// 1 => slave did not respond
|
||||
// 2 => checksum error
|
||||
int serial_update_buffers()
|
||||
{ return soft_serial_transaction(); }
|
||||
|
||||
#endif // Simple API (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)
|
||||
|
||||
// Serial pulse period in microseconds.
|
||||
#define TID_SEND_ADJUST 14
|
||||
|
||||
#define SELECT_SERIAL_SPEED 1
|
||||
#if SELECT_SERIAL_SPEED == 0
|
||||
// Very High speed
|
||||
#define SERIAL_DELAY 4 // micro sec
|
||||
#define READ_WRITE_START_ADJUST 33 // cycles
|
||||
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
|
||||
#elif SELECT_SERIAL_SPEED == 1
|
||||
// High speed
|
||||
#define SERIAL_DELAY 6 // micro sec
|
||||
#define READ_WRITE_START_ADJUST 30 // cycles
|
||||
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
|
||||
#elif SELECT_SERIAL_SPEED == 2
|
||||
// Middle speed
|
||||
#define SERIAL_DELAY 12 // micro sec
|
||||
#define READ_WRITE_START_ADJUST 30 // cycles
|
||||
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
|
||||
#elif SELECT_SERIAL_SPEED == 3
|
||||
// Low speed
|
||||
#define SERIAL_DELAY 24 // micro sec
|
||||
#define READ_WRITE_START_ADJUST 30 // cycles
|
||||
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
|
||||
#elif SELECT_SERIAL_SPEED == 4
|
||||
// Very Low speed
|
||||
#define SERIAL_DELAY 50 // micro sec
|
||||
#define READ_WRITE_START_ADJUST 30 // cycles
|
||||
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
|
||||
#else
|
||||
#error Illegal Serial Speed
|
||||
#endif
|
||||
|
||||
|
||||
#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;
|
||||
|
||||
inline static
|
||||
void serial_delay(void) {
|
||||
_delay_us(SERIAL_DELAY);
|
||||
}
|
||||
|
||||
inline static
|
||||
void serial_delay_half1(void) {
|
||||
_delay_us(SERIAL_DELAY_HALF1);
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
|
@ -46,190 +140,305 @@ 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)
|
||||
{
|
||||
Transaction_table = sstd_table;
|
||||
serial_output();
|
||||
serial_high();
|
||||
}
|
||||
|
||||
void serial_slave_init(void) {
|
||||
serial_input();
|
||||
void soft_serial_target_init(SSTD_t *sstd_table)
|
||||
{
|
||||
Transaction_table = sstd_table;
|
||||
serial_input_with_pullup();
|
||||
|
||||
#ifndef USE_SERIAL_PD2
|
||||
// Enable INT0
|
||||
EIMSK |= _BV(INT0);
|
||||
// Trigger on falling edge of INT0
|
||||
EICRA &= ~(_BV(ISC00) | _BV(ISC01));
|
||||
#if SERIAL_PIN_MASK == _BV(PD0)
|
||||
// Enable INT0
|
||||
EIMSK |= _BV(INT0);
|
||||
// Trigger on falling edge of INT0
|
||||
EICRA &= ~(_BV(ISC00) | _BV(ISC01));
|
||||
#elif SERIAL_PIN_MASK == _BV(PD2)
|
||||
// Enable INT2
|
||||
EIMSK |= _BV(INT2);
|
||||
// Trigger on falling edge of INT2
|
||||
EICRA &= ~(_BV(ISC20) | _BV(ISC21));
|
||||
#else
|
||||
// Enable INT2
|
||||
EIMSK |= _BV(INT2);
|
||||
// Trigger on falling edge of INT2
|
||||
EICRA &= ~(_BV(ISC20) | _BV(ISC21));
|
||||
#error unknown SERIAL_PIN_MASK value
|
||||
#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 = 0; 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 = 0, 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);
|
||||
}
|
||||
}
|
||||
|
||||
// interrupt handle to be used by the slave device
|
||||
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
|
||||
}
|
||||
|
||||
// interrupt handle to be used by the target device
|
||||
ISR(SERIAL_PIN_INTERRUPT) {
|
||||
sync_send();
|
||||
|
||||
uint8_t checksum = 0;
|
||||
for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
|
||||
serial_write_byte(serial_slave_buffer[i]);
|
||||
sync_send();
|
||||
checksum += serial_slave_buffer[i];
|
||||
}
|
||||
serial_write_byte(checksum);
|
||||
sync_send();
|
||||
#ifndef SERIAL_USE_MULTI_TRANSACTION
|
||||
serial_low();
|
||||
serial_output();
|
||||
SSTD_t *trans = Transaction_table;
|
||||
#else
|
||||
// recive transaction table index
|
||||
uint8_t tid;
|
||||
uint8_t pecount = 0;
|
||||
sync_recv();
|
||||
tid = serial_read_chunk(&pecount,4);
|
||||
if(pecount> 0)
|
||||
return;
|
||||
serial_delay_half1();
|
||||
|
||||
// wait for the sync to finish sending
|
||||
serial_delay();
|
||||
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
|
||||
|
||||
// read the middle of pulses
|
||||
_delay_us(SERIAL_DELAY/2);
|
||||
// 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();
|
||||
|
||||
uint8_t checksum_computed = 0;
|
||||
for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
|
||||
serial_master_buffer[i] = serial_read_byte();
|
||||
sync_send();
|
||||
checksum_computed += serial_master_buffer[i];
|
||||
}
|
||||
uint8_t checksum_received = serial_read_byte();
|
||||
sync_send();
|
||||
|
||||
serial_input(); // end transaction
|
||||
|
||||
if ( checksum_computed != checksum_received ) {
|
||||
status |= SLAVE_DATA_CORRUPT;
|
||||
// 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;
|
||||
}
|
||||
|
||||
sync_recv(); //weit initiator output to high
|
||||
}
|
||||
|
||||
inline
|
||||
bool serial_slave_DATA_CORRUPT(void) {
|
||||
return status & SLAVE_DATA_CORRUPT;
|
||||
}
|
||||
|
||||
// Copies the serial_slave_buffer to the master and sends the
|
||||
// serial_master_buffer to the slave.
|
||||
/////////
|
||||
// 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) {
|
||||
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();
|
||||
#else
|
||||
// send transaction table index
|
||||
sync_send();
|
||||
_delay_sub_us(TID_SEND_ADJUST);
|
||||
serial_write_chunk(sstd_index, 4);
|
||||
serial_delay_half1();
|
||||
|
||||
uint8_t checksum_computed = 0;
|
||||
// receive data from the slave
|
||||
for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
|
||||
serial_slave_buffer[i] = serial_read_byte();
|
||||
sync_recv();
|
||||
checksum_computed += serial_slave_buffer[i];
|
||||
}
|
||||
uint8_t checksum_received = serial_read_byte();
|
||||
sync_recv();
|
||||
|
||||
if (checksum_computed != checksum_received) {
|
||||
sei();
|
||||
return 2;
|
||||
// wait for the target response (step1 low->high)
|
||||
serial_input_with_pullup();
|
||||
while( !serial_read_pin() ) {
|
||||
_delay_sub_us(2);
|
||||
}
|
||||
|
||||
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];
|
||||
// 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);
|
||||
}
|
||||
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
|
||||
|
|
@ -1,32 +1,80 @@
|
|||
#ifndef MY_SERIAL_H
|
||||
#define MY_SERIAL_H
|
||||
#ifndef SOFT_SERIAL_H
|
||||
#define SOFT_SERIAL_H
|
||||
|
||||
#include "config.h"
|
||||
#include <stdbool.h>
|
||||
|
||||
/* TODO: some defines for interrupt setup */
|
||||
#define SERIAL_PIN_DDR DDRD
|
||||
#define SERIAL_PIN_PORT PORTD
|
||||
#define SERIAL_PIN_INPUT PIND
|
||||
// /////////////////////////////////////////////////////////////////
|
||||
// Need Soft Serial defines in serial_config.h
|
||||
// /////////////////////////////////////////////////////////////////
|
||||
// ex.
|
||||
// #define SERIAL_PIN_DDR DDRD
|
||||
// #define SERIAL_PIN_PORT PORTD
|
||||
// #define SERIAL_PIN_INPUT PIND
|
||||
// #define SERIAL_PIN_MASK _BV(PD?) ?=0,2
|
||||
// #define SERIAL_PIN_INTERRUPT INT?_vect ?=0,2
|
||||
//
|
||||
// //// USE Simple API (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 flexible API (using multi-type transaction function)
|
||||
// #define SERIAL_USE_MULTI_TRANSACTION
|
||||
//
|
||||
// /////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef USE_SERIAL_PD2
|
||||
#define SERIAL_PIN_MASK _BV(PD0)
|
||||
#define SERIAL_PIN_INTERRUPT INT0_vect
|
||||
#else
|
||||
#define SERIAL_PIN_MASK _BV(PD2)
|
||||
#define SERIAL_PIN_INTERRUPT INT2_vect
|
||||
#endif
|
||||
|
||||
#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
|
||||
#define SERIAL_MASTER_BUFFER_LENGTH 1
|
||||
|
||||
// Buffers for master - slave communication
|
||||
#ifndef SERIAL_USE_MULTI_TRANSACTION
|
||||
/* --- USE Simple API (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);
|
||||
bool serial_slave_data_corrupt(void);
|
||||
|
||||
#endif // USE Simple 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;
|
||||
|
||||
// initiator is transaction start side
|
||||
void soft_serial_initiator_init(SSTD_t *sstd_table);
|
||||
// target is interrupt accept side
|
||||
void soft_serial_target_init(SSTD_t *sstd_table);
|
||||
|
||||
// initiator resullt
|
||||
#define TRANSACTION_END 0
|
||||
#define TRANSACTION_NO_RESPONSE 0x1
|
||||
#define TRANSACTION_DATA_ERROR 0x2
|
||||
#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 0x4
|
||||
#ifdef SERIAL_USE_MULTI_TRANSACTION
|
||||
int soft_serial_get_and_clean_status(int sstd_index);
|
||||
#endif
|
||||
|
||||
#endif /* SOFT_SERIAL_H */
|
||||
14
keyboards/fortitude60/serial_config.h
Normal file
14
keyboards/fortitude60/serial_config.h
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
#ifndef SOFT_SERIAL_CONFIG_H
|
||||
#define SOFT_SERIAL_CONFIG_H
|
||||
|
||||
/* Soft Serial defines */
|
||||
#define SERIAL_PIN_DDR DDRD
|
||||
#define SERIAL_PIN_PORT PORTD
|
||||
#define SERIAL_PIN_INPUT PIND
|
||||
#define SERIAL_PIN_MASK _BV(PD2)
|
||||
#define SERIAL_PIN_INTERRUPT INT2_vect
|
||||
|
||||
#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
|
||||
#define SERIAL_MASTER_BUFFER_LENGTH 1
|
||||
|
||||
#endif /* SOFT_SERIAL_CONFIG_H */
|
||||
Loading…
Reference in a new issue