#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_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
-#ifdef USE_SERIAL
+#else
+ #error serial.c now support ATmega32U4 only
+#endif
+
+#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;
+
+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 // 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 SELECT_SERIAL_SPEED 1
-#if SELECT_SERIAL_SPEED == 0
+// 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
+
+#define TID_SEND_ADJUST 2
+
+#if SELECT_SOFT_SERIAL_SPEED == 0
// Very High speed
#define SERIAL_DELAY 4 // micro sec
- #define READ_WRITE_START_ADJUST 30 // cycles
- #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 1
+ #define READ_WRITE_START_ADJUST 33 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 6 // cycles
+#elif SELECT_SOFT_SERIAL_SPEED == 1
// High speed
#define SERIAL_DELAY 6 // micro sec
- #define READ_WRITE_START_ADJUST 23 // cycles
- #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 2
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+#elif SELECT_SOFT_SERIAL_SPEED == 2
// Middle speed
#define SERIAL_DELAY 12 // micro sec
- #define READ_WRITE_START_ADJUST 25 // cycles
- #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 3
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+#elif SELECT_SOFT_SERIAL_SPEED == 3
// Low speed
#define SERIAL_DELAY 24 // micro sec
- #define READ_WRITE_START_ADJUST 25 // cycles
- #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 4
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+#elif SELECT_SOFT_SERIAL_SPEED == 4
// Very Low speed
- #define SERIAL_DELAY 50 // micro sec
- #define READ_WRITE_START_ADJUST 25 // cycles
- #define READ_WRITE_WIDTH_ADJUST 10 // cycles
+ #define SERIAL_DELAY 36 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+#elif SELECT_SOFT_SERIAL_SPEED == 5
+ // Ultra Low speed
+ #define SERIAL_DELAY 48 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
#else
-#error Illegal Serial Speed
-#endif
-
+#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 1
-#define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY
-
-uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
-uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+#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) {
_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;
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_with_pullup();
-
-#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));
+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
- #error unknown SERIAL_PIN_MASK value
+ // 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 (int i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) {
+ for (uint8_t i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) {
}
- // This shouldn't hang if the slave disconnects because the
- // serial line will float to high if the slave does disconnect.
+ // 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();
}
// Reads a byte from the serial line
-static
-uint8_t serial_read_byte(void) {
- uint8_t byte = 0;
+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 ( uint8_t i = 0; i < 8; ++i) {
- serial_delay_half1(); // read the middle of pulses
- byte = (byte << 1) | serial_read_pin();
- _delay_sub_us(READ_WRITE_WIDTH_ADJUST);
- serial_delay_half2();
+ 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 = 1<<7;
- while( b ) {
- if(data & 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();
}
- b >>= 1;
+ /* send parity bit */
+ if(p & 1) { serial_high(); }
+ else { serial_low(); }
serial_delay();
- }
- serial_low(); // sync_send() / senc_recv() need raise edge
-}
-// interrupt handle to be used by the slave device
-ISR(SERIAL_PIN_INTERRUPT) {
- serial_output();
+ serial_low(); // sync_send() / senc_recv() need raise edge
+}
- // slave send phase
- uint8_t checksum = 0;
- for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++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();
- serial_write_byte(serial_slave_buffer[i]);
- checksum += serial_slave_buffer[i];
+ serial_write_chunk(data,8);
}
- sync_send();
- serial_write_byte(checksum);
-
- // slave switch to input
- sync_send(); //0
- serial_delay_half1(); //1
- serial_low(); //2
- serial_input_with_pullup(); //2
- serial_delay_half1(); //3
-
- // slave recive phase
- uint8_t checksum_computed = 0;
- for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
+}
+
+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();
- serial_master_buffer[i] = serial_read_byte();
- checksum_computed += serial_master_buffer[i];
+ 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();
- uint8_t checksum_received = serial_read_byte();
+ 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();
- if ( checksum_computed != checksum_received ) {
- status |= SLAVE_DATA_CORRUPT;
+ 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 {
- status &= ~SLAVE_DATA_CORRUPT;
+ *trans->status = TRANSACTION_ACCEPTED;
}
- sync_recv(); //weit master output to high
+ 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
-// 2 => checksum error
-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(SLAVE_INT_WIDTH);
+ _delay_us(SLAVE_INT_WIDTH_US);
- // wait for the slaves response
+#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;
}
- // master recive phase
- // if the slave is present syncronize with it
+#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();
- uint8_t checksum_computed = 0;
- // receive data from the slave
- for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
- sync_recv();
- serial_slave_buffer[i] = serial_read_byte();
- checksum_computed += serial_slave_buffer[i];
+ // wait for the target response (step1 low->high)
+ serial_input_with_pullup();
+ while( !serial_read_pin() ) {
+ _delay_sub_us(2);
}
- sync_recv();
- uint8_t checksum_received = serial_read_byte();
- if (checksum_computed != checksum_received) {
- serial_output();
- serial_high();
- sei();
- return 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
- // master switch to output
- sync_recv(); //0
- serial_delay(); //1
- serial_low(); //3
- serial_output(); // 3
- serial_delay_half1(); //4
-
- // master send phase
- uint8_t checksum = 0;
-
- for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
- sync_send();
- serial_write_byte(serial_master_buffer[i]);
- 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);
}
- sync_send();
- serial_write_byte(checksum);
// always, release the line when not in use
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 (#2308)
+// 2018-6-28 bug fix master to slave comm (#3255)
+// 2018-8-11 improvements (#3608)
+// 2018-10-21 fix serial and RGB animation conflict (#4191)
projects / qmk_firmware.git / blobdiff