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Deprecate split transactions status field (#16023)

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Stefan Kerkmann 2022-01-27 06:13:27 +01:00 • committed by GitHub
parent ed8ab3e32c
commit be59e8af2b
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7 changed files with 28 additions and 91 deletions
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39
platforms/avr/drivers/serial.c
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@ -409,13 +409,7 @@ ISR(SERIAL_PIN_INTERRUPT) {
// target recive phase
if (trans->initiator2target_buffer_size > 0) {
if (serial_recive_packet((uint8_t *)split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size)) {
*trans->status = TRANSACTION_ACCEPTED;
} else {
*trans->status = TRANSACTION_DATA_ERROR;
}
} else {
*trans->status = TRANSACTION_ACCEPTED;
serial_recive_packet((uint8_t *)split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size);
}
sync_recv(); // weit initiator output to high
@ -424,19 +418,13 @@ ISR(SERIAL_PIN_INTERRUPT) {
/////////
// start transaction by initiator
//
// int soft_serial_transaction(int sstd_index)
// bool 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
int soft_serial_transaction(int sstd_index) {
if (sstd_index > NUM_TOTAL_TRANSACTIONS) return TRANSACTION_TYPE_ERROR;
bool soft_serial_transaction(int sstd_index) {
if (sstd_index > NUM_TOTAL_TRANSACTIONS) return false;
split_transaction_desc_t *trans = &split_transaction_table[sstd_index];
if (!trans->status) return TRANSACTION_TYPE_ERROR; // not registered
cli();
// signal to the target that we want to start a transaction
@ -463,9 +451,8 @@ int soft_serial_transaction(int sstd_index) {
// slave failed to pull the line low, assume not present
serial_output();
serial_high();
*trans->status = TRANSACTION_NO_RESPONSE;
sei();
return TRANSACTION_NO_RESPONSE;
return false;
}
_delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT);
}
@ -476,9 +463,8 @@ int soft_serial_transaction(int sstd_index) {
if (!serial_recive_packet((uint8_t *)split_trans_target2initiator_buffer(trans), trans->target2initiator_buffer_size)) {
serial_output();
serial_high();
*trans->status = TRANSACTION_DATA_ERROR;
sei();
return TRANSACTION_DATA_ERROR;
return false;
}
}
@ -493,19 +479,8 @@ int soft_serial_transaction(int sstd_index) {
// always, release the line when not in use
sync_send();
*trans->status = TRANSACTION_END;
sei();
return TRANSACTION_END;
}
int soft_serial_get_and_clean_status(int sstd_index) {
split_transaction_desc_t *trans = &split_transaction_table[sstd_index];
cli();
int retval = *trans->status;
*trans->status = 0;
;
sei();
return retval;
return true;
}
#endif