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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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19
platforms/chibios/drivers/serial.c
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@ -179,8 +179,6 @@ void interrupt_handler(void *arg) {
// wait for the sync to finish sending
serial_delay();
*trans->status = (checksum_computed == checksum_received) ? TRANSACTION_ACCEPTED : TRANSACTION_DATA_ERROR;
// end transaction
serial_input();
@ -193,17 +191,12 @@ void interrupt_handler(void *arg) {
/////////
// 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
// TODO: remove extra delay between transactions
serial_delay();
@ -226,7 +219,7 @@ int soft_serial_transaction(int sstd_index) {
// slave failed to pull the line low, assume not present
dprintf("serial::NO_RESPONSE\n");
chSysUnlock();
return TRANSACTION_NO_RESPONSE;
return false;
}
// if the slave is present syncronize with it
@ -266,7 +259,7 @@ int soft_serial_transaction(int sstd_index) {
serial_high();
chSysUnlock();
return TRANSACTION_DATA_ERROR;
return false;
}
// always, release the line when not in use
@ -274,5 +267,5 @@ int soft_serial_transaction(int sstd_index) {
serial_output();
chSysUnlock();
return TRANSACTION_END;
return true;
}