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Collapse rx into irq

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This commit is contained in:
Ben V. Brown
2021-04-05 15:57:31 +10:00
parent f12ed98991
commit fb24ba1866
7 changed files with 30 additions and 148 deletions
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3
source/Core/Drivers/FUSB302/fusbpd.cpp
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@@ -11,7 +11,7 @@
#include "fusb302b.h" #include "fusb302b.h"
#include "int_n.h" #include "int_n.h"
#include "policy_engine.h" #include "policy_engine.h"
#include "protocol_rx.h"
#include "protocol_tx.h" #include "protocol_tx.h"
#include <fusbpd.h> #include <fusbpd.h>
#include <pd.h> #include <pd.h>
@@ -21,7 +21,6 @@ void fusb302_start_processing() {
if (fusb_setup()) { if (fusb_setup()) {
PolicyEngine::init(); PolicyEngine::init();
ProtocolTransmit::init(); ProtocolTransmit::init();
ProtocolReceive::init();
InterruptHandler::init(); InterruptHandler::init();
} }
} }

26
source/Core/Drivers/FUSB302/int_n.cpp
View File

@@ -21,14 +21,16 @@
#include "fusb302b.h" #include "fusb302b.h"
#include "fusbpd.h" #include "fusbpd.h"
#include "policy_engine.h" #include "policy_engine.h"
#include "protocol_rx.h"
#include "protocol_tx.h" #include "protocol_tx.h"
#include "task.h" #include "task.h"
#include <pd.h> #include <pd.h>
#include <string.h>
volatile osThreadId InterruptHandler::TaskHandle = NULL; volatile osThreadId InterruptHandler::TaskHandle = NULL;
uint32_t InterruptHandler::TaskBuffer[InterruptHandler::TaskStackSize]; uint32_t InterruptHandler::TaskBuffer[InterruptHandler::TaskStackSize];
osStaticThreadDef_t InterruptHandler::TaskControlBlock; osStaticThreadDef_t InterruptHandler::TaskControlBlock;
union pd_msg InterruptHandler::tempMessage;
void InterruptHandler::init() { void InterruptHandler::init() {
TaskHandle = NULL; TaskHandle = NULL;
@@ -36,6 +38,26 @@ void InterruptHandler::init() {
TaskHandle = osThreadCreate(osThread(intTask), NULL); TaskHandle = osThreadCreate(osThread(intTask), NULL);
} }
void InterruptHandler::readPendingMessage() {
/* Get a buffer to read the message into. Guaranteed to not fail
* because we have a big enough pool and are careful. */
memset(&tempMessage, 0, sizeof(tempMessage));
/* Read the message */
fusb_read_message(&tempMessage);
/* If it's a Soft_Reset, go to the soft reset state */
if (PD_MSGTYPE_GET(&tempMessage) == PD_MSGTYPE_SOFT_RESET && PD_NUMOBJ_GET(&tempMessage) == 0) {
/* TX transitions to its reset state */
ProtocolTransmit::notify(ProtocolTransmit::Notifications::PDB_EVT_PRLTX_RESET);
} else {
/* Tell ProtocolTX to discard the message being transmitted */
ProtocolTransmit::notify(ProtocolTransmit::Notifications::PDB_EVT_PRLTX_DISCARD);
/* Pass the message to the policy engine. */
PolicyEngine::handleMessage(&tempMessage);
PolicyEngine::notify(PolicyEngine::Notifications::PDB_EVT_PE_MSG_RX);
}
}
void InterruptHandler::Thread(const void *arg) { void InterruptHandler::Thread(const void *arg) {
(void)arg; (void)arg;
union fusb_status status; union fusb_status status;
@@ -50,7 +72,7 @@ void InterruptHandler::Thread(const void *arg) {
/* If the I_GCRCSENT flag is set, tell the Protocol RX thread */ /* If the I_GCRCSENT flag is set, tell the Protocol RX thread */
// This means a message was recieved with a good CRC // This means a message was recieved with a good CRC
if (status.interruptb & FUSB_INTERRUPTB_I_GCRCSENT) { if (status.interruptb & FUSB_INTERRUPTB_I_GCRCSENT) {
ProtocolReceive::notify(PDB_EVT_PRLRX_I_GCRCSENT); readPendingMessage();
} }
/* If the I_TXSENT or I_RETRYFAIL flag is set, tell the Protocol TX /* If the I_TXSENT or I_RETRYFAIL flag is set, tell the Protocol TX

3
source/Core/Drivers/FUSB302/int_n.h
View File

@@ -44,6 +44,9 @@ private:
static enum hardrst_state hardrst_hard_reset_requested(); static enum hardrst_state hardrst_hard_reset_requested();
static enum hardrst_state hardrst_wait_pe(); static enum hardrst_state hardrst_wait_pe();
static enum hardrst_state hardrst_complete(); static enum hardrst_state hardrst_complete();
// Mesage rx
static void readPendingMessage();
static union pd_msg tempMessage;
}; };
#endif /* PDB_INT_N_OLD_H */ #endif /* PDB_INT_N_OLD_H */

86
source/Core/Drivers/FUSB302/protocol_rx.cpp
View File

@@ -1,86 +0,0 @@
/*
* PD Buddy Firmware Library - USB Power Delivery for everyone
* Copyright 2017-2018 Clayton G. Hobbs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "protocol_rx.h"
#include "fusb302b.h"
#include "policy_engine.h"
#include "protocol_tx.h"
#include "string.h"
#include <pd.h>
#include <stdlib.h>
osThreadId ProtocolReceive::TaskHandle = NULL;
EventGroupHandle_t ProtocolReceive::xEventGroupHandle = NULL;
StaticEventGroup_t ProtocolReceive::xCreatedEventGroup;
uint32_t ProtocolReceive::TaskBuffer[ProtocolReceive::TaskStackSize];
osStaticThreadDef_t ProtocolReceive::TaskControlBlock;
union pd_msg ProtocolReceive::tempMessage;
void ProtocolReceive::init() {
osThreadStaticDef(protRX, thread, PDB_PRIO_PRL, 0, TaskStackSize, TaskBuffer, &TaskControlBlock);
xEventGroupHandle = xEventGroupCreateStatic(&xCreatedEventGroup);
TaskHandle = osThreadCreate(osThread(protRX), NULL);
}
void ProtocolReceive::thread(const void *args) {
(void)args;
while (true) {
/* Wait for an event */
EventBits_t evt = waitForEvent(PDB_EVT_PRLRX_RESET | PDB_EVT_PRLRX_I_GCRCSENT);
/* If we got a reset event, reset */
if (evt & PDB_EVT_PRLRX_RESET) {
/* TX transitions to its reset state */
ProtocolTransmit::notify(ProtocolTransmit::Notifications::PDB_EVT_PRLTX_RESET);
} else {
/* If we got an I_GCRCSENT event, read the message and decide what to do */
if (evt & PDB_EVT_PRLRX_I_GCRCSENT) {
/* Get a buffer to read the message into. Guaranteed to not fail
* because we have a big enough pool and are careful. */
memset(&tempMessage, 0, sizeof(tempMessage));
/* Read the message */
fusb_read_message(&tempMessage);
/* If it's a Soft_Reset, go to the soft reset state */
if (PD_MSGTYPE_GET(&tempMessage) == PD_MSGTYPE_SOFT_RESET && PD_NUMOBJ_GET(&tempMessage) == 0) {
/* TX transitions to its reset state */
ProtocolTransmit::notify(ProtocolTransmit::Notifications::PDB_EVT_PRLTX_RESET);
} else {
/* Tell ProtocolTX to discard the message being transmitted */
ProtocolTransmit::notify(ProtocolTransmit::Notifications::PDB_EVT_PRLTX_DISCARD);
/* Pass the message to the policy engine. */
PolicyEngine::handleMessage(&tempMessage);
PolicyEngine::notify(PolicyEngine::Notifications::PDB_EVT_PE_MSG_RX);
}
}
}
}
}
void ProtocolReceive::notify(uint32_t notification) {
if (xEventGroupHandle != NULL) {
xEventGroupSetBits(xEventGroupHandle, notification);
}
}
uint32_t ProtocolReceive::waitForEvent(uint32_t mask, TickType_t ticksToWait) {
if (xEventGroupHandle != NULL) {
return xEventGroupWaitBits(xEventGroupHandle, mask, mask, pdFALSE, ticksToWait);
}
return 0;
}

53
source/Core/Drivers/FUSB302/protocol_rx.h
View File

@@ -1,53 +0,0 @@
/*
* PD Buddy Firmware Library - USB Power Delivery for everyone
* Copyright 2017-2018 Clayton G. Hobbs
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PDB_PROTOCOL_RX_H
#define PDB_PROTOCOL_RX_H
#include <stdint.h>
#include <pd.h>
/* Events for the Protocol RX thread */
#define PDB_EVT_PRLRX_RESET EVENT_MASK(0)
#define PDB_EVT_PRLRX_I_GCRCSENT EVENT_MASK(1)
class ProtocolReceive {
public:
static void init();
static void notify(uint32_t notification);
private:
static void thread(const void *args);
static EventGroupHandle_t xEventGroupHandle;
static StaticEventGroup_t xCreatedEventGroup;
static osThreadId TaskHandle;
static const size_t TaskStackSize = 1024 / 4;
static uint32_t TaskBuffer[TaskStackSize];
static osStaticThreadDef_t TaskControlBlock;
/*
* Protocol RX machine states
*
* There is no Send_GoodCRC state because the PHY sends the GoodCRC for us.
* All transitions that would go to that state instead go to Check_MessageID.
*/
static union pd_msg tempMessage;
static uint32_t waitForEvent(uint32_t mask, TickType_t ticksToWait = portMAX_DELAY);
};
#endif /* PDB_PROTOCOL_RX_H */

5
source/Core/Drivers/FUSB302/protocol_tx.cpp
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@@ -19,7 +19,7 @@
#include "fusb302b.h" #include "fusb302b.h"
#include "fusbpd.h" #include "fusbpd.h"
#include "policy_engine.h" #include "policy_engine.h"
#include "protocol_rx.h"
#include <pd.h> #include <pd.h>
osThreadId ProtocolTransmit::TaskHandle = NULL; osThreadId ProtocolTransmit::TaskHandle = NULL;
@@ -88,9 +88,6 @@ ProtocolTransmit::protocol_tx_state ProtocolTransmit::protocol_tx_reset() {
/* Clear MessageIDCounter */ /* Clear MessageIDCounter */
_tx_messageidcounter = 0; _tx_messageidcounter = 0;
/* Tell the Protocol RX thread to reset */
ProtocolReceive::notify(PDB_EVT_PRLRX_RESET);
return PRLTxConstructMessage; return PRLTxConstructMessage;
} }

2
source/Core/Drivers/FUSB302/protocol_tx.h
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@@ -19,7 +19,7 @@
#define PDB_PROTOCOL_TX_H #define PDB_PROTOCOL_TX_H
#include "policy_engine.h" #include "policy_engine.h"
#include "protocol_rx.h"
#include <pd.h> #include <pd.h>
#include <stdint.h> #include <stdint.h>