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Remove reset handler

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This commit is contained in:
Ben V. Brown
2020-09-05 20:19:12 +10:00
parent 11e583be63
commit 12cf202338
5 changed files with 2 additions and 243 deletions
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2
workspace/TS100/Core/Drivers/FUSB302/fusbpd.cpp
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@@ -15,12 +15,10 @@
#include "protocol_rx.h"
#include "protocol_tx.h"
#include "int_n.h"
#include "hard_reset.h"
void fusb302_start_processing() {
/* Initialize the FUSB302B */
fusb_setup();
ResetHandler::init();
PolicyEngine::init();
ProtocolTransmit::init();
ProtocolReceive::init();

152
workspace/TS100/Core/Drivers/FUSB302/hard_reset.cpp
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@@ -1,152 +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 "hard_reset.h"
#include "fusbpd.h"
#include <pd.h>
#include "policy_engine.h"
#include "protocol_rx.h"
#include "protocol_tx.h"
#include "fusb302b.h"
osThreadId ResetHandler::TaskHandle = NULL;
uint32_t ResetHandler::TaskBuffer[ResetHandler::TaskStackSize];
osStaticThreadDef_t ResetHandler::TaskControlBlock;
/*
* PRL_HR_Reset_Layer state
*/
ResetHandler::hardrst_state ResetHandler::hardrst_reset_layer() {
/* First, wait for the signal to run a hard reset. */
eventmask_t evt = waitForEvent(
PDB_EVT_HARDRST_RESET | PDB_EVT_HARDRST_I_HARDRST);
if (evt & (PDB_EVT_HARDRST_RESET | PDB_EVT_HARDRST_I_HARDRST)) {
/* Reset the Protocol RX machine */
ProtocolReceive::notify( PDB_EVT_PRLRX_RESET);
taskYIELD();
/* Reset the Protocol TX machine */
ProtocolTransmit::notify(
ProtocolTransmit::Notifications::PDB_EVT_PRLTX_RESET);
taskYIELD();
/* Continue the process based on what event started the reset. */
if (evt & PDB_EVT_HARDRST_RESET) {
/* Policy Engine started the reset. */
return PRLHRRequestHardReset;
} else {
/* PHY started the reset */
return PRLHRIndicateHardReset;
}
} else {
return PRLHRResetLayer;
}
}
ResetHandler::hardrst_state ResetHandler::hardrst_indicate_hard_reset() {
/* Tell the PE that we're doing a hard reset */
PolicyEngine::notify( PDB_EVT_PE_RESET);
return PRLHRWaitPE;
}
ResetHandler::hardrst_state ResetHandler::hardrst_request_hard_reset() {
/* Tell the PHY to send a hard reset */
fusb_send_hardrst();
return PRLHRWaitPHY;
}
ResetHandler::hardrst_state ResetHandler::hardrst_wait_phy() {
/* Wait for the PHY to tell us that it's done sending the hard reset */
waitForEvent(PDB_EVT_HARDRST_I_HARDSENT, PD_T_HARD_RESET_COMPLETE);
/* Move on no matter what made us stop waiting. */
return PRLHRHardResetRequested;
}
ResetHandler::hardrst_state ResetHandler::hardrst_hard_reset_requested() {
/* Tell the PE that the hard reset was sent */
PolicyEngine::notify( PDB_EVT_PE_HARD_SENT);
return PRLHRWaitPE;
}
ResetHandler::hardrst_state ResetHandler::hardrst_wait_pe() {
/* Wait for the PE to tell us that it's done */
waitForEvent(PDB_EVT_HARDRST_DONE);
return PRLHRComplete;
}
ResetHandler::hardrst_state ResetHandler::hardrst_complete() {
/* I'm not aware of anything we have to tell the FUSB302B, so just finish
* the reset routine. */
return PRLHRResetLayer;
}
void ResetHandler::init() {
osThreadStaticDef(rstHand, Thread, PDB_PRIO_PRL, 0, TaskStackSize,
TaskBuffer, &TaskControlBlock);
TaskHandle = osThreadCreate(osThread(rstHand), NULL);
}
void ResetHandler::notify(uint32_t notification) {
if (TaskHandle != NULL) {
xTaskNotify(TaskHandle, notification, eNotifyAction::eSetBits);
}
}
void ResetHandler::Thread(const void *arg) {
(void) arg;
ResetHandler::hardrst_state state = PRLHRResetLayer;
while (true) {
switch (state) {
case PRLHRResetLayer:
state = hardrst_reset_layer();
break;
case PRLHRIndicateHardReset:
state = hardrst_indicate_hard_reset();
break;
case PRLHRRequestHardReset:
state = hardrst_request_hard_reset();
break;
case PRLHRWaitPHY:
state = hardrst_wait_phy();
break;
case PRLHRHardResetRequested:
state = hardrst_hard_reset_requested();
break;
case PRLHRWaitPE:
state = hardrst_wait_pe();
break;
case PRLHRComplete:
state = hardrst_complete();
break;
default:
/* This is an error. It really shouldn't happen. We might
* want to handle it anyway, though. */
state = PRLHRResetLayer;
break;
}
}
}
uint32_t ResetHandler::waitForEvent(uint32_t mask, uint32_t ticksToWait) {
uint32_t pulNotificationValue;
xTaskNotifyWait(0x00, mask, &pulNotificationValue, ticksToWait);
return pulNotificationValue;
}

63
workspace/TS100/Core/Drivers/FUSB302/hard_reset.h
View File

@@ -1,63 +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_HARD_RESET_H
#define PDB_HARD_RESET_H
#include <pd.h>
/* Events for the Hard Reset thread */
#define PDB_EVT_HARDRST_RESET EVENT_MASK(0)
#define PDB_EVT_HARDRST_I_HARDRST EVENT_MASK(1)
#define PDB_EVT_HARDRST_I_HARDSENT EVENT_MASK(2)
#define PDB_EVT_HARDRST_DONE EVENT_MASK(3)
class ResetHandler {
public:
static void init();
static void notify(uint32_t notification);
private:
static void Thread(const void *arg);
static osThreadId TaskHandle;
static const size_t TaskStackSize = 1536 / 2;
static uint32_t TaskBuffer[TaskStackSize];
static osStaticThreadDef_t TaskControlBlock;
static uint32_t waitForEvent(uint32_t mask, uint32_t ticksToWait =
portMAX_DELAY);
/*
* Hard Reset machine states
*/
enum hardrst_state {
PRLHRResetLayer,
PRLHRIndicateHardReset,
PRLHRRequestHardReset,
PRLHRWaitPHY,
PRLHRHardResetRequested,
PRLHRWaitPE,
PRLHRComplete
};
static hardrst_state hardrst_reset_layer();
static hardrst_state hardrst_indicate_hard_reset();
static hardrst_state hardrst_request_hard_reset();
static hardrst_state hardrst_wait_phy();
static hardrst_state hardrst_hard_reset_requested();
static hardrst_state hardrst_wait_pe();
static hardrst_state hardrst_complete();
};
#endif /* PDB_HARD_RESET_H */

17
workspace/TS100/Core/Drivers/FUSB302/int_n.cpp
View File

@@ -21,7 +21,6 @@
#include "fusb302b.h"
#include "protocol_rx.h"
#include "protocol_tx.h"
#include "hard_reset.h"
#include "policy_engine.h"
#include "protocol_rx.h"
#include "protocol_tx.h"
@@ -73,22 +72,6 @@ void InterruptHandler::Thread(const void *arg) {
notifSent = true;
}
/* If the I_HARDRST or I_HARDSENT flag is set, tell the Hard Reset
* thread */
if (notifSent == false) {
events = 0;
if (status.interrupta & FUSB_INTERRUPTA_I_HARDRST) {
events |= PDB_EVT_HARDRST_I_HARDRST;
notifSent = true;
} else if (status.interrupta & FUSB_INTERRUPTA_I_HARDSENT) {
events |= PDB_EVT_HARDRST_I_HARDSENT;
notifSent = true;
}
if (events) {
ResetHandler::notify(events);
}
}
/* If the I_OCP_TEMP and OVRTEMP flags are set, tell the Policy
* Engine thread */
if (status.interrupta & FUSB_INTERRUPTA_I_OCP_TEMP

11
workspace/TS100/Core/Drivers/FUSB302/policy_engine.cpp
View File

@@ -20,7 +20,6 @@
#include "int_n.h"
#include <pd.h>
#include "protocol_tx.h"
#include "hard_reset.h"
#include "fusb302b.h"
bool PolicyEngine::pdNegotiationComplete;
int PolicyEngine::current_voltage_mv;
@@ -516,11 +515,8 @@ PolicyEngine::policy_engine_state PolicyEngine::pe_sink_hard_reset() {
if (_hard_reset_counter > PD_N_HARD_RESET_COUNT) {
return PESinkSourceUnresponsive;
}
/* Generate a hard reset signal */
ResetHandler::notify(PDB_EVT_HARDRST_RESET);
waitForEvent(PDB_EVT_PE_HARD_SENT);
//So, we could send a hardreset here; however that will cause a power cycle on the PSU end.. Which will then reset this MCU
//So therefore we went get anywhere :)
/* Increment HardResetCounter */
_hard_reset_counter++;
@@ -537,9 +533,6 @@ PolicyEngine::policy_engine_state PolicyEngine::pe_sink_transition_default() {
/* Since we never change our data role from UFP, there is no reason to set
* it here. */
/* Tell the protocol layer we're done with the reset */
ResetHandler::notify( PDB_EVT_HARDRST_DONE);
return PESinkStartup;
}