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htc: free ourselves from the tyranny of numerical enums

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This commit is contained in:
Michael Scire 2021-02-08 06:48:30 -08:00 • committed by SciresM
parent 2341f18edd
commit e40eece74e
6 changed files with 131 additions and 87 deletions
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158
libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_state.hpp
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@ -19,57 +19,89 @@
namespace ams::htclow::ctrl {
enum HtcctrlState : u32 {
HtcctrlState_0 = 0,
HtcctrlState_1 = 1,
HtcctrlState_2 = 2,
HtcctrlState_3 = 3,
HtcctrlState_4 = 4,
HtcctrlState_5 = 5,
HtcctrlState_6 = 6,
HtcctrlState_7 = 7,
HtcctrlState_8 = 8,
HtcctrlState_9 = 9,
HtcctrlState_10 = 10,
HtcctrlState_11 = 11,
HtcctrlState_12 = 12,
HtcctrlState_DriverConnected = 0,
HtcctrlState_SentConnectFromHost = 1,
HtcctrlState_Connected = 2,
HtcctrlState_SentReadyFromHost = 3,
HtcctrlState_Ready = 4,
HtcctrlState_SentSuspendFromTarget = 5,
HtcctrlState_EnterSleep = 6,
HtcctrlState_Sleep = 7,
HtcctrlState_ExitSleep = 8,
HtcctrlState_SentResumeFromTarget = 9,
HtcctrlState_Disconnected = 10,
HtcctrlState_DriverDisconnected = 11,
HtcctrlState_Error = 12,
};
constexpr bool IsStateTransitionAllowed(HtcctrlState from, HtcctrlState to) {
switch (from) {
case HtcctrlState_0:
return to == HtcctrlState_1 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_1:
return to == HtcctrlState_2 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_2:
return to == HtcctrlState_3 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_3:
return to == HtcctrlState_4 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_4:
return to == HtcctrlState_5 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_5:
return to == HtcctrlState_6 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_6:
return to == HtcctrlState_7 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_7:
return to == HtcctrlState_8;
case HtcctrlState_8:
return to == HtcctrlState_9 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_9:
return to == HtcctrlState_4 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_10:
return to == HtcctrlState_1 || to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_11:
return to == HtcctrlState_0;
case HtcctrlState_12:
return to == HtcctrlState_10 || to == HtcctrlState_11 || to == HtcctrlState_12;
case HtcctrlState_DriverConnected:
return to == HtcctrlState_SentConnectFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentConnectFromHost:
return to == HtcctrlState_Connected ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Connected:
return to == HtcctrlState_SentReadyFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentReadyFromHost:
return to == HtcctrlState_Ready ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Ready:
return to == HtcctrlState_SentSuspendFromTarget ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentSuspendFromTarget:
return to == HtcctrlState_EnterSleep ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_EnterSleep:
return to == HtcctrlState_Sleep ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Sleep:
return to == HtcctrlState_ExitSleep;
case HtcctrlState_ExitSleep:
return to == HtcctrlState_SentResumeFromTarget ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentResumeFromTarget:
return to == HtcctrlState_Ready ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Disconnected:
return to == HtcctrlState_SentConnectFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_DriverDisconnected:
return to == HtcctrlState_DriverConnected;
case HtcctrlState_Error:
return to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
constexpr bool IsDisconnected(HtcctrlState state) {
switch (state) {
case HtcctrlState_10:
case HtcctrlState_11:
case HtcctrlState_Disconnected:
case HtcctrlState_DriverDisconnected:
return true;
default:
return false;
@ -78,9 +110,9 @@ namespace ams::htclow::ctrl {
constexpr bool IsConnecting(HtcctrlState state) {
switch (state) {
case HtcctrlState_0:
case HtcctrlState_1:
case HtcctrlState_10:
case HtcctrlState_DriverConnected:
case HtcctrlState_SentConnectFromHost:
case HtcctrlState_Disconnected:
return true;
default:
return false;
@ -89,14 +121,14 @@ namespace ams::htclow::ctrl {
constexpr bool IsConnected(HtcctrlState state) {
switch (state) {
case HtcctrlState_2:
case HtcctrlState_3:
case HtcctrlState_4:
case HtcctrlState_5:
case HtcctrlState_6:
case HtcctrlState_7:
case HtcctrlState_8:
case HtcctrlState_9:
case HtcctrlState_Connected:
case HtcctrlState_SentReadyFromHost:
case HtcctrlState_Ready:
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;
@ -105,12 +137,12 @@ namespace ams::htclow::ctrl {
constexpr bool IsReadied(HtcctrlState state) {
switch (state) {
case HtcctrlState_4:
case HtcctrlState_5:
case HtcctrlState_6:
case HtcctrlState_7:
case HtcctrlState_8:
case HtcctrlState_9:
case HtcctrlState_Ready:
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;
@ -119,11 +151,11 @@ namespace ams::htclow::ctrl {
constexpr bool IsSleeping(HtcctrlState state) {
switch (state) {
case HtcctrlState_5:
case HtcctrlState_6:
case HtcctrlState_7:
case HtcctrlState_8:
case HtcctrlState_9:
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;