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Get the serial number for the Nintendo Switch Pro controller

This commit is contained in:
Sam Lantinga 2021-01-14 23:49:41 -08:00
parent 5fc743c4fd
commit e3dbae5010
1 changed files with 75 additions and 4 deletions
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77
src/joystick/hidapi/SDL_hidapi_switch.c
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@ -90,6 +90,7 @@ typedef enum {
} ESwitchSubcommandIDs;
typedef enum {
k_eSwitchProprietaryCommandIDs_Status = 0x01,
k_eSwitchProprietaryCommandIDs_Handshake = 0x02,
k_eSwitchProprietaryCommandIDs_HighSpeed = 0x03,
k_eSwitchProprietaryCommandIDs_ForceUSB = 0x04,
@ -98,6 +99,7 @@ typedef enum {
} ESwitchProprietaryCommandIDs;
typedef enum {
k_eSwitchDeviceInfoControllerType_Unknown = 0x0,
k_eSwitchDeviceInfoControllerType_JoyConLeft = 0x1,
k_eSwitchDeviceInfoControllerType_JoyConRight = 0x2,
k_eSwitchDeviceInfoControllerType_ProController = 0x3,
@ -187,6 +189,16 @@ typedef struct
};
} SwitchSubcommandInputPacket_t;
typedef struct
{
Uint8 ucPacketType;
Uint8 ucCommandID;
Uint8 ucFiller;
Uint8 ucDeviceType;
Uint8 rgucMACAddress[6];
} SwitchProprietaryStatusPacket_t;
typedef struct
{
Uint8 rgucData[4];
@ -223,6 +235,8 @@ typedef struct {
SDL_bool m_bUsingBluetooth;
SDL_bool m_bIsGameCube;
SDL_bool m_bUseButtonLabels;
ESwitchDeviceInfoControllerType m_eControllerType;
Uint8 m_rgucMACAddress[6];
Uint8 m_nCommandNumber;
SwitchCommonOutputPacket_t m_RumblePacket;
Uint8 m_rgucReadBuffer[k_unSwitchMaxOutputPacketLength];
@ -298,7 +312,7 @@ HIDAPI_DriverSwitch_IsSupportedDevice(const char *name, SDL_GameControllerType t
controller to continually attempt to reconnect is to filter it out by manufactuer/product string.
Note that the controller does have a different product string when connected over Bluetooth.
*/
if (SDL_strcmp( name, "HORI Wireless Switch Pad" ) == 0) {
if (SDL_strcmp(name, "HORI Wireless Switch Pad") == 0) {
return SDL_FALSE;
}
return (type == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) ? SDL_TRUE : SDL_FALSE;
@ -511,6 +525,39 @@ static SDL_bool WriteRumble(SDL_DriverSwitch_Context *ctx)
return WritePacket(ctx, (Uint8 *)&ctx->m_RumblePacket, sizeof(ctx->m_RumblePacket));
}
static SDL_bool BReadDeviceInfo(SDL_DriverSwitch_Context *ctx)
{
SwitchSubcommandInputPacket_t *reply = NULL;
ctx->m_bUsingBluetooth = SDL_FALSE;
if (WriteProprietary(ctx, k_eSwitchProprietaryCommandIDs_Status, NULL, 0, SDL_TRUE)) {
SwitchProprietaryStatusPacket_t *status = (SwitchProprietaryStatusPacket_t *)&ctx->m_rgucReadBuffer[0];
ctx->m_eControllerType = (ESwitchDeviceInfoControllerType)status->ucDeviceType;
for (size_t i = 0; i < sizeof (ctx->m_rgucMACAddress); ++i)
ctx->m_rgucMACAddress[i] = status->rgucMACAddress[ sizeof(ctx->m_rgucMACAddress) - i - 1 ];
return SDL_TRUE;
}
ctx->m_bUsingBluetooth = SDL_TRUE;
if (WriteSubcommand(ctx, k_eSwitchSubcommandIDs_RequestDeviceInfo, NULL, 0, &reply)) {
// Byte 2: Controller ID (1=LJC, 2=RJC, 3=Pro)
ctx->m_eControllerType = (ESwitchDeviceInfoControllerType)reply->deviceInfo.ucDeviceType;
// Bytes 4-9: MAC address (big-endian)
memcpy(ctx->m_rgucMACAddress, reply->deviceInfo.rgucMACAddress, sizeof(ctx->m_rgucMACAddress));
return SDL_TRUE;
}
ctx->m_bUsingBluetooth = SDL_FALSE;
return SDL_FALSE;
}
static SDL_bool BTrySetupUSB(SDL_DriverSwitch_Context *ctx)
{
/* We have to send a connection handshake to the controller when communicating over USB
@ -528,6 +575,9 @@ static SDL_bool BTrySetupUSB(SDL_DriverSwitch_Context *ctx)
if (!WriteProprietary(ctx, k_eSwitchProprietaryCommandIDs_Handshake, NULL, 0, SDL_TRUE)) {
return SDL_FALSE;
}
if (!WriteProprietary(ctx, k_eSwitchProprietaryCommandIDs_ForceUSB, NULL, 0, SDL_FALSE)) {
return SDL_FALSE;
}
return SDL_TRUE;
}
@ -764,9 +814,16 @@ HIDAPI_DriverSwitch_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joysti
SetNeutralRumble(&ctx->m_RumblePacket.rumbleData[0]);
SetNeutralRumble(&ctx->m_RumblePacket.rumbleData[1]);
/* Try setting up USB mode, and if that fails we're using Bluetooth */
if (!BReadDeviceInfo(ctx)) {
SDL_SetError("Couldn't read device info");
goto error;
}
if (!ctx->m_bUsingBluetooth) {
if (!BTrySetupUSB(ctx)) {
ctx->m_bUsingBluetooth = SDL_TRUE;
SDL_SetError("Couldn't setup USB mode");
goto error;
}
}
/* Determine the desired input mode (needed before loading stick calibration) */
@ -822,6 +879,20 @@ HIDAPI_DriverSwitch_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joysti
SetHomeLED(ctx, 100);
}
SetSlotLED(ctx, (joystick->instance_id % 4));
/* Set the serial number */
{
char serial[18];
SDL_snprintf(serial, sizeof(serial), "%.2x-%.2x-%.2x-%.2x-%.2x-%.2x",
ctx->m_rgucMACAddress[0],
ctx->m_rgucMACAddress[1],
ctx->m_rgucMACAddress[2],
ctx->m_rgucMACAddress[3],
ctx->m_rgucMACAddress[4],
ctx->m_rgucMACAddress[5]);
joystick->serial = SDL_strdup(serial);
}
}
if (IsGameCubeFormFactor(device->vendor_id, device->product_id)) {