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@@ -36,6 +36,7 @@
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/* Define this if you want to log all packets from the controller */
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/*#define DEBUG_XBOX_PROTOCOL*/
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+#define DEBUG_XBOX_PROTOCOL
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/* The amount of time to wait after hotplug to send controller init sequence */
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#define CONTROLLER_INIT_DELAY_MS 1500 /* 475 for Xbox One S, 1275 for the PDP Battlefield 1 */
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@@ -186,6 +187,12 @@ SendAckIfNeeded(SDL_HIDAPI_Device *device, Uint8 *data, int size)
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{
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if ((data[1] & 0x30) == 0x30) {
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Uint8 ack_packet[] = { 0x01, 0x20, data[2], 0x09, 0x00, data[0], 0x20, data[3], 0x00, 0x00, 0x00, 0x00, 0x00 };
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+
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+ /* The initial ack needs 0x80 added to the response, for some reason */
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+ if (data[0] == 0x04 && data[1] == 0xF0) {
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+ ack_packet[11] = 0x80;
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+ }
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+
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#ifdef DEBUG_XBOX_PROTOCOL
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HIDAPI_DumpPacket("Xbox One sending ACK packet: size = %d", ack_packet, sizeof(ack_packet));
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#endif
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Sam Lantinga