Integrate 3ds_pxi and 3ds_sm

sysmodules/pxi/source/PXI.h

@@ -0,0 +1,47 @@
+/*
+PXI.h:
+    PXI I/O functions.
+
+(c) TuxSH, 2016-2017
+This is part of 3ds_pxi, which is licensed under the MIT license (see LICENSE for details).
+*/
+
+#pragma once
+
+#include <3ds.h>
+
+#define PXI_REGS_BASE   0x1EC63000
+#define REG_PXI_SYNC    *(vu32 *)(PXI_REGS_BASE + 0)
+    #define REG_PXI_BYTE_RECEIVED_FROM_REMOTE   *(vu8 *)(PXI_REGS_BASE)
+    #define REG_PXI_BYTE_SENT_TO_REMOTE         *(vu8 *)(PXI_REGS_BASE + 1)
+    #define REG_PXI_INTERRUPT_CNT               *(vu8 *)(PXI_REGS_BASE + 3)
+        #define SYNC_TRIGGER_SYNC9_IRQ  (1U << 6)
+        #define SYNC_ENABLE_SYNC11_IRQ  (1U << 7)
+
+#define REG_PXI_CNT     *(vu16 *)(PXI_REGS_BASE + 4)
+    #define CNT_SEND_FIFO_FULL_STATUS               (1U <<  1)
+    #define CNT_ENABLE_SEND_FIFO_EMPTY_IRQ          (1U <<  2)
+    #define CNT_CLEAR_SEND_FIFO                     (1U <<  3)
+    #define CNT_RECEIVE_FIFO_EMPTY_STATUS           (1U <<  8)
+    #define CNT_ENABLE_RECEIVE_FIFO_NOT_EMPTY_IRQ   (1U << 10)
+    #define CNT_ACKNOWLEDGE_FIFO_ERROR              (1U << 14)
+    #define CNT_ENABLE_FIFOs                        (1U << 15)
+
+#define REG_PXI_SEND    *(vu32 *)(PXI_REGS_BASE + 8)
+#define REG_PXI_RECV    *(vu32 *)(PXI_REGS_BASE + 12)
+
+void PXIReset(void);
+void PXITriggerSync9IRQ(void);
+
+bool PXIIsSendFIFOFull(void);
+void PXISendByte(u8 byte);
+void PXISendWord(u32 word);
+void PXISendBuffer(const u32 *buffer, u32 nbWords);
+
+bool PXIIsReceiveFIFOEmpty(void);
+u8 PXIReceiveByte(void);
+u32 PXIReceiveWord(void);
+void PXIReceiveBuffer(u32 *buffer, u32 nbWords);
+
+Result bindPXIInterrupts(Handle *syncInterrupt, Handle *receiveFIFONotEmptyInterrupt, Handle *sendFIFOEmptyInterrupt);
+void unbindPXIInterrupts(Handle *syncInterrupt, Handle *receiveFIFONotEmptyInterrupt, Handle *sendFIFOEmptyInterrupt);