firmware WIP

firmware/src/usbhidrom_main.c

@@ -0,0 +1,99 @@
+/*----------------------------------------------------------------------------
+ *      Name:    DEMO.C
+ *      Purpose: USB HID Demo
+ *      Version: V1.20
+ *----------------------------------------------------------------------------
+ *      This software is supplied "AS IS" without any warranties, express,
+ *      implied or statutory, including but not limited to the implied
+ *      warranties of fitness for purpose, satisfactory quality and
+ *      noninfringement. Keil extends you a royalty-free right to reproduce
+ *      and distribute executable files created using this software for use
+ *      on NXP Semiconductors LPC microcontroller devices only. Nothing else 
+ *      gives you the right to use this software.
+ *
+ * Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
+ *---------------------------------------------------------------------------*/
+
+#include "LPC13xx.h"                        /* LPC13xx definitions */
+
+#include "usb.h"
+#include "usbdesc.h"
+#include "gpio.h"
+#include "rom_drivers.h"
+#include "config.h"
+
+#define     EN_TIMER32_1    (1<<10)
+#define     EN_IOCON        (1<<16)
+#define     EN_USBREG       (1<<14)
+
+USB_DEV_INFO DeviceInfo;
+HID_DEVICE_INFO HidDevInfo;
+ROM ** rom = (ROM **)0x1fff1ff8;
+
+/*
+ *  Get HID Input Report -> InReport
+ */
+
+volatile uint8_t buffer[8];
+
+void GetInReport (uint8_t src[], uint32_t length)
+{
+    src[0] = buffer[0];
+}
+
+/*
+ *  Set HID Output Report <- OutReport
+ */
+void SetOutReport (uint8_t dst[], uint32_t length)
+{
+    buffer[0] = dst[0];
+}
+
+int main (void)
+{
+	/* for delay loop */
+	volatile int n;
+// Code Red Red Suite and LPCXpresso by Code Red both call SystemInit() in
+// the C startup code
+#ifndef __CODERED__
+  SystemInit();
+#endif
+  
+
+  HidDevInfo.idVendor = USB_VENDOR_ID;
+  HidDevInfo.idProduct = USB_PROD_ID;
+  HidDevInfo.bcdDevice = USB_DEVICE; 
+  HidDevInfo.StrDescPtr = (uint32_t)&USB_StringDescriptor[0];
+  HidDevInfo.InReportCount = 1;
+  HidDevInfo.OutReportCount = 1;
+  HidDevInfo.SampleInterval = 0x20;
+  HidDevInfo.InReport = GetInReport;
+  HidDevInfo.OutReport = SetOutReport;
+
+  DeviceInfo.DevType = USB_DEVICE_CLASS_HUMAN_INTERFACE;
+  DeviceInfo.DevDetailPtr = (uint32_t)&HidDevInfo;
+
+  /* Enable Timer32_1, IOCON, and USB blocks (for USB ROM driver) */
+  LPC_SYSCON->SYSAHBCLKCTRL |= (EN_TIMER32_1 | EN_IOCON | EN_USBREG);
+
+  /* Use pll and pin init function in rom */
+  (*rom)->pUSBD->init_clk_pins();   
+
+  /* insert a delay between clk init and usb init */
+  for (n = 0; n < 75; n++) {}
+
+  (*rom)->pUSBD->init(&DeviceInfo); /* USB Initialization */
+  (*rom)->pUSBD->connect(TRUE);     /* USB Connect */
+
+  while (1)
+	  __WFI();
+}
+
+#if defined(__IAR__)
+void USBIRQ_IRQHandler()
+#else
+void USB_IRQHandler()
+#endif
+{
+  (*rom)->pUSBD->isr();
+}