demo.c

00001 /*----------------------------------------------------------------------------
00002  *      Name:    DEMO.C
00003  *      Purpose: USB HID Demo
00004  *      Version: V1.10
00005  *----------------------------------------------------------------------------
00006  *      This software is supplied "AS IS" without any warranties, express,
00007  *      implied or statutory, including but not limited to the implied
00008  *      warranties of fitness for purpose, satisfactory quality and
00009  *      noninfringement. Keil extends you a royalty-free right to reproduce
00010  *      and distribute executable files created using this software for use
00011  *      on NXP Semiconductors LPC family microcontroller devices only. Nothing
00012  *      else gives you the right to use this software.
00013  *
00014  *      Copyright (c) 2005-2009 Keil Software.
00015  *---------------------------------------------------------------------------*/
00016 
00017 #include "LPC17xx.h"                        /* LPC17xx definitions */
00018 
00019 #include "lpc_types.h"
00020 
00021 #include "usb.h"
00022 #include "usbcfg.h"
00023 #include "usbhw.h"
00024 
00025 #include "demo.h"
00026 #include "hid.h"
00027 
00028 #include "lpc17xx_libcfg.h"
00029 #include "lpc17xx_nvic.h"
00030 
00031 /* Example group ----------------------------------------------------------- */
00032 /** @defgroup USBDEV_USBHID USBHID
00033  * @ingroup USBDEV_Examples
00034  * @{
00035  */
00036 
00037 
00038 uint8_t InReport;                              /* HID Input Report    */
00039                                             /*   Bit0   : Buttons  */
00040                                             /*   Bit1..7: Reserved */
00041 
00042 uint8_t OutReport;                             /* HID Out Report      */
00043                                             /*   Bit0..7: LEDs     */
00044 
00045 
00046 /*
00047  *  Get HID Input Report -> InReport
00048  */
00049 
00050 void GetInReport (void) {
00051 
00052   if ((LPC_GPIO2 -> FIOPIN & PBINT) == 0) {             /* Check if PBINT is pressed */
00053     InReport = 0x01;
00054   } else {
00055     InReport = 0x00;
00056   }
00057 }
00058 
00059 
00060 /*
00061  *  Set HID Output Report <- OutReport
00062  */
00063 
00064 void SetOutReport (void) {
00065     //Because 8 LEDs are not ordered, so we have check each bit
00066     //of OurReport to turn on/off LED correctly
00067     uint8_t led_num;
00068     LPC_GPIO2 -> FIOCLR = LEDMSK;
00069     LPC_GPIO1 -> FIOCLR = 0xF0000000;
00070     //LED0 (P2.6)
00071     led_num = OutReport & (1<<0);
00072     if(led_num == 0)
00073         LPC_GPIO2 -> FIOCLR |= (1<<6);
00074     else
00075         LPC_GPIO2 -> FIOSET |= (1<<6);
00076     //LED1 (P2.5)
00077     led_num = OutReport & (1<<1);
00078     if(led_num == 0)
00079         LPC_GPIO2 -> FIOCLR |= (1<<5);
00080     else
00081         LPC_GPIO2 -> FIOSET |= (1<<5);
00082     //LED2 (P2.4)
00083     led_num = OutReport & (1<<2);
00084     if(led_num == 0)
00085         LPC_GPIO2 -> FIOCLR |= (1<<4);
00086     else
00087         LPC_GPIO2 -> FIOSET |= (1<<4);
00088     //LED3 (P2.3)
00089     led_num = OutReport & (1<<3);
00090     if(led_num == 0)
00091         LPC_GPIO2 -> FIOCLR |= (1<<3);
00092     else
00093         LPC_GPIO2 -> FIOSET |= (1<<3);
00094     //LED4 (P2.2)
00095     led_num = OutReport & (1<<4);
00096     if(led_num == 0)
00097         LPC_GPIO2 -> FIOCLR |= (1<<2);
00098     else
00099         LPC_GPIO2 -> FIOSET |= (1<<2);
00100     //LED5 (P1.31)
00101     led_num = OutReport & (1<<5);
00102     if(led_num == 0)
00103         LPC_GPIO1 -> FIOCLR |= (1<<31);
00104     else
00105         LPC_GPIO1 -> FIOSET |= (1<<31);
00106     //LED6 (P1.29)
00107     led_num = OutReport & (1<<6);
00108     if(led_num == 0)
00109         LPC_GPIO1 -> FIOCLR |= (1<<29);
00110     else
00111         LPC_GPIO1 -> FIOSET |= (1<<29);
00112     //LED7 (P1.28)
00113     led_num = OutReport & (1<<7);
00114     if(led_num == 0)
00115         LPC_GPIO1 -> FIOCLR |= (1<<28);
00116     else
00117         LPC_GPIO1 -> FIOSET |= (1<<28);
00118 }
00119 
00120 
00121 /* Main Program */
00122 
00123 int main (void) {
00124     LPC_GPIO2 -> FIODIR = LEDMSK;             /* LEDs, port 2, bit 0~7 output only */
00125     LPC_GPIO1 -> FIODIR = 0xF0000000;               /* LEDs, port 1, bit 28-31 output */
00126 
00127     USB_Init();                               /* USB Initialization */
00128     USB_Connect(TRUE);                        /* USB Connect */
00129 
00130     while (1);                                /* Loop forever */
00131 }
00132 
00133 #ifdef  DEBUG
00134 /*******************************************************************************
00135 * @brief        Reports the name of the source file and the source line number
00136 *               where the CHECK_PARAM error has occurred.
00137 * @param[in]    file Pointer to the source file name
00138 * @param[in]    line assert_param error line source number
00139 * @return       None
00140 *******************************************************************************/
00141 void check_failed(uint8_t *file, uint32_t line)
00142 {
00143     /* User can add his own implementation to report the file name and line number,
00144      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
00145 
00146     /* Infinite loop */
00147     while(1);
00148 }
00149 #endif
00150 
00151 /*
00152  * @}
00153  */
00154