Tick Tock / Mbed 2 deprecated CANary_merge

Attempts to merge SPI_TFT2 & SPI_TFT_ILI9341

Dependencies:   SPI_TFTx2 TFT_fonts TOUCH_TFTx2 mbed

Fork of CANary by Tick Tock

USBHostLite/usbhost_lpc17xx.cpp@185:f45e18d7b801, 2014-05-17 (annotated)

Committer:
TickTock
Date:
Sat May 17 13:29:40 2014 +0000
Revision:
185:f45e18d7b801
Parent:
146:88f7bda79d8e 
Merge branch

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TickTock 146:88f7bda79d8e 1 /*
TickTock 146:88f7bda79d8e 2 **************************************************************************************************************
TickTock 146:88f7bda79d8e 3 * NXP USB Host Stack
TickTock 146:88f7bda79d8e 4 *
TickTock 146:88f7bda79d8e 5 * (c) Copyright 2008, NXP SemiConductors
TickTock 146:88f7bda79d8e 6 * (c) Copyright 2008, OnChip Technologies LLC
TickTock 146:88f7bda79d8e 7 * All Rights Reserved
TickTock 146:88f7bda79d8e 8 *
TickTock 146:88f7bda79d8e 9 * www.nxp.com
TickTock 146:88f7bda79d8e 10 * www.onchiptech.com
TickTock 146:88f7bda79d8e 11 *
TickTock 146:88f7bda79d8e 12 * File : usbhost_lpc17xx.c
TickTock 146:88f7bda79d8e 13 * Programmer(s) : Ravikanth.P
TickTock 146:88f7bda79d8e 14 * Version :
TickTock 146:88f7bda79d8e 15 *
TickTock 146:88f7bda79d8e 16 **************************************************************************************************************
TickTock 146:88f7bda79d8e 17 */
TickTock 146:88f7bda79d8e 18
TickTock 146:88f7bda79d8e 19 /*
TickTock 146:88f7bda79d8e 20 **************************************************************************************************************
TickTock 146:88f7bda79d8e 21 * INCLUDE HEADER FILES
TickTock 146:88f7bda79d8e 22 **************************************************************************************************************
TickTock 146:88f7bda79d8e 23 */
TickTock 146:88f7bda79d8e 24
TickTock 146:88f7bda79d8e 25 #include "usbhost_lpc17xx.h"
TickTock 146:88f7bda79d8e 26
TickTock 146:88f7bda79d8e 27 /*
TickTock 146:88f7bda79d8e 28 **************************************************************************************************************
TickTock 146:88f7bda79d8e 29 * GLOBAL VARIABLES
TickTock 146:88f7bda79d8e 30 **************************************************************************************************************
TickTock 146:88f7bda79d8e 31 */
TickTock 146:88f7bda79d8e 32 int gUSBConnected;
TickTock 146:88f7bda79d8e 33
TickTock 146:88f7bda79d8e 34 volatile USB_INT32U HOST_RhscIntr = 0; /* Root Hub Status Change interrupt */
TickTock 146:88f7bda79d8e 35 volatile USB_INT32U HOST_WdhIntr = 0; /* Semaphore to wait until the TD is submitted */
TickTock 146:88f7bda79d8e 36 volatile USB_INT08U HOST_TDControlStatus = 0;
TickTock 146:88f7bda79d8e 37 volatile HCED *EDCtrl; /* Control endpoint descriptor structure */
TickTock 146:88f7bda79d8e 38 volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
TickTock 146:88f7bda79d8e 39 volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
TickTock 146:88f7bda79d8e 40 volatile HCTD *TDHead; /* Head transfer descriptor structure */
TickTock 146:88f7bda79d8e 41 volatile HCTD *TDTail; /* Tail transfer descriptor structure */
TickTock 146:88f7bda79d8e 42 volatile HCCA *Hcca; /* Host Controller Communications Area structure */
TickTock 146:88f7bda79d8e 43 USB_INT16U *TDBufNonVol; /* Identical to TDBuffer just to reduce compiler warnings */
TickTock 146:88f7bda79d8e 44 volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
TickTock 146:88f7bda79d8e 45
TickTock 146:88f7bda79d8e 46 // USB host structures
TickTock 146:88f7bda79d8e 47 // AHB SRAM block 1
TickTock 146:88f7bda79d8e 48 #define HOSTBASEADDR 0x2007C000
TickTock 146:88f7bda79d8e 49 // reserve memory for the linker
TickTock 146:88f7bda79d8e 50 static USB_INT08U HostBuf[0x200] __attribute__((at(HOSTBASEADDR)));
TickTock 146:88f7bda79d8e 51 /*
TickTock 146:88f7bda79d8e 52 **************************************************************************************************************
TickTock 146:88f7bda79d8e 53 * DELAY IN MILLI SECONDS
TickTock 146:88f7bda79d8e 54 *
TickTock 146:88f7bda79d8e 55 * Description: This function provides a delay in milli seconds
TickTock 146:88f7bda79d8e 56 *
TickTock 146:88f7bda79d8e 57 * Arguments : delay The delay required
TickTock 146:88f7bda79d8e 58 *
TickTock 146:88f7bda79d8e 59 * Returns : None
TickTock 146:88f7bda79d8e 60 *
TickTock 146:88f7bda79d8e 61 **************************************************************************************************************
TickTock 146:88f7bda79d8e 62 */
TickTock 146:88f7bda79d8e 63
TickTock 146:88f7bda79d8e 64 void Host_DelayMS (USB_INT32U delay)
TickTock 146:88f7bda79d8e 65 {
TickTock 146:88f7bda79d8e 66 volatile USB_INT32U i;
TickTock 146:88f7bda79d8e 67
TickTock 146:88f7bda79d8e 68
TickTock 146:88f7bda79d8e 69 for (i = 0; i < delay; i++) {
TickTock 146:88f7bda79d8e 70 Host_DelayUS(1000);
TickTock 146:88f7bda79d8e 71 }
TickTock 146:88f7bda79d8e 72 }
TickTock 146:88f7bda79d8e 73
TickTock 146:88f7bda79d8e 74 /*
TickTock 146:88f7bda79d8e 75 **************************************************************************************************************
TickTock 146:88f7bda79d8e 76 * DELAY IN MICRO SECONDS
TickTock 146:88f7bda79d8e 77 *
TickTock 146:88f7bda79d8e 78 * Description: This function provides a delay in micro seconds
TickTock 146:88f7bda79d8e 79 *
TickTock 146:88f7bda79d8e 80 * Arguments : delay The delay required
TickTock 146:88f7bda79d8e 81 *
TickTock 146:88f7bda79d8e 82 * Returns : None
TickTock 146:88f7bda79d8e 83 *
TickTock 146:88f7bda79d8e 84 **************************************************************************************************************
TickTock 146:88f7bda79d8e 85 */
TickTock 146:88f7bda79d8e 86
TickTock 146:88f7bda79d8e 87 void Host_DelayUS (USB_INT32U delay)
TickTock 146:88f7bda79d8e 88 {
TickTock 146:88f7bda79d8e 89 volatile USB_INT32U i;
TickTock 146:88f7bda79d8e 90
TickTock 146:88f7bda79d8e 91
TickTock 146:88f7bda79d8e 92 for (i = 0; i < (4 * delay); i++) { /* This logic was tested. It gives app. 1 micro sec delay */
TickTock 146:88f7bda79d8e 93 ;
TickTock 146:88f7bda79d8e 94 }
TickTock 146:88f7bda79d8e 95 }
TickTock 146:88f7bda79d8e 96
TickTock 146:88f7bda79d8e 97 // bits of the USB/OTG clock control register
TickTock 146:88f7bda79d8e 98 #define HOST_CLK_EN (1<<0)
TickTock 146:88f7bda79d8e 99 #define DEV_CLK_EN (1<<1)
TickTock 146:88f7bda79d8e 100 #define PORTSEL_CLK_EN (1<<3)
TickTock 146:88f7bda79d8e 101 #define AHB_CLK_EN (1<<4)
TickTock 146:88f7bda79d8e 102
TickTock 146:88f7bda79d8e 103 // bits of the USB/OTG clock status register
TickTock 146:88f7bda79d8e 104 #define HOST_CLK_ON (1<<0)
TickTock 146:88f7bda79d8e 105 #define DEV_CLK_ON (1<<1)
TickTock 146:88f7bda79d8e 106 #define PORTSEL_CLK_ON (1<<3)
TickTock 146:88f7bda79d8e 107 #define AHB_CLK_ON (1<<4)
TickTock 146:88f7bda79d8e 108
TickTock 146:88f7bda79d8e 109 // we need host clock, OTG/portsel clock and AHB clock
TickTock 146:88f7bda79d8e 110 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
TickTock 146:88f7bda79d8e 111
TickTock 146:88f7bda79d8e 112 /*
TickTock 146:88f7bda79d8e 113 **************************************************************************************************************
TickTock 146:88f7bda79d8e 114 * INITIALIZE THE HOST CONTROLLER
TickTock 146:88f7bda79d8e 115 *
TickTock 146:88f7bda79d8e 116 * Description: This function initializes lpc17xx host controller
TickTock 146:88f7bda79d8e 117 *
TickTock 146:88f7bda79d8e 118 * Arguments : None
TickTock 146:88f7bda79d8e 119 *
TickTock 146:88f7bda79d8e 120 * Returns :
TickTock 146:88f7bda79d8e 121 *
TickTock 146:88f7bda79d8e 122 **************************************************************************************************************
TickTock 146:88f7bda79d8e 123 */
TickTock 146:88f7bda79d8e 124 void Host_Init (void)
TickTock 146:88f7bda79d8e 125 {
TickTock 146:88f7bda79d8e 126 PRINT_Log("In Host_Init\n");
TickTock 146:88f7bda79d8e 127 NVIC_DisableIRQ(USB_IRQn); /* Disable the USB interrupt source */
TickTock 146:88f7bda79d8e 128
TickTock 146:88f7bda79d8e 129 // turn on power for USB
TickTock 146:88f7bda79d8e 130 LPC_SC->PCONP |= (1UL<<31);
TickTock 146:88f7bda79d8e 131 // Enable USB host clock, port selection and AHB clock
TickTock 146:88f7bda79d8e 132 LPC_USB->USBClkCtrl |= CLOCK_MASK;
TickTock 146:88f7bda79d8e 133 // Wait for clocks to become available
TickTock 146:88f7bda79d8e 134 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
TickTock 146:88f7bda79d8e 135 ;
TickTock 146:88f7bda79d8e 136
TickTock 146:88f7bda79d8e 137 // it seems the bits[0:1] mean the following
TickTock 146:88f7bda79d8e 138 // 0: U1=device, U2=host
TickTock 146:88f7bda79d8e 139 // 1: U1=host, U2=host
TickTock 146:88f7bda79d8e 140 // 2: reserved
TickTock 146:88f7bda79d8e 141 // 3: U1=host, U2=device
TickTock 146:88f7bda79d8e 142 // NB: this register is only available if OTG clock (aka "port select") is enabled!!
TickTock 146:88f7bda79d8e 143 // since we don't care about port 2, set just bit 0 to 1 (U1=host)
TickTock 146:88f7bda79d8e 144 LPC_USB->OTGStCtrl |= 1;
TickTock 146:88f7bda79d8e 145
TickTock 146:88f7bda79d8e 146 // now that we've configured the ports, we can turn off the portsel clock
TickTock 146:88f7bda79d8e 147 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN;
TickTock 146:88f7bda79d8e 148
TickTock 146:88f7bda79d8e 149 // power pins are not connected on mbed, so we can skip them
TickTock 146:88f7bda79d8e 150 /* P1[18] = USB_UP_LED, 01 */
TickTock 146:88f7bda79d8e 151 /* P1[19] = /USB_PPWR, 10 */
TickTock 146:88f7bda79d8e 152 /* P1[22] = USB_PWRD, 10 */
TickTock 146:88f7bda79d8e 153 /* P1[27] = /USB_OVRCR, 10 */
TickTock 146:88f7bda79d8e 154 /*LPC_PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22));
TickTock 146:88f7bda79d8e 155 LPC_PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080
TickTock 146:88f7bda79d8e 156 */
TickTock 146:88f7bda79d8e 157
TickTock 146:88f7bda79d8e 158 // configure USB D+/D- pins
TickTock 146:88f7bda79d8e 159 /* P0[29] = USB_D+, 01 */
TickTock 146:88f7bda79d8e 160 /* P0[30] = USB_D-, 01 */
TickTock 146:88f7bda79d8e 161 LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
TickTock 146:88f7bda79d8e 162 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000
TickTock 146:88f7bda79d8e 163
TickTock 146:88f7bda79d8e 164 PRINT_Log("Initializing Host Stack\n");
TickTock 146:88f7bda79d8e 165
TickTock 146:88f7bda79d8e 166 Hcca = (volatile HCCA *)(HostBuf+0x000);
TickTock 146:88f7bda79d8e 167 TDHead = (volatile HCTD *)(HostBuf+0x100);
TickTock 146:88f7bda79d8e 168 TDTail = (volatile HCTD *)(HostBuf+0x110);
TickTock 146:88f7bda79d8e 169 EDCtrl = (volatile HCED *)(HostBuf+0x120);
TickTock 146:88f7bda79d8e 170 EDBulkIn = (volatile HCED *)(HostBuf+0x130);
TickTock 146:88f7bda79d8e 171 EDBulkOut = (volatile HCED *)(HostBuf+0x140);
TickTock 146:88f7bda79d8e 172 TDBuffer = (volatile USB_INT08U *)(HostBuf+0x150);
TickTock 146:88f7bda79d8e 173
TickTock 146:88f7bda79d8e 174 /* Initialize all the TDs, EDs and HCCA to 0 */
TickTock 146:88f7bda79d8e 175 Host_EDInit(EDCtrl);
TickTock 146:88f7bda79d8e 176 Host_EDInit(EDBulkIn);
TickTock 146:88f7bda79d8e 177 Host_EDInit(EDBulkOut);
TickTock 146:88f7bda79d8e 178 Host_TDInit(TDHead);
TickTock 146:88f7bda79d8e 179 Host_TDInit(TDTail);
TickTock 146:88f7bda79d8e 180 Host_HCCAInit(Hcca);
TickTock 146:88f7bda79d8e 181
TickTock 146:88f7bda79d8e 182 Host_DelayMS(50); /* Wait 50 ms before apply reset */
TickTock 146:88f7bda79d8e 183 LPC_USB->HcControl = 0; /* HARDWARE RESET */
TickTock 146:88f7bda79d8e 184 LPC_USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */
TickTock 146:88f7bda79d8e 185 LPC_USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */
TickTock 146:88f7bda79d8e 186
TickTock 146:88f7bda79d8e 187 /* SOFTWARE RESET */
TickTock 146:88f7bda79d8e 188 LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR;
TickTock 146:88f7bda79d8e 189 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */
TickTock 146:88f7bda79d8e 190
TickTock 146:88f7bda79d8e 191 /* Put HC in operational state */
TickTock 146:88f7bda79d8e 192 LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
TickTock 146:88f7bda79d8e 193 LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */
TickTock 146:88f7bda79d8e 194
TickTock 146:88f7bda79d8e 195 LPC_USB->HcHCCA = (USB_INT32U)Hcca;
TickTock 146:88f7bda79d8e 196 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; /* Clear Interrrupt Status */
TickTock 146:88f7bda79d8e 197
TickTock 146:88f7bda79d8e 198
TickTock 146:88f7bda79d8e 199 LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE |
TickTock 146:88f7bda79d8e 200 OR_INTR_ENABLE_WDH |
TickTock 146:88f7bda79d8e 201 OR_INTR_ENABLE_RHSC;
TickTock 146:88f7bda79d8e 202
TickTock 146:88f7bda79d8e 203 NVIC_SetPriority(USB_IRQn, 0); /* highest priority */
TickTock 146:88f7bda79d8e 204 /* Enable the USB Interrupt */
TickTock 146:88f7bda79d8e 205 NVIC_EnableIRQ(USB_IRQn);
TickTock 146:88f7bda79d8e 206 PRINT_Log("Host Initialized\n");
TickTock 146:88f7bda79d8e 207 }
TickTock 146:88f7bda79d8e 208
TickTock 146:88f7bda79d8e 209 /*
TickTock 146:88f7bda79d8e 210 **************************************************************************************************************
TickTock 146:88f7bda79d8e 211 * INTERRUPT SERVICE ROUTINE
TickTock 146:88f7bda79d8e 212 *
TickTock 146:88f7bda79d8e 213 * Description: This function services the interrupt caused by host controller
TickTock 146:88f7bda79d8e 214 *
TickTock 146:88f7bda79d8e 215 * Arguments : None
TickTock 146:88f7bda79d8e 216 *
TickTock 146:88f7bda79d8e 217 * Returns : None
TickTock 146:88f7bda79d8e 218 *
TickTock 146:88f7bda79d8e 219 **************************************************************************************************************
TickTock 146:88f7bda79d8e 220 */
TickTock 146:88f7bda79d8e 221
TickTock 146:88f7bda79d8e 222 void USB_IRQHandler (void) __irq
TickTock 146:88f7bda79d8e 223 {
TickTock 146:88f7bda79d8e 224 USB_INT32U int_status;
TickTock 146:88f7bda79d8e 225 USB_INT32U ie_status;
TickTock 146:88f7bda79d8e 226
TickTock 146:88f7bda79d8e 227 int_status = LPC_USB->HcInterruptStatus; /* Read Interrupt Status */
TickTock 146:88f7bda79d8e 228 ie_status = LPC_USB->HcInterruptEnable; /* Read Interrupt enable status */
TickTock 146:88f7bda79d8e 229
TickTock 146:88f7bda79d8e 230 if (!(int_status & ie_status)) {
TickTock 146:88f7bda79d8e 231 return;
TickTock 146:88f7bda79d8e 232 } else {
TickTock 146:88f7bda79d8e 233
TickTock 146:88f7bda79d8e 234 int_status = int_status & ie_status;
TickTock 146:88f7bda79d8e 235 if (int_status & OR_INTR_STATUS_RHSC) { /* Root hub status change interrupt */
TickTock 146:88f7bda79d8e 236 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) {
TickTock 146:88f7bda79d8e 237 if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) {
TickTock 146:88f7bda79d8e 238 /*
TickTock 146:88f7bda79d8e 239 * When DRWE is on, Connect Status Change
TickTock 146:88f7bda79d8e 240 * means a remote wakeup event.
TickTock 146:88f7bda79d8e 241 */
TickTock 146:88f7bda79d8e 242 HOST_RhscIntr = 1;// JUST SOMETHING FOR A BREAKPOINT
TickTock 146:88f7bda79d8e 243 }
TickTock 146:88f7bda79d8e 244 else {
TickTock 146:88f7bda79d8e 245 /*
TickTock 146:88f7bda79d8e 246 * When DRWE is off, Connect Status Change
TickTock 146:88f7bda79d8e 247 * is NOT a remote wakeup event
TickTock 146:88f7bda79d8e 248 */
TickTock 146:88f7bda79d8e 249 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) {
TickTock 146:88f7bda79d8e 250 if (!gUSBConnected) {
TickTock 146:88f7bda79d8e 251 HOST_TDControlStatus = 0;
TickTock 146:88f7bda79d8e 252 HOST_WdhIntr = 0;
TickTock 146:88f7bda79d8e 253 HOST_RhscIntr = 1;
TickTock 146:88f7bda79d8e 254 gUSBConnected = 1;
TickTock 146:88f7bda79d8e 255 }
TickTock 146:88f7bda79d8e 256 else
TickTock 146:88f7bda79d8e 257 PRINT_Log("Spurious status change (connected)?\n");
TickTock 146:88f7bda79d8e 258 } else {
TickTock 146:88f7bda79d8e 259 if (gUSBConnected) {
TickTock 146:88f7bda79d8e 260 LPC_USB->HcInterruptEnable = 0; // why do we get multiple disc. rupts???
TickTock 146:88f7bda79d8e 261 HOST_RhscIntr = 0;
TickTock 146:88f7bda79d8e 262 gUSBConnected = 0;
TickTock 146:88f7bda79d8e 263 }
TickTock 146:88f7bda79d8e 264 else
TickTock 146:88f7bda79d8e 265 PRINT_Log("Spurious status change (disconnected)?\n");
TickTock 146:88f7bda79d8e 266 }
TickTock 146:88f7bda79d8e 267 }
TickTock 146:88f7bda79d8e 268 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
TickTock 146:88f7bda79d8e 269 }
TickTock 146:88f7bda79d8e 270 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) {
TickTock 146:88f7bda79d8e 271 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
TickTock 146:88f7bda79d8e 272 }
TickTock 146:88f7bda79d8e 273 }
TickTock 146:88f7bda79d8e 274 if (int_status & OR_INTR_STATUS_WDH) { /* Writeback Done Head interrupt */
TickTock 146:88f7bda79d8e 275 HOST_WdhIntr = 1;
TickTock 146:88f7bda79d8e 276 HOST_TDControlStatus = (TDHead->Control >> 28) & 0xf;
TickTock 146:88f7bda79d8e 277 }
TickTock 146:88f7bda79d8e 278 LPC_USB->HcInterruptStatus = int_status; /* Clear interrupt status register */
TickTock 146:88f7bda79d8e 279 }
TickTock 146:88f7bda79d8e 280 return;
TickTock 146:88f7bda79d8e 281 }
TickTock 146:88f7bda79d8e 282
TickTock 146:88f7bda79d8e 283 /*
TickTock 146:88f7bda79d8e 284 **************************************************************************************************************
TickTock 146:88f7bda79d8e 285 * PROCESS TRANSFER DESCRIPTOR
TickTock 146:88f7bda79d8e 286 *
TickTock 146:88f7bda79d8e 287 * Description: This function processes the transfer descriptor
TickTock 146:88f7bda79d8e 288 *
TickTock 146:88f7bda79d8e 289 * Arguments : ed Endpoint descriptor that contains this transfer descriptor
TickTock 146:88f7bda79d8e 290 * token SETUP, IN, OUT
TickTock 146:88f7bda79d8e 291 * buffer Current Buffer Pointer of the transfer descriptor
TickTock 146:88f7bda79d8e 292 * buffer_len Length of the buffer
TickTock 146:88f7bda79d8e 293 *
TickTock 146:88f7bda79d8e 294 * Returns : OK if TD submission is successful
TickTock 146:88f7bda79d8e 295 * ERROR if TD submission fails
TickTock 146:88f7bda79d8e 296 *
TickTock 146:88f7bda79d8e 297 **************************************************************************************************************
TickTock 146:88f7bda79d8e 298 */
TickTock 146:88f7bda79d8e 299
TickTock 146:88f7bda79d8e 300 USB_INT32S Host_ProcessTD (volatile HCED *ed,
TickTock 146:88f7bda79d8e 301 volatile USB_INT32U token,
TickTock 146:88f7bda79d8e 302 volatile USB_INT08U *buffer,
TickTock 146:88f7bda79d8e 303 USB_INT32U buffer_len)
TickTock 146:88f7bda79d8e 304 {
TickTock 146:88f7bda79d8e 305 volatile USB_INT32U td_toggle;
TickTock 146:88f7bda79d8e 306
TickTock 146:88f7bda79d8e 307
TickTock 146:88f7bda79d8e 308 if (ed == EDCtrl) {
TickTock 146:88f7bda79d8e 309 if (token == TD_SETUP) {
TickTock 146:88f7bda79d8e 310 td_toggle = TD_TOGGLE_0;
TickTock 146:88f7bda79d8e 311 } else {
TickTock 146:88f7bda79d8e 312 td_toggle = TD_TOGGLE_1;
TickTock 146:88f7bda79d8e 313 }
TickTock 146:88f7bda79d8e 314 } else {
TickTock 146:88f7bda79d8e 315 td_toggle = 0;
TickTock 146:88f7bda79d8e 316 }
TickTock 146:88f7bda79d8e 317 TDHead->Control = (TD_ROUNDING |
TickTock 146:88f7bda79d8e 318 token |
TickTock 146:88f7bda79d8e 319 TD_DELAY_INT(0) |
TickTock 146:88f7bda79d8e 320 td_toggle |
TickTock 146:88f7bda79d8e 321 TD_CC);
TickTock 146:88f7bda79d8e 322 TDTail->Control = 0;
TickTock 146:88f7bda79d8e 323 TDHead->CurrBufPtr = (USB_INT32U) buffer;
TickTock 146:88f7bda79d8e 324 TDTail->CurrBufPtr = 0;
TickTock 146:88f7bda79d8e 325 TDHead->Next = (USB_INT32U) TDTail;
TickTock 146:88f7bda79d8e 326 TDTail->Next = 0;
TickTock 146:88f7bda79d8e 327 TDHead->BufEnd = (USB_INT32U)(buffer + (buffer_len - 1));
TickTock 146:88f7bda79d8e 328 TDTail->BufEnd = 0;
TickTock 146:88f7bda79d8e 329
TickTock 146:88f7bda79d8e 330 ed->HeadTd = (USB_INT32U)TDHead | ((ed->HeadTd) & 0x00000002);
TickTock 146:88f7bda79d8e 331 ed->TailTd = (USB_INT32U)TDTail;
TickTock 146:88f7bda79d8e 332 ed->Next = 0;
TickTock 146:88f7bda79d8e 333
TickTock 146:88f7bda79d8e 334 if (ed == EDCtrl) {
TickTock 146:88f7bda79d8e 335 LPC_USB->HcControlHeadED = (USB_INT32U)ed;
TickTock 146:88f7bda79d8e 336 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF;
TickTock 146:88f7bda79d8e 337 LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE;
TickTock 146:88f7bda79d8e 338 } else {
TickTock 146:88f7bda79d8e 339 LPC_USB->HcBulkHeadED = (USB_INT32U)ed;
TickTock 146:88f7bda79d8e 340 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF;
TickTock 146:88f7bda79d8e 341 LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE;
TickTock 146:88f7bda79d8e 342 }
TickTock 146:88f7bda79d8e 343
TickTock 146:88f7bda79d8e 344 Host_WDHWait();
TickTock 146:88f7bda79d8e 345
TickTock 146:88f7bda79d8e 346 // if (!(TDHead->Control & 0xF0000000)) {
TickTock 146:88f7bda79d8e 347 if (!HOST_TDControlStatus) {
TickTock 146:88f7bda79d8e 348 return (OK);
TickTock 146:88f7bda79d8e 349 } else {
TickTock 146:88f7bda79d8e 350 return (ERR_TD_FAIL);
TickTock 146:88f7bda79d8e 351 }
TickTock 146:88f7bda79d8e 352 }
TickTock 146:88f7bda79d8e 353
TickTock 146:88f7bda79d8e 354 /*
TickTock 146:88f7bda79d8e 355 **************************************************************************************************************
TickTock 146:88f7bda79d8e 356 * ENUMERATE THE DEVICE
TickTock 146:88f7bda79d8e 357 *
TickTock 146:88f7bda79d8e 358 * Description: This function is used to enumerate the device connected
TickTock 146:88f7bda79d8e 359 *
TickTock 146:88f7bda79d8e 360 * Arguments : None
TickTock 146:88f7bda79d8e 361 *
TickTock 146:88f7bda79d8e 362 * Returns : None
TickTock 146:88f7bda79d8e 363 *
TickTock 146:88f7bda79d8e 364 **************************************************************************************************************
TickTock 146:88f7bda79d8e 365 */
TickTock 146:88f7bda79d8e 366
TickTock 146:88f7bda79d8e 367 USB_INT32S Host_EnumDev (void)
TickTock 146:88f7bda79d8e 368 {
TickTock 146:88f7bda79d8e 369 USB_INT32S rc;
TickTock 146:88f7bda79d8e 370
TickTock 146:88f7bda79d8e 371 PRINT_Log("Connect a Mass Storage device\n");
TickTock 146:88f7bda79d8e 372 while (!HOST_RhscIntr)
TickTock 146:88f7bda79d8e 373 __WFI();
TickTock 146:88f7bda79d8e 374 Host_DelayMS(100); /* USB 2.0 spec says atleast 50ms delay beore port reset */
TickTock 146:88f7bda79d8e 375 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset
TickTock 146:88f7bda79d8e 376 while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS)
TickTock 146:88f7bda79d8e 377 __WFI(); // Wait for port reset to complete...
TickTock 146:88f7bda79d8e 378 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal
TickTock 146:88f7bda79d8e 379 Host_DelayMS(200); /* Wait for 100 MS after port reset */
TickTock 146:88f7bda79d8e 380
TickTock 146:88f7bda79d8e 381 EDCtrl->Control = 8 << 16; /* Put max pkt size = 8 */
TickTock 146:88f7bda79d8e 382 /* Read first 8 bytes of device desc */
TickTock 146:88f7bda79d8e 383 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 8);
TickTock 146:88f7bda79d8e 384 if (rc != OK) {
TickTock 146:88f7bda79d8e 385 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 386 return (rc);
TickTock 146:88f7bda79d8e 387 }
TickTock 146:88f7bda79d8e 388 EDCtrl->Control = TDBuffer[7] << 16; /* Get max pkt size of endpoint 0 */
TickTock 146:88f7bda79d8e 389 rc = HOST_SET_ADDRESS(1); /* Set the device address to 1 */
TickTock 146:88f7bda79d8e 390 if (rc != OK) {
TickTock 146:88f7bda79d8e 391 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 392 return (rc);
TickTock 146:88f7bda79d8e 393 }
TickTock 146:88f7bda79d8e 394 Host_DelayMS(2);
TickTock 146:88f7bda79d8e 395 EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */
TickTock 146:88f7bda79d8e 396 /* Get the configuration descriptor */
TickTock 146:88f7bda79d8e 397 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, 9);
TickTock 146:88f7bda79d8e 398 if (rc != OK) {
TickTock 146:88f7bda79d8e 399 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 400 return (rc);
TickTock 146:88f7bda79d8e 401 }
TickTock 146:88f7bda79d8e 402 /* Get the first configuration data */
TickTock 146:88f7bda79d8e 403 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, ReadLE16U(&TDBuffer[2]));
TickTock 146:88f7bda79d8e 404 if (rc != OK) {
TickTock 146:88f7bda79d8e 405 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 406 return (rc);
TickTock 146:88f7bda79d8e 407 }
TickTock 146:88f7bda79d8e 408 rc = MS_ParseConfiguration(); /* Parse the configuration */
TickTock 146:88f7bda79d8e 409 if (rc != OK) {
TickTock 146:88f7bda79d8e 410 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 411 return (rc);
TickTock 146:88f7bda79d8e 412 }
TickTock 146:88f7bda79d8e 413 rc = USBH_SET_CONFIGURATION(1); /* Select device configuration 1 */
TickTock 146:88f7bda79d8e 414 if (rc != OK) {
TickTock 146:88f7bda79d8e 415 PRINT_Err(rc);
TickTock 146:88f7bda79d8e 416 }
TickTock 146:88f7bda79d8e 417 Host_DelayMS(100); /* Some devices may require this delay */
TickTock 146:88f7bda79d8e 418 return (rc);
TickTock 146:88f7bda79d8e 419 }
TickTock 146:88f7bda79d8e 420
TickTock 146:88f7bda79d8e 421 /*
TickTock 146:88f7bda79d8e 422 **************************************************************************************************************
TickTock 146:88f7bda79d8e 423 * RECEIVE THE CONTROL INFORMATION
TickTock 146:88f7bda79d8e 424 *
TickTock 146:88f7bda79d8e 425 * Description: This function is used to receive the control information
TickTock 146:88f7bda79d8e 426 *
TickTock 146:88f7bda79d8e 427 * Arguments : bm_request_type
TickTock 146:88f7bda79d8e 428 * b_request
TickTock 146:88f7bda79d8e 429 * w_value
TickTock 146:88f7bda79d8e 430 * w_index
TickTock 146:88f7bda79d8e 431 * w_length
TickTock 146:88f7bda79d8e 432 * buffer
TickTock 146:88f7bda79d8e 433 *
TickTock 146:88f7bda79d8e 434 * Returns : OK if Success
TickTock 146:88f7bda79d8e 435 * ERROR if Failed
TickTock 146:88f7bda79d8e 436 *
TickTock 146:88f7bda79d8e 437 **************************************************************************************************************
TickTock 146:88f7bda79d8e 438 */
TickTock 146:88f7bda79d8e 439
TickTock 146:88f7bda79d8e 440 USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
TickTock 146:88f7bda79d8e 441 USB_INT08U b_request,
TickTock 146:88f7bda79d8e 442 USB_INT16U w_value,
TickTock 146:88f7bda79d8e 443 USB_INT16U w_index,
TickTock 146:88f7bda79d8e 444 USB_INT16U w_length,
TickTock 146:88f7bda79d8e 445 volatile USB_INT08U *buffer)
TickTock 146:88f7bda79d8e 446 {
TickTock 146:88f7bda79d8e 447 USB_INT32S rc;
TickTock 146:88f7bda79d8e 448
TickTock 146:88f7bda79d8e 449
TickTock 146:88f7bda79d8e 450 Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
TickTock 146:88f7bda79d8e 451 rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
TickTock 146:88f7bda79d8e 452 if (rc == OK) {
TickTock 146:88f7bda79d8e 453 if (w_length) {
TickTock 146:88f7bda79d8e 454 rc = Host_ProcessTD(EDCtrl, TD_IN, TDBuffer, w_length);
TickTock 146:88f7bda79d8e 455 }
TickTock 146:88f7bda79d8e 456 if (rc == OK) {
TickTock 146:88f7bda79d8e 457 rc = Host_ProcessTD(EDCtrl, TD_OUT, NULL, 0);
TickTock 146:88f7bda79d8e 458 }
TickTock 146:88f7bda79d8e 459 }
TickTock 146:88f7bda79d8e 460 return (rc);
TickTock 146:88f7bda79d8e 461 }
TickTock 146:88f7bda79d8e 462
TickTock 146:88f7bda79d8e 463 /*
TickTock 146:88f7bda79d8e 464 **************************************************************************************************************
TickTock 146:88f7bda79d8e 465 * SEND THE CONTROL INFORMATION
TickTock 146:88f7bda79d8e 466 *
TickTock 146:88f7bda79d8e 467 * Description: This function is used to send the control information
TickTock 146:88f7bda79d8e 468 *
TickTock 146:88f7bda79d8e 469 * Arguments : None
TickTock 146:88f7bda79d8e 470 *
TickTock 146:88f7bda79d8e 471 * Returns : OK if Success
TickTock 146:88f7bda79d8e 472 * ERR_INVALID_BOOTSIG if Failed
TickTock 146:88f7bda79d8e 473 *
TickTock 146:88f7bda79d8e 474 **************************************************************************************************************
TickTock 146:88f7bda79d8e 475 */
TickTock 146:88f7bda79d8e 476
TickTock 146:88f7bda79d8e 477 USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
TickTock 146:88f7bda79d8e 478 USB_INT08U b_request,
TickTock 146:88f7bda79d8e 479 USB_INT16U w_value,
TickTock 146:88f7bda79d8e 480 USB_INT16U w_index,
TickTock 146:88f7bda79d8e 481 USB_INT16U w_length,
TickTock 146:88f7bda79d8e 482 volatile USB_INT08U *buffer)
TickTock 146:88f7bda79d8e 483 {
TickTock 146:88f7bda79d8e 484 USB_INT32S rc;
TickTock 146:88f7bda79d8e 485
TickTock 146:88f7bda79d8e 486
TickTock 146:88f7bda79d8e 487 Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
TickTock 146:88f7bda79d8e 488
TickTock 146:88f7bda79d8e 489 rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
TickTock 146:88f7bda79d8e 490 if (rc == OK) {
TickTock 146:88f7bda79d8e 491 if (w_length) {
TickTock 146:88f7bda79d8e 492 rc = Host_ProcessTD(EDCtrl, TD_OUT, TDBuffer, w_length);
TickTock 146:88f7bda79d8e 493 }
TickTock 146:88f7bda79d8e 494 if (rc == OK) {
TickTock 146:88f7bda79d8e 495 rc = Host_ProcessTD(EDCtrl, TD_IN, NULL, 0);
TickTock 146:88f7bda79d8e 496 }
TickTock 146:88f7bda79d8e 497 }
TickTock 146:88f7bda79d8e 498 return (rc);
TickTock 146:88f7bda79d8e 499 }
TickTock 146:88f7bda79d8e 500
TickTock 146:88f7bda79d8e 501 /*
TickTock 146:88f7bda79d8e 502 **************************************************************************************************************
TickTock 146:88f7bda79d8e 503 * FILL SETUP PACKET
TickTock 146:88f7bda79d8e 504 *
TickTock 146:88f7bda79d8e 505 * Description: This function is used to fill the setup packet
TickTock 146:88f7bda79d8e 506 *
TickTock 146:88f7bda79d8e 507 * Arguments : None
TickTock 146:88f7bda79d8e 508 *
TickTock 146:88f7bda79d8e 509 * Returns : OK if Success
TickTock 146:88f7bda79d8e 510 * ERR_INVALID_BOOTSIG if Failed
TickTock 146:88f7bda79d8e 511 *
TickTock 146:88f7bda79d8e 512 **************************************************************************************************************
TickTock 146:88f7bda79d8e 513 */
TickTock 146:88f7bda79d8e 514
TickTock 146:88f7bda79d8e 515 void Host_FillSetup (USB_INT08U bm_request_type,
TickTock 146:88f7bda79d8e 516 USB_INT08U b_request,
TickTock 146:88f7bda79d8e 517 USB_INT16U w_value,
TickTock 146:88f7bda79d8e 518 USB_INT16U w_index,
TickTock 146:88f7bda79d8e 519 USB_INT16U w_length)
TickTock 146:88f7bda79d8e 520 {
TickTock 146:88f7bda79d8e 521 int i;
TickTock 146:88f7bda79d8e 522 for (i=0;i<w_length;i++)
TickTock 146:88f7bda79d8e 523 TDBuffer[i] = 0;
TickTock 146:88f7bda79d8e 524
TickTock 146:88f7bda79d8e 525 TDBuffer[0] = bm_request_type;
TickTock 146:88f7bda79d8e 526 TDBuffer[1] = b_request;
TickTock 146:88f7bda79d8e 527 WriteLE16U(&TDBuffer[2], w_value);
TickTock 146:88f7bda79d8e 528 WriteLE16U(&TDBuffer[4], w_index);
TickTock 146:88f7bda79d8e 529 WriteLE16U(&TDBuffer[6], w_length);
TickTock 146:88f7bda79d8e 530 }
TickTock 146:88f7bda79d8e 531
TickTock 146:88f7bda79d8e 532
TickTock 146:88f7bda79d8e 533
TickTock 146:88f7bda79d8e 534 /*
TickTock 146:88f7bda79d8e 535 **************************************************************************************************************
TickTock 146:88f7bda79d8e 536 * INITIALIZE THE TRANSFER DESCRIPTOR
TickTock 146:88f7bda79d8e 537 *
TickTock 146:88f7bda79d8e 538 * Description: This function initializes transfer descriptor
TickTock 146:88f7bda79d8e 539 *
TickTock 146:88f7bda79d8e 540 * Arguments : Pointer to TD structure
TickTock 146:88f7bda79d8e 541 *
TickTock 146:88f7bda79d8e 542 * Returns : None
TickTock 146:88f7bda79d8e 543 *
TickTock 146:88f7bda79d8e 544 **************************************************************************************************************
TickTock 146:88f7bda79d8e 545 */
TickTock 146:88f7bda79d8e 546
TickTock 146:88f7bda79d8e 547 void Host_TDInit (volatile HCTD *td)
TickTock 146:88f7bda79d8e 548 {
TickTock 146:88f7bda79d8e 549
TickTock 146:88f7bda79d8e 550 td->Control = 0;
TickTock 146:88f7bda79d8e 551 td->CurrBufPtr = 0;
TickTock 146:88f7bda79d8e 552 td->Next = 0;
TickTock 146:88f7bda79d8e 553 td->BufEnd = 0;
TickTock 146:88f7bda79d8e 554 }
TickTock 146:88f7bda79d8e 555
TickTock 146:88f7bda79d8e 556 /*
TickTock 146:88f7bda79d8e 557 **************************************************************************************************************
TickTock 146:88f7bda79d8e 558 * INITIALIZE THE ENDPOINT DESCRIPTOR
TickTock 146:88f7bda79d8e 559 *
TickTock 146:88f7bda79d8e 560 * Description: This function initializes endpoint descriptor
TickTock 146:88f7bda79d8e 561 *
TickTock 146:88f7bda79d8e 562 * Arguments : Pointer to ED strcuture
TickTock 146:88f7bda79d8e 563 *
TickTock 146:88f7bda79d8e 564 * Returns : None
TickTock 146:88f7bda79d8e 565 *
TickTock 146:88f7bda79d8e 566 **************************************************************************************************************
TickTock 146:88f7bda79d8e 567 */
TickTock 146:88f7bda79d8e 568
TickTock 146:88f7bda79d8e 569 void Host_EDInit (volatile HCED *ed)
TickTock 146:88f7bda79d8e 570 {
TickTock 146:88f7bda79d8e 571
TickTock 146:88f7bda79d8e 572 ed->Control = 0;
TickTock 146:88f7bda79d8e 573 ed->TailTd = 0;
TickTock 146:88f7bda79d8e 574 ed->HeadTd = 0;
TickTock 146:88f7bda79d8e 575 ed->Next = 0;
TickTock 146:88f7bda79d8e 576 }
TickTock 146:88f7bda79d8e 577
TickTock 146:88f7bda79d8e 578 /*
TickTock 146:88f7bda79d8e 579 **************************************************************************************************************
TickTock 146:88f7bda79d8e 580 * INITIALIZE HOST CONTROLLER COMMUNICATIONS AREA
TickTock 146:88f7bda79d8e 581 *
TickTock 146:88f7bda79d8e 582 * Description: This function initializes host controller communications area
TickTock 146:88f7bda79d8e 583 *
TickTock 146:88f7bda79d8e 584 * Arguments : Pointer to HCCA
TickTock 146:88f7bda79d8e 585 *
TickTock 146:88f7bda79d8e 586 * Returns :
TickTock 146:88f7bda79d8e 587 *
TickTock 146:88f7bda79d8e 588 **************************************************************************************************************
TickTock 146:88f7bda79d8e 589 */
TickTock 146:88f7bda79d8e 590
TickTock 146:88f7bda79d8e 591 void Host_HCCAInit (volatile HCCA *hcca)
TickTock 146:88f7bda79d8e 592 {
TickTock 146:88f7bda79d8e 593 USB_INT32U i;
TickTock 146:88f7bda79d8e 594
TickTock 146:88f7bda79d8e 595
TickTock 146:88f7bda79d8e 596 for (i = 0; i < 32; i++) {
TickTock 146:88f7bda79d8e 597
TickTock 146:88f7bda79d8e 598 hcca->IntTable[i] = 0;
TickTock 146:88f7bda79d8e 599 hcca->FrameNumber = 0;
TickTock 146:88f7bda79d8e 600 hcca->DoneHead = 0;
TickTock 146:88f7bda79d8e 601 }
TickTock 146:88f7bda79d8e 602
TickTock 146:88f7bda79d8e 603 }
TickTock 146:88f7bda79d8e 604
TickTock 146:88f7bda79d8e 605 /*
TickTock 146:88f7bda79d8e 606 **************************************************************************************************************
TickTock 146:88f7bda79d8e 607 * WAIT FOR WDH INTERRUPT
TickTock 146:88f7bda79d8e 608 *
TickTock 146:88f7bda79d8e 609 * Description: This function is infinite loop which breaks when ever a WDH interrupt rises
TickTock 146:88f7bda79d8e 610 *
TickTock 146:88f7bda79d8e 611 * Arguments : None
TickTock 146:88f7bda79d8e 612 *
TickTock 146:88f7bda79d8e 613 * Returns : None
TickTock 146:88f7bda79d8e 614 *
TickTock 146:88f7bda79d8e 615 **************************************************************************************************************
TickTock 146:88f7bda79d8e 616 */
TickTock 146:88f7bda79d8e 617
TickTock 146:88f7bda79d8e 618 void Host_WDHWait (void)
TickTock 146:88f7bda79d8e 619 {
TickTock 146:88f7bda79d8e 620 while (!HOST_WdhIntr)
TickTock 146:88f7bda79d8e 621 __WFI();
TickTock 146:88f7bda79d8e 622
TickTock 146:88f7bda79d8e 623 HOST_WdhIntr = 0;
TickTock 146:88f7bda79d8e 624 }
TickTock 146:88f7bda79d8e 625
TickTock 146:88f7bda79d8e 626 /*
TickTock 146:88f7bda79d8e 627 **************************************************************************************************************
TickTock 146:88f7bda79d8e 628 * READ LE 32U
TickTock 146:88f7bda79d8e 629 *
TickTock 146:88f7bda79d8e 630 * Description: This function is used to read an unsigned integer from a character buffer in the platform
TickTock 146:88f7bda79d8e 631 * containing little endian processor
TickTock 146:88f7bda79d8e 632 *
TickTock 146:88f7bda79d8e 633 * Arguments : pmem Pointer to the character buffer
TickTock 146:88f7bda79d8e 634 *
TickTock 146:88f7bda79d8e 635 * Returns : val Unsigned integer
TickTock 146:88f7bda79d8e 636 *
TickTock 146:88f7bda79d8e 637 **************************************************************************************************************
TickTock 146:88f7bda79d8e 638 */
TickTock 146:88f7bda79d8e 639
TickTock 146:88f7bda79d8e 640 USB_INT32U ReadLE32U (volatile USB_INT08U *pmem)
TickTock 146:88f7bda79d8e 641 {
TickTock 146:88f7bda79d8e 642 USB_INT32U val = *(USB_INT32U*)pmem;
TickTock 146:88f7bda79d8e 643 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 644 return __REV(val);
TickTock 146:88f7bda79d8e 645 #else
TickTock 146:88f7bda79d8e 646 return val;
TickTock 146:88f7bda79d8e 647 #endif
TickTock 146:88f7bda79d8e 648 }
TickTock 146:88f7bda79d8e 649
TickTock 146:88f7bda79d8e 650 /*
TickTock 146:88f7bda79d8e 651 **************************************************************************************************************
TickTock 146:88f7bda79d8e 652 * WRITE LE 32U
TickTock 146:88f7bda79d8e 653 *
TickTock 146:88f7bda79d8e 654 * Description: This function is used to write an unsigned integer into a charecter buffer in the platform
TickTock 146:88f7bda79d8e 655 * containing little endian processor.
TickTock 146:88f7bda79d8e 656 *
TickTock 146:88f7bda79d8e 657 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 658 * val Integer value to be placed in the charecter buffer
TickTock 146:88f7bda79d8e 659 *
TickTock 146:88f7bda79d8e 660 * Returns : None
TickTock 146:88f7bda79d8e 661 *
TickTock 146:88f7bda79d8e 662 **************************************************************************************************************
TickTock 146:88f7bda79d8e 663 */
TickTock 146:88f7bda79d8e 664
TickTock 146:88f7bda79d8e 665 void WriteLE32U (volatile USB_INT08U *pmem,
TickTock 146:88f7bda79d8e 666 USB_INT32U val)
TickTock 146:88f7bda79d8e 667 {
TickTock 146:88f7bda79d8e 668 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 669 *(USB_INT32U*)pmem = __REV(val);
TickTock 146:88f7bda79d8e 670 #else
TickTock 146:88f7bda79d8e 671 *(USB_INT32U*)pmem = val;
TickTock 146:88f7bda79d8e 672 #endif
TickTock 146:88f7bda79d8e 673 }
TickTock 146:88f7bda79d8e 674
TickTock 146:88f7bda79d8e 675 /*
TickTock 146:88f7bda79d8e 676 **************************************************************************************************************
TickTock 146:88f7bda79d8e 677 * READ LE 16U
TickTock 146:88f7bda79d8e 678 *
TickTock 146:88f7bda79d8e 679 * Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
TickTock 146:88f7bda79d8e 680 * containing little endian processor
TickTock 146:88f7bda79d8e 681 *
TickTock 146:88f7bda79d8e 682 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 683 *
TickTock 146:88f7bda79d8e 684 * Returns : val Unsigned short integer
TickTock 146:88f7bda79d8e 685 *
TickTock 146:88f7bda79d8e 686 **************************************************************************************************************
TickTock 146:88f7bda79d8e 687 */
TickTock 146:88f7bda79d8e 688
TickTock 146:88f7bda79d8e 689 USB_INT16U ReadLE16U (volatile USB_INT08U *pmem)
TickTock 146:88f7bda79d8e 690 {
TickTock 146:88f7bda79d8e 691 USB_INT16U val = *(USB_INT16U*)pmem;
TickTock 146:88f7bda79d8e 692 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 693 return __REV16(val);
TickTock 146:88f7bda79d8e 694 #else
TickTock 146:88f7bda79d8e 695 return val;
TickTock 146:88f7bda79d8e 696 #endif
TickTock 146:88f7bda79d8e 697 }
TickTock 146:88f7bda79d8e 698
TickTock 146:88f7bda79d8e 699 /*
TickTock 146:88f7bda79d8e 700 **************************************************************************************************************
TickTock 146:88f7bda79d8e 701 * WRITE LE 16U
TickTock 146:88f7bda79d8e 702 *
TickTock 146:88f7bda79d8e 703 * Description: This function is used to write an unsigned short integer into a charecter buffer in the
TickTock 146:88f7bda79d8e 704 * platform containing little endian processor
TickTock 146:88f7bda79d8e 705 *
TickTock 146:88f7bda79d8e 706 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 707 * val Value to be placed in the charecter buffer
TickTock 146:88f7bda79d8e 708 *
TickTock 146:88f7bda79d8e 709 * Returns : None
TickTock 146:88f7bda79d8e 710 *
TickTock 146:88f7bda79d8e 711 **************************************************************************************************************
TickTock 146:88f7bda79d8e 712 */
TickTock 146:88f7bda79d8e 713
TickTock 146:88f7bda79d8e 714 void WriteLE16U (volatile USB_INT08U *pmem,
TickTock 146:88f7bda79d8e 715 USB_INT16U val)
TickTock 146:88f7bda79d8e 716 {
TickTock 146:88f7bda79d8e 717 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 718 *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
TickTock 146:88f7bda79d8e 719 #else
TickTock 146:88f7bda79d8e 720 *(USB_INT16U*)pmem = val;
TickTock 146:88f7bda79d8e 721 #endif
TickTock 146:88f7bda79d8e 722 }
TickTock 146:88f7bda79d8e 723
TickTock 146:88f7bda79d8e 724 /*
TickTock 146:88f7bda79d8e 725 **************************************************************************************************************
TickTock 146:88f7bda79d8e 726 * READ BE 32U
TickTock 146:88f7bda79d8e 727 *
TickTock 146:88f7bda79d8e 728 * Description: This function is used to read an unsigned integer from a charecter buffer in the platform
TickTock 146:88f7bda79d8e 729 * containing big endian processor
TickTock 146:88f7bda79d8e 730 *
TickTock 146:88f7bda79d8e 731 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 732 *
TickTock 146:88f7bda79d8e 733 * Returns : val Unsigned integer
TickTock 146:88f7bda79d8e 734 *
TickTock 146:88f7bda79d8e 735 **************************************************************************************************************
TickTock 146:88f7bda79d8e 736 */
TickTock 146:88f7bda79d8e 737
TickTock 146:88f7bda79d8e 738 USB_INT32U ReadBE32U (volatile USB_INT08U *pmem)
TickTock 146:88f7bda79d8e 739 {
TickTock 146:88f7bda79d8e 740 USB_INT32U val = *(USB_INT32U*)pmem;
TickTock 146:88f7bda79d8e 741 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 742 return val;
TickTock 146:88f7bda79d8e 743 #else
TickTock 146:88f7bda79d8e 744 return __REV(val);
TickTock 146:88f7bda79d8e 745 #endif
TickTock 146:88f7bda79d8e 746 }
TickTock 146:88f7bda79d8e 747
TickTock 146:88f7bda79d8e 748 /*
TickTock 146:88f7bda79d8e 749 **************************************************************************************************************
TickTock 146:88f7bda79d8e 750 * WRITE BE 32U
TickTock 146:88f7bda79d8e 751 *
TickTock 146:88f7bda79d8e 752 * Description: This function is used to write an unsigned integer into a charecter buffer in the platform
TickTock 146:88f7bda79d8e 753 * containing big endian processor
TickTock 146:88f7bda79d8e 754 *
TickTock 146:88f7bda79d8e 755 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 756 * val Value to be placed in the charecter buffer
TickTock 146:88f7bda79d8e 757 *
TickTock 146:88f7bda79d8e 758 * Returns : None
TickTock 146:88f7bda79d8e 759 *
TickTock 146:88f7bda79d8e 760 **************************************************************************************************************
TickTock 146:88f7bda79d8e 761 */
TickTock 146:88f7bda79d8e 762
TickTock 146:88f7bda79d8e 763 void WriteBE32U (volatile USB_INT08U *pmem,
TickTock 146:88f7bda79d8e 764 USB_INT32U val)
TickTock 146:88f7bda79d8e 765 {
TickTock 146:88f7bda79d8e 766 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 767 *(USB_INT32U*)pmem = val;
TickTock 146:88f7bda79d8e 768 #else
TickTock 146:88f7bda79d8e 769 *(USB_INT32U*)pmem = __REV(val);
TickTock 146:88f7bda79d8e 770 #endif
TickTock 146:88f7bda79d8e 771 }
TickTock 146:88f7bda79d8e 772
TickTock 146:88f7bda79d8e 773 /*
TickTock 146:88f7bda79d8e 774 **************************************************************************************************************
TickTock 146:88f7bda79d8e 775 * READ BE 16U
TickTock 146:88f7bda79d8e 776 *
TickTock 146:88f7bda79d8e 777 * Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
TickTock 146:88f7bda79d8e 778 * containing big endian processor
TickTock 146:88f7bda79d8e 779 *
TickTock 146:88f7bda79d8e 780 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 781 *
TickTock 146:88f7bda79d8e 782 * Returns : val Unsigned short integer
TickTock 146:88f7bda79d8e 783 *
TickTock 146:88f7bda79d8e 784 **************************************************************************************************************
TickTock 146:88f7bda79d8e 785 */
TickTock 146:88f7bda79d8e 786
TickTock 146:88f7bda79d8e 787 USB_INT16U ReadBE16U (volatile USB_INT08U *pmem)
TickTock 146:88f7bda79d8e 788 {
TickTock 146:88f7bda79d8e 789 USB_INT16U val = *(USB_INT16U*)pmem;
TickTock 146:88f7bda79d8e 790 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 791 return val;
TickTock 146:88f7bda79d8e 792 #else
TickTock 146:88f7bda79d8e 793 return __REV16(val);
TickTock 146:88f7bda79d8e 794 #endif
TickTock 146:88f7bda79d8e 795 }
TickTock 146:88f7bda79d8e 796
TickTock 146:88f7bda79d8e 797 /*
TickTock 146:88f7bda79d8e 798 **************************************************************************************************************
TickTock 146:88f7bda79d8e 799 * WRITE BE 16U
TickTock 146:88f7bda79d8e 800 *
TickTock 146:88f7bda79d8e 801 * Description: This function is used to write an unsigned short integer into the charecter buffer in the
TickTock 146:88f7bda79d8e 802 * platform containing big endian processor
TickTock 146:88f7bda79d8e 803 *
TickTock 146:88f7bda79d8e 804 * Arguments : pmem Pointer to the charecter buffer
TickTock 146:88f7bda79d8e 805 * val Value to be placed in the charecter buffer
TickTock 146:88f7bda79d8e 806 *
TickTock 146:88f7bda79d8e 807 * Returns : None
TickTock 146:88f7bda79d8e 808 *
TickTock 146:88f7bda79d8e 809 **************************************************************************************************************
TickTock 146:88f7bda79d8e 810 */
TickTock 146:88f7bda79d8e 811
TickTock 146:88f7bda79d8e 812 void WriteBE16U (volatile USB_INT08U *pmem,
TickTock 146:88f7bda79d8e 813 USB_INT16U val)
TickTock 146:88f7bda79d8e 814 {
TickTock 146:88f7bda79d8e 815 #ifdef __BIG_ENDIAN
TickTock 146:88f7bda79d8e 816 *(USB_INT16U*)pmem = val;
TickTock 146:88f7bda79d8e 817 #else
TickTock 146:88f7bda79d8e 818 *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
TickTock 146:88f7bda79d8e 819 #endif
TickTock 146:88f7bda79d8e 820 }