U of Calegary - Okeef / Mbed 2 deprecated 1TestDECAWAVE_plus_others

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Dependencies:   General C12832 FatFileSystemCpp mbed

Fork of MPU9150AHRS by Kris Winer

USBHostLite/usbhost_lpc17xx.cpp@1:4523d7cda75e, 2016-06-17 (annotated)

Committer:
Kekehoho
Date:
Fri Jun 17 20:35:28 2016 +0000
Revision:
1:4523d7cda75e
2nd try

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kekehoho 1:4523d7cda75e 1 /*
Kekehoho 1:4523d7cda75e 2 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 3 * NXP USB Host Stack
Kekehoho 1:4523d7cda75e 4 *
Kekehoho 1:4523d7cda75e 5 * (c) Copyright 2008, NXP SemiConductors
Kekehoho 1:4523d7cda75e 6 * (c) Copyright 2008, OnChip Technologies LLC
Kekehoho 1:4523d7cda75e 7 * All Rights Reserved
Kekehoho 1:4523d7cda75e 8 *
Kekehoho 1:4523d7cda75e 9 * www.nxp.com
Kekehoho 1:4523d7cda75e 10 * www.onchiptech.com
Kekehoho 1:4523d7cda75e 11 *
Kekehoho 1:4523d7cda75e 12 * File : usbhost_lpc17xx.c
Kekehoho 1:4523d7cda75e 13 * Programmer(s) : Ravikanth.P
Kekehoho 1:4523d7cda75e 14 * Version :
Kekehoho 1:4523d7cda75e 15 *
Kekehoho 1:4523d7cda75e 16 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 17 */
Kekehoho 1:4523d7cda75e 18
Kekehoho 1:4523d7cda75e 19 /*
Kekehoho 1:4523d7cda75e 20 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 21 * INCLUDE HEADER FILES
Kekehoho 1:4523d7cda75e 22 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 23 */
Kekehoho 1:4523d7cda75e 24
Kekehoho 1:4523d7cda75e 25 #include "usbhost_lpc17xx.h"
Kekehoho 1:4523d7cda75e 26
Kekehoho 1:4523d7cda75e 27 /*
Kekehoho 1:4523d7cda75e 28 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 29 * GLOBAL VARIABLES
Kekehoho 1:4523d7cda75e 30 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 31 */
Kekehoho 1:4523d7cda75e 32 int gUSBConnected;
Kekehoho 1:4523d7cda75e 33
Kekehoho 1:4523d7cda75e 34 volatile USB_INT32U HOST_RhscIntr = 0; /* Root Hub Status Change interrupt */
Kekehoho 1:4523d7cda75e 35 volatile USB_INT32U HOST_WdhIntr = 0; /* Semaphore to wait until the TD is submitted */
Kekehoho 1:4523d7cda75e 36 volatile USB_INT08U HOST_TDControlStatus = 0;
Kekehoho 1:4523d7cda75e 37 volatile HCED *EDCtrl; /* Control endpoint descriptor structure */
Kekehoho 1:4523d7cda75e 38 volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */
Kekehoho 1:4523d7cda75e 39 volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */
Kekehoho 1:4523d7cda75e 40 volatile HCTD *TDHead; /* Head transfer descriptor structure */
Kekehoho 1:4523d7cda75e 41 volatile HCTD *TDTail; /* Tail transfer descriptor structure */
Kekehoho 1:4523d7cda75e 42 volatile HCCA *Hcca; /* Host Controller Communications Area structure */
Kekehoho 1:4523d7cda75e 43 USB_INT16U *TDBufNonVol; /* Identical to TDBuffer just to reduce compiler warnings */
Kekehoho 1:4523d7cda75e 44 volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */
Kekehoho 1:4523d7cda75e 45
Kekehoho 1:4523d7cda75e 46 // USB host structures
Kekehoho 1:4523d7cda75e 47 // AHB SRAM block 1
Kekehoho 1:4523d7cda75e 48 #define HOSTBASEADDR 0x2007C000
Kekehoho 1:4523d7cda75e 49 // reserve memory for the linker
Kekehoho 1:4523d7cda75e 50 static USB_INT08U HostBuf[0x200] __attribute__((at(HOSTBASEADDR)));
Kekehoho 1:4523d7cda75e 51 /*
Kekehoho 1:4523d7cda75e 52 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 53 * DELAY IN MILLI SECONDS
Kekehoho 1:4523d7cda75e 54 *
Kekehoho 1:4523d7cda75e 55 * Description: This function provides a delay in milli seconds
Kekehoho 1:4523d7cda75e 56 *
Kekehoho 1:4523d7cda75e 57 * Arguments : delay The delay required
Kekehoho 1:4523d7cda75e 58 *
Kekehoho 1:4523d7cda75e 59 * Returns : None
Kekehoho 1:4523d7cda75e 60 *
Kekehoho 1:4523d7cda75e 61 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 62 */
Kekehoho 1:4523d7cda75e 63
Kekehoho 1:4523d7cda75e 64 void Host_DelayMS (USB_INT32U delay)
Kekehoho 1:4523d7cda75e 65 {
Kekehoho 1:4523d7cda75e 66 volatile USB_INT32U i;
Kekehoho 1:4523d7cda75e 67
Kekehoho 1:4523d7cda75e 68
Kekehoho 1:4523d7cda75e 69 for (i = 0; i < delay; i++) {
Kekehoho 1:4523d7cda75e 70 Host_DelayUS(1000);
Kekehoho 1:4523d7cda75e 71 }
Kekehoho 1:4523d7cda75e 72 }
Kekehoho 1:4523d7cda75e 73
Kekehoho 1:4523d7cda75e 74 /*
Kekehoho 1:4523d7cda75e 75 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 76 * DELAY IN MICRO SECONDS
Kekehoho 1:4523d7cda75e 77 *
Kekehoho 1:4523d7cda75e 78 * Description: This function provides a delay in micro seconds
Kekehoho 1:4523d7cda75e 79 *
Kekehoho 1:4523d7cda75e 80 * Arguments : delay The delay required
Kekehoho 1:4523d7cda75e 81 *
Kekehoho 1:4523d7cda75e 82 * Returns : None
Kekehoho 1:4523d7cda75e 83 *
Kekehoho 1:4523d7cda75e 84 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 85 */
Kekehoho 1:4523d7cda75e 86
Kekehoho 1:4523d7cda75e 87 void Host_DelayUS (USB_INT32U delay)
Kekehoho 1:4523d7cda75e 88 {
Kekehoho 1:4523d7cda75e 89 volatile USB_INT32U i;
Kekehoho 1:4523d7cda75e 90
Kekehoho 1:4523d7cda75e 91
Kekehoho 1:4523d7cda75e 92 for (i = 0; i < (4 * delay); i++) { /* This logic was tested. It gives app. 1 micro sec delay */
Kekehoho 1:4523d7cda75e 93 ;
Kekehoho 1:4523d7cda75e 94 }
Kekehoho 1:4523d7cda75e 95 }
Kekehoho 1:4523d7cda75e 96
Kekehoho 1:4523d7cda75e 97 // bits of the USB/OTG clock control register
Kekehoho 1:4523d7cda75e 98 #define HOST_CLK_EN (1<<0)
Kekehoho 1:4523d7cda75e 99 #define DEV_CLK_EN (1<<1)
Kekehoho 1:4523d7cda75e 100 #define PORTSEL_CLK_EN (1<<3)
Kekehoho 1:4523d7cda75e 101 #define AHB_CLK_EN (1<<4)
Kekehoho 1:4523d7cda75e 102
Kekehoho 1:4523d7cda75e 103 // bits of the USB/OTG clock status register
Kekehoho 1:4523d7cda75e 104 #define HOST_CLK_ON (1<<0)
Kekehoho 1:4523d7cda75e 105 #define DEV_CLK_ON (1<<1)
Kekehoho 1:4523d7cda75e 106 #define PORTSEL_CLK_ON (1<<3)
Kekehoho 1:4523d7cda75e 107 #define AHB_CLK_ON (1<<4)
Kekehoho 1:4523d7cda75e 108
Kekehoho 1:4523d7cda75e 109 // we need host clock, OTG/portsel clock and AHB clock
Kekehoho 1:4523d7cda75e 110 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
Kekehoho 1:4523d7cda75e 111
Kekehoho 1:4523d7cda75e 112 /*
Kekehoho 1:4523d7cda75e 113 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 114 * INITIALIZE THE HOST CONTROLLER
Kekehoho 1:4523d7cda75e 115 *
Kekehoho 1:4523d7cda75e 116 * Description: This function initializes lpc17xx host controller
Kekehoho 1:4523d7cda75e 117 *
Kekehoho 1:4523d7cda75e 118 * Arguments : None
Kekehoho 1:4523d7cda75e 119 *
Kekehoho 1:4523d7cda75e 120 * Returns :
Kekehoho 1:4523d7cda75e 121 *
Kekehoho 1:4523d7cda75e 122 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 123 */
Kekehoho 1:4523d7cda75e 124 void Host_Init (void)
Kekehoho 1:4523d7cda75e 125 {
Kekehoho 1:4523d7cda75e 126 PRINT_Log("In Host_Init\n");
Kekehoho 1:4523d7cda75e 127 NVIC_DisableIRQ(USB_IRQn); /* Disable the USB interrupt source */
Kekehoho 1:4523d7cda75e 128
Kekehoho 1:4523d7cda75e 129 // turn on power for USB
Kekehoho 1:4523d7cda75e 130 LPC_SC->PCONP |= (1UL<<31);
Kekehoho 1:4523d7cda75e 131 // Enable USB host clock, port selection and AHB clock
Kekehoho 1:4523d7cda75e 132 LPC_USB->USBClkCtrl |= CLOCK_MASK;
Kekehoho 1:4523d7cda75e 133 // Wait for clocks to become available
Kekehoho 1:4523d7cda75e 134 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
Kekehoho 1:4523d7cda75e 135 ;
Kekehoho 1:4523d7cda75e 136
Kekehoho 1:4523d7cda75e 137 // it seems the bits[0:1] mean the following
Kekehoho 1:4523d7cda75e 138 // 0: U1=device, U2=host
Kekehoho 1:4523d7cda75e 139 // 1: U1=host, U2=host
Kekehoho 1:4523d7cda75e 140 // 2: reserved
Kekehoho 1:4523d7cda75e 141 // 3: U1=host, U2=device
Kekehoho 1:4523d7cda75e 142 // NB: this register is only available if OTG clock (aka "port select") is enabled!!
Kekehoho 1:4523d7cda75e 143 // since we don't care about port 2, set just bit 0 to 1 (U1=host)
Kekehoho 1:4523d7cda75e 144 LPC_USB->OTGStCtrl |= 1;
Kekehoho 1:4523d7cda75e 145
Kekehoho 1:4523d7cda75e 146 // now that we've configured the ports, we can turn off the portsel clock
Kekehoho 1:4523d7cda75e 147 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN;
Kekehoho 1:4523d7cda75e 148
Kekehoho 1:4523d7cda75e 149 // power pins are not connected on mbed, so we can skip them
Kekehoho 1:4523d7cda75e 150 /* P1[18] = USB_UP_LED, 01 */
Kekehoho 1:4523d7cda75e 151 /* P1[19] = /USB_PPWR, 10 */
Kekehoho 1:4523d7cda75e 152 /* P1[22] = USB_PWRD, 10 */
Kekehoho 1:4523d7cda75e 153 /* P1[27] = /USB_OVRCR, 10 */
Kekehoho 1:4523d7cda75e 154 /*LPC_PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22));
Kekehoho 1:4523d7cda75e 155 LPC_PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080
Kekehoho 1:4523d7cda75e 156 */
Kekehoho 1:4523d7cda75e 157
Kekehoho 1:4523d7cda75e 158 // configure USB D+/D- pins
Kekehoho 1:4523d7cda75e 159 /* P0[29] = USB_D+, 01 */
Kekehoho 1:4523d7cda75e 160 /* P0[30] = USB_D-, 01 */
Kekehoho 1:4523d7cda75e 161 LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
Kekehoho 1:4523d7cda75e 162 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000
Kekehoho 1:4523d7cda75e 163
Kekehoho 1:4523d7cda75e 164 PRINT_Log("Initializing Host Stack\n");
Kekehoho 1:4523d7cda75e 165
Kekehoho 1:4523d7cda75e 166 Hcca = (volatile HCCA *)(HostBuf+0x000);
Kekehoho 1:4523d7cda75e 167 TDHead = (volatile HCTD *)(HostBuf+0x100);
Kekehoho 1:4523d7cda75e 168 TDTail = (volatile HCTD *)(HostBuf+0x110);
Kekehoho 1:4523d7cda75e 169 EDCtrl = (volatile HCED *)(HostBuf+0x120);
Kekehoho 1:4523d7cda75e 170 EDBulkIn = (volatile HCED *)(HostBuf+0x130);
Kekehoho 1:4523d7cda75e 171 EDBulkOut = (volatile HCED *)(HostBuf+0x140);
Kekehoho 1:4523d7cda75e 172 TDBuffer = (volatile USB_INT08U *)(HostBuf+0x150);
Kekehoho 1:4523d7cda75e 173
Kekehoho 1:4523d7cda75e 174 /* Initialize all the TDs, EDs and HCCA to 0 */
Kekehoho 1:4523d7cda75e 175 Host_EDInit(EDCtrl);
Kekehoho 1:4523d7cda75e 176 Host_EDInit(EDBulkIn);
Kekehoho 1:4523d7cda75e 177 Host_EDInit(EDBulkOut);
Kekehoho 1:4523d7cda75e 178 Host_TDInit(TDHead);
Kekehoho 1:4523d7cda75e 179 Host_TDInit(TDTail);
Kekehoho 1:4523d7cda75e 180 Host_HCCAInit(Hcca);
Kekehoho 1:4523d7cda75e 181
Kekehoho 1:4523d7cda75e 182 Host_DelayMS(50); /* Wait 50 ms before apply reset */
Kekehoho 1:4523d7cda75e 183 LPC_USB->HcControl = 0; /* HARDWARE RESET */
Kekehoho 1:4523d7cda75e 184 LPC_USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */
Kekehoho 1:4523d7cda75e 185 LPC_USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */
Kekehoho 1:4523d7cda75e 186
Kekehoho 1:4523d7cda75e 187 /* SOFTWARE RESET */
Kekehoho 1:4523d7cda75e 188 LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR;
Kekehoho 1:4523d7cda75e 189 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */
Kekehoho 1:4523d7cda75e 190
Kekehoho 1:4523d7cda75e 191 /* Put HC in operational state */
Kekehoho 1:4523d7cda75e 192 LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
Kekehoho 1:4523d7cda75e 193 LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */
Kekehoho 1:4523d7cda75e 194
Kekehoho 1:4523d7cda75e 195 LPC_USB->HcHCCA = (USB_INT32U)Hcca;
Kekehoho 1:4523d7cda75e 196 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; /* Clear Interrrupt Status */
Kekehoho 1:4523d7cda75e 197
Kekehoho 1:4523d7cda75e 198
Kekehoho 1:4523d7cda75e 199 LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE |
Kekehoho 1:4523d7cda75e 200 OR_INTR_ENABLE_WDH |
Kekehoho 1:4523d7cda75e 201 OR_INTR_ENABLE_RHSC;
Kekehoho 1:4523d7cda75e 202
Kekehoho 1:4523d7cda75e 203 NVIC_SetPriority(USB_IRQn, 0); /* highest priority */
Kekehoho 1:4523d7cda75e 204 /* Enable the USB Interrupt */
Kekehoho 1:4523d7cda75e 205 NVIC_EnableIRQ(USB_IRQn);
Kekehoho 1:4523d7cda75e 206 PRINT_Log("Host Initialized\n");
Kekehoho 1:4523d7cda75e 207 }
Kekehoho 1:4523d7cda75e 208
Kekehoho 1:4523d7cda75e 209 /*
Kekehoho 1:4523d7cda75e 210 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 211 * INTERRUPT SERVICE ROUTINE
Kekehoho 1:4523d7cda75e 212 *
Kekehoho 1:4523d7cda75e 213 * Description: This function services the interrupt caused by host controller
Kekehoho 1:4523d7cda75e 214 *
Kekehoho 1:4523d7cda75e 215 * Arguments : None
Kekehoho 1:4523d7cda75e 216 *
Kekehoho 1:4523d7cda75e 217 * Returns : None
Kekehoho 1:4523d7cda75e 218 *
Kekehoho 1:4523d7cda75e 219 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 220 */
Kekehoho 1:4523d7cda75e 221
Kekehoho 1:4523d7cda75e 222 void USB_IRQHandler (void) __irq
Kekehoho 1:4523d7cda75e 223 {
Kekehoho 1:4523d7cda75e 224 USB_INT32U int_status;
Kekehoho 1:4523d7cda75e 225 USB_INT32U ie_status;
Kekehoho 1:4523d7cda75e 226
Kekehoho 1:4523d7cda75e 227 int_status = LPC_USB->HcInterruptStatus; /* Read Interrupt Status */
Kekehoho 1:4523d7cda75e 228 ie_status = LPC_USB->HcInterruptEnable; /* Read Interrupt enable status */
Kekehoho 1:4523d7cda75e 229
Kekehoho 1:4523d7cda75e 230 if (!(int_status & ie_status)) {
Kekehoho 1:4523d7cda75e 231 return;
Kekehoho 1:4523d7cda75e 232 } else {
Kekehoho 1:4523d7cda75e 233
Kekehoho 1:4523d7cda75e 234 int_status = int_status & ie_status;
Kekehoho 1:4523d7cda75e 235 if (int_status & OR_INTR_STATUS_RHSC) { /* Root hub status change interrupt */
Kekehoho 1:4523d7cda75e 236 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) {
Kekehoho 1:4523d7cda75e 237 if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) {
Kekehoho 1:4523d7cda75e 238 /*
Kekehoho 1:4523d7cda75e 239 * When DRWE is on, Connect Status Change
Kekehoho 1:4523d7cda75e 240 * means a remote wakeup event.
Kekehoho 1:4523d7cda75e 241 */
Kekehoho 1:4523d7cda75e 242 HOST_RhscIntr = 1;// JUST SOMETHING FOR A BREAKPOINT
Kekehoho 1:4523d7cda75e 243 }
Kekehoho 1:4523d7cda75e 244 else {
Kekehoho 1:4523d7cda75e 245 /*
Kekehoho 1:4523d7cda75e 246 * When DRWE is off, Connect Status Change
Kekehoho 1:4523d7cda75e 247 * is NOT a remote wakeup event
Kekehoho 1:4523d7cda75e 248 */
Kekehoho 1:4523d7cda75e 249 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) {
Kekehoho 1:4523d7cda75e 250 if (!gUSBConnected) {
Kekehoho 1:4523d7cda75e 251 HOST_TDControlStatus = 0;
Kekehoho 1:4523d7cda75e 252 HOST_WdhIntr = 0;
Kekehoho 1:4523d7cda75e 253 HOST_RhscIntr = 1;
Kekehoho 1:4523d7cda75e 254 gUSBConnected = 1;
Kekehoho 1:4523d7cda75e 255 }
Kekehoho 1:4523d7cda75e 256 else
Kekehoho 1:4523d7cda75e 257 PRINT_Log("Spurious status change (connected)?\n");
Kekehoho 1:4523d7cda75e 258 } else {
Kekehoho 1:4523d7cda75e 259 if (gUSBConnected) {
Kekehoho 1:4523d7cda75e 260 LPC_USB->HcInterruptEnable = 0; // why do we get multiple disc. rupts???
Kekehoho 1:4523d7cda75e 261 HOST_RhscIntr = 0;
Kekehoho 1:4523d7cda75e 262 gUSBConnected = 0;
Kekehoho 1:4523d7cda75e 263 }
Kekehoho 1:4523d7cda75e 264 else
Kekehoho 1:4523d7cda75e 265 PRINT_Log("Spurious status change (disconnected)?\n");
Kekehoho 1:4523d7cda75e 266 }
Kekehoho 1:4523d7cda75e 267 }
Kekehoho 1:4523d7cda75e 268 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
Kekehoho 1:4523d7cda75e 269 }
Kekehoho 1:4523d7cda75e 270 if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) {
Kekehoho 1:4523d7cda75e 271 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
Kekehoho 1:4523d7cda75e 272 }
Kekehoho 1:4523d7cda75e 273 }
Kekehoho 1:4523d7cda75e 274 if (int_status & OR_INTR_STATUS_WDH) { /* Writeback Done Head interrupt */
Kekehoho 1:4523d7cda75e 275 HOST_WdhIntr = 1;
Kekehoho 1:4523d7cda75e 276 HOST_TDControlStatus = (TDHead->Control >> 28) & 0xf;
Kekehoho 1:4523d7cda75e 277 }
Kekehoho 1:4523d7cda75e 278 LPC_USB->HcInterruptStatus = int_status; /* Clear interrupt status register */
Kekehoho 1:4523d7cda75e 279 }
Kekehoho 1:4523d7cda75e 280 return;
Kekehoho 1:4523d7cda75e 281 }
Kekehoho 1:4523d7cda75e 282
Kekehoho 1:4523d7cda75e 283 /*
Kekehoho 1:4523d7cda75e 284 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 285 * PROCESS TRANSFER DESCRIPTOR
Kekehoho 1:4523d7cda75e 286 *
Kekehoho 1:4523d7cda75e 287 * Description: This function processes the transfer descriptor
Kekehoho 1:4523d7cda75e 288 *
Kekehoho 1:4523d7cda75e 289 * Arguments : ed Endpoint descriptor that contains this transfer descriptor
Kekehoho 1:4523d7cda75e 290 * token SETUP, IN, OUT
Kekehoho 1:4523d7cda75e 291 * buffer Current Buffer Pointer of the transfer descriptor
Kekehoho 1:4523d7cda75e 292 * buffer_len Length of the buffer
Kekehoho 1:4523d7cda75e 293 *
Kekehoho 1:4523d7cda75e 294 * Returns : OK if TD submission is successful
Kekehoho 1:4523d7cda75e 295 * ERROR if TD submission fails
Kekehoho 1:4523d7cda75e 296 *
Kekehoho 1:4523d7cda75e 297 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 298 */
Kekehoho 1:4523d7cda75e 299
Kekehoho 1:4523d7cda75e 300 USB_INT32S Host_ProcessTD (volatile HCED *ed,
Kekehoho 1:4523d7cda75e 301 volatile USB_INT32U token,
Kekehoho 1:4523d7cda75e 302 volatile USB_INT08U *buffer,
Kekehoho 1:4523d7cda75e 303 USB_INT32U buffer_len)
Kekehoho 1:4523d7cda75e 304 {
Kekehoho 1:4523d7cda75e 305 volatile USB_INT32U td_toggle;
Kekehoho 1:4523d7cda75e 306
Kekehoho 1:4523d7cda75e 307
Kekehoho 1:4523d7cda75e 308 if (ed == EDCtrl) {
Kekehoho 1:4523d7cda75e 309 if (token == TD_SETUP) {
Kekehoho 1:4523d7cda75e 310 td_toggle = TD_TOGGLE_0;
Kekehoho 1:4523d7cda75e 311 } else {
Kekehoho 1:4523d7cda75e 312 td_toggle = TD_TOGGLE_1;
Kekehoho 1:4523d7cda75e 313 }
Kekehoho 1:4523d7cda75e 314 } else {
Kekehoho 1:4523d7cda75e 315 td_toggle = 0;
Kekehoho 1:4523d7cda75e 316 }
Kekehoho 1:4523d7cda75e 317 TDHead->Control = (TD_ROUNDING |
Kekehoho 1:4523d7cda75e 318 token |
Kekehoho 1:4523d7cda75e 319 TD_DELAY_INT(0) |
Kekehoho 1:4523d7cda75e 320 td_toggle |
Kekehoho 1:4523d7cda75e 321 TD_CC);
Kekehoho 1:4523d7cda75e 322 TDTail->Control = 0;
Kekehoho 1:4523d7cda75e 323 TDHead->CurrBufPtr = (USB_INT32U) buffer;
Kekehoho 1:4523d7cda75e 324 TDTail->CurrBufPtr = 0;
Kekehoho 1:4523d7cda75e 325 TDHead->Next = (USB_INT32U) TDTail;
Kekehoho 1:4523d7cda75e 326 TDTail->Next = 0;
Kekehoho 1:4523d7cda75e 327 TDHead->BufEnd = (USB_INT32U)(buffer + (buffer_len - 1));
Kekehoho 1:4523d7cda75e 328 TDTail->BufEnd = 0;
Kekehoho 1:4523d7cda75e 329
Kekehoho 1:4523d7cda75e 330 ed->HeadTd = (USB_INT32U)TDHead | ((ed->HeadTd) & 0x00000002);
Kekehoho 1:4523d7cda75e 331 ed->TailTd = (USB_INT32U)TDTail;
Kekehoho 1:4523d7cda75e 332 ed->Next = 0;
Kekehoho 1:4523d7cda75e 333
Kekehoho 1:4523d7cda75e 334 if (ed == EDCtrl) {
Kekehoho 1:4523d7cda75e 335 LPC_USB->HcControlHeadED = (USB_INT32U)ed;
Kekehoho 1:4523d7cda75e 336 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF;
Kekehoho 1:4523d7cda75e 337 LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE;
Kekehoho 1:4523d7cda75e 338 } else {
Kekehoho 1:4523d7cda75e 339 LPC_USB->HcBulkHeadED = (USB_INT32U)ed;
Kekehoho 1:4523d7cda75e 340 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF;
Kekehoho 1:4523d7cda75e 341 LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE;
Kekehoho 1:4523d7cda75e 342 }
Kekehoho 1:4523d7cda75e 343
Kekehoho 1:4523d7cda75e 344 Host_WDHWait();
Kekehoho 1:4523d7cda75e 345
Kekehoho 1:4523d7cda75e 346 // if (!(TDHead->Control & 0xF0000000)) {
Kekehoho 1:4523d7cda75e 347 if (!HOST_TDControlStatus) {
Kekehoho 1:4523d7cda75e 348 return (OK);
Kekehoho 1:4523d7cda75e 349 } else {
Kekehoho 1:4523d7cda75e 350 return (ERR_TD_FAIL);
Kekehoho 1:4523d7cda75e 351 }
Kekehoho 1:4523d7cda75e 352 }
Kekehoho 1:4523d7cda75e 353
Kekehoho 1:4523d7cda75e 354 /*
Kekehoho 1:4523d7cda75e 355 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 356 * ENUMERATE THE DEVICE
Kekehoho 1:4523d7cda75e 357 *
Kekehoho 1:4523d7cda75e 358 * Description: This function is used to enumerate the device connected
Kekehoho 1:4523d7cda75e 359 *
Kekehoho 1:4523d7cda75e 360 * Arguments : None
Kekehoho 1:4523d7cda75e 361 *
Kekehoho 1:4523d7cda75e 362 * Returns : None
Kekehoho 1:4523d7cda75e 363 *
Kekehoho 1:4523d7cda75e 364 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 365 */
Kekehoho 1:4523d7cda75e 366
Kekehoho 1:4523d7cda75e 367 USB_INT32S Host_EnumDev (void)
Kekehoho 1:4523d7cda75e 368 {
Kekehoho 1:4523d7cda75e 369 USB_INT32S rc;
Kekehoho 1:4523d7cda75e 370
Kekehoho 1:4523d7cda75e 371 PRINT_Log("Connect a Mass Storage device\n");
Kekehoho 1:4523d7cda75e 372 while (!HOST_RhscIntr)
Kekehoho 1:4523d7cda75e 373 __WFI();
Kekehoho 1:4523d7cda75e 374 Host_DelayMS(100); /* USB 2.0 spec says atleast 50ms delay beore port reset */
Kekehoho 1:4523d7cda75e 375 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset
Kekehoho 1:4523d7cda75e 376 while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS)
Kekehoho 1:4523d7cda75e 377 __WFI(); // Wait for port reset to complete...
Kekehoho 1:4523d7cda75e 378 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal
Kekehoho 1:4523d7cda75e 379 Host_DelayMS(200); /* Wait for 100 MS after port reset */
Kekehoho 1:4523d7cda75e 380
Kekehoho 1:4523d7cda75e 381 EDCtrl->Control = 8 << 16; /* Put max pkt size = 8 */
Kekehoho 1:4523d7cda75e 382 /* Read first 8 bytes of device desc */
Kekehoho 1:4523d7cda75e 383 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 8);
Kekehoho 1:4523d7cda75e 384 if (rc != OK) {
Kekehoho 1:4523d7cda75e 385 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 386 return (rc);
Kekehoho 1:4523d7cda75e 387 }
Kekehoho 1:4523d7cda75e 388 EDCtrl->Control = TDBuffer[7] << 16; /* Get max pkt size of endpoint 0 */
Kekehoho 1:4523d7cda75e 389 rc = HOST_SET_ADDRESS(1); /* Set the device address to 1 */
Kekehoho 1:4523d7cda75e 390 if (rc != OK) {
Kekehoho 1:4523d7cda75e 391 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 392 return (rc);
Kekehoho 1:4523d7cda75e 393 }
Kekehoho 1:4523d7cda75e 394 Host_DelayMS(2);
Kekehoho 1:4523d7cda75e 395 EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */
Kekehoho 1:4523d7cda75e 396 /* Get the configuration descriptor */
Kekehoho 1:4523d7cda75e 397 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, 9);
Kekehoho 1:4523d7cda75e 398 if (rc != OK) {
Kekehoho 1:4523d7cda75e 399 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 400 return (rc);
Kekehoho 1:4523d7cda75e 401 }
Kekehoho 1:4523d7cda75e 402 /* Get the first configuration data */
Kekehoho 1:4523d7cda75e 403 rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, ReadLE16U(&TDBuffer[2]));
Kekehoho 1:4523d7cda75e 404 if (rc != OK) {
Kekehoho 1:4523d7cda75e 405 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 406 return (rc);
Kekehoho 1:4523d7cda75e 407 }
Kekehoho 1:4523d7cda75e 408 rc = MS_ParseConfiguration(); /* Parse the configuration */
Kekehoho 1:4523d7cda75e 409 if (rc != OK) {
Kekehoho 1:4523d7cda75e 410 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 411 return (rc);
Kekehoho 1:4523d7cda75e 412 }
Kekehoho 1:4523d7cda75e 413 rc = USBH_SET_CONFIGURATION(1); /* Select device configuration 1 */
Kekehoho 1:4523d7cda75e 414 if (rc != OK) {
Kekehoho 1:4523d7cda75e 415 PRINT_Err(rc);
Kekehoho 1:4523d7cda75e 416 }
Kekehoho 1:4523d7cda75e 417 Host_DelayMS(100); /* Some devices may require this delay */
Kekehoho 1:4523d7cda75e 418 return (rc);
Kekehoho 1:4523d7cda75e 419 }
Kekehoho 1:4523d7cda75e 420
Kekehoho 1:4523d7cda75e 421 /*
Kekehoho 1:4523d7cda75e 422 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 423 * RECEIVE THE CONTROL INFORMATION
Kekehoho 1:4523d7cda75e 424 *
Kekehoho 1:4523d7cda75e 425 * Description: This function is used to receive the control information
Kekehoho 1:4523d7cda75e 426 *
Kekehoho 1:4523d7cda75e 427 * Arguments : bm_request_type
Kekehoho 1:4523d7cda75e 428 * b_request
Kekehoho 1:4523d7cda75e 429 * w_value
Kekehoho 1:4523d7cda75e 430 * w_index
Kekehoho 1:4523d7cda75e 431 * w_length
Kekehoho 1:4523d7cda75e 432 * buffer
Kekehoho 1:4523d7cda75e 433 *
Kekehoho 1:4523d7cda75e 434 * Returns : OK if Success
Kekehoho 1:4523d7cda75e 435 * ERROR if Failed
Kekehoho 1:4523d7cda75e 436 *
Kekehoho 1:4523d7cda75e 437 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 438 */
Kekehoho 1:4523d7cda75e 439
Kekehoho 1:4523d7cda75e 440 USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type,
Kekehoho 1:4523d7cda75e 441 USB_INT08U b_request,
Kekehoho 1:4523d7cda75e 442 USB_INT16U w_value,
Kekehoho 1:4523d7cda75e 443 USB_INT16U w_index,
Kekehoho 1:4523d7cda75e 444 USB_INT16U w_length,
Kekehoho 1:4523d7cda75e 445 volatile USB_INT08U *buffer)
Kekehoho 1:4523d7cda75e 446 {
Kekehoho 1:4523d7cda75e 447 USB_INT32S rc;
Kekehoho 1:4523d7cda75e 448
Kekehoho 1:4523d7cda75e 449
Kekehoho 1:4523d7cda75e 450 Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
Kekehoho 1:4523d7cda75e 451 rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
Kekehoho 1:4523d7cda75e 452 if (rc == OK) {
Kekehoho 1:4523d7cda75e 453 if (w_length) {
Kekehoho 1:4523d7cda75e 454 rc = Host_ProcessTD(EDCtrl, TD_IN, TDBuffer, w_length);
Kekehoho 1:4523d7cda75e 455 }
Kekehoho 1:4523d7cda75e 456 if (rc == OK) {
Kekehoho 1:4523d7cda75e 457 rc = Host_ProcessTD(EDCtrl, TD_OUT, NULL, 0);
Kekehoho 1:4523d7cda75e 458 }
Kekehoho 1:4523d7cda75e 459 }
Kekehoho 1:4523d7cda75e 460 return (rc);
Kekehoho 1:4523d7cda75e 461 }
Kekehoho 1:4523d7cda75e 462
Kekehoho 1:4523d7cda75e 463 /*
Kekehoho 1:4523d7cda75e 464 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 465 * SEND THE CONTROL INFORMATION
Kekehoho 1:4523d7cda75e 466 *
Kekehoho 1:4523d7cda75e 467 * Description: This function is used to send the control information
Kekehoho 1:4523d7cda75e 468 *
Kekehoho 1:4523d7cda75e 469 * Arguments : None
Kekehoho 1:4523d7cda75e 470 *
Kekehoho 1:4523d7cda75e 471 * Returns : OK if Success
Kekehoho 1:4523d7cda75e 472 * ERR_INVALID_BOOTSIG if Failed
Kekehoho 1:4523d7cda75e 473 *
Kekehoho 1:4523d7cda75e 474 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 475 */
Kekehoho 1:4523d7cda75e 476
Kekehoho 1:4523d7cda75e 477 USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type,
Kekehoho 1:4523d7cda75e 478 USB_INT08U b_request,
Kekehoho 1:4523d7cda75e 479 USB_INT16U w_value,
Kekehoho 1:4523d7cda75e 480 USB_INT16U w_index,
Kekehoho 1:4523d7cda75e 481 USB_INT16U w_length,
Kekehoho 1:4523d7cda75e 482 volatile USB_INT08U *buffer)
Kekehoho 1:4523d7cda75e 483 {
Kekehoho 1:4523d7cda75e 484 USB_INT32S rc;
Kekehoho 1:4523d7cda75e 485
Kekehoho 1:4523d7cda75e 486
Kekehoho 1:4523d7cda75e 487 Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length);
Kekehoho 1:4523d7cda75e 488
Kekehoho 1:4523d7cda75e 489 rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8);
Kekehoho 1:4523d7cda75e 490 if (rc == OK) {
Kekehoho 1:4523d7cda75e 491 if (w_length) {
Kekehoho 1:4523d7cda75e 492 rc = Host_ProcessTD(EDCtrl, TD_OUT, TDBuffer, w_length);
Kekehoho 1:4523d7cda75e 493 }
Kekehoho 1:4523d7cda75e 494 if (rc == OK) {
Kekehoho 1:4523d7cda75e 495 rc = Host_ProcessTD(EDCtrl, TD_IN, NULL, 0);
Kekehoho 1:4523d7cda75e 496 }
Kekehoho 1:4523d7cda75e 497 }
Kekehoho 1:4523d7cda75e 498 return (rc);
Kekehoho 1:4523d7cda75e 499 }
Kekehoho 1:4523d7cda75e 500
Kekehoho 1:4523d7cda75e 501 /*
Kekehoho 1:4523d7cda75e 502 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 503 * FILL SETUP PACKET
Kekehoho 1:4523d7cda75e 504 *
Kekehoho 1:4523d7cda75e 505 * Description: This function is used to fill the setup packet
Kekehoho 1:4523d7cda75e 506 *
Kekehoho 1:4523d7cda75e 507 * Arguments : None
Kekehoho 1:4523d7cda75e 508 *
Kekehoho 1:4523d7cda75e 509 * Returns : OK if Success
Kekehoho 1:4523d7cda75e 510 * ERR_INVALID_BOOTSIG if Failed
Kekehoho 1:4523d7cda75e 511 *
Kekehoho 1:4523d7cda75e 512 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 513 */
Kekehoho 1:4523d7cda75e 514
Kekehoho 1:4523d7cda75e 515 void Host_FillSetup (USB_INT08U bm_request_type,
Kekehoho 1:4523d7cda75e 516 USB_INT08U b_request,
Kekehoho 1:4523d7cda75e 517 USB_INT16U w_value,
Kekehoho 1:4523d7cda75e 518 USB_INT16U w_index,
Kekehoho 1:4523d7cda75e 519 USB_INT16U w_length)
Kekehoho 1:4523d7cda75e 520 {
Kekehoho 1:4523d7cda75e 521 int i;
Kekehoho 1:4523d7cda75e 522 for (i=0;i<w_length;i++)
Kekehoho 1:4523d7cda75e 523 TDBuffer[i] = 0;
Kekehoho 1:4523d7cda75e 524
Kekehoho 1:4523d7cda75e 525 TDBuffer[0] = bm_request_type;
Kekehoho 1:4523d7cda75e 526 TDBuffer[1] = b_request;
Kekehoho 1:4523d7cda75e 527 WriteLE16U(&TDBuffer[2], w_value);
Kekehoho 1:4523d7cda75e 528 WriteLE16U(&TDBuffer[4], w_index);
Kekehoho 1:4523d7cda75e 529 WriteLE16U(&TDBuffer[6], w_length);
Kekehoho 1:4523d7cda75e 530 }
Kekehoho 1:4523d7cda75e 531
Kekehoho 1:4523d7cda75e 532
Kekehoho 1:4523d7cda75e 533
Kekehoho 1:4523d7cda75e 534 /*
Kekehoho 1:4523d7cda75e 535 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 536 * INITIALIZE THE TRANSFER DESCRIPTOR
Kekehoho 1:4523d7cda75e 537 *
Kekehoho 1:4523d7cda75e 538 * Description: This function initializes transfer descriptor
Kekehoho 1:4523d7cda75e 539 *
Kekehoho 1:4523d7cda75e 540 * Arguments : Pointer to TD structure
Kekehoho 1:4523d7cda75e 541 *
Kekehoho 1:4523d7cda75e 542 * Returns : None
Kekehoho 1:4523d7cda75e 543 *
Kekehoho 1:4523d7cda75e 544 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 545 */
Kekehoho 1:4523d7cda75e 546
Kekehoho 1:4523d7cda75e 547 void Host_TDInit (volatile HCTD *td)
Kekehoho 1:4523d7cda75e 548 {
Kekehoho 1:4523d7cda75e 549
Kekehoho 1:4523d7cda75e 550 td->Control = 0;
Kekehoho 1:4523d7cda75e 551 td->CurrBufPtr = 0;
Kekehoho 1:4523d7cda75e 552 td->Next = 0;
Kekehoho 1:4523d7cda75e 553 td->BufEnd = 0;
Kekehoho 1:4523d7cda75e 554 }
Kekehoho 1:4523d7cda75e 555
Kekehoho 1:4523d7cda75e 556 /*
Kekehoho 1:4523d7cda75e 557 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 558 * INITIALIZE THE ENDPOINT DESCRIPTOR
Kekehoho 1:4523d7cda75e 559 *
Kekehoho 1:4523d7cda75e 560 * Description: This function initializes endpoint descriptor
Kekehoho 1:4523d7cda75e 561 *
Kekehoho 1:4523d7cda75e 562 * Arguments : Pointer to ED strcuture
Kekehoho 1:4523d7cda75e 563 *
Kekehoho 1:4523d7cda75e 564 * Returns : None
Kekehoho 1:4523d7cda75e 565 *
Kekehoho 1:4523d7cda75e 566 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 567 */
Kekehoho 1:4523d7cda75e 568
Kekehoho 1:4523d7cda75e 569 void Host_EDInit (volatile HCED *ed)
Kekehoho 1:4523d7cda75e 570 {
Kekehoho 1:4523d7cda75e 571
Kekehoho 1:4523d7cda75e 572 ed->Control = 0;
Kekehoho 1:4523d7cda75e 573 ed->TailTd = 0;
Kekehoho 1:4523d7cda75e 574 ed->HeadTd = 0;
Kekehoho 1:4523d7cda75e 575 ed->Next = 0;
Kekehoho 1:4523d7cda75e 576 }
Kekehoho 1:4523d7cda75e 577
Kekehoho 1:4523d7cda75e 578 /*
Kekehoho 1:4523d7cda75e 579 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 580 * INITIALIZE HOST CONTROLLER COMMUNICATIONS AREA
Kekehoho 1:4523d7cda75e 581 *
Kekehoho 1:4523d7cda75e 582 * Description: This function initializes host controller communications area
Kekehoho 1:4523d7cda75e 583 *
Kekehoho 1:4523d7cda75e 584 * Arguments : Pointer to HCCA
Kekehoho 1:4523d7cda75e 585 *
Kekehoho 1:4523d7cda75e 586 * Returns :
Kekehoho 1:4523d7cda75e 587 *
Kekehoho 1:4523d7cda75e 588 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 589 */
Kekehoho 1:4523d7cda75e 590
Kekehoho 1:4523d7cda75e 591 void Host_HCCAInit (volatile HCCA *hcca)
Kekehoho 1:4523d7cda75e 592 {
Kekehoho 1:4523d7cda75e 593 USB_INT32U i;
Kekehoho 1:4523d7cda75e 594
Kekehoho 1:4523d7cda75e 595
Kekehoho 1:4523d7cda75e 596 for (i = 0; i < 32; i++) {
Kekehoho 1:4523d7cda75e 597
Kekehoho 1:4523d7cda75e 598 hcca->IntTable[i] = 0;
Kekehoho 1:4523d7cda75e 599 hcca->FrameNumber = 0;
Kekehoho 1:4523d7cda75e 600 hcca->DoneHead = 0;
Kekehoho 1:4523d7cda75e 601 }
Kekehoho 1:4523d7cda75e 602
Kekehoho 1:4523d7cda75e 603 }
Kekehoho 1:4523d7cda75e 604
Kekehoho 1:4523d7cda75e 605 /*
Kekehoho 1:4523d7cda75e 606 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 607 * WAIT FOR WDH INTERRUPT
Kekehoho 1:4523d7cda75e 608 *
Kekehoho 1:4523d7cda75e 609 * Description: This function is infinite loop which breaks when ever a WDH interrupt rises
Kekehoho 1:4523d7cda75e 610 *
Kekehoho 1:4523d7cda75e 611 * Arguments : None
Kekehoho 1:4523d7cda75e 612 *
Kekehoho 1:4523d7cda75e 613 * Returns : None
Kekehoho 1:4523d7cda75e 614 *
Kekehoho 1:4523d7cda75e 615 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 616 */
Kekehoho 1:4523d7cda75e 617
Kekehoho 1:4523d7cda75e 618 void Host_WDHWait (void)
Kekehoho 1:4523d7cda75e 619 {
Kekehoho 1:4523d7cda75e 620 while (!HOST_WdhIntr)
Kekehoho 1:4523d7cda75e 621 __WFI();
Kekehoho 1:4523d7cda75e 622
Kekehoho 1:4523d7cda75e 623 HOST_WdhIntr = 0;
Kekehoho 1:4523d7cda75e 624 }
Kekehoho 1:4523d7cda75e 625
Kekehoho 1:4523d7cda75e 626 /*
Kekehoho 1:4523d7cda75e 627 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 628 * READ LE 32U
Kekehoho 1:4523d7cda75e 629 *
Kekehoho 1:4523d7cda75e 630 * Description: This function is used to read an unsigned integer from a character buffer in the platform
Kekehoho 1:4523d7cda75e 631 * containing little endian processor
Kekehoho 1:4523d7cda75e 632 *
Kekehoho 1:4523d7cda75e 633 * Arguments : pmem Pointer to the character buffer
Kekehoho 1:4523d7cda75e 634 *
Kekehoho 1:4523d7cda75e 635 * Returns : val Unsigned integer
Kekehoho 1:4523d7cda75e 636 *
Kekehoho 1:4523d7cda75e 637 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 638 */
Kekehoho 1:4523d7cda75e 639
Kekehoho 1:4523d7cda75e 640 USB_INT32U ReadLE32U (volatile USB_INT08U *pmem)
Kekehoho 1:4523d7cda75e 641 {
Kekehoho 1:4523d7cda75e 642 USB_INT32U val = *(USB_INT32U*)pmem;
Kekehoho 1:4523d7cda75e 643 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 644 return __REV(val);
Kekehoho 1:4523d7cda75e 645 #else
Kekehoho 1:4523d7cda75e 646 return val;
Kekehoho 1:4523d7cda75e 647 #endif
Kekehoho 1:4523d7cda75e 648 }
Kekehoho 1:4523d7cda75e 649
Kekehoho 1:4523d7cda75e 650 /*
Kekehoho 1:4523d7cda75e 651 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 652 * WRITE LE 32U
Kekehoho 1:4523d7cda75e 653 *
Kekehoho 1:4523d7cda75e 654 * Description: This function is used to write an unsigned integer into a charecter buffer in the platform
Kekehoho 1:4523d7cda75e 655 * containing little endian processor.
Kekehoho 1:4523d7cda75e 656 *
Kekehoho 1:4523d7cda75e 657 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 658 * val Integer value to be placed in the charecter buffer
Kekehoho 1:4523d7cda75e 659 *
Kekehoho 1:4523d7cda75e 660 * Returns : None
Kekehoho 1:4523d7cda75e 661 *
Kekehoho 1:4523d7cda75e 662 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 663 */
Kekehoho 1:4523d7cda75e 664
Kekehoho 1:4523d7cda75e 665 void WriteLE32U (volatile USB_INT08U *pmem,
Kekehoho 1:4523d7cda75e 666 USB_INT32U val)
Kekehoho 1:4523d7cda75e 667 {
Kekehoho 1:4523d7cda75e 668 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 669 *(USB_INT32U*)pmem = __REV(val);
Kekehoho 1:4523d7cda75e 670 #else
Kekehoho 1:4523d7cda75e 671 *(USB_INT32U*)pmem = val;
Kekehoho 1:4523d7cda75e 672 #endif
Kekehoho 1:4523d7cda75e 673 }
Kekehoho 1:4523d7cda75e 674
Kekehoho 1:4523d7cda75e 675 /*
Kekehoho 1:4523d7cda75e 676 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 677 * READ LE 16U
Kekehoho 1:4523d7cda75e 678 *
Kekehoho 1:4523d7cda75e 679 * Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
Kekehoho 1:4523d7cda75e 680 * containing little endian processor
Kekehoho 1:4523d7cda75e 681 *
Kekehoho 1:4523d7cda75e 682 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 683 *
Kekehoho 1:4523d7cda75e 684 * Returns : val Unsigned short integer
Kekehoho 1:4523d7cda75e 685 *
Kekehoho 1:4523d7cda75e 686 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 687 */
Kekehoho 1:4523d7cda75e 688
Kekehoho 1:4523d7cda75e 689 USB_INT16U ReadLE16U (volatile USB_INT08U *pmem)
Kekehoho 1:4523d7cda75e 690 {
Kekehoho 1:4523d7cda75e 691 USB_INT16U val = *(USB_INT16U*)pmem;
Kekehoho 1:4523d7cda75e 692 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 693 return __REV16(val);
Kekehoho 1:4523d7cda75e 694 #else
Kekehoho 1:4523d7cda75e 695 return val;
Kekehoho 1:4523d7cda75e 696 #endif
Kekehoho 1:4523d7cda75e 697 }
Kekehoho 1:4523d7cda75e 698
Kekehoho 1:4523d7cda75e 699 /*
Kekehoho 1:4523d7cda75e 700 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 701 * WRITE LE 16U
Kekehoho 1:4523d7cda75e 702 *
Kekehoho 1:4523d7cda75e 703 * Description: This function is used to write an unsigned short integer into a charecter buffer in the
Kekehoho 1:4523d7cda75e 704 * platform containing little endian processor
Kekehoho 1:4523d7cda75e 705 *
Kekehoho 1:4523d7cda75e 706 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 707 * val Value to be placed in the charecter buffer
Kekehoho 1:4523d7cda75e 708 *
Kekehoho 1:4523d7cda75e 709 * Returns : None
Kekehoho 1:4523d7cda75e 710 *
Kekehoho 1:4523d7cda75e 711 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 712 */
Kekehoho 1:4523d7cda75e 713
Kekehoho 1:4523d7cda75e 714 void WriteLE16U (volatile USB_INT08U *pmem,
Kekehoho 1:4523d7cda75e 715 USB_INT16U val)
Kekehoho 1:4523d7cda75e 716 {
Kekehoho 1:4523d7cda75e 717 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 718 *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
Kekehoho 1:4523d7cda75e 719 #else
Kekehoho 1:4523d7cda75e 720 *(USB_INT16U*)pmem = val;
Kekehoho 1:4523d7cda75e 721 #endif
Kekehoho 1:4523d7cda75e 722 }
Kekehoho 1:4523d7cda75e 723
Kekehoho 1:4523d7cda75e 724 /*
Kekehoho 1:4523d7cda75e 725 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 726 * READ BE 32U
Kekehoho 1:4523d7cda75e 727 *
Kekehoho 1:4523d7cda75e 728 * Description: This function is used to read an unsigned integer from a charecter buffer in the platform
Kekehoho 1:4523d7cda75e 729 * containing big endian processor
Kekehoho 1:4523d7cda75e 730 *
Kekehoho 1:4523d7cda75e 731 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 732 *
Kekehoho 1:4523d7cda75e 733 * Returns : val Unsigned integer
Kekehoho 1:4523d7cda75e 734 *
Kekehoho 1:4523d7cda75e 735 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 736 */
Kekehoho 1:4523d7cda75e 737
Kekehoho 1:4523d7cda75e 738 USB_INT32U ReadBE32U (volatile USB_INT08U *pmem)
Kekehoho 1:4523d7cda75e 739 {
Kekehoho 1:4523d7cda75e 740 USB_INT32U val = *(USB_INT32U*)pmem;
Kekehoho 1:4523d7cda75e 741 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 742 return val;
Kekehoho 1:4523d7cda75e 743 #else
Kekehoho 1:4523d7cda75e 744 return __REV(val);
Kekehoho 1:4523d7cda75e 745 #endif
Kekehoho 1:4523d7cda75e 746 }
Kekehoho 1:4523d7cda75e 747
Kekehoho 1:4523d7cda75e 748 /*
Kekehoho 1:4523d7cda75e 749 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 750 * WRITE BE 32U
Kekehoho 1:4523d7cda75e 751 *
Kekehoho 1:4523d7cda75e 752 * Description: This function is used to write an unsigned integer into a charecter buffer in the platform
Kekehoho 1:4523d7cda75e 753 * containing big endian processor
Kekehoho 1:4523d7cda75e 754 *
Kekehoho 1:4523d7cda75e 755 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 756 * val Value to be placed in the charecter buffer
Kekehoho 1:4523d7cda75e 757 *
Kekehoho 1:4523d7cda75e 758 * Returns : None
Kekehoho 1:4523d7cda75e 759 *
Kekehoho 1:4523d7cda75e 760 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 761 */
Kekehoho 1:4523d7cda75e 762
Kekehoho 1:4523d7cda75e 763 void WriteBE32U (volatile USB_INT08U *pmem,
Kekehoho 1:4523d7cda75e 764 USB_INT32U val)
Kekehoho 1:4523d7cda75e 765 {
Kekehoho 1:4523d7cda75e 766 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 767 *(USB_INT32U*)pmem = val;
Kekehoho 1:4523d7cda75e 768 #else
Kekehoho 1:4523d7cda75e 769 *(USB_INT32U*)pmem = __REV(val);
Kekehoho 1:4523d7cda75e 770 #endif
Kekehoho 1:4523d7cda75e 771 }
Kekehoho 1:4523d7cda75e 772
Kekehoho 1:4523d7cda75e 773 /*
Kekehoho 1:4523d7cda75e 774 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 775 * READ BE 16U
Kekehoho 1:4523d7cda75e 776 *
Kekehoho 1:4523d7cda75e 777 * Description: This function is used to read an unsigned short integer from a charecter buffer in the platform
Kekehoho 1:4523d7cda75e 778 * containing big endian processor
Kekehoho 1:4523d7cda75e 779 *
Kekehoho 1:4523d7cda75e 780 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 781 *
Kekehoho 1:4523d7cda75e 782 * Returns : val Unsigned short integer
Kekehoho 1:4523d7cda75e 783 *
Kekehoho 1:4523d7cda75e 784 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 785 */
Kekehoho 1:4523d7cda75e 786
Kekehoho 1:4523d7cda75e 787 USB_INT16U ReadBE16U (volatile USB_INT08U *pmem)
Kekehoho 1:4523d7cda75e 788 {
Kekehoho 1:4523d7cda75e 789 USB_INT16U val = *(USB_INT16U*)pmem;
Kekehoho 1:4523d7cda75e 790 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 791 return val;
Kekehoho 1:4523d7cda75e 792 #else
Kekehoho 1:4523d7cda75e 793 return __REV16(val);
Kekehoho 1:4523d7cda75e 794 #endif
Kekehoho 1:4523d7cda75e 795 }
Kekehoho 1:4523d7cda75e 796
Kekehoho 1:4523d7cda75e 797 /*
Kekehoho 1:4523d7cda75e 798 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 799 * WRITE BE 16U
Kekehoho 1:4523d7cda75e 800 *
Kekehoho 1:4523d7cda75e 801 * Description: This function is used to write an unsigned short integer into the charecter buffer in the
Kekehoho 1:4523d7cda75e 802 * platform containing big endian processor
Kekehoho 1:4523d7cda75e 803 *
Kekehoho 1:4523d7cda75e 804 * Arguments : pmem Pointer to the charecter buffer
Kekehoho 1:4523d7cda75e 805 * val Value to be placed in the charecter buffer
Kekehoho 1:4523d7cda75e 806 *
Kekehoho 1:4523d7cda75e 807 * Returns : None
Kekehoho 1:4523d7cda75e 808 *
Kekehoho 1:4523d7cda75e 809 **************************************************************************************************************
Kekehoho 1:4523d7cda75e 810 */
Kekehoho 1:4523d7cda75e 811
Kekehoho 1:4523d7cda75e 812 void WriteBE16U (volatile USB_INT08U *pmem,
Kekehoho 1:4523d7cda75e 813 USB_INT16U val)
Kekehoho 1:4523d7cda75e 814 {
Kekehoho 1:4523d7cda75e 815 #ifdef __BIG_ENDIAN
Kekehoho 1:4523d7cda75e 816 *(USB_INT16U*)pmem = val;
Kekehoho 1:4523d7cda75e 817 #else
Kekehoho 1:4523d7cda75e 818 *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF);
Kekehoho 1:4523d7cda75e 819 #endif
Kekehoho 1:4523d7cda75e 820 }