Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
USBDEV/USBCDC/usbhw.c@0:bf7b9fba3924, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 05:38:56 2011 +0000
- Revision:
- 0:bf7b9fba3924
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| frank26080115 | 0:bf7b9fba3924 | 1 | /*---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 2 | * U S B - K e r n e l |
| frank26080115 | 0:bf7b9fba3924 | 3 | *---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 4 | * Name: usbhw.c |
| frank26080115 | 0:bf7b9fba3924 | 5 | * Purpose: USB Hardware Layer Module for NXP's LPC17xx MCU |
| frank26080115 | 0:bf7b9fba3924 | 6 | * Version: V1.20 |
| frank26080115 | 0:bf7b9fba3924 | 7 | *---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 8 | * This software is supplied "AS IS" without any warranties, express, |
| frank26080115 | 0:bf7b9fba3924 | 9 | * implied or statutory, including but not limited to the implied |
| frank26080115 | 0:bf7b9fba3924 | 10 | * warranties of fitness for purpose, satisfactory quality and |
| frank26080115 | 0:bf7b9fba3924 | 11 | * noninfringement. Keil extends you a royalty-free right to reproduce |
| frank26080115 | 0:bf7b9fba3924 | 12 | * and distribute executable files created using this software for use |
| frank26080115 | 0:bf7b9fba3924 | 13 | * on NXP Semiconductors LPC family microcontroller devices only. Nothing |
| frank26080115 | 0:bf7b9fba3924 | 14 | * else gives you the right to use this software. |
| frank26080115 | 0:bf7b9fba3924 | 15 | * |
| frank26080115 | 0:bf7b9fba3924 | 16 | * Copyright (c) 2009 Keil - An ARM Company. All rights reserved. |
| frank26080115 | 0:bf7b9fba3924 | 17 | *---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 18 | * History: |
| frank26080115 | 0:bf7b9fba3924 | 19 | * V1.20 Added USB_ClearEPBuf |
| frank26080115 | 0:bf7b9fba3924 | 20 | * V1.00 Initial Version |
| frank26080115 | 0:bf7b9fba3924 | 21 | *----------------------------------------------------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 22 | #include "LPC17xx.h" /* LPC17xx definitions */ |
| frank26080115 | 0:bf7b9fba3924 | 23 | #include "usb.h" |
| frank26080115 | 0:bf7b9fba3924 | 24 | #include "usbcfg.h" |
| frank26080115 | 0:bf7b9fba3924 | 25 | #include "usbreg.h" |
| frank26080115 | 0:bf7b9fba3924 | 26 | #include "usbhw.h" |
| frank26080115 | 0:bf7b9fba3924 | 27 | #include "usbcore.h" |
| frank26080115 | 0:bf7b9fba3924 | 28 | #include "usbuser.h" |
| frank26080115 | 0:bf7b9fba3924 | 29 | |
| frank26080115 | 0:bf7b9fba3924 | 30 | #if defined ( __CC_ARM__ ) |
| frank26080115 | 0:bf7b9fba3924 | 31 | #pragma diag_suppress 1441 |
| frank26080115 | 0:bf7b9fba3924 | 32 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 33 | |
| frank26080115 | 0:bf7b9fba3924 | 34 | |
| frank26080115 | 0:bf7b9fba3924 | 35 | #define EP_MSK_CTRL 0x0001 /* Control Endpoint Logical Address Mask */ |
| frank26080115 | 0:bf7b9fba3924 | 36 | #define EP_MSK_BULK 0xC924 /* Bulk Endpoint Logical Address Mask */ |
| frank26080115 | 0:bf7b9fba3924 | 37 | #define EP_MSK_INT 0x4492 /* Interrupt Endpoint Logical Address Mask */ |
| frank26080115 | 0:bf7b9fba3924 | 38 | #define EP_MSK_ISO 0x1248 /* Isochronous Endpoint Logical Address Mask */ |
| frank26080115 | 0:bf7b9fba3924 | 39 | |
| frank26080115 | 0:bf7b9fba3924 | 40 | |
| frank26080115 | 0:bf7b9fba3924 | 41 | #if USB_DMA |
| frank26080115 | 0:bf7b9fba3924 | 42 | |
| frank26080115 | 0:bf7b9fba3924 | 43 | #pragma arm section zidata = "USB_RAM" |
| frank26080115 | 0:bf7b9fba3924 | 44 | uint32_t UDCA[USB_EP_NUM]; /* UDCA in USB RAM */ |
| frank26080115 | 0:bf7b9fba3924 | 45 | uint32_t DD_NISO_Mem[4*DD_NISO_CNT]; /* Non-Iso DMA Descriptor Memory */ |
| frank26080115 | 0:bf7b9fba3924 | 46 | uint32_t DD_ISO_Mem [5*DD_ISO_CNT]; /* Iso DMA Descriptor Memory */ |
| frank26080115 | 0:bf7b9fba3924 | 47 | #pragma arm section zidata |
| frank26080115 | 0:bf7b9fba3924 | 48 | uint32_t udca[USB_EP_NUM]; /* UDCA saved values */ |
| frank26080115 | 0:bf7b9fba3924 | 49 | |
| frank26080115 | 0:bf7b9fba3924 | 50 | uint32_t DDMemMap[2]; /* DMA Descriptor Memory Usage */ |
| frank26080115 | 0:bf7b9fba3924 | 51 | |
| frank26080115 | 0:bf7b9fba3924 | 52 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 53 | |
| frank26080115 | 0:bf7b9fba3924 | 54 | |
| frank26080115 | 0:bf7b9fba3924 | 55 | /* |
| frank26080115 | 0:bf7b9fba3924 | 56 | * Get Endpoint Physical Address |
| frank26080115 | 0:bf7b9fba3924 | 57 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 58 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 59 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 60 | * Return Value: Endpoint Physical Address |
| frank26080115 | 0:bf7b9fba3924 | 61 | */ |
| frank26080115 | 0:bf7b9fba3924 | 62 | |
| frank26080115 | 0:bf7b9fba3924 | 63 | uint32_t EPAdr (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 64 | uint32_t val; |
| frank26080115 | 0:bf7b9fba3924 | 65 | |
| frank26080115 | 0:bf7b9fba3924 | 66 | val = (EPNum & 0x0F) << 1; |
| frank26080115 | 0:bf7b9fba3924 | 67 | if (EPNum & 0x80) { |
| frank26080115 | 0:bf7b9fba3924 | 68 | val += 1; |
| frank26080115 | 0:bf7b9fba3924 | 69 | } |
| frank26080115 | 0:bf7b9fba3924 | 70 | return (val); |
| frank26080115 | 0:bf7b9fba3924 | 71 | } |
| frank26080115 | 0:bf7b9fba3924 | 72 | |
| frank26080115 | 0:bf7b9fba3924 | 73 | |
| frank26080115 | 0:bf7b9fba3924 | 74 | /* |
| frank26080115 | 0:bf7b9fba3924 | 75 | * Write Command |
| frank26080115 | 0:bf7b9fba3924 | 76 | * Parameters: cmd: Command |
| frank26080115 | 0:bf7b9fba3924 | 77 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 78 | */ |
| frank26080115 | 0:bf7b9fba3924 | 79 | |
| frank26080115 | 0:bf7b9fba3924 | 80 | void WrCmd (uint32_t cmd) { |
| frank26080115 | 0:bf7b9fba3924 | 81 | |
| frank26080115 | 0:bf7b9fba3924 | 82 | LPC_USB->USBDevIntClr = CCEMTY_INT; |
| frank26080115 | 0:bf7b9fba3924 | 83 | LPC_USB->USBCmdCode = cmd; |
| frank26080115 | 0:bf7b9fba3924 | 84 | while ((LPC_USB->USBDevIntSt & CCEMTY_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 85 | } |
| frank26080115 | 0:bf7b9fba3924 | 86 | |
| frank26080115 | 0:bf7b9fba3924 | 87 | |
| frank26080115 | 0:bf7b9fba3924 | 88 | /* |
| frank26080115 | 0:bf7b9fba3924 | 89 | * Write Command Data |
| frank26080115 | 0:bf7b9fba3924 | 90 | * Parameters: cmd: Command |
| frank26080115 | 0:bf7b9fba3924 | 91 | * val: Data |
| frank26080115 | 0:bf7b9fba3924 | 92 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 93 | */ |
| frank26080115 | 0:bf7b9fba3924 | 94 | |
| frank26080115 | 0:bf7b9fba3924 | 95 | void WrCmdDat (uint32_t cmd, uint32_t val) { |
| frank26080115 | 0:bf7b9fba3924 | 96 | |
| frank26080115 | 0:bf7b9fba3924 | 97 | LPC_USB->USBDevIntClr = CCEMTY_INT; |
| frank26080115 | 0:bf7b9fba3924 | 98 | LPC_USB->USBCmdCode = cmd; |
| frank26080115 | 0:bf7b9fba3924 | 99 | while ((LPC_USB->USBDevIntSt & CCEMTY_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 100 | LPC_USB->USBDevIntClr = CCEMTY_INT; |
| frank26080115 | 0:bf7b9fba3924 | 101 | LPC_USB->USBCmdCode = val; |
| frank26080115 | 0:bf7b9fba3924 | 102 | while ((LPC_USB->USBDevIntSt & CCEMTY_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 103 | } |
| frank26080115 | 0:bf7b9fba3924 | 104 | |
| frank26080115 | 0:bf7b9fba3924 | 105 | |
| frank26080115 | 0:bf7b9fba3924 | 106 | /* |
| frank26080115 | 0:bf7b9fba3924 | 107 | * Write Command to Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 108 | * Parameters: cmd: Command |
| frank26080115 | 0:bf7b9fba3924 | 109 | * val: Data |
| frank26080115 | 0:bf7b9fba3924 | 110 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 111 | */ |
| frank26080115 | 0:bf7b9fba3924 | 112 | |
| frank26080115 | 0:bf7b9fba3924 | 113 | void WrCmdEP (uint32_t EPNum, uint32_t cmd){ |
| frank26080115 | 0:bf7b9fba3924 | 114 | |
| frank26080115 | 0:bf7b9fba3924 | 115 | LPC_USB->USBDevIntClr = CCEMTY_INT; |
| frank26080115 | 0:bf7b9fba3924 | 116 | LPC_USB->USBCmdCode = CMD_SEL_EP(EPAdr(EPNum)); |
| frank26080115 | 0:bf7b9fba3924 | 117 | while ((LPC_USB->USBDevIntSt & CCEMTY_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 118 | LPC_USB->USBDevIntClr = CCEMTY_INT; |
| frank26080115 | 0:bf7b9fba3924 | 119 | LPC_USB->USBCmdCode = cmd; |
| frank26080115 | 0:bf7b9fba3924 | 120 | while ((LPC_USB->USBDevIntSt & CCEMTY_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 121 | } |
| frank26080115 | 0:bf7b9fba3924 | 122 | |
| frank26080115 | 0:bf7b9fba3924 | 123 | |
| frank26080115 | 0:bf7b9fba3924 | 124 | /* |
| frank26080115 | 0:bf7b9fba3924 | 125 | * Read Command Data |
| frank26080115 | 0:bf7b9fba3924 | 126 | * Parameters: cmd: Command |
| frank26080115 | 0:bf7b9fba3924 | 127 | * Return Value: Data Value |
| frank26080115 | 0:bf7b9fba3924 | 128 | */ |
| frank26080115 | 0:bf7b9fba3924 | 129 | |
| frank26080115 | 0:bf7b9fba3924 | 130 | uint32_t RdCmdDat (uint32_t cmd) { |
| frank26080115 | 0:bf7b9fba3924 | 131 | |
| frank26080115 | 0:bf7b9fba3924 | 132 | LPC_USB->USBDevIntClr = CCEMTY_INT | CDFULL_INT; |
| frank26080115 | 0:bf7b9fba3924 | 133 | LPC_USB->USBCmdCode = cmd; |
| frank26080115 | 0:bf7b9fba3924 | 134 | while ((LPC_USB->USBDevIntSt & CDFULL_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 135 | return (LPC_USB->USBCmdData); |
| frank26080115 | 0:bf7b9fba3924 | 136 | } |
| frank26080115 | 0:bf7b9fba3924 | 137 | |
| frank26080115 | 0:bf7b9fba3924 | 138 | |
| frank26080115 | 0:bf7b9fba3924 | 139 | /* |
| frank26080115 | 0:bf7b9fba3924 | 140 | * USB Initialize Function |
| frank26080115 | 0:bf7b9fba3924 | 141 | * Called by the User to initialize USB |
| frank26080115 | 0:bf7b9fba3924 | 142 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 143 | */ |
| frank26080115 | 0:bf7b9fba3924 | 144 | |
| frank26080115 | 0:bf7b9fba3924 | 145 | void USB_Init (void) { |
| frank26080115 | 0:bf7b9fba3924 | 146 | |
| frank26080115 | 0:bf7b9fba3924 | 147 | LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28)); /* P0.29 D+, P0.30 D- */ |
| frank26080115 | 0:bf7b9fba3924 | 148 | LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); /* PINSEL1 26.27, 28.29 = 01 */ |
| frank26080115 | 0:bf7b9fba3924 | 149 | |
| frank26080115 | 0:bf7b9fba3924 | 150 | LPC_PINCON->PINSEL3 &= ~((3<< 4)|(3<<28)); /* P1.18 GoodLink, P1.30 VBUS */ |
| frank26080115 | 0:bf7b9fba3924 | 151 | LPC_PINCON->PINSEL3 |= ((1<< 4)|(2<<28)); /* PINSEL3 4.5 = 01, 28.29 = 10 */ |
| frank26080115 | 0:bf7b9fba3924 | 152 | |
| frank26080115 | 0:bf7b9fba3924 | 153 | LPC_PINCON->PINSEL4 &= ~((3<<18) ); /* P2.9 SoftConnect */ |
| frank26080115 | 0:bf7b9fba3924 | 154 | LPC_PINCON->PINSEL4 |= ((1<<18) ); /* PINSEL4 18.19 = 01 */ |
| frank26080115 | 0:bf7b9fba3924 | 155 | |
| frank26080115 | 0:bf7b9fba3924 | 156 | LPC_SC->PCONP |= (1UL<<31); /* USB PCLK -> enable USB Per. */ |
| frank26080115 | 0:bf7b9fba3924 | 157 | |
| frank26080115 | 0:bf7b9fba3924 | 158 | LPC_USB->USBClkCtrl = 0x1A; /* Dev, PortSel, AHB clock enable */ |
| frank26080115 | 0:bf7b9fba3924 | 159 | while ((LPC_USB->USBClkSt & 0x1A) != 0x1A); |
| frank26080115 | 0:bf7b9fba3924 | 160 | |
| frank26080115 | 0:bf7b9fba3924 | 161 | NVIC_EnableIRQ(USB_IRQn); /* enable USB interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 162 | |
| frank26080115 | 0:bf7b9fba3924 | 163 | USB_Reset(); |
| frank26080115 | 0:bf7b9fba3924 | 164 | USB_SetAddress(0); |
| frank26080115 | 0:bf7b9fba3924 | 165 | } |
| frank26080115 | 0:bf7b9fba3924 | 166 | |
| frank26080115 | 0:bf7b9fba3924 | 167 | |
| frank26080115 | 0:bf7b9fba3924 | 168 | /* |
| frank26080115 | 0:bf7b9fba3924 | 169 | * USB Connect Function |
| frank26080115 | 0:bf7b9fba3924 | 170 | * Called by the User to Connect/Disconnect USB |
| frank26080115 | 0:bf7b9fba3924 | 171 | * Parameters: con: Connect/Disconnect |
| frank26080115 | 0:bf7b9fba3924 | 172 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 173 | */ |
| frank26080115 | 0:bf7b9fba3924 | 174 | |
| frank26080115 | 0:bf7b9fba3924 | 175 | void USB_Connect (uint32_t con) { |
| frank26080115 | 0:bf7b9fba3924 | 176 | WrCmdDat(CMD_SET_DEV_STAT, DAT_WR_BYTE(con ? DEV_CON : 0)); |
| frank26080115 | 0:bf7b9fba3924 | 177 | } |
| frank26080115 | 0:bf7b9fba3924 | 178 | |
| frank26080115 | 0:bf7b9fba3924 | 179 | |
| frank26080115 | 0:bf7b9fba3924 | 180 | /* |
| frank26080115 | 0:bf7b9fba3924 | 181 | * USB Reset Function |
| frank26080115 | 0:bf7b9fba3924 | 182 | * Called automatically on USB Reset |
| frank26080115 | 0:bf7b9fba3924 | 183 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 184 | */ |
| frank26080115 | 0:bf7b9fba3924 | 185 | |
| frank26080115 | 0:bf7b9fba3924 | 186 | void USB_Reset (void) { |
| frank26080115 | 0:bf7b9fba3924 | 187 | #if USB_DMA |
| frank26080115 | 0:bf7b9fba3924 | 188 | uint32_t n; |
| frank26080115 | 0:bf7b9fba3924 | 189 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 190 | |
| frank26080115 | 0:bf7b9fba3924 | 191 | LPC_USB->USBEpInd = 0; |
| frank26080115 | 0:bf7b9fba3924 | 192 | LPC_USB->USBMaxPSize = USB_MAX_PACKET0; |
| frank26080115 | 0:bf7b9fba3924 | 193 | LPC_USB->USBEpInd = 1; |
| frank26080115 | 0:bf7b9fba3924 | 194 | LPC_USB->USBMaxPSize = USB_MAX_PACKET0; |
| frank26080115 | 0:bf7b9fba3924 | 195 | while ((LPC_USB->USBDevIntSt & EP_RLZED_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 196 | |
| frank26080115 | 0:bf7b9fba3924 | 197 | LPC_USB->USBEpIntClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 198 | LPC_USB->USBEpIntEn = 0xFFFFFFFF ^ USB_DMA_EP; |
| frank26080115 | 0:bf7b9fba3924 | 199 | LPC_USB->USBDevIntClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 200 | LPC_USB->USBDevIntEn = DEV_STAT_INT | EP_SLOW_INT | |
| frank26080115 | 0:bf7b9fba3924 | 201 | (USB_SOF_EVENT ? FRAME_INT : 0) | |
| frank26080115 | 0:bf7b9fba3924 | 202 | (USB_ERROR_EVENT ? ERR_INT : 0); |
| frank26080115 | 0:bf7b9fba3924 | 203 | |
| frank26080115 | 0:bf7b9fba3924 | 204 | #if USB_DMA |
| frank26080115 | 0:bf7b9fba3924 | 205 | LPC_USB->USBUDCAH = USB_RAM_ADR; |
| frank26080115 | 0:bf7b9fba3924 | 206 | LPC_USB->USBDMARClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 207 | LPC_USB->USBEpDMADis = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 208 | LPC_USB->USBEpDMAEn = USB_DMA_EP; |
| frank26080115 | 0:bf7b9fba3924 | 209 | LPC_USB->USBEoTIntClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 210 | LPC_USB->USBNDDRIntClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 211 | LPC_USB->USBSysErrIntClr = 0xFFFFFFFF; |
| frank26080115 | 0:bf7b9fba3924 | 212 | LPC_USB->USBDMAIntEn = 0x00000007; |
| frank26080115 | 0:bf7b9fba3924 | 213 | DDMemMap[0] = 0x00000000; |
| frank26080115 | 0:bf7b9fba3924 | 214 | DDMemMap[1] = 0x00000000; |
| frank26080115 | 0:bf7b9fba3924 | 215 | for (n = 0; n < USB_EP_NUM; n++) { |
| frank26080115 | 0:bf7b9fba3924 | 216 | udca[n] = 0; |
| frank26080115 | 0:bf7b9fba3924 | 217 | UDCA[n] = 0; |
| frank26080115 | 0:bf7b9fba3924 | 218 | } |
| frank26080115 | 0:bf7b9fba3924 | 219 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 220 | } |
| frank26080115 | 0:bf7b9fba3924 | 221 | |
| frank26080115 | 0:bf7b9fba3924 | 222 | |
| frank26080115 | 0:bf7b9fba3924 | 223 | /* |
| frank26080115 | 0:bf7b9fba3924 | 224 | * USB Suspend Function |
| frank26080115 | 0:bf7b9fba3924 | 225 | * Called automatically on USB Suspend |
| frank26080115 | 0:bf7b9fba3924 | 226 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 227 | */ |
| frank26080115 | 0:bf7b9fba3924 | 228 | |
| frank26080115 | 0:bf7b9fba3924 | 229 | void USB_Suspend (void) { |
| frank26080115 | 0:bf7b9fba3924 | 230 | /* Performed by Hardware */ |
| frank26080115 | 0:bf7b9fba3924 | 231 | } |
| frank26080115 | 0:bf7b9fba3924 | 232 | |
| frank26080115 | 0:bf7b9fba3924 | 233 | |
| frank26080115 | 0:bf7b9fba3924 | 234 | /* |
| frank26080115 | 0:bf7b9fba3924 | 235 | * USB Resume Function |
| frank26080115 | 0:bf7b9fba3924 | 236 | * Called automatically on USB Resume |
| frank26080115 | 0:bf7b9fba3924 | 237 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 238 | */ |
| frank26080115 | 0:bf7b9fba3924 | 239 | |
| frank26080115 | 0:bf7b9fba3924 | 240 | void USB_Resume (void) { |
| frank26080115 | 0:bf7b9fba3924 | 241 | /* Performed by Hardware */ |
| frank26080115 | 0:bf7b9fba3924 | 242 | } |
| frank26080115 | 0:bf7b9fba3924 | 243 | |
| frank26080115 | 0:bf7b9fba3924 | 244 | |
| frank26080115 | 0:bf7b9fba3924 | 245 | /* |
| frank26080115 | 0:bf7b9fba3924 | 246 | * USB Remote Wakeup Function |
| frank26080115 | 0:bf7b9fba3924 | 247 | * Called automatically on USB Remote Wakeup |
| frank26080115 | 0:bf7b9fba3924 | 248 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 249 | */ |
| frank26080115 | 0:bf7b9fba3924 | 250 | |
| frank26080115 | 0:bf7b9fba3924 | 251 | void USB_WakeUp (void) { |
| frank26080115 | 0:bf7b9fba3924 | 252 | |
| frank26080115 | 0:bf7b9fba3924 | 253 | if (USB_DeviceStatus & USB_GETSTATUS_REMOTE_WAKEUP) { |
| frank26080115 | 0:bf7b9fba3924 | 254 | WrCmdDat(CMD_SET_DEV_STAT, DAT_WR_BYTE(DEV_CON)); |
| frank26080115 | 0:bf7b9fba3924 | 255 | } |
| frank26080115 | 0:bf7b9fba3924 | 256 | } |
| frank26080115 | 0:bf7b9fba3924 | 257 | |
| frank26080115 | 0:bf7b9fba3924 | 258 | |
| frank26080115 | 0:bf7b9fba3924 | 259 | /* |
| frank26080115 | 0:bf7b9fba3924 | 260 | * USB Remote Wakeup Configuration Function |
| frank26080115 | 0:bf7b9fba3924 | 261 | * Parameters: cfg: Enable/Disable |
| frank26080115 | 0:bf7b9fba3924 | 262 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 263 | */ |
| frank26080115 | 0:bf7b9fba3924 | 264 | |
| frank26080115 | 0:bf7b9fba3924 | 265 | void USB_WakeUpCfg (uint32_t cfg) { |
| frank26080115 | 0:bf7b9fba3924 | 266 | /* Not needed */ |
| frank26080115 | 0:bf7b9fba3924 | 267 | } |
| frank26080115 | 0:bf7b9fba3924 | 268 | |
| frank26080115 | 0:bf7b9fba3924 | 269 | |
| frank26080115 | 0:bf7b9fba3924 | 270 | /* |
| frank26080115 | 0:bf7b9fba3924 | 271 | * USB Set Address Function |
| frank26080115 | 0:bf7b9fba3924 | 272 | * Parameters: adr: USB Address |
| frank26080115 | 0:bf7b9fba3924 | 273 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 274 | */ |
| frank26080115 | 0:bf7b9fba3924 | 275 | |
| frank26080115 | 0:bf7b9fba3924 | 276 | void USB_SetAddress (uint32_t adr) { |
| frank26080115 | 0:bf7b9fba3924 | 277 | WrCmdDat(CMD_SET_ADDR, DAT_WR_BYTE(DEV_EN | adr)); /* Don't wait for next */ |
| frank26080115 | 0:bf7b9fba3924 | 278 | WrCmdDat(CMD_SET_ADDR, DAT_WR_BYTE(DEV_EN | adr)); /* Setup Status Phase */ |
| frank26080115 | 0:bf7b9fba3924 | 279 | } |
| frank26080115 | 0:bf7b9fba3924 | 280 | |
| frank26080115 | 0:bf7b9fba3924 | 281 | |
| frank26080115 | 0:bf7b9fba3924 | 282 | /* |
| frank26080115 | 0:bf7b9fba3924 | 283 | * USB Configure Function |
| frank26080115 | 0:bf7b9fba3924 | 284 | * Parameters: cfg: Configure/Deconfigure |
| frank26080115 | 0:bf7b9fba3924 | 285 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 286 | */ |
| frank26080115 | 0:bf7b9fba3924 | 287 | |
| frank26080115 | 0:bf7b9fba3924 | 288 | void USB_Configure (uint32_t cfg) { |
| frank26080115 | 0:bf7b9fba3924 | 289 | |
| frank26080115 | 0:bf7b9fba3924 | 290 | WrCmdDat(CMD_CFG_DEV, DAT_WR_BYTE(cfg ? CONF_DVICE : 0)); |
| frank26080115 | 0:bf7b9fba3924 | 291 | |
| frank26080115 | 0:bf7b9fba3924 | 292 | LPC_USB->USBReEp = 0x00000003; |
| frank26080115 | 0:bf7b9fba3924 | 293 | while ((LPC_USB->USBDevIntSt & EP_RLZED_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 294 | LPC_USB->USBDevIntClr = EP_RLZED_INT; |
| frank26080115 | 0:bf7b9fba3924 | 295 | } |
| frank26080115 | 0:bf7b9fba3924 | 296 | |
| frank26080115 | 0:bf7b9fba3924 | 297 | |
| frank26080115 | 0:bf7b9fba3924 | 298 | /* |
| frank26080115 | 0:bf7b9fba3924 | 299 | * Configure USB Endpoint according to Descriptor |
| frank26080115 | 0:bf7b9fba3924 | 300 | * Parameters: pEPD: Pointer to Endpoint Descriptor |
| frank26080115 | 0:bf7b9fba3924 | 301 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 302 | */ |
| frank26080115 | 0:bf7b9fba3924 | 303 | |
| frank26080115 | 0:bf7b9fba3924 | 304 | void USB_ConfigEP (USB_ENDPOINT_DESCRIPTOR *pEPD) { |
| frank26080115 | 0:bf7b9fba3924 | 305 | uint32_t num; |
| frank26080115 | 0:bf7b9fba3924 | 306 | |
| frank26080115 | 0:bf7b9fba3924 | 307 | num = EPAdr(pEPD->bEndpointAddress); |
| frank26080115 | 0:bf7b9fba3924 | 308 | LPC_USB->USBReEp |= (1 << num); |
| frank26080115 | 0:bf7b9fba3924 | 309 | LPC_USB->USBEpInd = num; |
| frank26080115 | 0:bf7b9fba3924 | 310 | LPC_USB->USBMaxPSize = pEPD->wMaxPacketSize; |
| frank26080115 | 0:bf7b9fba3924 | 311 | while ((LPC_USB->USBDevIntSt & EP_RLZED_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 312 | LPC_USB->USBDevIntClr = EP_RLZED_INT; |
| frank26080115 | 0:bf7b9fba3924 | 313 | } |
| frank26080115 | 0:bf7b9fba3924 | 314 | |
| frank26080115 | 0:bf7b9fba3924 | 315 | |
| frank26080115 | 0:bf7b9fba3924 | 316 | /* |
| frank26080115 | 0:bf7b9fba3924 | 317 | * Set Direction for USB Control Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 318 | * Parameters: dir: Out (dir == 0), In (dir <> 0) |
| frank26080115 | 0:bf7b9fba3924 | 319 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 320 | */ |
| frank26080115 | 0:bf7b9fba3924 | 321 | |
| frank26080115 | 0:bf7b9fba3924 | 322 | void USB_DirCtrlEP (uint32_t dir) { |
| frank26080115 | 0:bf7b9fba3924 | 323 | /* Not needed */ |
| frank26080115 | 0:bf7b9fba3924 | 324 | } |
| frank26080115 | 0:bf7b9fba3924 | 325 | |
| frank26080115 | 0:bf7b9fba3924 | 326 | |
| frank26080115 | 0:bf7b9fba3924 | 327 | /* |
| frank26080115 | 0:bf7b9fba3924 | 328 | * Enable USB Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 329 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 330 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 331 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 332 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 333 | */ |
| frank26080115 | 0:bf7b9fba3924 | 334 | |
| frank26080115 | 0:bf7b9fba3924 | 335 | void USB_EnableEP (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 336 | WrCmdDat(CMD_SET_EP_STAT(EPAdr(EPNum)), DAT_WR_BYTE(0)); |
| frank26080115 | 0:bf7b9fba3924 | 337 | } |
| frank26080115 | 0:bf7b9fba3924 | 338 | |
| frank26080115 | 0:bf7b9fba3924 | 339 | |
| frank26080115 | 0:bf7b9fba3924 | 340 | /* |
| frank26080115 | 0:bf7b9fba3924 | 341 | * Disable USB Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 342 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 343 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 344 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 345 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 346 | */ |
| frank26080115 | 0:bf7b9fba3924 | 347 | |
| frank26080115 | 0:bf7b9fba3924 | 348 | void USB_DisableEP (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 349 | WrCmdDat(CMD_SET_EP_STAT(EPAdr(EPNum)), DAT_WR_BYTE(EP_STAT_DA)); |
| frank26080115 | 0:bf7b9fba3924 | 350 | } |
| frank26080115 | 0:bf7b9fba3924 | 351 | |
| frank26080115 | 0:bf7b9fba3924 | 352 | |
| frank26080115 | 0:bf7b9fba3924 | 353 | /* |
| frank26080115 | 0:bf7b9fba3924 | 354 | * Reset USB Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 355 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 356 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 357 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 358 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 359 | */ |
| frank26080115 | 0:bf7b9fba3924 | 360 | |
| frank26080115 | 0:bf7b9fba3924 | 361 | void USB_ResetEP (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 362 | WrCmdDat(CMD_SET_EP_STAT(EPAdr(EPNum)), DAT_WR_BYTE(0)); |
| frank26080115 | 0:bf7b9fba3924 | 363 | } |
| frank26080115 | 0:bf7b9fba3924 | 364 | |
| frank26080115 | 0:bf7b9fba3924 | 365 | |
| frank26080115 | 0:bf7b9fba3924 | 366 | /* |
| frank26080115 | 0:bf7b9fba3924 | 367 | * Set Stall for USB Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 368 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 369 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 370 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 371 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 372 | */ |
| frank26080115 | 0:bf7b9fba3924 | 373 | |
| frank26080115 | 0:bf7b9fba3924 | 374 | void USB_SetStallEP (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 375 | WrCmdDat(CMD_SET_EP_STAT(EPAdr(EPNum)), DAT_WR_BYTE(EP_STAT_ST)); |
| frank26080115 | 0:bf7b9fba3924 | 376 | } |
| frank26080115 | 0:bf7b9fba3924 | 377 | |
| frank26080115 | 0:bf7b9fba3924 | 378 | |
| frank26080115 | 0:bf7b9fba3924 | 379 | /* |
| frank26080115 | 0:bf7b9fba3924 | 380 | * Clear Stall for USB Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 381 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 382 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 383 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 384 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 385 | */ |
| frank26080115 | 0:bf7b9fba3924 | 386 | |
| frank26080115 | 0:bf7b9fba3924 | 387 | void USB_ClrStallEP (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 388 | WrCmdDat(CMD_SET_EP_STAT(EPAdr(EPNum)), DAT_WR_BYTE(0)); |
| frank26080115 | 0:bf7b9fba3924 | 389 | } |
| frank26080115 | 0:bf7b9fba3924 | 390 | |
| frank26080115 | 0:bf7b9fba3924 | 391 | |
| frank26080115 | 0:bf7b9fba3924 | 392 | /* |
| frank26080115 | 0:bf7b9fba3924 | 393 | * Clear USB Endpoint Buffer |
| frank26080115 | 0:bf7b9fba3924 | 394 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 395 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 396 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 397 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 398 | */ |
| frank26080115 | 0:bf7b9fba3924 | 399 | |
| frank26080115 | 0:bf7b9fba3924 | 400 | void USB_ClearEPBuf (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 401 | WrCmdEP(EPNum, CMD_CLR_BUF); |
| frank26080115 | 0:bf7b9fba3924 | 402 | } |
| frank26080115 | 0:bf7b9fba3924 | 403 | |
| frank26080115 | 0:bf7b9fba3924 | 404 | |
| frank26080115 | 0:bf7b9fba3924 | 405 | /* |
| frank26080115 | 0:bf7b9fba3924 | 406 | * Read USB Endpoint Data |
| frank26080115 | 0:bf7b9fba3924 | 407 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 408 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 409 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 410 | * pData: Pointer to Data Buffer |
| frank26080115 | 0:bf7b9fba3924 | 411 | * Return Value: Number of bytes read |
| frank26080115 | 0:bf7b9fba3924 | 412 | */ |
| frank26080115 | 0:bf7b9fba3924 | 413 | |
| frank26080115 | 0:bf7b9fba3924 | 414 | uint32_t USB_ReadEP (uint32_t EPNum, uint8_t *pData) { |
| frank26080115 | 0:bf7b9fba3924 | 415 | uint32_t cnt, n; |
| frank26080115 | 0:bf7b9fba3924 | 416 | |
| frank26080115 | 0:bf7b9fba3924 | 417 | LPC_USB->USBCtrl = ((EPNum & 0x0F) << 2) | CTRL_RD_EN; |
| frank26080115 | 0:bf7b9fba3924 | 418 | |
| frank26080115 | 0:bf7b9fba3924 | 419 | do { |
| frank26080115 | 0:bf7b9fba3924 | 420 | cnt = LPC_USB->USBRxPLen; |
| frank26080115 | 0:bf7b9fba3924 | 421 | } while ((cnt & PKT_RDY) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 422 | cnt &= PKT_LNGTH_MASK; |
| frank26080115 | 0:bf7b9fba3924 | 423 | |
| frank26080115 | 0:bf7b9fba3924 | 424 | for (n = 0; n < (cnt + 3) / 4; n++) { |
| frank26080115 | 0:bf7b9fba3924 | 425 | *((__packed uint32_t *)pData) = LPC_USB->USBRxData; |
| frank26080115 | 0:bf7b9fba3924 | 426 | pData += 4; |
| frank26080115 | 0:bf7b9fba3924 | 427 | } |
| frank26080115 | 0:bf7b9fba3924 | 428 | LPC_USB->USBCtrl = 0; |
| frank26080115 | 0:bf7b9fba3924 | 429 | |
| frank26080115 | 0:bf7b9fba3924 | 430 | if (((EP_MSK_ISO >> EPNum) & 1) == 0) { /* Non-Isochronous Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 431 | WrCmdEP(EPNum, CMD_CLR_BUF); |
| frank26080115 | 0:bf7b9fba3924 | 432 | } |
| frank26080115 | 0:bf7b9fba3924 | 433 | |
| frank26080115 | 0:bf7b9fba3924 | 434 | return (cnt); |
| frank26080115 | 0:bf7b9fba3924 | 435 | } |
| frank26080115 | 0:bf7b9fba3924 | 436 | |
| frank26080115 | 0:bf7b9fba3924 | 437 | |
| frank26080115 | 0:bf7b9fba3924 | 438 | /* |
| frank26080115 | 0:bf7b9fba3924 | 439 | * Write USB Endpoint Data |
| frank26080115 | 0:bf7b9fba3924 | 440 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 441 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 442 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 443 | * pData: Pointer to Data Buffer |
| frank26080115 | 0:bf7b9fba3924 | 444 | * cnt: Number of bytes to write |
| frank26080115 | 0:bf7b9fba3924 | 445 | * Return Value: Number of bytes written |
| frank26080115 | 0:bf7b9fba3924 | 446 | */ |
| frank26080115 | 0:bf7b9fba3924 | 447 | |
| frank26080115 | 0:bf7b9fba3924 | 448 | uint32_t USB_WriteEP (uint32_t EPNum, uint8_t *pData, uint32_t cnt) { |
| frank26080115 | 0:bf7b9fba3924 | 449 | uint32_t n; |
| frank26080115 | 0:bf7b9fba3924 | 450 | |
| frank26080115 | 0:bf7b9fba3924 | 451 | LPC_USB->USBCtrl = ((EPNum & 0x0F) << 2) | CTRL_WR_EN; |
| frank26080115 | 0:bf7b9fba3924 | 452 | |
| frank26080115 | 0:bf7b9fba3924 | 453 | LPC_USB->USBTxPLen = cnt; |
| frank26080115 | 0:bf7b9fba3924 | 454 | |
| frank26080115 | 0:bf7b9fba3924 | 455 | for (n = 0; n < (cnt + 3) / 4; n++) { |
| frank26080115 | 0:bf7b9fba3924 | 456 | LPC_USB->USBTxData = *((__packed uint32_t *)pData); |
| frank26080115 | 0:bf7b9fba3924 | 457 | pData += 4; |
| frank26080115 | 0:bf7b9fba3924 | 458 | } |
| frank26080115 | 0:bf7b9fba3924 | 459 | LPC_USB->USBCtrl = 0; |
| frank26080115 | 0:bf7b9fba3924 | 460 | WrCmdEP(EPNum, CMD_VALID_BUF); |
| frank26080115 | 0:bf7b9fba3924 | 461 | return (cnt); |
| frank26080115 | 0:bf7b9fba3924 | 462 | } |
| frank26080115 | 0:bf7b9fba3924 | 463 | |
| frank26080115 | 0:bf7b9fba3924 | 464 | #if USB_DMA |
| frank26080115 | 0:bf7b9fba3924 | 465 | |
| frank26080115 | 0:bf7b9fba3924 | 466 | /* DMA Descriptor Memory Layout */ |
| frank26080115 | 0:bf7b9fba3924 | 467 | const uint32_t DDAdr[2] = { DD_NISO_ADR, DD_ISO_ADR }; |
| frank26080115 | 0:bf7b9fba3924 | 468 | const uint32_t DDSz [2] = { 16, 20 }; |
| frank26080115 | 0:bf7b9fba3924 | 469 | |
| frank26080115 | 0:bf7b9fba3924 | 470 | |
| frank26080115 | 0:bf7b9fba3924 | 471 | /* |
| frank26080115 | 0:bf7b9fba3924 | 472 | * Setup USB DMA Transfer for selected Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 473 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 474 | * pDD: Pointer to DMA Descriptor |
| frank26080115 | 0:bf7b9fba3924 | 475 | * Return Value: TRUE - Success, FALSE - Error |
| frank26080115 | 0:bf7b9fba3924 | 476 | */ |
| frank26080115 | 0:bf7b9fba3924 | 477 | |
| frank26080115 | 0:bf7b9fba3924 | 478 | uint32_t USB_DMA_Setup(uint32_t EPNum, USB_DMA_DESCRIPTOR *pDD) { |
| frank26080115 | 0:bf7b9fba3924 | 479 | uint32_t num, ptr, nxt, iso, n; |
| frank26080115 | 0:bf7b9fba3924 | 480 | |
| frank26080115 | 0:bf7b9fba3924 | 481 | iso = pDD->Cfg.Type.IsoEP; /* Iso or Non-Iso Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 482 | num = EPAdr(EPNum); /* Endpoint's Physical Address */ |
| frank26080115 | 0:bf7b9fba3924 | 483 | |
| frank26080115 | 0:bf7b9fba3924 | 484 | ptr = 0; /* Current Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 485 | nxt = udca[num]; /* Initial Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 486 | while (nxt) { /* Go through Descriptor List */ |
| frank26080115 | 0:bf7b9fba3924 | 487 | ptr = nxt; /* Current Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 488 | if (!pDD->Cfg.Type.Link) { /* Check for Linked Descriptors */ |
| frank26080115 | 0:bf7b9fba3924 | 489 | n = (ptr - DDAdr[iso]) / DDSz[iso]; /* Descriptor Index */ |
| frank26080115 | 0:bf7b9fba3924 | 490 | DDMemMap[iso] &= ~(1 << n); /* Unmark Memory Usage */ |
| frank26080115 | 0:bf7b9fba3924 | 491 | } |
| frank26080115 | 0:bf7b9fba3924 | 492 | nxt = *((uint32_t *)ptr); /* Next Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 493 | } |
| frank26080115 | 0:bf7b9fba3924 | 494 | |
| frank26080115 | 0:bf7b9fba3924 | 495 | for (n = 0; n < 32; n++) { /* Search for available Memory */ |
| frank26080115 | 0:bf7b9fba3924 | 496 | if ((DDMemMap[iso] & (1 << n)) == 0) { |
| frank26080115 | 0:bf7b9fba3924 | 497 | break; /* Memory found */ |
| frank26080115 | 0:bf7b9fba3924 | 498 | } |
| frank26080115 | 0:bf7b9fba3924 | 499 | } |
| frank26080115 | 0:bf7b9fba3924 | 500 | if (n == 32) return (FALSE); /* Memory not available */ |
| frank26080115 | 0:bf7b9fba3924 | 501 | |
| frank26080115 | 0:bf7b9fba3924 | 502 | DDMemMap[iso] |= 1 << n; /* Mark Memory Usage */ |
| frank26080115 | 0:bf7b9fba3924 | 503 | nxt = DDAdr[iso] + n * DDSz[iso]; /* Next Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 504 | |
| frank26080115 | 0:bf7b9fba3924 | 505 | if (ptr && pDD->Cfg.Type.Link) { |
| frank26080115 | 0:bf7b9fba3924 | 506 | *((uint32_t *)(ptr + 0)) = nxt; /* Link in new Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 507 | *((uint32_t *)(ptr + 4)) |= 0x00000004; /* Next DD is Valid */ |
| frank26080115 | 0:bf7b9fba3924 | 508 | } else { |
| frank26080115 | 0:bf7b9fba3924 | 509 | udca[num] = nxt; /* Save new Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 510 | UDCA[num] = nxt; /* Update UDCA in USB */ |
| frank26080115 | 0:bf7b9fba3924 | 511 | } |
| frank26080115 | 0:bf7b9fba3924 | 512 | |
| frank26080115 | 0:bf7b9fba3924 | 513 | /* Fill in DMA Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 514 | *(((uint32_t *)nxt)++) = 0; /* Next DD Pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 515 | *(((uint32_t *)nxt)++) = pDD->Cfg.Type.ATLE | |
| frank26080115 | 0:bf7b9fba3924 | 516 | (pDD->Cfg.Type.IsoEP << 4) | |
| frank26080115 | 0:bf7b9fba3924 | 517 | (pDD->MaxSize << 5) | |
| frank26080115 | 0:bf7b9fba3924 | 518 | (pDD->BufLen << 16); |
| frank26080115 | 0:bf7b9fba3924 | 519 | *(((uint32_t *)nxt)++) = pDD->BufAdr; |
| frank26080115 | 0:bf7b9fba3924 | 520 | *(((uint32_t *)nxt)++) = pDD->Cfg.Type.LenPos << 8; |
| frank26080115 | 0:bf7b9fba3924 | 521 | if (iso) { |
| frank26080115 | 0:bf7b9fba3924 | 522 | *((uint32_t *)nxt) = pDD->InfoAdr; |
| frank26080115 | 0:bf7b9fba3924 | 523 | } |
| frank26080115 | 0:bf7b9fba3924 | 524 | |
| frank26080115 | 0:bf7b9fba3924 | 525 | return (TRUE); /* Success */ |
| frank26080115 | 0:bf7b9fba3924 | 526 | } |
| frank26080115 | 0:bf7b9fba3924 | 527 | |
| frank26080115 | 0:bf7b9fba3924 | 528 | |
| frank26080115 | 0:bf7b9fba3924 | 529 | /* |
| frank26080115 | 0:bf7b9fba3924 | 530 | * Enable USB DMA Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 531 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 532 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 533 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 534 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 535 | */ |
| frank26080115 | 0:bf7b9fba3924 | 536 | |
| frank26080115 | 0:bf7b9fba3924 | 537 | void USB_DMA_Enable (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 538 | LPC_USB->USBEpDMAEn = 1 << EPAdr(EPNum); |
| frank26080115 | 0:bf7b9fba3924 | 539 | } |
| frank26080115 | 0:bf7b9fba3924 | 540 | |
| frank26080115 | 0:bf7b9fba3924 | 541 | |
| frank26080115 | 0:bf7b9fba3924 | 542 | /* |
| frank26080115 | 0:bf7b9fba3924 | 543 | * Disable USB DMA Endpoint |
| frank26080115 | 0:bf7b9fba3924 | 544 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 545 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 546 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 547 | * Return Value: None |
| frank26080115 | 0:bf7b9fba3924 | 548 | */ |
| frank26080115 | 0:bf7b9fba3924 | 549 | |
| frank26080115 | 0:bf7b9fba3924 | 550 | void USB_DMA_Disable (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 551 | LPC_USB->USBEpDMADis = 1 << EPAdr(EPNum); |
| frank26080115 | 0:bf7b9fba3924 | 552 | } |
| frank26080115 | 0:bf7b9fba3924 | 553 | |
| frank26080115 | 0:bf7b9fba3924 | 554 | |
| frank26080115 | 0:bf7b9fba3924 | 555 | /* |
| frank26080115 | 0:bf7b9fba3924 | 556 | * Get USB DMA Endpoint Status |
| frank26080115 | 0:bf7b9fba3924 | 557 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 558 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 559 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 560 | * Return Value: DMA Status |
| frank26080115 | 0:bf7b9fba3924 | 561 | */ |
| frank26080115 | 0:bf7b9fba3924 | 562 | |
| frank26080115 | 0:bf7b9fba3924 | 563 | uint32_t USB_DMA_Status (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 564 | uint32_t ptr, val; |
| frank26080115 | 0:bf7b9fba3924 | 565 | |
| frank26080115 | 0:bf7b9fba3924 | 566 | ptr = UDCA[EPAdr(EPNum)]; /* Current Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 567 | if (ptr == 0) |
| frank26080115 | 0:bf7b9fba3924 | 568 | return (USB_DMA_INVALID); |
| frank26080115 | 0:bf7b9fba3924 | 569 | |
| frank26080115 | 0:bf7b9fba3924 | 570 | val = *((uint32_t *)(ptr + 3*4)); /* Status Information */ |
| frank26080115 | 0:bf7b9fba3924 | 571 | switch ((val >> 1) & 0x0F) { |
| frank26080115 | 0:bf7b9fba3924 | 572 | case 0x00: /* Not serviced */ |
| frank26080115 | 0:bf7b9fba3924 | 573 | return (USB_DMA_IDLE); |
| frank26080115 | 0:bf7b9fba3924 | 574 | case 0x01: /* Being serviced */ |
| frank26080115 | 0:bf7b9fba3924 | 575 | return (USB_DMA_BUSY); |
| frank26080115 | 0:bf7b9fba3924 | 576 | case 0x02: /* Normal Completition */ |
| frank26080115 | 0:bf7b9fba3924 | 577 | return (USB_DMA_DONE); |
| frank26080115 | 0:bf7b9fba3924 | 578 | case 0x03: /* Data Under Run */ |
| frank26080115 | 0:bf7b9fba3924 | 579 | return (USB_DMA_UNDER_RUN); |
| frank26080115 | 0:bf7b9fba3924 | 580 | case 0x08: /* Data Over Run */ |
| frank26080115 | 0:bf7b9fba3924 | 581 | return (USB_DMA_OVER_RUN); |
| frank26080115 | 0:bf7b9fba3924 | 582 | case 0x09: /* System Error */ |
| frank26080115 | 0:bf7b9fba3924 | 583 | return (USB_DMA_ERROR); |
| frank26080115 | 0:bf7b9fba3924 | 584 | } |
| frank26080115 | 0:bf7b9fba3924 | 585 | |
| frank26080115 | 0:bf7b9fba3924 | 586 | return (USB_DMA_UNKNOWN); |
| frank26080115 | 0:bf7b9fba3924 | 587 | } |
| frank26080115 | 0:bf7b9fba3924 | 588 | |
| frank26080115 | 0:bf7b9fba3924 | 589 | |
| frank26080115 | 0:bf7b9fba3924 | 590 | /* |
| frank26080115 | 0:bf7b9fba3924 | 591 | * Get USB DMA Endpoint Current Buffer Address |
| frank26080115 | 0:bf7b9fba3924 | 592 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 593 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 594 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 595 | * Return Value: DMA Address (or -1 when DMA is Invalid) |
| frank26080115 | 0:bf7b9fba3924 | 596 | */ |
| frank26080115 | 0:bf7b9fba3924 | 597 | |
| frank26080115 | 0:bf7b9fba3924 | 598 | uint32_t USB_DMA_BufAdr (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 599 | uint32_t ptr, val; |
| frank26080115 | 0:bf7b9fba3924 | 600 | |
| frank26080115 | 0:bf7b9fba3924 | 601 | ptr = UDCA[EPAdr(EPNum)]; /* Current Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 602 | if (ptr == 0) |
| frank26080115 | 0:bf7b9fba3924 | 603 | { |
| frank26080115 | 0:bf7b9fba3924 | 604 | return ((uint32_t)(-1)); /* DMA Invalid */ |
| frank26080115 | 0:bf7b9fba3924 | 605 | } |
| frank26080115 | 0:bf7b9fba3924 | 606 | |
| frank26080115 | 0:bf7b9fba3924 | 607 | val = *((uint32_t *)(ptr + 2*4)); /* Buffer Address */ |
| frank26080115 | 0:bf7b9fba3924 | 608 | return (val); /* Current Address */ |
| frank26080115 | 0:bf7b9fba3924 | 609 | } |
| frank26080115 | 0:bf7b9fba3924 | 610 | |
| frank26080115 | 0:bf7b9fba3924 | 611 | |
| frank26080115 | 0:bf7b9fba3924 | 612 | /* |
| frank26080115 | 0:bf7b9fba3924 | 613 | * Get USB DMA Endpoint Current Buffer Count |
| frank26080115 | 0:bf7b9fba3924 | 614 | * Number of transfered Bytes or Iso Packets |
| frank26080115 | 0:bf7b9fba3924 | 615 | * Parameters: EPNum: Endpoint Number |
| frank26080115 | 0:bf7b9fba3924 | 616 | * EPNum.0..3: Address |
| frank26080115 | 0:bf7b9fba3924 | 617 | * EPNum.7: Dir |
| frank26080115 | 0:bf7b9fba3924 | 618 | * Return Value: DMA Count (or -1 when DMA is Invalid) |
| frank26080115 | 0:bf7b9fba3924 | 619 | */ |
| frank26080115 | 0:bf7b9fba3924 | 620 | |
| frank26080115 | 0:bf7b9fba3924 | 621 | uint32_t USB_DMA_BufCnt (uint32_t EPNum) { |
| frank26080115 | 0:bf7b9fba3924 | 622 | uint32_t ptr, val; |
| frank26080115 | 0:bf7b9fba3924 | 623 | |
| frank26080115 | 0:bf7b9fba3924 | 624 | ptr = UDCA[EPAdr(EPNum)]; /* Current Descriptor */ |
| frank26080115 | 0:bf7b9fba3924 | 625 | if (ptr == 0) |
| frank26080115 | 0:bf7b9fba3924 | 626 | { |
| frank26080115 | 0:bf7b9fba3924 | 627 | return ((uint32_t)(-1)); /* DMA Invalid */ |
| frank26080115 | 0:bf7b9fba3924 | 628 | } |
| frank26080115 | 0:bf7b9fba3924 | 629 | val = *((uint32_t *)(ptr + 3*4)); /* Status Information */ |
| frank26080115 | 0:bf7b9fba3924 | 630 | return (val >> 16); /* Current Count */ |
| frank26080115 | 0:bf7b9fba3924 | 631 | } |
| frank26080115 | 0:bf7b9fba3924 | 632 | |
| frank26080115 | 0:bf7b9fba3924 | 633 | |
| frank26080115 | 0:bf7b9fba3924 | 634 | #endif /* USB_DMA */ |
| frank26080115 | 0:bf7b9fba3924 | 635 | |
| frank26080115 | 0:bf7b9fba3924 | 636 | |
| frank26080115 | 0:bf7b9fba3924 | 637 | /* |
| frank26080115 | 0:bf7b9fba3924 | 638 | * Get USB Last Frame Number |
| frank26080115 | 0:bf7b9fba3924 | 639 | * Parameters: None |
| frank26080115 | 0:bf7b9fba3924 | 640 | * Return Value: Frame Number |
| frank26080115 | 0:bf7b9fba3924 | 641 | */ |
| frank26080115 | 0:bf7b9fba3924 | 642 | |
| frank26080115 | 0:bf7b9fba3924 | 643 | uint32_t USB_GetFrame (void) { |
| frank26080115 | 0:bf7b9fba3924 | 644 | uint32_t val; |
| frank26080115 | 0:bf7b9fba3924 | 645 | |
| frank26080115 | 0:bf7b9fba3924 | 646 | WrCmd(CMD_RD_FRAME); |
| frank26080115 | 0:bf7b9fba3924 | 647 | val = RdCmdDat(DAT_RD_FRAME); |
| frank26080115 | 0:bf7b9fba3924 | 648 | val = val | (RdCmdDat(DAT_RD_FRAME) << 8); |
| frank26080115 | 0:bf7b9fba3924 | 649 | |
| frank26080115 | 0:bf7b9fba3924 | 650 | return (val); |
| frank26080115 | 0:bf7b9fba3924 | 651 | } |
| frank26080115 | 0:bf7b9fba3924 | 652 | |
| frank26080115 | 0:bf7b9fba3924 | 653 | |
| frank26080115 | 0:bf7b9fba3924 | 654 | /* |
| frank26080115 | 0:bf7b9fba3924 | 655 | * USB Interrupt Service Routine |
| frank26080115 | 0:bf7b9fba3924 | 656 | */ |
| frank26080115 | 0:bf7b9fba3924 | 657 | |
| frank26080115 | 0:bf7b9fba3924 | 658 | void USB_IRQHandler (void) { |
| frank26080115 | 0:bf7b9fba3924 | 659 | uint32_t disr, val, n, m; |
| frank26080115 | 0:bf7b9fba3924 | 660 | uint32_t episr, episrCur; |
| frank26080115 | 0:bf7b9fba3924 | 661 | |
| frank26080115 | 0:bf7b9fba3924 | 662 | disr = LPC_USB->USBDevIntSt; /* Device Interrupt Status */ |
| frank26080115 | 0:bf7b9fba3924 | 663 | |
| frank26080115 | 0:bf7b9fba3924 | 664 | /* Device Status Interrupt (Reset, Connect change, Suspend/Resume) */ |
| frank26080115 | 0:bf7b9fba3924 | 665 | if (disr & DEV_STAT_INT) { |
| frank26080115 | 0:bf7b9fba3924 | 666 | LPC_USB->USBDevIntClr = DEV_STAT_INT; |
| frank26080115 | 0:bf7b9fba3924 | 667 | WrCmd(CMD_GET_DEV_STAT); |
| frank26080115 | 0:bf7b9fba3924 | 668 | val = RdCmdDat(DAT_GET_DEV_STAT); /* Device Status */ |
| frank26080115 | 0:bf7b9fba3924 | 669 | if (val & DEV_RST) { /* Reset */ |
| frank26080115 | 0:bf7b9fba3924 | 670 | USB_Reset(); |
| frank26080115 | 0:bf7b9fba3924 | 671 | #if USB_RESET_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 672 | USB_Reset_Event(); |
| frank26080115 | 0:bf7b9fba3924 | 673 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 674 | } |
| frank26080115 | 0:bf7b9fba3924 | 675 | if (val & DEV_CON_CH) { /* Connect change */ |
| frank26080115 | 0:bf7b9fba3924 | 676 | #if USB_POWER_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 677 | USB_Power_Event(val & DEV_CON); |
| frank26080115 | 0:bf7b9fba3924 | 678 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 679 | } |
| frank26080115 | 0:bf7b9fba3924 | 680 | if (val & DEV_SUS_CH) { /* Suspend/Resume */ |
| frank26080115 | 0:bf7b9fba3924 | 681 | if (val & DEV_SUS) { /* Suspend */ |
| frank26080115 | 0:bf7b9fba3924 | 682 | USB_Suspend(); |
| frank26080115 | 0:bf7b9fba3924 | 683 | #if USB_SUSPEND_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 684 | USB_Suspend_Event(); |
| frank26080115 | 0:bf7b9fba3924 | 685 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 686 | } else { /* Resume */ |
| frank26080115 | 0:bf7b9fba3924 | 687 | USB_Resume(); |
| frank26080115 | 0:bf7b9fba3924 | 688 | #if USB_RESUME_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 689 | USB_Resume_Event(); |
| frank26080115 | 0:bf7b9fba3924 | 690 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 691 | } |
| frank26080115 | 0:bf7b9fba3924 | 692 | } |
| frank26080115 | 0:bf7b9fba3924 | 693 | goto isr_end; |
| frank26080115 | 0:bf7b9fba3924 | 694 | } |
| frank26080115 | 0:bf7b9fba3924 | 695 | |
| frank26080115 | 0:bf7b9fba3924 | 696 | #if USB_SOF_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 697 | /* Start of Frame Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 698 | if (disr & FRAME_INT) { |
| frank26080115 | 0:bf7b9fba3924 | 699 | USB_SOF_Event(); |
| frank26080115 | 0:bf7b9fba3924 | 700 | } |
| frank26080115 | 0:bf7b9fba3924 | 701 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 702 | |
| frank26080115 | 0:bf7b9fba3924 | 703 | #if USB_ERROR_EVENT |
| frank26080115 | 0:bf7b9fba3924 | 704 | /* Error Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 705 | if (disr & ERR_INT) { |
| frank26080115 | 0:bf7b9fba3924 | 706 | WrCmd(CMD_RD_ERR_STAT); |
| frank26080115 | 0:bf7b9fba3924 | 707 | val = RdCmdDat(DAT_RD_ERR_STAT); |
| frank26080115 | 0:bf7b9fba3924 | 708 | USB_Error_Event(val); |
| frank26080115 | 0:bf7b9fba3924 | 709 | } |
| frank26080115 | 0:bf7b9fba3924 | 710 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 711 | |
| frank26080115 | 0:bf7b9fba3924 | 712 | /* Endpoint's Slow Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 713 | if (disr & EP_SLOW_INT) { |
| frank26080115 | 0:bf7b9fba3924 | 714 | episrCur = 0; |
| frank26080115 | 0:bf7b9fba3924 | 715 | episr = LPC_USB->USBEpIntSt; |
| frank26080115 | 0:bf7b9fba3924 | 716 | for (n = 0; n < USB_EP_NUM; n++) { /* Check All Endpoints */ |
| frank26080115 | 0:bf7b9fba3924 | 717 | if (episr == episrCur) break; /* break if all EP interrupts handled */ |
| frank26080115 | 0:bf7b9fba3924 | 718 | if (episr & (1 << n)) { |
| frank26080115 | 0:bf7b9fba3924 | 719 | episrCur |= (1 << n); |
| frank26080115 | 0:bf7b9fba3924 | 720 | m = n >> 1; |
| frank26080115 | 0:bf7b9fba3924 | 721 | |
| frank26080115 | 0:bf7b9fba3924 | 722 | LPC_USB->USBEpIntClr = (1 << n); |
| frank26080115 | 0:bf7b9fba3924 | 723 | while ((LPC_USB->USBDevIntSt & CDFULL_INT) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 724 | val = LPC_USB->USBCmdData; |
| frank26080115 | 0:bf7b9fba3924 | 725 | |
| frank26080115 | 0:bf7b9fba3924 | 726 | if ((n & 1) == 0) { /* OUT Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 727 | if (n == 0) { /* Control OUT Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 728 | if (val & EP_SEL_STP) { /* Setup Packet */ |
| frank26080115 | 0:bf7b9fba3924 | 729 | if (USB_P_EP[0]) { |
| frank26080115 | 0:bf7b9fba3924 | 730 | USB_P_EP[0](USB_EVT_SETUP); |
| frank26080115 | 0:bf7b9fba3924 | 731 | continue; |
| frank26080115 | 0:bf7b9fba3924 | 732 | } |
| frank26080115 | 0:bf7b9fba3924 | 733 | } |
| frank26080115 | 0:bf7b9fba3924 | 734 | } |
| frank26080115 | 0:bf7b9fba3924 | 735 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 736 | USB_P_EP[m](USB_EVT_OUT); |
| frank26080115 | 0:bf7b9fba3924 | 737 | } |
| frank26080115 | 0:bf7b9fba3924 | 738 | } else { /* IN Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 739 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 740 | USB_P_EP[m](USB_EVT_IN); |
| frank26080115 | 0:bf7b9fba3924 | 741 | } |
| frank26080115 | 0:bf7b9fba3924 | 742 | } |
| frank26080115 | 0:bf7b9fba3924 | 743 | } |
| frank26080115 | 0:bf7b9fba3924 | 744 | } |
| frank26080115 | 0:bf7b9fba3924 | 745 | LPC_USB->USBDevIntClr = EP_SLOW_INT; |
| frank26080115 | 0:bf7b9fba3924 | 746 | } |
| frank26080115 | 0:bf7b9fba3924 | 747 | |
| frank26080115 | 0:bf7b9fba3924 | 748 | #if USB_DMA |
| frank26080115 | 0:bf7b9fba3924 | 749 | |
| frank26080115 | 0:bf7b9fba3924 | 750 | if (LPC_USB->USBDMAIntSt & 0x00000001) { /* End of Transfer Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 751 | val = LPC_USB->USBEoTIntSt; |
| frank26080115 | 0:bf7b9fba3924 | 752 | for (n = 2; n < USB_EP_NUM; n++) { /* Check All Endpoints */ |
| frank26080115 | 0:bf7b9fba3924 | 753 | if (val & (1 << n)) { |
| frank26080115 | 0:bf7b9fba3924 | 754 | m = n >> 1; |
| frank26080115 | 0:bf7b9fba3924 | 755 | if ((n & 1) == 0) { /* OUT Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 756 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 757 | USB_P_EP[m](USB_EVT_OUT_DMA_EOT); |
| frank26080115 | 0:bf7b9fba3924 | 758 | } |
| frank26080115 | 0:bf7b9fba3924 | 759 | } else { /* IN Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 760 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 761 | USB_P_EP[m](USB_EVT_IN_DMA_EOT); |
| frank26080115 | 0:bf7b9fba3924 | 762 | } |
| frank26080115 | 0:bf7b9fba3924 | 763 | } |
| frank26080115 | 0:bf7b9fba3924 | 764 | } |
| frank26080115 | 0:bf7b9fba3924 | 765 | } |
| frank26080115 | 0:bf7b9fba3924 | 766 | LPC_USB->USBEoTIntClr = val; |
| frank26080115 | 0:bf7b9fba3924 | 767 | } |
| frank26080115 | 0:bf7b9fba3924 | 768 | |
| frank26080115 | 0:bf7b9fba3924 | 769 | if (LPC_USB->USBDMAIntSt & 0x00000002) { /* New DD Request Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 770 | val = LPC_USB->USBNDDRIntSt; |
| frank26080115 | 0:bf7b9fba3924 | 771 | for (n = 2; n < USB_EP_NUM; n++) { /* Check All Endpoints */ |
| frank26080115 | 0:bf7b9fba3924 | 772 | if (val & (1 << n)) { |
| frank26080115 | 0:bf7b9fba3924 | 773 | m = n >> 1; |
| frank26080115 | 0:bf7b9fba3924 | 774 | if ((n & 1) == 0) { /* OUT Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 775 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 776 | USB_P_EP[m](USB_EVT_OUT_DMA_NDR); |
| frank26080115 | 0:bf7b9fba3924 | 777 | } |
| frank26080115 | 0:bf7b9fba3924 | 778 | } else { /* IN Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 779 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 780 | USB_P_EP[m](USB_EVT_IN_DMA_NDR); |
| frank26080115 | 0:bf7b9fba3924 | 781 | } |
| frank26080115 | 0:bf7b9fba3924 | 782 | } |
| frank26080115 | 0:bf7b9fba3924 | 783 | } |
| frank26080115 | 0:bf7b9fba3924 | 784 | } |
| frank26080115 | 0:bf7b9fba3924 | 785 | LPC_USB->USBNDDRIntClr = val; |
| frank26080115 | 0:bf7b9fba3924 | 786 | } |
| frank26080115 | 0:bf7b9fba3924 | 787 | |
| frank26080115 | 0:bf7b9fba3924 | 788 | if (LPC_USB->USBDMAIntSt & 0x00000004) { /* System Error Interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 789 | val = LPC_USB->USBSysErrIntSt; |
| frank26080115 | 0:bf7b9fba3924 | 790 | for (n = 2; n < USB_EP_NUM; n++) { /* Check All Endpoints */ |
| frank26080115 | 0:bf7b9fba3924 | 791 | if (val & (1 << n)) { |
| frank26080115 | 0:bf7b9fba3924 | 792 | m = n >> 1; |
| frank26080115 | 0:bf7b9fba3924 | 793 | if ((n & 1) == 0) { /* OUT Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 794 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 795 | USB_P_EP[m](USB_EVT_OUT_DMA_ERR); |
| frank26080115 | 0:bf7b9fba3924 | 796 | } |
| frank26080115 | 0:bf7b9fba3924 | 797 | } else { /* IN Endpoint */ |
| frank26080115 | 0:bf7b9fba3924 | 798 | if (USB_P_EP[m]) { |
| frank26080115 | 0:bf7b9fba3924 | 799 | USB_P_EP[m](USB_EVT_IN_DMA_ERR); |
| frank26080115 | 0:bf7b9fba3924 | 800 | } |
| frank26080115 | 0:bf7b9fba3924 | 801 | } |
| frank26080115 | 0:bf7b9fba3924 | 802 | } |
| frank26080115 | 0:bf7b9fba3924 | 803 | } |
| frank26080115 | 0:bf7b9fba3924 | 804 | LPC_USB->USBSysErrIntClr = val; |
| frank26080115 | 0:bf7b9fba3924 | 805 | } |
| frank26080115 | 0:bf7b9fba3924 | 806 | |
| frank26080115 | 0:bf7b9fba3924 | 807 | #endif /* USB_DMA */ |
| frank26080115 | 0:bf7b9fba3924 | 808 | |
| frank26080115 | 0:bf7b9fba3924 | 809 | isr_end: |
| frank26080115 | 0:bf7b9fba3924 | 810 | return; |
| frank26080115 | 0:bf7b9fba3924 | 811 | } |