Luke is a pseudonym
USB device stack that isn't working
Fork of
USBDevice
by 
mbed official
targets/TARGET_Silicon_Labs/src/em_usbdint.c@73:6fb59df5258d, 2018-01-13 (annotated)
- Committer:
- lukeoftheaura
- Date:
- Sat Jan 13 20:10:33 2018 +0000
- Revision:
- 73:6fb59df5258d
- Parent:
- 71:53949e6131f6
]]]]]]]]]]]]]]]]]]]]]]]]]]; ;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Kojto | 71:53949e6131f6 | 1 | /**************************************************************************//** |
| Kojto | 71:53949e6131f6 | 2 | * @file em_usbdint.c |
| Kojto | 71:53949e6131f6 | 3 | * @brief USB protocol stack library, USB device peripheral interrupt handlers. |
| Kojto | 71:53949e6131f6 | 4 | * @version 3.20.14 |
| Kojto | 71:53949e6131f6 | 5 | ****************************************************************************** |
| Kojto | 71:53949e6131f6 | 6 | * @section License |
| Kojto | 71:53949e6131f6 | 7 | * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b> |
| Kojto | 71:53949e6131f6 | 8 | ******************************************************************************* |
| Kojto | 71:53949e6131f6 | 9 | * |
| Kojto | 71:53949e6131f6 | 10 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| Kojto | 71:53949e6131f6 | 11 | * you may not use this file except in compliance with the License. |
| Kojto | 71:53949e6131f6 | 12 | * You may obtain a copy of the License at |
| Kojto | 71:53949e6131f6 | 13 | * |
| Kojto | 71:53949e6131f6 | 14 | * http://www.apache.org/licenses/LICENSE-2.0 |
| Kojto | 71:53949e6131f6 | 15 | * |
| Kojto | 71:53949e6131f6 | 16 | * Unless required by applicable law or agreed to in writing, software |
| Kojto | 71:53949e6131f6 | 17 | * distributed under the License is distributed on an "AS IS" BASIS, |
| Kojto | 71:53949e6131f6 | 18 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| Kojto | 71:53949e6131f6 | 19 | * See the License for the specific language governing permissions and |
| Kojto | 71:53949e6131f6 | 20 | * limitations under the License. |
| Kojto | 71:53949e6131f6 | 21 | * |
| Kojto | 71:53949e6131f6 | 22 | ******************************************************************************/ |
| Kojto | 71:53949e6131f6 | 23 | |
| Kojto | 71:53949e6131f6 | 24 | #include "em_device.h" |
| Kojto | 71:53949e6131f6 | 25 | #if defined( USB_PRESENT ) && ( USB_COUNT == 1 ) |
| Kojto | 71:53949e6131f6 | 26 | #include "em_usb.h" |
| Kojto | 71:53949e6131f6 | 27 | #if defined( USB_DEVICE ) |
| Kojto | 71:53949e6131f6 | 28 | |
| Kojto | 71:53949e6131f6 | 29 | #include "em_cmu.h" |
| Kojto | 71:53949e6131f6 | 30 | #include "em_usbtypes.h" |
| Kojto | 71:53949e6131f6 | 31 | #include "em_usbhal.h" |
| Kojto | 71:53949e6131f6 | 32 | #include "em_usbd.h" |
| Kojto | 71:53949e6131f6 | 33 | |
| Kojto | 71:53949e6131f6 | 34 | #ifdef __MBED__ |
| Kojto | 71:53949e6131f6 | 35 | extern void usbhal_allow_em2(bool em2_allow); |
| Kojto | 71:53949e6131f6 | 36 | #endif |
| Kojto | 71:53949e6131f6 | 37 | |
| Kojto | 71:53949e6131f6 | 38 | /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */ |
| Kojto | 71:53949e6131f6 | 39 | |
| Kojto | 71:53949e6131f6 | 40 | #define HANDLE_INT( x ) if ( status & x ) { Handle_##x(); status &= ~x; } |
| Kojto | 71:53949e6131f6 | 41 | |
| Kojto | 71:53949e6131f6 | 42 | static void Handle_USB_GINTSTS_ENUMDONE ( void ); |
| Kojto | 71:53949e6131f6 | 43 | static void Handle_USB_GINTSTS_IEPINT ( void ); |
| Kojto | 71:53949e6131f6 | 44 | static void Handle_USB_GINTSTS_OEPINT ( void ); |
| Kojto | 71:53949e6131f6 | 45 | static void Handle_USB_GINTSTS_RESETDET ( void ); |
| Kojto | 71:53949e6131f6 | 46 | static void Handle_USB_GINTSTS_SOF ( void ); |
| Kojto | 71:53949e6131f6 | 47 | static void Handle_USB_GINTSTS_USBRST ( void ); |
| Kojto | 71:53949e6131f6 | 48 | static void Handle_USB_GINTSTS_USBSUSP ( void ); |
| Kojto | 71:53949e6131f6 | 49 | static void Handle_USB_GINTSTS_WKUPINT ( void ); |
| Kojto | 71:53949e6131f6 | 50 | #if defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 51 | static void HandleOutEpIntr( uint32_t status, USBD_Ep_TypeDef *ep ); |
| Kojto | 71:53949e6131f6 | 52 | #else |
| Kojto | 71:53949e6131f6 | 53 | static void ProcessSetup ( void ); |
| Kojto | 71:53949e6131f6 | 54 | static void ProcessOepData ( USBD_Ep_TypeDef *ep ); |
| Kojto | 71:53949e6131f6 | 55 | #endif |
| Kojto | 71:53949e6131f6 | 56 | |
| Kojto | 71:53949e6131f6 | 57 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 58 | /* Variables and prototypes for USB powerdown (suspend) functionality. */ |
| Kojto | 71:53949e6131f6 | 59 | static bool UsbPowerDown( void ); |
| Kojto | 71:53949e6131f6 | 60 | static bool UsbPowerUp( void ); |
| Kojto | 71:53949e6131f6 | 61 | |
| Kojto | 71:53949e6131f6 | 62 | volatile bool USBD_poweredDown = false; |
| Kojto | 71:53949e6131f6 | 63 | |
| Kojto | 71:53949e6131f6 | 64 | /* Storage for backing up USB core registers. */ |
| Kojto | 71:53949e6131f6 | 65 | static uint32_t x_USB_GINTMSK; |
| Kojto | 71:53949e6131f6 | 66 | #if defined(_USB_GOTGCTL_MASK) |
| Kojto | 71:53949e6131f6 | 67 | static uint32_t x_USB_GOTGCTL; |
| Kojto | 71:53949e6131f6 | 68 | #endif |
| Kojto | 71:53949e6131f6 | 69 | static uint32_t x_USB_GAHBCFG; |
| Kojto | 71:53949e6131f6 | 70 | static uint32_t x_USB_GUSBCFG; |
| Kojto | 71:53949e6131f6 | 71 | static uint32_t x_USB_GRXFSIZ; |
| Kojto | 71:53949e6131f6 | 72 | static uint32_t x_USB_GNPTXFSIZ; |
| Kojto | 71:53949e6131f6 | 73 | static uint32_t x_USB_DCFG; |
| Kojto | 71:53949e6131f6 | 74 | static uint32_t x_USB_DCTL; |
| Kojto | 71:53949e6131f6 | 75 | static uint32_t x_USB_DAINTMSK; |
| Kojto | 71:53949e6131f6 | 76 | static uint32_t x_USB_DIEPMSK; |
| Kojto | 71:53949e6131f6 | 77 | static uint32_t x_USB_DOEPMSK; |
| Kojto | 71:53949e6131f6 | 78 | static uint32_t x_USB_PCGCCTL; |
| Kojto | 71:53949e6131f6 | 79 | |
| Kojto | 71:53949e6131f6 | 80 | #if ( NUM_EP_USED > 0 ) |
| Kojto | 71:53949e6131f6 | 81 | static uint32_t x_USB_EP_CTL[ NUM_EP_USED ]; |
| Kojto | 71:53949e6131f6 | 82 | static uint32_t x_USB_EP_TSIZ[ NUM_EP_USED ]; |
| Kojto | 71:53949e6131f6 | 83 | static uint32_t x_USB_EP_DMAADDR[ NUM_EP_USED ]; |
| Kojto | 71:53949e6131f6 | 84 | #endif |
| Kojto | 71:53949e6131f6 | 85 | |
| Kojto | 71:53949e6131f6 | 86 | #if ( NUM_EP_USED > MAX_NUM_TX_FIFOS ) |
| Kojto | 71:53949e6131f6 | 87 | #define FIFO_CNT MAX_NUM_TX_FIFOS |
| Kojto | 71:53949e6131f6 | 88 | #else |
| Kojto | 71:53949e6131f6 | 89 | #define FIFO_CNT NUM_EP_USED |
| Kojto | 71:53949e6131f6 | 90 | #endif |
| Kojto | 71:53949e6131f6 | 91 | |
| Kojto | 71:53949e6131f6 | 92 | #if ( FIFO_CNT > 0 ) |
| Kojto | 71:53949e6131f6 | 93 | static uint32_t x_USB_DIEPTXFS[ FIFO_CNT ]; |
| Kojto | 71:53949e6131f6 | 94 | #endif |
| Kojto | 71:53949e6131f6 | 95 | |
| Kojto | 71:53949e6131f6 | 96 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 97 | static uint32_t cmuStatus = 0; |
| Kojto | 71:53949e6131f6 | 98 | #endif |
| Kojto | 71:53949e6131f6 | 99 | |
| Kojto | 71:53949e6131f6 | 100 | #endif /* if ( USB_PWRSAVE_MODE ) */ |
| Kojto | 71:53949e6131f6 | 101 | |
| Kojto | 71:53949e6131f6 | 102 | /* |
| Kojto | 71:53949e6131f6 | 103 | * USB_IRQHandler() is the first level handler for the USB peripheral interrupt. |
| Kojto | 71:53949e6131f6 | 104 | */ |
| Kojto | 71:53949e6131f6 | 105 | void USB_IRQHandler( void ) |
| Kojto | 71:53949e6131f6 | 106 | { |
| Kojto | 71:53949e6131f6 | 107 | uint32_t status; |
| Kojto | 71:53949e6131f6 | 108 | bool servedVbusInterrupt = false; |
| Kojto | 71:53949e6131f6 | 109 | |
| Kojto | 71:53949e6131f6 | 110 | INT_Disable(); |
| Kojto | 71:53949e6131f6 | 111 | |
| Kojto | 71:53949e6131f6 | 112 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 113 | if ( USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 114 | { |
| Kojto | 71:53949e6131f6 | 115 | /* Switch USBC clock from 32kHz to a 48MHz clock to be able to */ |
| Kojto | 71:53949e6131f6 | 116 | /* read USB peripheral registers. */ |
| Kojto | 71:53949e6131f6 | 117 | /* If we woke up from EM2, HFCLK is now HFRCO. */ |
| Kojto | 71:53949e6131f6 | 118 | |
| Kojto | 71:53949e6131f6 | 119 | /* Restore clock oscillators.*/ |
| Kojto | 71:53949e6131f6 | 120 | #if defined( CMU_OSCENCMD_USHFRCOEN ) |
| Kojto | 71:53949e6131f6 | 121 | if ( ( CMU->STATUS & CMU_STATUS_USHFRCOENS ) == 0 )/*Wakeup from EM2 ?*/ |
| Kojto | 71:53949e6131f6 | 122 | { |
| Kojto | 71:53949e6131f6 | 123 | CMU->OSCENCMD = ( cmuStatus |
| Kojto | 71:53949e6131f6 | 124 | & ( CMU_STATUS_AUXHFRCOENS | CMU_STATUS_HFXOENS ) ) |
| Kojto | 71:53949e6131f6 | 125 | | CMU_OSCENCMD_USHFRCOEN; |
| Kojto | 71:53949e6131f6 | 126 | } |
| Kojto | 71:53949e6131f6 | 127 | #else |
| Kojto | 71:53949e6131f6 | 128 | if ( ( CMU->STATUS & CMU_STATUS_HFXOENS ) == 0 ) /* Wakeup from EM2 ? */ |
| Kojto | 71:53949e6131f6 | 129 | { |
| Kojto | 71:53949e6131f6 | 130 | CMU->OSCENCMD = cmuStatus |
| Kojto | 71:53949e6131f6 | 131 | & ( CMU_STATUS_AUXHFRCOENS | CMU_STATUS_HFXOENS ); |
| Kojto | 71:53949e6131f6 | 132 | } |
| Kojto | 71:53949e6131f6 | 133 | #endif |
| Kojto | 71:53949e6131f6 | 134 | |
| Kojto | 71:53949e6131f6 | 135 | /* Select correct USBC clock.*/ |
| Kojto | 71:53949e6131f6 | 136 | #if defined( CMU_OSCENCMD_USHFRCOEN ) |
| Kojto | 71:53949e6131f6 | 137 | CMU->CMD = CMU_CMD_USBCCLKSEL_USHFRCO; |
| Kojto | 71:53949e6131f6 | 138 | while ( ( CMU->STATUS & CMU_STATUS_USBCUSHFRCOSEL ) == 0 ){} |
| Kojto | 71:53949e6131f6 | 139 | #else |
| Kojto | 71:53949e6131f6 | 140 | CMU->CMD = CMU_CMD_USBCCLKSEL_HFCLKNODIV; |
| Kojto | 71:53949e6131f6 | 141 | while ( ( CMU->STATUS & CMU_STATUS_USBCHFCLKSEL ) == 0 ){} |
| Kojto | 71:53949e6131f6 | 142 | #endif |
| Kojto | 71:53949e6131f6 | 143 | } |
| Kojto | 71:53949e6131f6 | 144 | #endif /* if ( USB_PWRSAVE_MODE ) */ |
| Kojto | 71:53949e6131f6 | 145 | |
| Kojto | 71:53949e6131f6 | 146 | if ( USB->IF && ( USB->CTRL & USB_CTRL_VREGOSEN ) ) |
| Kojto | 71:53949e6131f6 | 147 | { |
| Kojto | 71:53949e6131f6 | 148 | if ( USB->IF & USB_IF_VREGOSH ) |
| Kojto | 71:53949e6131f6 | 149 | { |
| Kojto | 71:53949e6131f6 | 150 | USB->IFC = USB_IFC_VREGOSH; |
| Kojto | 71:53949e6131f6 | 151 | |
| Kojto | 71:53949e6131f6 | 152 | if ( USB->STATUS & USB_STATUS_VREGOS ) |
| Kojto | 71:53949e6131f6 | 153 | { |
| Kojto | 71:53949e6131f6 | 154 | servedVbusInterrupt = true; |
| Kojto | 71:53949e6131f6 | 155 | DEBUG_USB_INT_LO_PUTS( "\nVboN" ); |
| Kojto | 71:53949e6131f6 | 156 | |
| Kojto | 71:53949e6131f6 | 157 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 158 | if ( UsbPowerUp() ) |
| Kojto | 71:53949e6131f6 | 159 | { |
| Kojto | 71:53949e6131f6 | 160 | USBDHAL_EnableUsbResetAndSuspendInt(); |
| Kojto | 71:53949e6131f6 | 161 | } |
| Kojto | 71:53949e6131f6 | 162 | USBD_SetUsbState( USBD_STATE_POWERED ); |
| Kojto | 71:53949e6131f6 | 163 | #endif |
| Kojto | 71:53949e6131f6 | 164 | } |
| Kojto | 71:53949e6131f6 | 165 | } |
| Kojto | 71:53949e6131f6 | 166 | |
| Kojto | 71:53949e6131f6 | 167 | if ( USB->IF & USB_IF_VREGOSL ) |
| Kojto | 71:53949e6131f6 | 168 | { |
| Kojto | 71:53949e6131f6 | 169 | USB->IFC = USB_IFC_VREGOSL; |
| Kojto | 71:53949e6131f6 | 170 | |
| Kojto | 71:53949e6131f6 | 171 | if ( ( USB->STATUS & USB_STATUS_VREGOS ) == 0 ) |
| Kojto | 71:53949e6131f6 | 172 | { |
| Kojto | 71:53949e6131f6 | 173 | servedVbusInterrupt = true; |
| Kojto | 71:53949e6131f6 | 174 | DEBUG_USB_INT_LO_PUTS( "\nVboF" ); |
| Kojto | 71:53949e6131f6 | 175 | |
| Kojto | 71:53949e6131f6 | 176 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 177 | #if ( USB_PWRSAVE_MODE & USB_PWRSAVE_MODE_ONVBUSOFF ) |
| Kojto | 71:53949e6131f6 | 178 | if ( !USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 179 | { |
| Kojto | 71:53949e6131f6 | 180 | USB->GINTMSK = 0; |
| Kojto | 71:53949e6131f6 | 181 | USB->GINTSTS = 0xFFFFFFFF; |
| Kojto | 71:53949e6131f6 | 182 | } |
| Kojto | 71:53949e6131f6 | 183 | |
| Kojto | 71:53949e6131f6 | 184 | UsbPowerDown(); |
| Kojto | 71:53949e6131f6 | 185 | #endif |
| Kojto | 71:53949e6131f6 | 186 | USBD_SetUsbState( USBD_STATE_NONE ); |
| Kojto | 71:53949e6131f6 | 187 | #endif |
| Kojto | 71:53949e6131f6 | 188 | } |
| Kojto | 71:53949e6131f6 | 189 | } |
| Kojto | 71:53949e6131f6 | 190 | } |
| Kojto | 71:53949e6131f6 | 191 | |
| Kojto | 71:53949e6131f6 | 192 | status = USBHAL_GetCoreInts(); |
| Kojto | 71:53949e6131f6 | 193 | if ( status == 0 ) |
| Kojto | 71:53949e6131f6 | 194 | { |
| Kojto | 71:53949e6131f6 | 195 | INT_Enable(); |
| Kojto | 71:53949e6131f6 | 196 | if ( !servedVbusInterrupt ) |
| Kojto | 71:53949e6131f6 | 197 | { |
| Kojto | 71:53949e6131f6 | 198 | DEBUG_USB_INT_LO_PUTS( "\nSinT" ); |
| Kojto | 71:53949e6131f6 | 199 | } |
| Kojto | 71:53949e6131f6 | 200 | return; |
| Kojto | 71:53949e6131f6 | 201 | } |
| Kojto | 71:53949e6131f6 | 202 | |
| Kojto | 71:53949e6131f6 | 203 | HANDLE_INT( USB_GINTSTS_RESETDET ) |
| Kojto | 71:53949e6131f6 | 204 | HANDLE_INT( USB_GINTSTS_WKUPINT ) |
| Kojto | 71:53949e6131f6 | 205 | HANDLE_INT( USB_GINTSTS_USBSUSP ) |
| Kojto | 71:53949e6131f6 | 206 | HANDLE_INT( USB_GINTSTS_SOF ) |
| Kojto | 71:53949e6131f6 | 207 | HANDLE_INT( USB_GINTSTS_ENUMDONE ) |
| Kojto | 71:53949e6131f6 | 208 | HANDLE_INT( USB_GINTSTS_USBRST ) |
| Kojto | 71:53949e6131f6 | 209 | HANDLE_INT( USB_GINTSTS_IEPINT ) |
| Kojto | 71:53949e6131f6 | 210 | HANDLE_INT( USB_GINTSTS_OEPINT ) |
| Kojto | 71:53949e6131f6 | 211 | |
| Kojto | 71:53949e6131f6 | 212 | INT_Enable(); |
| Kojto | 71:53949e6131f6 | 213 | |
| Kojto | 71:53949e6131f6 | 214 | if ( status != 0 ) |
| Kojto | 71:53949e6131f6 | 215 | { |
| Kojto | 71:53949e6131f6 | 216 | DEBUG_USB_INT_LO_PUTS( "\nUinT" ); |
| Kojto | 71:53949e6131f6 | 217 | } |
| Kojto | 71:53949e6131f6 | 218 | } |
| Kojto | 71:53949e6131f6 | 219 | |
| Kojto | 71:53949e6131f6 | 220 | /* |
| Kojto | 71:53949e6131f6 | 221 | * Handle port enumeration interrupt. This has nothing to do with normal |
| Kojto | 71:53949e6131f6 | 222 | * device enumeration. |
| Kojto | 71:53949e6131f6 | 223 | */ |
| Kojto | 71:53949e6131f6 | 224 | static void Handle_USB_GINTSTS_ENUMDONE( void ) |
| Kojto | 71:53949e6131f6 | 225 | { |
| Kojto | 71:53949e6131f6 | 226 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 227 | UsbPowerUp(); |
| Kojto | 71:53949e6131f6 | 228 | #endif |
| Kojto | 71:53949e6131f6 | 229 | |
| Kojto | 71:53949e6131f6 | 230 | USBDHAL_Ep0Activate( dev->ep0MpsCode ); |
| Kojto | 71:53949e6131f6 | 231 | dev->ep[ 0 ].state = D_EP_IDLE; |
| Kojto | 71:53949e6131f6 | 232 | USBDHAL_EnableInts( dev ); |
| Kojto | 71:53949e6131f6 | 233 | DEBUG_USB_INT_LO_PUTS( "EnumD" ); |
| Kojto | 71:53949e6131f6 | 234 | } |
| Kojto | 71:53949e6131f6 | 235 | |
| Kojto | 71:53949e6131f6 | 236 | /* |
| Kojto | 71:53949e6131f6 | 237 | * Handle IN endpoint transfer interrupt. |
| Kojto | 71:53949e6131f6 | 238 | */ |
| Kojto | 71:53949e6131f6 | 239 | static void Handle_USB_GINTSTS_IEPINT( void ) |
| Kojto | 71:53949e6131f6 | 240 | { |
| Kojto | 71:53949e6131f6 | 241 | int epnum; |
| Kojto | 71:53949e6131f6 | 242 | uint16_t epint; |
| Kojto | 71:53949e6131f6 | 243 | uint16_t epmask; |
| Kojto | 71:53949e6131f6 | 244 | uint32_t status; |
| Kojto | 71:53949e6131f6 | 245 | USBD_Ep_TypeDef *ep; |
| Kojto | 71:53949e6131f6 | 246 | |
| Kojto | 71:53949e6131f6 | 247 | DEBUG_USB_INT_HI_PUTCHAR( 'i' ); |
| Kojto | 71:53949e6131f6 | 248 | |
| Kojto | 71:53949e6131f6 | 249 | epint = USBDHAL_GetAllInEpInts(); |
| Kojto | 71:53949e6131f6 | 250 | for ( epnum = 0, epmask = 1; |
| Kojto | 71:53949e6131f6 | 251 | epnum <= MAX_NUM_IN_EPS; |
| Kojto | 71:53949e6131f6 | 252 | epnum++, epmask <<= 1 ) |
| Kojto | 71:53949e6131f6 | 253 | { |
| Kojto | 71:53949e6131f6 | 254 | if ( epint & epmask ) |
| Kojto | 71:53949e6131f6 | 255 | { |
| Kojto | 71:53949e6131f6 | 256 | ep = USBD_GetEpFromAddr( USB_SETUP_DIR_MASK | epnum ); |
| Kojto | 71:53949e6131f6 | 257 | status = USBDHAL_GetInEpInts( ep ); |
| Kojto | 71:53949e6131f6 | 258 | |
| Kojto | 71:53949e6131f6 | 259 | if ( status & USB_DIEP_INT_XFERCOMPL ) |
| Kojto | 71:53949e6131f6 | 260 | { |
| Kojto | 71:53949e6131f6 | 261 | USB_DINEPS[ epnum ].INT = USB_DIEP_INT_XFERCOMPL; |
| Kojto | 71:53949e6131f6 | 262 | |
| Kojto | 71:53949e6131f6 | 263 | DEBUG_USB_INT_HI_PUTCHAR( 'c' ); |
| Kojto | 71:53949e6131f6 | 264 | |
| Kojto | 71:53949e6131f6 | 265 | if ( epnum == 0 ) |
| Kojto | 71:53949e6131f6 | 266 | { |
| Kojto | 71:53949e6131f6 | 267 | if ( ep->remaining > ep->packetSize ) |
| Kojto | 71:53949e6131f6 | 268 | { |
| Kojto | 71:53949e6131f6 | 269 | ep->remaining -= ep->packetSize; |
| Kojto | 71:53949e6131f6 | 270 | ep->xferred += ep->packetSize; |
| Kojto | 71:53949e6131f6 | 271 | } |
| Kojto | 71:53949e6131f6 | 272 | else |
| Kojto | 71:53949e6131f6 | 273 | { |
| Kojto | 71:53949e6131f6 | 274 | ep->xferred += ep->remaining; |
| Kojto | 71:53949e6131f6 | 275 | ep->remaining = 0; |
| Kojto | 71:53949e6131f6 | 276 | } |
| Kojto | 71:53949e6131f6 | 277 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 278 | } |
| Kojto | 71:53949e6131f6 | 279 | else |
| Kojto | 71:53949e6131f6 | 280 | { |
| Kojto | 71:53949e6131f6 | 281 | ep->xferred = ep->remaining - |
| Kojto | 71:53949e6131f6 | 282 | ( ( USB_DINEPS[ epnum ].TSIZ & |
| Kojto | 71:53949e6131f6 | 283 | _USB_DIEP_TSIZ_XFERSIZE_MASK ) >> |
| Kojto | 71:53949e6131f6 | 284 | _USB_DIEP_TSIZ_XFERSIZE_SHIFT ); |
| Kojto | 71:53949e6131f6 | 285 | ep->remaining -= ep->xferred; |
| Kojto | 71:53949e6131f6 | 286 | |
| Kojto | 71:53949e6131f6 | 287 | USBDEP_EpHandler( ep->addr ); |
| Kojto | 71:53949e6131f6 | 288 | #if defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 289 | if ( USB_DINEPS[ ep->num ].INT & USB_DIEP_INT_NAKINTRPT ) |
| Kojto | 71:53949e6131f6 | 290 | { |
| Kojto | 71:53949e6131f6 | 291 | USB_DINEPS[ ep->num ].INT = USB_DIEP_INT_NAKINTRPT; |
| Kojto | 71:53949e6131f6 | 292 | } |
| Kojto | 71:53949e6131f6 | 293 | #endif |
| Kojto | 71:53949e6131f6 | 294 | } |
| Kojto | 71:53949e6131f6 | 295 | } |
| Kojto | 71:53949e6131f6 | 296 | } |
| Kojto | 71:53949e6131f6 | 297 | } |
| Kojto | 71:53949e6131f6 | 298 | } |
| Kojto | 71:53949e6131f6 | 299 | |
| Kojto | 71:53949e6131f6 | 300 | /* |
| Kojto | 71:53949e6131f6 | 301 | * Handle OUT endpoint transfer interrupt. |
| Kojto | 71:53949e6131f6 | 302 | */ |
| Kojto | 71:53949e6131f6 | 303 | static void Handle_USB_GINTSTS_OEPINT( void ) |
| Kojto | 71:53949e6131f6 | 304 | { |
| Kojto | 71:53949e6131f6 | 305 | int epnum; |
| Kojto | 71:53949e6131f6 | 306 | uint16_t epint; |
| Kojto | 71:53949e6131f6 | 307 | uint16_t epmask; |
| Kojto | 71:53949e6131f6 | 308 | uint32_t status; |
| Kojto | 71:53949e6131f6 | 309 | USBD_Ep_TypeDef *ep; |
| Kojto | 71:53949e6131f6 | 310 | |
| Kojto | 71:53949e6131f6 | 311 | DEBUG_USB_INT_HI_PUTCHAR( 'o' ); |
| Kojto | 71:53949e6131f6 | 312 | |
| Kojto | 71:53949e6131f6 | 313 | epint = USBDHAL_GetAllOutEpInts(); |
| Kojto | 71:53949e6131f6 | 314 | for ( epnum = 0, epmask = 1; |
| Kojto | 71:53949e6131f6 | 315 | epnum <= MAX_NUM_OUT_EPS; |
| Kojto | 71:53949e6131f6 | 316 | epnum++, epmask <<= 1 ) |
| Kojto | 71:53949e6131f6 | 317 | { |
| Kojto | 71:53949e6131f6 | 318 | if ( epint & epmask ) |
| Kojto | 71:53949e6131f6 | 319 | { |
| Kojto | 71:53949e6131f6 | 320 | ep = USBD_GetEpFromAddr( epnum ); |
| Kojto | 71:53949e6131f6 | 321 | status = USBDHAL_GetOutEpInts( ep ); |
| Kojto | 71:53949e6131f6 | 322 | |
| Kojto | 71:53949e6131f6 | 323 | #if defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 324 | HandleOutEpIntr( status, ep ); |
| Kojto | 71:53949e6131f6 | 325 | #else |
| Kojto | 71:53949e6131f6 | 326 | if ( status & USB_DOEP_INT_XFERCOMPL ) |
| Kojto | 71:53949e6131f6 | 327 | { |
| Kojto | 71:53949e6131f6 | 328 | USB_DOUTEPS[ epnum ].INT = USB_DOEP_INT_XFERCOMPL; |
| Kojto | 71:53949e6131f6 | 329 | DEBUG_USB_INT_HI_PUTCHAR( 'c' ); |
| Kojto | 71:53949e6131f6 | 330 | ProcessOepData( ep ); |
| Kojto | 71:53949e6131f6 | 331 | } |
| Kojto | 71:53949e6131f6 | 332 | |
| Kojto | 71:53949e6131f6 | 333 | /* Setup Phase Done */ |
| Kojto | 71:53949e6131f6 | 334 | if ( status & USB_DOEP0INT_SETUP ) |
| Kojto | 71:53949e6131f6 | 335 | { |
| Kojto | 71:53949e6131f6 | 336 | ProcessSetup(); |
| Kojto | 71:53949e6131f6 | 337 | } |
| Kojto | 71:53949e6131f6 | 338 | #endif |
| Kojto | 71:53949e6131f6 | 339 | } |
| Kojto | 71:53949e6131f6 | 340 | } |
| Kojto | 71:53949e6131f6 | 341 | } |
| Kojto | 71:53949e6131f6 | 342 | |
| Kojto | 71:53949e6131f6 | 343 | #if !defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 344 | static void ProcessOepData( USBD_Ep_TypeDef *ep ) |
| Kojto | 71:53949e6131f6 | 345 | { |
| Kojto | 71:53949e6131f6 | 346 | if ( ep->num == 0 ) |
| Kojto | 71:53949e6131f6 | 347 | { |
| Kojto | 71:53949e6131f6 | 348 | |
| Kojto | 71:53949e6131f6 | 349 | #ifdef __MBED__ |
| Kojto | 71:53949e6131f6 | 350 | int xfer_size = ep->packetSize - (( USB->DOEP0TSIZ & _USB_DOEP0TSIZ_XFERSIZE_MASK ) |
| Kojto | 71:53949e6131f6 | 351 | >> _USB_DOEP0TSIZ_XFERSIZE_SHIFT); |
| Kojto | 71:53949e6131f6 | 352 | int setup_pkt_received = USBDHAL_GetOutEpInts( ep ) & USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 353 | |
| Kojto | 71:53949e6131f6 | 354 | if ( (!setup_pkt_received && xfer_size == 0) || |
| Kojto | 71:53949e6131f6 | 355 | (setup_pkt_received && xfer_size == 8) ) |
| Kojto | 71:53949e6131f6 | 356 | { |
| Kojto | 71:53949e6131f6 | 357 | /* Higher levels need to see the correct transfer amount for ZLPs */ |
| Kojto | 71:53949e6131f6 | 358 | ep->remaining = 0; |
| Kojto | 71:53949e6131f6 | 359 | ep->xferred = 0; |
| Kojto | 71:53949e6131f6 | 360 | } |
| Kojto | 71:53949e6131f6 | 361 | else |
| Kojto | 71:53949e6131f6 | 362 | { |
| Kojto | 71:53949e6131f6 | 363 | /* FIXME - does not work if actual read size > 56 */ |
| Kojto | 71:53949e6131f6 | 364 | if ( setup_pkt_received ) xfer_size -= 8; |
| Kojto | 71:53949e6131f6 | 365 | |
| Kojto | 71:53949e6131f6 | 366 | ep->xferred = xfer_size; |
| Kojto | 71:53949e6131f6 | 367 | ep->remaining -= xfer_size; |
| Kojto | 71:53949e6131f6 | 368 | } |
| Kojto | 71:53949e6131f6 | 369 | #else |
| Kojto | 71:53949e6131f6 | 370 | if ( ep->remaining > ep->packetSize ) |
| Kojto | 71:53949e6131f6 | 371 | { |
| Kojto | 71:53949e6131f6 | 372 | ep->remaining -= ep->packetSize; |
| Kojto | 71:53949e6131f6 | 373 | ep->xferred += ep->packetSize; |
| Kojto | 71:53949e6131f6 | 374 | } |
| Kojto | 71:53949e6131f6 | 375 | else |
| Kojto | 71:53949e6131f6 | 376 | { |
| Kojto | 71:53949e6131f6 | 377 | ep->xferred += ep->remaining; |
| Kojto | 71:53949e6131f6 | 378 | ep->remaining = 0; |
| Kojto | 71:53949e6131f6 | 379 | } |
| Kojto | 71:53949e6131f6 | 380 | #endif |
| Kojto | 71:53949e6131f6 | 381 | |
| Kojto | 71:53949e6131f6 | 382 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 383 | } |
| Kojto | 71:53949e6131f6 | 384 | else |
| Kojto | 71:53949e6131f6 | 385 | { |
| Kojto | 71:53949e6131f6 | 386 | ep->xferred = ep->hwXferSize - |
| Kojto | 71:53949e6131f6 | 387 | ( ( USB_DOUTEPS[ ep->num ].TSIZ & _USB_DOEP_TSIZ_XFERSIZE_MASK )>> |
| Kojto | 71:53949e6131f6 | 388 | _USB_DOEP_TSIZ_XFERSIZE_SHIFT ); |
| Kojto | 71:53949e6131f6 | 389 | ep->remaining -= ep->xferred; |
| Kojto | 71:53949e6131f6 | 390 | USBDEP_EpHandler( ep->addr ); |
| Kojto | 71:53949e6131f6 | 391 | } |
| Kojto | 71:53949e6131f6 | 392 | } |
| Kojto | 71:53949e6131f6 | 393 | #endif |
| Kojto | 71:53949e6131f6 | 394 | |
| Kojto | 71:53949e6131f6 | 395 | #if !defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 396 | static void ProcessSetup( void ) |
| Kojto | 71:53949e6131f6 | 397 | { |
| Kojto | 71:53949e6131f6 | 398 | DEBUG_USB_INT_LO_PUTS( "\nS" ); |
| Kojto | 71:53949e6131f6 | 399 | |
| Kojto | 71:53949e6131f6 | 400 | if ( USB->DOEP0INT & USB_DOEP0INT_BACK2BACKSETUP ) |
| Kojto | 71:53949e6131f6 | 401 | { /* Back to back setup packets received */ |
| Kojto | 71:53949e6131f6 | 402 | USB->DOEP0INT = USB_DOEP0INT_BACK2BACKSETUP; |
| Kojto | 71:53949e6131f6 | 403 | DEBUG_USB_INT_LO_PUTS( "B2B" ); |
| Kojto | 71:53949e6131f6 | 404 | |
| Kojto | 71:53949e6131f6 | 405 | dev->setup = (USB_Setup_TypeDef*)( USB->DOEP0DMAADDR - USB_SETUP_PKT_SIZE ); |
| Kojto | 71:53949e6131f6 | 406 | } |
| Kojto | 71:53949e6131f6 | 407 | else |
| Kojto | 71:53949e6131f6 | 408 | { |
| Kojto | 71:53949e6131f6 | 409 | /* Read SETUP packet counter from hw. */ |
| Kojto | 71:53949e6131f6 | 410 | int supCnt = ( USB->DOEP0TSIZ & _USB_DOEP0TSIZ_SUPCNT_MASK ) |
| Kojto | 71:53949e6131f6 | 411 | >> _USB_DOEP0TSIZ_SUPCNT_SHIFT; |
| Kojto | 71:53949e6131f6 | 412 | |
| Kojto | 71:53949e6131f6 | 413 | if ( supCnt == 3 ) |
| Kojto | 71:53949e6131f6 | 414 | supCnt = 2; |
| Kojto | 71:53949e6131f6 | 415 | |
| Kojto | 71:53949e6131f6 | 416 | dev->setup = &dev->setupPkt[ 2 - supCnt ]; |
| Kojto | 71:53949e6131f6 | 417 | } |
| Kojto | 71:53949e6131f6 | 418 | USB->DOEP0TSIZ |= 3 << _USB_DOEP0TSIZ_SUPCNT_SHIFT; |
| Kojto | 71:53949e6131f6 | 419 | USB->DOEP0DMAADDR = (uint32_t)dev->setupPkt; |
| Kojto | 71:53949e6131f6 | 420 | USB->DOEP0INT = USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 421 | |
| Kojto | 71:53949e6131f6 | 422 | USBDEP_Ep0Handler( dev ); /* Call the SETUP handler for EP0 */ |
| Kojto | 71:53949e6131f6 | 423 | } |
| Kojto | 71:53949e6131f6 | 424 | #endif |
| Kojto | 71:53949e6131f6 | 425 | |
| Kojto | 71:53949e6131f6 | 426 | /* |
| Kojto | 71:53949e6131f6 | 427 | * Handle USB reset detected interrupt in suspend mode. |
| Kojto | 71:53949e6131f6 | 428 | */ |
| Kojto | 71:53949e6131f6 | 429 | static void Handle_USB_GINTSTS_RESETDET ( void ) |
| Kojto | 71:53949e6131f6 | 430 | { |
| Kojto | 71:53949e6131f6 | 431 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 432 | if ( ! USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 433 | { |
| Kojto | 71:53949e6131f6 | 434 | USB->GINTSTS = USB_GINTSTS_RESETDET; |
| Kojto | 71:53949e6131f6 | 435 | } |
| Kojto | 71:53949e6131f6 | 436 | |
| Kojto | 71:53949e6131f6 | 437 | if ( UsbPowerUp() ) |
| Kojto | 71:53949e6131f6 | 438 | { |
| Kojto | 71:53949e6131f6 | 439 | USB->GINTSTS = USB_GINTSTS_RESETDET; |
| Kojto | 71:53949e6131f6 | 440 | } |
| Kojto | 71:53949e6131f6 | 441 | |
| Kojto | 71:53949e6131f6 | 442 | #if ( USB_PWRSAVE_MODE & USB_PWRSAVE_MODE_ONVBUSOFF ) |
| Kojto | 71:53949e6131f6 | 443 | /* Power down immediately if VBUS is off. */ |
| Kojto | 71:53949e6131f6 | 444 | if ( ! ( USB->STATUS & USB_STATUS_VREGOS ) ) |
| Kojto | 71:53949e6131f6 | 445 | { |
| Kojto | 71:53949e6131f6 | 446 | UsbPowerDown(); |
| Kojto | 71:53949e6131f6 | 447 | } |
| Kojto | 71:53949e6131f6 | 448 | #endif |
| Kojto | 71:53949e6131f6 | 449 | |
| Kojto | 71:53949e6131f6 | 450 | #else |
| Kojto | 71:53949e6131f6 | 451 | USB->GINTSTS = USB_GINTSTS_RESETDET; |
| Kojto | 71:53949e6131f6 | 452 | #endif /* if ( USB_PWRSAVE_MODE ) */ |
| Kojto | 71:53949e6131f6 | 453 | |
| Kojto | 71:53949e6131f6 | 454 | if ( USB->STATUS & USB_STATUS_VREGOS ) |
| Kojto | 71:53949e6131f6 | 455 | { |
| Kojto | 71:53949e6131f6 | 456 | USBD_SetUsbState( USBD_STATE_DEFAULT ); |
| Kojto | 71:53949e6131f6 | 457 | } |
| Kojto | 71:53949e6131f6 | 458 | else |
| Kojto | 71:53949e6131f6 | 459 | { |
| Kojto | 71:53949e6131f6 | 460 | USBD_SetUsbState( USBD_STATE_NONE ); |
| Kojto | 71:53949e6131f6 | 461 | } |
| Kojto | 71:53949e6131f6 | 462 | DEBUG_USB_INT_LO_PUTS( "RsuP\n" ); |
| Kojto | 71:53949e6131f6 | 463 | } |
| Kojto | 71:53949e6131f6 | 464 | |
| Kojto | 71:53949e6131f6 | 465 | /* |
| Kojto | 71:53949e6131f6 | 466 | * Handle Start Of Frame (SOF) interrupt. |
| Kojto | 71:53949e6131f6 | 467 | */ |
| Kojto | 71:53949e6131f6 | 468 | static void Handle_USB_GINTSTS_SOF( void ) |
| Kojto | 71:53949e6131f6 | 469 | { |
| Kojto | 71:53949e6131f6 | 470 | USB->GINTSTS = USB_GINTSTS_SOF; |
| Kojto | 71:53949e6131f6 | 471 | |
| Kojto | 71:53949e6131f6 | 472 | if ( dev->callbacks->sofInt ) |
| Kojto | 71:53949e6131f6 | 473 | { |
| Kojto | 71:53949e6131f6 | 474 | dev->callbacks->sofInt( |
| Kojto | 71:53949e6131f6 | 475 | ( USB->DSTS & _USB_DSTS_SOFFN_MASK ) >> _USB_DSTS_SOFFN_SHIFT ); |
| Kojto | 71:53949e6131f6 | 476 | } |
| Kojto | 71:53949e6131f6 | 477 | } |
| Kojto | 71:53949e6131f6 | 478 | |
| Kojto | 71:53949e6131f6 | 479 | /* |
| Kojto | 71:53949e6131f6 | 480 | * Handle USB port reset interrupt. |
| Kojto | 71:53949e6131f6 | 481 | */ |
| Kojto | 71:53949e6131f6 | 482 | static void Handle_USB_GINTSTS_USBRST( void ) |
| Kojto | 71:53949e6131f6 | 483 | { |
| Kojto | 71:53949e6131f6 | 484 | int i; |
| Kojto | 71:53949e6131f6 | 485 | |
| Kojto | 71:53949e6131f6 | 486 | DEBUG_USB_INT_LO_PUTS( "ReseT" ); |
| Kojto | 71:53949e6131f6 | 487 | |
| Kojto | 71:53949e6131f6 | 488 | /* Clear Remote Wakeup Signalling */ |
| Kojto | 71:53949e6131f6 | 489 | USB->DCTL &= ~( DCTL_WO_BITMASK | USB_DCTL_RMTWKUPSIG ); |
| Kojto | 71:53949e6131f6 | 490 | USBHAL_FlushTxFifo( 0 ); |
| Kojto | 71:53949e6131f6 | 491 | |
| Kojto | 71:53949e6131f6 | 492 | /* Clear pending interrupts */ |
| Kojto | 71:53949e6131f6 | 493 | for ( i = 0; i <= MAX_NUM_IN_EPS; i++ ) |
| Kojto | 71:53949e6131f6 | 494 | { |
| Kojto | 71:53949e6131f6 | 495 | USB_DINEPS[ i ].INT = 0xFFFFFFFF; |
| Kojto | 71:53949e6131f6 | 496 | } |
| Kojto | 71:53949e6131f6 | 497 | |
| Kojto | 71:53949e6131f6 | 498 | for ( i = 0; i <= MAX_NUM_OUT_EPS; i++ ) |
| Kojto | 71:53949e6131f6 | 499 | { |
| Kojto | 71:53949e6131f6 | 500 | USB_DOUTEPS[ i ].INT = 0xFFFFFFFF; |
| Kojto | 71:53949e6131f6 | 501 | } |
| Kojto | 71:53949e6131f6 | 502 | |
| Kojto | 71:53949e6131f6 | 503 | USB->DAINTMSK = USB_DAINTMSK_INEPMSK0 | USB_DAINTMSK_OUTEPMSK0; |
| Kojto | 71:53949e6131f6 | 504 | #if defined( USB_DOEPMSK_STSPHSERCVDMSK ) |
| Kojto | 71:53949e6131f6 | 505 | USB->DOEPMSK = USB_DOEPMSK_SETUPMSK | USB_DOEPMSK_XFERCOMPLMSK |
| Kojto | 71:53949e6131f6 | 506 | | USB_DOEPMSK_STSPHSERCVDMSK; |
| Kojto | 71:53949e6131f6 | 507 | #else |
| Kojto | 71:53949e6131f6 | 508 | USB->DOEPMSK = USB_DOEPMSK_SETUPMSK | USB_DOEPMSK_XFERCOMPLMSK; |
| Kojto | 71:53949e6131f6 | 509 | #endif |
| Kojto | 71:53949e6131f6 | 510 | USB->DIEPMSK = USB_DIEPMSK_XFERCOMPLMSK; |
| Kojto | 71:53949e6131f6 | 511 | |
| Kojto | 71:53949e6131f6 | 512 | /* Reset Device Address */ |
| Kojto | 71:53949e6131f6 | 513 | USB->DCFG &= ~_USB_DCFG_DEVADDR_MASK; |
| Kojto | 71:53949e6131f6 | 514 | |
| Kojto | 71:53949e6131f6 | 515 | /* Setup EP0 to receive SETUP packets */ |
| Kojto | 71:53949e6131f6 | 516 | USBDHAL_StartEp0Setup( dev ); |
| Kojto | 71:53949e6131f6 | 517 | USBDHAL_EnableInts( dev ); |
| Kojto | 71:53949e6131f6 | 518 | |
| Kojto | 71:53949e6131f6 | 519 | if ( dev->callbacks->usbReset ) |
| Kojto | 71:53949e6131f6 | 520 | { |
| Kojto | 71:53949e6131f6 | 521 | dev->callbacks->usbReset(); |
| Kojto | 71:53949e6131f6 | 522 | } |
| Kojto | 71:53949e6131f6 | 523 | |
| Kojto | 71:53949e6131f6 | 524 | USBD_SetUsbState( USBD_STATE_DEFAULT ); |
| Kojto | 71:53949e6131f6 | 525 | USBDHAL_AbortAllTransfers( USB_STATUS_DEVICE_RESET ); |
| Kojto | 71:53949e6131f6 | 526 | } |
| Kojto | 71:53949e6131f6 | 527 | |
| Kojto | 71:53949e6131f6 | 528 | /* |
| Kojto | 71:53949e6131f6 | 529 | * Handle USB port suspend interrupt. |
| Kojto | 71:53949e6131f6 | 530 | */ |
| Kojto | 71:53949e6131f6 | 531 | static void Handle_USB_GINTSTS_USBSUSP( void ) |
| Kojto | 71:53949e6131f6 | 532 | { |
| Kojto | 71:53949e6131f6 | 533 | USBD_State_TypeDef state; |
| Kojto | 71:53949e6131f6 | 534 | |
| Kojto | 71:53949e6131f6 | 535 | USB->GINTSTS = USB_GINTSTS_USBSUSP; |
| Kojto | 71:53949e6131f6 | 536 | USBDHAL_AbortAllTransfers( USB_STATUS_DEVICE_SUSPENDED ); |
| Kojto | 71:53949e6131f6 | 537 | DEBUG_USB_INT_LO_PUTS( "\nSusP" ); |
| Kojto | 71:53949e6131f6 | 538 | |
| Kojto | 71:53949e6131f6 | 539 | if ( USBD_GetUsbState() == USBD_STATE_NONE ) |
| Kojto | 71:53949e6131f6 | 540 | { |
| Kojto | 71:53949e6131f6 | 541 | USBD_SetUsbState( USBD_STATE_POWERED ); |
| Kojto | 71:53949e6131f6 | 542 | } |
| Kojto | 71:53949e6131f6 | 543 | |
| Kojto | 71:53949e6131f6 | 544 | state = USBD_GetUsbState(); |
| Kojto | 71:53949e6131f6 | 545 | if ( ( state == USBD_STATE_POWERED ) || |
| Kojto | 71:53949e6131f6 | 546 | ( state == USBD_STATE_DEFAULT ) || |
| Kojto | 71:53949e6131f6 | 547 | ( state == USBD_STATE_ADDRESSED ) || |
| Kojto | 71:53949e6131f6 | 548 | ( state == USBD_STATE_CONFIGURED ) ) |
| Kojto | 71:53949e6131f6 | 549 | { |
| Kojto | 71:53949e6131f6 | 550 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 551 | UsbPowerDown(); |
| Kojto | 71:53949e6131f6 | 552 | #endif |
| Kojto | 71:53949e6131f6 | 553 | USBD_SetUsbState( USBD_STATE_SUSPENDED ); |
| Kojto | 71:53949e6131f6 | 554 | } |
| Kojto | 71:53949e6131f6 | 555 | } |
| Kojto | 71:53949e6131f6 | 556 | |
| Kojto | 71:53949e6131f6 | 557 | /* |
| Kojto | 71:53949e6131f6 | 558 | * Handle USB port wakeup interrupt. |
| Kojto | 71:53949e6131f6 | 559 | */ |
| Kojto | 71:53949e6131f6 | 560 | static void Handle_USB_GINTSTS_WKUPINT( void ) |
| Kojto | 71:53949e6131f6 | 561 | { |
| Kojto | 71:53949e6131f6 | 562 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 563 | if ( ! USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 564 | { |
| Kojto | 71:53949e6131f6 | 565 | USB->GINTSTS = USB_GINTSTS_WKUPINT; |
| Kojto | 71:53949e6131f6 | 566 | } |
| Kojto | 71:53949e6131f6 | 567 | |
| Kojto | 71:53949e6131f6 | 568 | if ( UsbPowerUp() ) |
| Kojto | 71:53949e6131f6 | 569 | { |
| Kojto | 71:53949e6131f6 | 570 | USB->GINTSTS = USB_GINTSTS_WKUPINT; |
| Kojto | 71:53949e6131f6 | 571 | USBDHAL_StartEp0Setup( dev ); |
| Kojto | 71:53949e6131f6 | 572 | USBDHAL_Ep0Activate( dev->ep0MpsCode ); |
| Kojto | 71:53949e6131f6 | 573 | } |
| Kojto | 71:53949e6131f6 | 574 | #else |
| Kojto | 71:53949e6131f6 | 575 | USB->GINTSTS = USB_GINTSTS_WKUPINT; |
| Kojto | 71:53949e6131f6 | 576 | #endif |
| Kojto | 71:53949e6131f6 | 577 | |
| Kojto | 71:53949e6131f6 | 578 | USBD_SetUsbState( dev->savedState ); |
| Kojto | 71:53949e6131f6 | 579 | DEBUG_USB_INT_LO_PUTS( "WkuP\n" ); |
| Kojto | 71:53949e6131f6 | 580 | } |
| Kojto | 71:53949e6131f6 | 581 | |
| Kojto | 71:53949e6131f6 | 582 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 583 | /* |
| Kojto | 71:53949e6131f6 | 584 | * Backup essential USB core registers, and set the core in partial powerdown |
| Kojto | 71:53949e6131f6 | 585 | * mode. Optionally prepare entry into EM2. |
| Kojto | 71:53949e6131f6 | 586 | */ |
| Kojto | 71:53949e6131f6 | 587 | static bool UsbPowerDown( void ) |
| Kojto | 71:53949e6131f6 | 588 | { |
| Kojto | 71:53949e6131f6 | 589 | #if ( NUM_EP_USED > 0 ) || ( FIFO_CNT > 0 ) |
| Kojto | 71:53949e6131f6 | 590 | int i; |
| Kojto | 71:53949e6131f6 | 591 | #endif |
| Kojto | 71:53949e6131f6 | 592 | #if ( NUM_EP_USED > 0 ) |
| Kojto | 71:53949e6131f6 | 593 | int epNum; |
| Kojto | 71:53949e6131f6 | 594 | USBD_Ep_TypeDef *ep; |
| Kojto | 71:53949e6131f6 | 595 | #endif |
| Kojto | 71:53949e6131f6 | 596 | |
| Kojto | 71:53949e6131f6 | 597 | if ( !USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 598 | { |
| Kojto | 71:53949e6131f6 | 599 | USBD_poweredDown = true; |
| Kojto | 71:53949e6131f6 | 600 | DEBUG_USB_INT_LO_PUTCHAR( '\\' ); |
| Kojto | 71:53949e6131f6 | 601 | |
| Kojto | 71:53949e6131f6 | 602 | /* Backup USB core registers. */ |
| Kojto | 71:53949e6131f6 | 603 | x_USB_GINTMSK = USB->GINTMSK; |
| Kojto | 71:53949e6131f6 | 604 | #if defined(_USB_GOTGCTL_MASK) |
| Kojto | 71:53949e6131f6 | 605 | x_USB_GOTGCTL = USB->GOTGCTL; |
| Kojto | 71:53949e6131f6 | 606 | #endif |
| Kojto | 71:53949e6131f6 | 607 | x_USB_GAHBCFG = USB->GAHBCFG; |
| Kojto | 71:53949e6131f6 | 608 | x_USB_GUSBCFG = USB->GUSBCFG; |
| Kojto | 71:53949e6131f6 | 609 | x_USB_GRXFSIZ = USB->GRXFSIZ; |
| Kojto | 71:53949e6131f6 | 610 | x_USB_GNPTXFSIZ = USB->GNPTXFSIZ; |
| Kojto | 71:53949e6131f6 | 611 | x_USB_DCFG = USB->DCFG; |
| Kojto | 71:53949e6131f6 | 612 | x_USB_DCTL = USB->DCTL; |
| Kojto | 71:53949e6131f6 | 613 | x_USB_DAINTMSK = USB->DAINTMSK; |
| Kojto | 71:53949e6131f6 | 614 | x_USB_DIEPMSK = USB->DIEPMSK; |
| Kojto | 71:53949e6131f6 | 615 | x_USB_DOEPMSK = USB->DOEPMSK; |
| Kojto | 71:53949e6131f6 | 616 | x_USB_PCGCCTL = USB->PCGCCTL; |
| Kojto | 71:53949e6131f6 | 617 | |
| Kojto | 71:53949e6131f6 | 618 | #if ( NUM_EP_USED > 0 ) |
| Kojto | 71:53949e6131f6 | 619 | for ( i = 0; i < NUM_EP_USED; i++ ) |
| Kojto | 71:53949e6131f6 | 620 | { |
| Kojto | 71:53949e6131f6 | 621 | ep = &dev->ep[ i+1 ]; |
| Kojto | 71:53949e6131f6 | 622 | epNum = ep->num; |
| Kojto | 71:53949e6131f6 | 623 | if ( ep->in ) |
| Kojto | 71:53949e6131f6 | 624 | { |
| Kojto | 71:53949e6131f6 | 625 | x_USB_EP_CTL[ i ] = USB_DINEPS[ epNum ].CTL; |
| Kojto | 71:53949e6131f6 | 626 | x_USB_EP_TSIZ[ i ] = USB_DINEPS[ epNum ].TSIZ; |
| Kojto | 71:53949e6131f6 | 627 | x_USB_EP_DMAADDR[ i ] = USB_DINEPS[ epNum ].DMAADDR; |
| Kojto | 71:53949e6131f6 | 628 | } |
| Kojto | 71:53949e6131f6 | 629 | else |
| Kojto | 71:53949e6131f6 | 630 | { |
| Kojto | 71:53949e6131f6 | 631 | x_USB_EP_CTL[ i ] = USB_DOUTEPS[ epNum ].CTL; |
| Kojto | 71:53949e6131f6 | 632 | x_USB_EP_TSIZ[ i ] = USB_DOUTEPS[ epNum ].TSIZ; |
| Kojto | 71:53949e6131f6 | 633 | x_USB_EP_DMAADDR[ i ] = USB_DOUTEPS[ epNum ].DMAADDR; |
| Kojto | 71:53949e6131f6 | 634 | } |
| Kojto | 71:53949e6131f6 | 635 | } |
| Kojto | 71:53949e6131f6 | 636 | #endif |
| Kojto | 71:53949e6131f6 | 637 | |
| Kojto | 71:53949e6131f6 | 638 | #if ( FIFO_CNT > 0 ) |
| Kojto | 71:53949e6131f6 | 639 | for ( i = 0; i < FIFO_CNT; i++ ) |
| Kojto | 71:53949e6131f6 | 640 | { |
| Kojto | 71:53949e6131f6 | 641 | x_USB_DIEPTXFS[ i ] = USB_DIEPTXFS[ i ]; |
| Kojto | 71:53949e6131f6 | 642 | } |
| Kojto | 71:53949e6131f6 | 643 | #endif |
| Kojto | 71:53949e6131f6 | 644 | |
| Kojto | 71:53949e6131f6 | 645 | /* Prepare for wakeup on resume and reset. */ |
| Kojto | 71:53949e6131f6 | 646 | USB->DCFG = (USB->DCFG & ~_USB_DCFG_RESVALID_MASK) | |
| Kojto | 71:53949e6131f6 | 647 | (4 << _USB_DCFG_RESVALID_SHIFT); |
| Kojto | 71:53949e6131f6 | 648 | USB->DCFG |= USB_DCFG_ENA32KHZSUSP; |
| Kojto | 71:53949e6131f6 | 649 | USB->GINTMSK = USB_GINTMSK_RESETDETMSK | USB_GINTMSK_WKUPINTMSK; |
| Kojto | 71:53949e6131f6 | 650 | |
| Kojto | 71:53949e6131f6 | 651 | /* Enter partial powerdown mode. */ |
| Kojto | 71:53949e6131f6 | 652 | USB->PCGCCTL |= USB_PCGCCTL_PWRCLMP; |
| Kojto | 71:53949e6131f6 | 653 | USB->PCGCCTL |= USB_PCGCCTL_RSTPDWNMODULE; |
| Kojto | 71:53949e6131f6 | 654 | USB->PCGCCTL |= USB_PCGCCTL_STOPPCLK; |
| Kojto | 71:53949e6131f6 | 655 | |
| Kojto | 71:53949e6131f6 | 656 | /* Record current clock settings. */ |
| Kojto | 71:53949e6131f6 | 657 | cmuStatus = CMU->STATUS; |
| Kojto | 71:53949e6131f6 | 658 | |
| Kojto | 71:53949e6131f6 | 659 | #if ( USB_PWRSAVE_MODE & USB_PWRSAVE_MODE_ENTEREM2 ) |
| Kojto | 71:53949e6131f6 | 660 | #ifndef __MBED__ |
| Kojto | 71:53949e6131f6 | 661 | /* Enter EM2 on interrupt exit. */ |
| Kojto | 71:53949e6131f6 | 662 | SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk; |
| Kojto | 71:53949e6131f6 | 663 | #else |
| Kojto | 71:53949e6131f6 | 664 | usbhal_allow_em2(true); |
| Kojto | 71:53949e6131f6 | 665 | #endif |
| Kojto | 71:53949e6131f6 | 666 | #endif |
| Kojto | 71:53949e6131f6 | 667 | |
| Kojto | 71:53949e6131f6 | 668 | /* Switch USBC clock to 32 kHz. */ |
| Kojto | 71:53949e6131f6 | 669 | #if ( USB_USBC_32kHz_CLK == USB_USBC_32kHz_CLK_LFXO ) |
| Kojto | 71:53949e6131f6 | 670 | CMU->CMD = CMU_CMD_USBCCLKSEL_LFXO; |
| Kojto | 71:53949e6131f6 | 671 | while ( ( CMU->STATUS & CMU_STATUS_USBCLFXOSEL ) == 0 ){} |
| Kojto | 71:53949e6131f6 | 672 | #else |
| Kojto | 71:53949e6131f6 | 673 | CMU->CMD = CMU_CMD_USBCCLKSEL_LFRCO; |
| Kojto | 71:53949e6131f6 | 674 | while ( ( CMU->STATUS & CMU_STATUS_USBCLFRCOSEL ) == 0 ){} |
| Kojto | 71:53949e6131f6 | 675 | #endif |
| Kojto | 71:53949e6131f6 | 676 | |
| Kojto | 71:53949e6131f6 | 677 | return true; |
| Kojto | 71:53949e6131f6 | 678 | } |
| Kojto | 71:53949e6131f6 | 679 | return false; |
| Kojto | 71:53949e6131f6 | 680 | } |
| Kojto | 71:53949e6131f6 | 681 | #endif /* if ( USB_PWRSAVE_MODE ) */ |
| Kojto | 71:53949e6131f6 | 682 | |
| Kojto | 71:53949e6131f6 | 683 | #if ( USB_PWRSAVE_MODE ) |
| Kojto | 71:53949e6131f6 | 684 | /* |
| Kojto | 71:53949e6131f6 | 685 | * Exit USB core partial powerdown mode, restore essential USB core registers. |
| Kojto | 71:53949e6131f6 | 686 | * Will prevent re-entry back to EM2. |
| Kojto | 71:53949e6131f6 | 687 | * Returns true if a powerup sequence was performed. |
| Kojto | 71:53949e6131f6 | 688 | */ |
| Kojto | 71:53949e6131f6 | 689 | static bool UsbPowerUp( void ) |
| Kojto | 71:53949e6131f6 | 690 | { |
| Kojto | 71:53949e6131f6 | 691 | #if ( NUM_EP_USED > 0 ) || ( FIFO_CNT > 0 ) |
| Kojto | 71:53949e6131f6 | 692 | int i; |
| Kojto | 71:53949e6131f6 | 693 | #endif |
| Kojto | 71:53949e6131f6 | 694 | #if ( NUM_EP_USED > 0 ) |
| Kojto | 71:53949e6131f6 | 695 | int epNum; |
| Kojto | 71:53949e6131f6 | 696 | uint32_t tmp; |
| Kojto | 71:53949e6131f6 | 697 | USBD_Ep_TypeDef *ep; |
| Kojto | 71:53949e6131f6 | 698 | #endif |
| Kojto | 71:53949e6131f6 | 699 | |
| Kojto | 71:53949e6131f6 | 700 | if ( USBD_poweredDown ) |
| Kojto | 71:53949e6131f6 | 701 | { |
| Kojto | 71:53949e6131f6 | 702 | USBD_poweredDown = false; |
| Kojto | 71:53949e6131f6 | 703 | DEBUG_USB_INT_LO_PUTCHAR( '/' ); |
| Kojto | 71:53949e6131f6 | 704 | |
| Kojto | 71:53949e6131f6 | 705 | #if !defined( USB_CORECLK_HFRCO ) || !defined( CMU_OSCENCMD_USHFRCOEN ) |
| Kojto | 71:53949e6131f6 | 706 | /* Switch HFCLK from HFRCO to HFXO. */ |
| Kojto | 71:53949e6131f6 | 707 | CMU_ClockSelectSet( cmuClock_HF, cmuSelect_HFXO ); |
| Kojto | 71:53949e6131f6 | 708 | #endif |
| Kojto | 71:53949e6131f6 | 709 | |
| Kojto | 71:53949e6131f6 | 710 | /* Turn off HFRCO when not needed. */ |
| Kojto | 71:53949e6131f6 | 711 | if ( ( cmuStatus & CMU_STATUS_HFRCOENS ) == 0 ) |
| Kojto | 71:53949e6131f6 | 712 | { |
| Kojto | 71:53949e6131f6 | 713 | CMU->OSCENCMD = CMU_OSCENCMD_HFRCODIS; |
| Kojto | 71:53949e6131f6 | 714 | } |
| Kojto | 71:53949e6131f6 | 715 | |
| Kojto | 71:53949e6131f6 | 716 | /* Exit partial powerdown mode. */ |
| Kojto | 71:53949e6131f6 | 717 | USB->PCGCCTL &= ~USB_PCGCCTL_STOPPCLK; |
| Kojto | 71:53949e6131f6 | 718 | USB->PCGCCTL &= ~(USB_PCGCCTL_PWRCLMP | USB_PCGCCTL_RSTPDWNMODULE); |
| Kojto | 71:53949e6131f6 | 719 | |
| Kojto | 71:53949e6131f6 | 720 | if (( USB->GINTSTS & ( USB_GINTSTS_WKUPINT | USB_GINTSTS_RESETDET ) ) == 0) |
| Kojto | 71:53949e6131f6 | 721 | { |
| Kojto | 71:53949e6131f6 | 722 | USB->DCTL = x_USB_DCTL | USB_DCTL_RMTWKUPSIG; |
| Kojto | 71:53949e6131f6 | 723 | USB->DCTL = x_USB_DCTL; |
| Kojto | 71:53949e6131f6 | 724 | } |
| Kojto | 71:53949e6131f6 | 725 | |
| Kojto | 71:53949e6131f6 | 726 | /* Restore USB core registers. */ |
| Kojto | 71:53949e6131f6 | 727 | USB->GUSBCFG = x_USB_GUSBCFG; |
| Kojto | 71:53949e6131f6 | 728 | USB->DCFG = x_USB_DCFG; |
| Kojto | 71:53949e6131f6 | 729 | |
| Kojto | 71:53949e6131f6 | 730 | #if ( FIFO_CNT > 0 ) |
| Kojto | 71:53949e6131f6 | 731 | for ( i = 0; i < FIFO_CNT; i++ ) |
| Kojto | 71:53949e6131f6 | 732 | { |
| Kojto | 71:53949e6131f6 | 733 | USB_DIEPTXFS[ i ] = x_USB_DIEPTXFS[ i ]; |
| Kojto | 71:53949e6131f6 | 734 | } |
| Kojto | 71:53949e6131f6 | 735 | #endif |
| Kojto | 71:53949e6131f6 | 736 | |
| Kojto | 71:53949e6131f6 | 737 | #if ( NUM_EP_USED > 0 ) |
| Kojto | 71:53949e6131f6 | 738 | for ( i = 0; i < NUM_EP_USED; i++ ) |
| Kojto | 71:53949e6131f6 | 739 | { |
| Kojto | 71:53949e6131f6 | 740 | ep = &dev->ep[ i+1 ]; |
| Kojto | 71:53949e6131f6 | 741 | epNum = ep->num; |
| Kojto | 71:53949e6131f6 | 742 | |
| Kojto | 71:53949e6131f6 | 743 | tmp = x_USB_EP_CTL[ i ] & |
| Kojto | 71:53949e6131f6 | 744 | ~( USB_DIEP_CTL_CNAK | USB_DIEP_CTL_SNAK | |
| Kojto | 71:53949e6131f6 | 745 | USB_DIEP_CTL_SETD0PIDEF | USB_DIEP_CTL_SETD1PIDOF ); |
| Kojto | 71:53949e6131f6 | 746 | |
| Kojto | 71:53949e6131f6 | 747 | if ( x_USB_EP_CTL[ i ] & USB_DIEP_CTL_DPIDEOF ) |
| Kojto | 71:53949e6131f6 | 748 | tmp |= USB_DIEP_CTL_SETD1PIDOF; |
| Kojto | 71:53949e6131f6 | 749 | else |
| Kojto | 71:53949e6131f6 | 750 | tmp |= USB_DIEP_CTL_SETD0PIDEF; |
| Kojto | 71:53949e6131f6 | 751 | |
| Kojto | 71:53949e6131f6 | 752 | if ( x_USB_EP_CTL[ i ] & USB_DIEP_CTL_NAKSTS ) |
| Kojto | 71:53949e6131f6 | 753 | tmp |= USB_DIEP_CTL_SNAK; |
| Kojto | 71:53949e6131f6 | 754 | else |
| Kojto | 71:53949e6131f6 | 755 | tmp |= USB_DIEP_CTL_CNAK; |
| Kojto | 71:53949e6131f6 | 756 | |
| Kojto | 71:53949e6131f6 | 757 | if ( ep->in ) |
| Kojto | 71:53949e6131f6 | 758 | { |
| Kojto | 71:53949e6131f6 | 759 | USB_DINEPS[ epNum ].CTL = tmp; |
| Kojto | 71:53949e6131f6 | 760 | USB_DINEPS[ epNum ].TSIZ = x_USB_EP_TSIZ[ i ]; |
| Kojto | 71:53949e6131f6 | 761 | USB_DINEPS[ epNum ].DMAADDR = x_USB_EP_DMAADDR[ i ]; |
| Kojto | 71:53949e6131f6 | 762 | } |
| Kojto | 71:53949e6131f6 | 763 | else |
| Kojto | 71:53949e6131f6 | 764 | { |
| Kojto | 71:53949e6131f6 | 765 | USB_DOUTEPS[ epNum ].CTL = tmp; |
| Kojto | 71:53949e6131f6 | 766 | USB_DOUTEPS[ epNum ].TSIZ = x_USB_EP_TSIZ[ i ]; |
| Kojto | 71:53949e6131f6 | 767 | USB_DOUTEPS[ epNum ].DMAADDR = x_USB_EP_DMAADDR[ i ]; |
| Kojto | 71:53949e6131f6 | 768 | } |
| Kojto | 71:53949e6131f6 | 769 | } |
| Kojto | 71:53949e6131f6 | 770 | #endif |
| Kojto | 71:53949e6131f6 | 771 | |
| Kojto | 71:53949e6131f6 | 772 | USB->PCGCCTL = x_USB_PCGCCTL; |
| Kojto | 71:53949e6131f6 | 773 | USB->DOEPMSK = x_USB_DOEPMSK; |
| Kojto | 71:53949e6131f6 | 774 | USB->DIEPMSK = x_USB_DIEPMSK; |
| Kojto | 71:53949e6131f6 | 775 | USB->DAINTMSK = x_USB_DAINTMSK; |
| Kojto | 71:53949e6131f6 | 776 | USB->DCTL = x_USB_DCTL; |
| Kojto | 71:53949e6131f6 | 777 | USB->GNPTXFSIZ = x_USB_GNPTXFSIZ; |
| Kojto | 71:53949e6131f6 | 778 | USB->GRXFSIZ = x_USB_GRXFSIZ; |
| Kojto | 71:53949e6131f6 | 779 | USB->GAHBCFG = x_USB_GAHBCFG; |
| Kojto | 71:53949e6131f6 | 780 | #if defined(_USB_GOTGCTL_MASK) |
| Kojto | 71:53949e6131f6 | 781 | USB->GOTGCTL = x_USB_GOTGCTL; |
| Kojto | 71:53949e6131f6 | 782 | #endif |
| Kojto | 71:53949e6131f6 | 783 | USB->GINTMSK = x_USB_GINTMSK; |
| Kojto | 71:53949e6131f6 | 784 | |
| Kojto | 71:53949e6131f6 | 785 | USB->DCTL |= USB_DCTL_PWRONPRGDONE; |
| Kojto | 71:53949e6131f6 | 786 | |
| Kojto | 71:53949e6131f6 | 787 | #if ( USB_PWRSAVE_MODE & USB_PWRSAVE_MODE_ENTEREM2 ) |
| Kojto | 71:53949e6131f6 | 788 | #ifndef __MBED__ |
| Kojto | 71:53949e6131f6 | 789 | /* Do not reenter EM2 on interrupt exit. */ |
| Kojto | 71:53949e6131f6 | 790 | SCB->SCR &= ~(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk); |
| Kojto | 71:53949e6131f6 | 791 | #else |
| Kojto | 71:53949e6131f6 | 792 | usbhal_allow_em2(false); |
| Kojto | 71:53949e6131f6 | 793 | #endif |
| Kojto | 71:53949e6131f6 | 794 | #endif |
| Kojto | 71:53949e6131f6 | 795 | |
| Kojto | 71:53949e6131f6 | 796 | return true; |
| Kojto | 71:53949e6131f6 | 797 | } |
| Kojto | 71:53949e6131f6 | 798 | return false; |
| Kojto | 71:53949e6131f6 | 799 | } |
| Kojto | 71:53949e6131f6 | 800 | #endif /* if ( USB_PWRSAVE_MODE ) */ |
| Kojto | 71:53949e6131f6 | 801 | |
| Kojto | 71:53949e6131f6 | 802 | #if defined( USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 803 | static void HandleOutEpIntr( uint32_t status, USBD_Ep_TypeDef *ep ) |
| Kojto | 71:53949e6131f6 | 804 | { |
| Kojto | 71:53949e6131f6 | 805 | uint32_t doeptsiz; |
| Kojto | 71:53949e6131f6 | 806 | |
| Kojto | 71:53949e6131f6 | 807 | if ( ep->num == 0 ) |
| Kojto | 71:53949e6131f6 | 808 | { |
| Kojto | 71:53949e6131f6 | 809 | if ( status & USB_DOEP0INT_XFERCOMPL ) |
| Kojto | 71:53949e6131f6 | 810 | { |
| Kojto | 71:53949e6131f6 | 811 | USB->DOEP0INT = USB_DOEP0INT_XFERCOMPL; |
| Kojto | 71:53949e6131f6 | 812 | doeptsiz = USB->DOEP0TSIZ; |
| Kojto | 71:53949e6131f6 | 813 | |
| Kojto | 71:53949e6131f6 | 814 | if ( ep->state == D_EP_IDLE ) |
| Kojto | 71:53949e6131f6 | 815 | { |
| Kojto | 71:53949e6131f6 | 816 | if ( status & USB_DOEP0INT_STUPPKTRCVD ) |
| Kojto | 71:53949e6131f6 | 817 | { |
| Kojto | 71:53949e6131f6 | 818 | USB->DOEP0INT = USB_DOEP0INT_STUPPKTRCVD; |
| Kojto | 71:53949e6131f6 | 819 | } |
| Kojto | 71:53949e6131f6 | 820 | status = USBDHAL_GetOutEpInts( ep ); |
| Kojto | 71:53949e6131f6 | 821 | doeptsiz = USB->DOEP0TSIZ; |
| Kojto | 71:53949e6131f6 | 822 | |
| Kojto | 71:53949e6131f6 | 823 | if ( status & USB_DOEP0INT_SETUP ) |
| Kojto | 71:53949e6131f6 | 824 | { |
| Kojto | 71:53949e6131f6 | 825 | retry: |
| Kojto | 71:53949e6131f6 | 826 | /* Already started data stage, clear setup */ |
| Kojto | 71:53949e6131f6 | 827 | USB->DOEP0INT = USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 828 | status &= ~USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 829 | { |
| Kojto | 71:53949e6131f6 | 830 | int supCnt = ( doeptsiz & _USB_DOEP0TSIZ_SUPCNT_MASK ) |
| Kojto | 71:53949e6131f6 | 831 | >> _USB_DOEP0TSIZ_SUPCNT_SHIFT; |
| Kojto | 71:53949e6131f6 | 832 | |
| Kojto | 71:53949e6131f6 | 833 | if ( supCnt == 3 ) |
| Kojto | 71:53949e6131f6 | 834 | supCnt = 2; |
| Kojto | 71:53949e6131f6 | 835 | |
| Kojto | 71:53949e6131f6 | 836 | dev->setup = &dev->setupPkt[ 2 - supCnt ]; |
| Kojto | 71:53949e6131f6 | 837 | } |
| Kojto | 71:53949e6131f6 | 838 | DEBUG_USB_INT_LO_PUTS( "\nS" ); |
| Kojto | 71:53949e6131f6 | 839 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 840 | |
| Kojto | 71:53949e6131f6 | 841 | /* Prepare for more setup packets */ |
| Kojto | 71:53949e6131f6 | 842 | if ( ep->state == D_EP0_IN_STATUS || ep->state == D_EP_TRANSMITTING ) |
| Kojto | 71:53949e6131f6 | 843 | { |
| Kojto | 71:53949e6131f6 | 844 | USBDHAL_StartEp0Setup( dev ); |
| Kojto | 71:53949e6131f6 | 845 | } |
| Kojto | 71:53949e6131f6 | 846 | } |
| Kojto | 71:53949e6131f6 | 847 | else /* xfercompl && idle && !setup */ |
| Kojto | 71:53949e6131f6 | 848 | { |
| Kojto | 71:53949e6131f6 | 849 | status = USBDHAL_GetOutEpInts( ep ); |
| Kojto | 71:53949e6131f6 | 850 | if ( status & USB_DOEP0INT_SETUP ) |
| Kojto | 71:53949e6131f6 | 851 | goto retry; |
| Kojto | 71:53949e6131f6 | 852 | USBDHAL_StartEp0Setup( dev ); |
| Kojto | 71:53949e6131f6 | 853 | } |
| Kojto | 71:53949e6131f6 | 854 | } |
| Kojto | 71:53949e6131f6 | 855 | else /* ep0state != EP0_IDLE */ |
| Kojto | 71:53949e6131f6 | 856 | { |
| Kojto | 71:53949e6131f6 | 857 | #ifdef __MBED__ |
| Kojto | 71:53949e6131f6 | 858 | if ( ep->state == D_EP_RECEIVING ) |
| Kojto | 71:53949e6131f6 | 859 | { |
| Kojto | 71:53949e6131f6 | 860 | int xfer_size = ep->packetSize - (( USB->DOEP0TSIZ & _USB_DOEP0TSIZ_XFERSIZE_MASK ) |
| Kojto | 71:53949e6131f6 | 861 | >> _USB_DOEP0TSIZ_XFERSIZE_SHIFT); |
| Kojto | 71:53949e6131f6 | 862 | int setup_pkt_received = status & USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 863 | |
| Kojto | 71:53949e6131f6 | 864 | if ( (!setup_pkt_received && xfer_size == 0) || |
| Kojto | 71:53949e6131f6 | 865 | (setup_pkt_received && xfer_size == 8) ) |
| Kojto | 71:53949e6131f6 | 866 | { |
| Kojto | 71:53949e6131f6 | 867 | /* Higher levels need to see the correct transfer amount for ZLPs */ |
| Kojto | 71:53949e6131f6 | 868 | ep->remaining = 0; |
| Kojto | 71:53949e6131f6 | 869 | ep->xferred = 0; |
| Kojto | 71:53949e6131f6 | 870 | } |
| Kojto | 71:53949e6131f6 | 871 | else |
| Kojto | 71:53949e6131f6 | 872 | { |
| Kojto | 71:53949e6131f6 | 873 | /* FIXME - does not work if actual read size > 56 */ |
| Kojto | 71:53949e6131f6 | 874 | if ( setup_pkt_received ) xfer_size -= 8; |
| Kojto | 71:53949e6131f6 | 875 | |
| Kojto | 71:53949e6131f6 | 876 | ep->xferred = xfer_size; |
| Kojto | 71:53949e6131f6 | 877 | ep->remaining -= xfer_size; |
| Kojto | 71:53949e6131f6 | 878 | } |
| Kojto | 71:53949e6131f6 | 879 | |
| Kojto | 71:53949e6131f6 | 880 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 881 | } |
| Kojto | 71:53949e6131f6 | 882 | #else |
| Kojto | 71:53949e6131f6 | 883 | if ( ep->state == D_EP_RECEIVING ) |
| Kojto | 71:53949e6131f6 | 884 | { |
| Kojto | 71:53949e6131f6 | 885 | if ( ep->remaining > ep->packetSize ) |
| Kojto | 71:53949e6131f6 | 886 | { |
| Kojto | 71:53949e6131f6 | 887 | ep->remaining -= ep->packetSize; |
| Kojto | 71:53949e6131f6 | 888 | ep->xferred += ep->packetSize; |
| Kojto | 71:53949e6131f6 | 889 | } |
| Kojto | 71:53949e6131f6 | 890 | else |
| Kojto | 71:53949e6131f6 | 891 | { |
| Kojto | 71:53949e6131f6 | 892 | ep->xferred += ep->remaining; |
| Kojto | 71:53949e6131f6 | 893 | ep->remaining = 0; |
| Kojto | 71:53949e6131f6 | 894 | } |
| Kojto | 71:53949e6131f6 | 895 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 896 | } |
| Kojto | 71:53949e6131f6 | 897 | else if ( ep->state == D_EP0_OUT_STATUS ) |
| Kojto | 71:53949e6131f6 | 898 | { |
| Kojto | 71:53949e6131f6 | 899 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 900 | } |
| Kojto | 71:53949e6131f6 | 901 | #endif |
| Kojto | 71:53949e6131f6 | 902 | } |
| Kojto | 71:53949e6131f6 | 903 | } /* if ( status & USB_DOEP0INT_XFERCOMPL ) */ |
| Kojto | 71:53949e6131f6 | 904 | |
| Kojto | 71:53949e6131f6 | 905 | if ( status & USB_DOEP0INT_STSPHSERCVD ) |
| Kojto | 71:53949e6131f6 | 906 | { |
| Kojto | 71:53949e6131f6 | 907 | USB->DOEP0INT = USB_DOEP0INT_STSPHSERCVD; |
| Kojto | 71:53949e6131f6 | 908 | } |
| Kojto | 71:53949e6131f6 | 909 | |
| Kojto | 71:53949e6131f6 | 910 | if ( status & USB_DOEP0INT_SETUP ) |
| Kojto | 71:53949e6131f6 | 911 | { |
| Kojto | 71:53949e6131f6 | 912 | USB->DOEP0INT = USB_DOEP0INT_SETUP; |
| Kojto | 71:53949e6131f6 | 913 | { |
| Kojto | 71:53949e6131f6 | 914 | int supCnt = ( USB->DOEP0TSIZ & _USB_DOEP0TSIZ_SUPCNT_MASK ) |
| Kojto | 71:53949e6131f6 | 915 | >> _USB_DOEP0TSIZ_SUPCNT_SHIFT; |
| Kojto | 71:53949e6131f6 | 916 | |
| Kojto | 71:53949e6131f6 | 917 | if ( supCnt == 3 ) |
| Kojto | 71:53949e6131f6 | 918 | supCnt = 2; |
| Kojto | 71:53949e6131f6 | 919 | |
| Kojto | 71:53949e6131f6 | 920 | dev->setup = &dev->setupPkt[ 2 - supCnt ]; |
| Kojto | 71:53949e6131f6 | 921 | } |
| Kojto | 71:53949e6131f6 | 922 | DEBUG_USB_INT_LO_PUTS( "\nS" ); |
| Kojto | 71:53949e6131f6 | 923 | USBDEP_Ep0Handler( dev ); |
| Kojto | 71:53949e6131f6 | 924 | } |
| Kojto | 71:53949e6131f6 | 925 | } |
| Kojto | 71:53949e6131f6 | 926 | else /* epnum != 0 */ |
| Kojto | 71:53949e6131f6 | 927 | { |
| Kojto | 71:53949e6131f6 | 928 | if ( status & USB_DOEP_INT_XFERCOMPL ) |
| Kojto | 71:53949e6131f6 | 929 | { |
| Kojto | 71:53949e6131f6 | 930 | USB_DOUTEPS[ ep->num ].INT = USB_DOEP_INT_XFERCOMPL; |
| Kojto | 71:53949e6131f6 | 931 | |
| Kojto | 71:53949e6131f6 | 932 | ep->xferred = ep->hwXferSize - |
| Kojto | 71:53949e6131f6 | 933 | ( ( USB_DOUTEPS[ ep->num ].TSIZ & _USB_DOEP_TSIZ_XFERSIZE_MASK )>> |
| Kojto | 71:53949e6131f6 | 934 | _USB_DOEP_TSIZ_XFERSIZE_SHIFT ); |
| Kojto | 71:53949e6131f6 | 935 | ep->remaining -= ep->xferred; |
| Kojto | 71:53949e6131f6 | 936 | |
| Kojto | 71:53949e6131f6 | 937 | USBDEP_EpHandler( ep->addr ); |
| Kojto | 71:53949e6131f6 | 938 | } |
| Kojto | 71:53949e6131f6 | 939 | } |
| Kojto | 71:53949e6131f6 | 940 | } |
| Kojto | 71:53949e6131f6 | 941 | #endif |
| Kojto | 71:53949e6131f6 | 942 | |
| Kojto | 71:53949e6131f6 | 943 | /** @endcond */ |
| Kojto | 71:53949e6131f6 | 944 | |
| Kojto | 71:53949e6131f6 | 945 | #endif /* defined( USB_DEVICE ) */ |
| Kojto | 71:53949e6131f6 | 946 | #endif /* defined( USB_PRESENT ) && ( USB_COUNT == 1 ) */ |