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USB device stack
Dependents: mbed-mX-USB-TEST1 USBMSD_SD_HID_HelloWorld HidTest MIDI_usb_bridge ... more
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targets/TARGET_Silicon_Labs/USBHAL_EFM32.cpp@71:53949e6131f6, 2017-07-27 (annotated)
- Committer:
- Kojto
- Date:
- Thu Jul 27 12:14:04 2017 +0100
- Revision:
- 71:53949e6131f6
Update libraries
Fixes the previous commmit, as some devices were not copied. USBDevice contains
now targets directory with all targets implementations
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Kojto | 71:53949e6131f6 | 1 | /* Copyright 2015 Silicon Labs, http://www.silabs.com |
| Kojto | 71:53949e6131f6 | 2 | * |
| Kojto | 71:53949e6131f6 | 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| Kojto | 71:53949e6131f6 | 4 | * you may not use this file except in compliance with the License. |
| Kojto | 71:53949e6131f6 | 5 | * You may obtain a copy of the License at |
| Kojto | 71:53949e6131f6 | 6 | * |
| Kojto | 71:53949e6131f6 | 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| Kojto | 71:53949e6131f6 | 8 | * |
| Kojto | 71:53949e6131f6 | 9 | * Unless required by applicable law or agreed to in writing, software |
| Kojto | 71:53949e6131f6 | 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| Kojto | 71:53949e6131f6 | 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| Kojto | 71:53949e6131f6 | 12 | * See the License for the specific language governing permissions and |
| Kojto | 71:53949e6131f6 | 13 | * limitations under the License. |
| Kojto | 71:53949e6131f6 | 14 | */ |
| Kojto | 71:53949e6131f6 | 15 | |
| Kojto | 71:53949e6131f6 | 16 | #if defined TARGET_EFM32GG_STK3700 || \ |
| Kojto | 71:53949e6131f6 | 17 | defined TARGET_EFM32LG_STK3600 || \ |
| Kojto | 71:53949e6131f6 | 18 | defined TARGET_EFM32WG_STK3800 || \ |
| Kojto | 71:53949e6131f6 | 19 | defined TARGET_EFM32HG_STK3400 |
| Kojto | 71:53949e6131f6 | 20 | |
| Kojto | 71:53949e6131f6 | 21 | #include "USBHAL.h" |
| Kojto | 71:53949e6131f6 | 22 | #include "em_usb.h" |
| Kojto | 71:53949e6131f6 | 23 | #include "em_usbtypes.h" |
| Kojto | 71:53949e6131f6 | 24 | #include "em_usbhal.h" |
| Kojto | 71:53949e6131f6 | 25 | #include "em_usbd.h" |
| Kojto | 71:53949e6131f6 | 26 | |
| Kojto | 71:53949e6131f6 | 27 | #include "sleepmodes.h" |
| Kojto | 71:53949e6131f6 | 28 | |
| Kojto | 71:53949e6131f6 | 29 | enum USBISRCommand { |
| Kojto | 71:53949e6131f6 | 30 | CMD_HANDLED = 0, |
| Kojto | 71:53949e6131f6 | 31 | CMD_EP0SETUP, |
| Kojto | 71:53949e6131f6 | 32 | CMD_EP0IN, |
| Kojto | 71:53949e6131f6 | 33 | CMD_EP0OUT, |
| Kojto | 71:53949e6131f6 | 34 | CMD_EP_XFER_COMPLETED, |
| Kojto | 71:53949e6131f6 | 35 | CMD_SOF, |
| Kojto | 71:53949e6131f6 | 36 | CMD_BUSRESET, |
| Kojto | 71:53949e6131f6 | 37 | CMD_SUSPEND_STATE_CHANGED, |
| Kojto | 71:53949e6131f6 | 38 | CMD_ENUM_END_MARKER |
| Kojto | 71:53949e6131f6 | 39 | }; |
| Kojto | 71:53949e6131f6 | 40 | |
| Kojto | 71:53949e6131f6 | 41 | enum IEPStatus { |
| Kojto | 71:53949e6131f6 | 42 | NOT_CONFIGURED = 0, |
| Kojto | 71:53949e6131f6 | 43 | IDLE = 1, |
| Kojto | 71:53949e6131f6 | 44 | READ_PENDING = 2, |
| Kojto | 71:53949e6131f6 | 45 | WRITE_PENDING = 3, |
| Kojto | 71:53949e6131f6 | 46 | READ_COMPLETE = 4, |
| Kojto | 71:53949e6131f6 | 47 | WRITE_COMPLETE = 5, |
| Kojto | 71:53949e6131f6 | 48 | FAILED_INVALID = 6, |
| Kojto | 71:53949e6131f6 | 49 | FAILED_STALLED = 7 |
| Kojto | 71:53949e6131f6 | 50 | }; |
| Kojto | 71:53949e6131f6 | 51 | |
| Kojto | 71:53949e6131f6 | 52 | typedef struct { |
| Kojto | 71:53949e6131f6 | 53 | IEPStatus status; |
| Kojto | 71:53949e6131f6 | 54 | uint32_t byte_count; |
| Kojto | 71:53949e6131f6 | 55 | uint32_t max_packet; |
| Kojto | 71:53949e6131f6 | 56 | USB_XferCompleteCb_TypeDef intern_cb; |
| Kojto | 71:53949e6131f6 | 57 | uint8_t *data_buf; |
| Kojto | 71:53949e6131f6 | 58 | } ep_state_t; |
| Kojto | 71:53949e6131f6 | 59 | |
| Kojto | 71:53949e6131f6 | 60 | USBHAL * USBHAL::instance; |
| Kojto | 71:53949e6131f6 | 61 | static uint8_t ep0setupdata[8]; |
| Kojto | 71:53949e6131f6 | 62 | static ep_state_t ep_state[NUMBER_OF_ENDPOINTS]; |
| Kojto | 71:53949e6131f6 | 63 | #ifdef USB_USE_DYNAMIC_MEMORY |
| Kojto | 71:53949e6131f6 | 64 | static uint8_t ep0in_data_buf[MAX_PACKET_SIZE_EP0] __attribute__ ((aligned (4))); |
| Kojto | 71:53949e6131f6 | 65 | static uint8_t ep0out_data_buf[MAX_PACKET_SIZE_EP0]; // FIXME: does this need to be this big? |
| Kojto | 71:53949e6131f6 | 66 | #else |
| Kojto | 71:53949e6131f6 | 67 | static uint8_t ep_data_buf[NUMBER_OF_ENDPOINTS][64] __attribute__ ((aligned (4))); |
| Kojto | 71:53949e6131f6 | 68 | #endif |
| Kojto | 71:53949e6131f6 | 69 | |
| Kojto | 71:53949e6131f6 | 70 | static void run_cmd(USBISRCommand cmd, uint32_t param); |
| Kojto | 71:53949e6131f6 | 71 | static void (*isrptr)() = NULL; |
| Kojto | 71:53949e6131f6 | 72 | static USBISRCommand usb_isrcmd = CMD_HANDLED; |
| Kojto | 71:53949e6131f6 | 73 | static uint32_t usb_isrcmd_param = 0; |
| Kojto | 71:53949e6131f6 | 74 | |
| Kojto | 71:53949e6131f6 | 75 | extern "C" void usbhal_allow_em2(bool allow_em2); |
| Kojto | 71:53949e6131f6 | 76 | |
| Kojto | 71:53949e6131f6 | 77 | #ifdef DEBUG_USB_API |
| Kojto | 71:53949e6131f6 | 78 | #define TRACE(fmt,...) printf("USB: %s: " fmt "\n", __func__, __VA_ARGS__); |
| Kojto | 71:53949e6131f6 | 79 | #define TRACE_FUNC_IN printf("USB: > %s\n",__func__); |
| Kojto | 71:53949e6131f6 | 80 | #define TRACE_FUNC_IN_P(fmt, ...) printf("USB: > %s: " fmt "\n", __func__, __VA_ARGS__); |
| Kojto | 71:53949e6131f6 | 81 | #else |
| Kojto | 71:53949e6131f6 | 82 | #define TRACE(fmt,...) |
| Kojto | 71:53949e6131f6 | 83 | #define TRACE_FUNC_IN |
| Kojto | 71:53949e6131f6 | 84 | #define TRACE_FUNC_IN_P(fmt, ...) |
| Kojto | 71:53949e6131f6 | 85 | #endif |
| Kojto | 71:53949e6131f6 | 86 | |
| Kojto | 71:53949e6131f6 | 87 | static EP_STATUS internEndpointRead(uint8_t ep, uint32_t maxSize); |
| Kojto | 71:53949e6131f6 | 88 | |
| Kojto | 71:53949e6131f6 | 89 | static int usbhal_xfer_complete_cb(uint8_t epaddr, USB_Status_TypeDef status, |
| Kojto | 71:53949e6131f6 | 90 | uint32_t xferred, uint32_t remaining); |
| Kojto | 71:53949e6131f6 | 91 | static void usbhal_free_buffers(void); |
| Kojto | 71:53949e6131f6 | 92 | |
| Kojto | 71:53949e6131f6 | 93 | /* Internal EP transfer complete callbacks */ |
| Kojto | 71:53949e6131f6 | 94 | #define EPCB(n) static int usbhal_xfer_complete_cb_##n(USB_Status_TypeDef status, \ |
| Kojto | 71:53949e6131f6 | 95 | uint32_t xferred, uint32_t remaining) { \ |
| Kojto | 71:53949e6131f6 | 96 | return usbhal_xfer_complete_cb(n, status, xferred, remaining); \ |
| Kojto | 71:53949e6131f6 | 97 | } |
| Kojto | 71:53949e6131f6 | 98 | /* ------^ */ |
| Kojto | 71:53949e6131f6 | 99 | EPCB(EP0OUT) |
| Kojto | 71:53949e6131f6 | 100 | EPCB(EP0IN) |
| Kojto | 71:53949e6131f6 | 101 | EPCB(EP1OUT) |
| Kojto | 71:53949e6131f6 | 102 | EPCB(EP1IN) |
| Kojto | 71:53949e6131f6 | 103 | EPCB(EP2OUT) |
| Kojto | 71:53949e6131f6 | 104 | EPCB(EP2IN) |
| Kojto | 71:53949e6131f6 | 105 | EPCB(EP3OUT) |
| Kojto | 71:53949e6131f6 | 106 | EPCB(EP3IN) |
| Kojto | 71:53949e6131f6 | 107 | #ifndef TARGET_EFM32HG_STK3400 |
| Kojto | 71:53949e6131f6 | 108 | EPCB(EP4OUT) |
| Kojto | 71:53949e6131f6 | 109 | EPCB(EP4IN) |
| Kojto | 71:53949e6131f6 | 110 | EPCB(EP5OUT) |
| Kojto | 71:53949e6131f6 | 111 | EPCB(EP5IN) |
| Kojto | 71:53949e6131f6 | 112 | EPCB(EP6OUT) |
| Kojto | 71:53949e6131f6 | 113 | EPCB(EP6IN) |
| Kojto | 71:53949e6131f6 | 114 | #endif |
| Kojto | 71:53949e6131f6 | 115 | |
| Kojto | 71:53949e6131f6 | 116 | static inline bool is_aligned(const void *pointer, size_t byte_count) |
| Kojto | 71:53949e6131f6 | 117 | { |
| Kojto | 71:53949e6131f6 | 118 | return ((uintptr_t)pointer % byte_count == 0); |
| Kojto | 71:53949e6131f6 | 119 | } |
| Kojto | 71:53949e6131f6 | 120 | |
| Kojto | 71:53949e6131f6 | 121 | USBHAL::USBHAL(void) |
| Kojto | 71:53949e6131f6 | 122 | { |
| Kojto | 71:53949e6131f6 | 123 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 124 | |
| Kojto | 71:53949e6131f6 | 125 | isrptr = &USBHAL::_usbisr; |
| Kojto | 71:53949e6131f6 | 126 | |
| Kojto | 71:53949e6131f6 | 127 | if (instance) { |
| Kojto | 71:53949e6131f6 | 128 | TRACE("Assert self failed! instance=%p", instance); |
| Kojto | 71:53949e6131f6 | 129 | abort(); |
| Kojto | 71:53949e6131f6 | 130 | } |
| Kojto | 71:53949e6131f6 | 131 | instance = this; |
| Kojto | 71:53949e6131f6 | 132 | |
| Kojto | 71:53949e6131f6 | 133 | // When USB is active, we can't go below EM1. This block may |
| Kojto | 71:53949e6131f6 | 134 | // be dynamically removed/reinstated to allow deeper sleep. |
| Kojto | 71:53949e6131f6 | 135 | usbhal_allow_em2(false); |
| Kojto | 71:53949e6131f6 | 136 | |
| Kojto | 71:53949e6131f6 | 137 | // When in suspend / Vbus off we can go to EM2, but never below |
| Kojto | 71:53949e6131f6 | 138 | // that as long as USB is being used. Despite the name the call here |
| Kojto | 71:53949e6131f6 | 139 | // blocks entering modes _below_ EM2, but allows EM2. |
| Kojto | 71:53949e6131f6 | 140 | blockSleepMode(EM2); |
| Kojto | 71:53949e6131f6 | 141 | |
| Kojto | 71:53949e6131f6 | 142 | epCallback[EP0OUT] = NULL; |
| Kojto | 71:53949e6131f6 | 143 | epCallback[EP0IN ] = NULL; |
| Kojto | 71:53949e6131f6 | 144 | epCallback[EP1OUT] = &USBHAL::EP1_OUT_callback; |
| Kojto | 71:53949e6131f6 | 145 | epCallback[EP1IN ] = &USBHAL::EP1_IN_callback; |
| Kojto | 71:53949e6131f6 | 146 | epCallback[EP2OUT] = &USBHAL::EP2_OUT_callback; |
| Kojto | 71:53949e6131f6 | 147 | epCallback[EP2IN ] = &USBHAL::EP2_IN_callback; |
| Kojto | 71:53949e6131f6 | 148 | epCallback[EP3OUT] = &USBHAL::EP3_OUT_callback; |
| Kojto | 71:53949e6131f6 | 149 | epCallback[EP3IN ] = &USBHAL::EP3_IN_callback; |
| Kojto | 71:53949e6131f6 | 150 | #ifndef TARGET_EFM32HG_STK3400 |
| Kojto | 71:53949e6131f6 | 151 | epCallback[EP4OUT] = &USBHAL::EP4_OUT_callback; |
| Kojto | 71:53949e6131f6 | 152 | epCallback[EP4IN ] = &USBHAL::EP4_IN_callback; |
| Kojto | 71:53949e6131f6 | 153 | epCallback[EP5OUT] = &USBHAL::EP5_OUT_callback; |
| Kojto | 71:53949e6131f6 | 154 | epCallback[EP5IN ] = &USBHAL::EP5_IN_callback; |
| Kojto | 71:53949e6131f6 | 155 | epCallback[EP6OUT] = &USBHAL::EP6_OUT_callback; |
| Kojto | 71:53949e6131f6 | 156 | epCallback[EP6IN ] = &USBHAL::EP6_IN_callback; |
| Kojto | 71:53949e6131f6 | 157 | #endif |
| Kojto | 71:53949e6131f6 | 158 | |
| Kojto | 71:53949e6131f6 | 159 | memset(ep_state, 0, sizeof(ep_state)); |
| Kojto | 71:53949e6131f6 | 160 | |
| Kojto | 71:53949e6131f6 | 161 | ep_state[EP0OUT].intern_cb = usbhal_xfer_complete_cb_EP0OUT; |
| Kojto | 71:53949e6131f6 | 162 | ep_state[EP0IN ].intern_cb = usbhal_xfer_complete_cb_EP0IN; |
| Kojto | 71:53949e6131f6 | 163 | ep_state[EP1OUT].intern_cb = usbhal_xfer_complete_cb_EP1OUT; |
| Kojto | 71:53949e6131f6 | 164 | ep_state[EP1IN ].intern_cb = usbhal_xfer_complete_cb_EP1IN; |
| Kojto | 71:53949e6131f6 | 165 | ep_state[EP2OUT].intern_cb = usbhal_xfer_complete_cb_EP2OUT; |
| Kojto | 71:53949e6131f6 | 166 | ep_state[EP2IN ].intern_cb = usbhal_xfer_complete_cb_EP2IN; |
| Kojto | 71:53949e6131f6 | 167 | ep_state[EP3OUT].intern_cb = usbhal_xfer_complete_cb_EP3OUT; |
| Kojto | 71:53949e6131f6 | 168 | ep_state[EP3IN ].intern_cb = usbhal_xfer_complete_cb_EP3IN; |
| Kojto | 71:53949e6131f6 | 169 | #ifndef TARGET_EFM32HG_STK3400 |
| Kojto | 71:53949e6131f6 | 170 | ep_state[EP4OUT].intern_cb = usbhal_xfer_complete_cb_EP4OUT; |
| Kojto | 71:53949e6131f6 | 171 | ep_state[EP4IN ].intern_cb = usbhal_xfer_complete_cb_EP4IN; |
| Kojto | 71:53949e6131f6 | 172 | ep_state[EP5OUT].intern_cb = usbhal_xfer_complete_cb_EP5OUT; |
| Kojto | 71:53949e6131f6 | 173 | ep_state[EP5IN ].intern_cb = usbhal_xfer_complete_cb_EP5IN; |
| Kojto | 71:53949e6131f6 | 174 | ep_state[EP6OUT].intern_cb = usbhal_xfer_complete_cb_EP6OUT; |
| Kojto | 71:53949e6131f6 | 175 | ep_state[EP6IN ].intern_cb = usbhal_xfer_complete_cb_EP6IN; |
| Kojto | 71:53949e6131f6 | 176 | #endif |
| Kojto | 71:53949e6131f6 | 177 | |
| Kojto | 71:53949e6131f6 | 178 | #ifdef USB_USE_DYNAMIC_MEMORY |
| Kojto | 71:53949e6131f6 | 179 | ep_state[EP0OUT].data_buf = ep0out_data_buf; |
| Kojto | 71:53949e6131f6 | 180 | ep_state[EP0IN].data_buf = ep0in_data_buf; |
| Kojto | 71:53949e6131f6 | 181 | #else |
| Kojto | 71:53949e6131f6 | 182 | for (int i=0 ; i<NUMBER_OF_ENDPOINTS ; i++) { |
| Kojto | 71:53949e6131f6 | 183 | ep_state[i].data_buf = ep_data_buf[i]; |
| Kojto | 71:53949e6131f6 | 184 | } |
| Kojto | 71:53949e6131f6 | 185 | #endif |
| Kojto | 71:53949e6131f6 | 186 | } |
| Kojto | 71:53949e6131f6 | 187 | |
| Kojto | 71:53949e6131f6 | 188 | USBHAL::~USBHAL(void) |
| Kojto | 71:53949e6131f6 | 189 | { |
| Kojto | 71:53949e6131f6 | 190 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 191 | USBD_AbortAllTransfers(); |
| Kojto | 71:53949e6131f6 | 192 | USBD_Disconnect(); |
| Kojto | 71:53949e6131f6 | 193 | usbhal_free_buffers(); |
| Kojto | 71:53949e6131f6 | 194 | |
| Kojto | 71:53949e6131f6 | 195 | usbhal_allow_em2(true); |
| Kojto | 71:53949e6131f6 | 196 | unblockSleepMode(EM2); |
| Kojto | 71:53949e6131f6 | 197 | } |
| Kojto | 71:53949e6131f6 | 198 | |
| Kojto | 71:53949e6131f6 | 199 | extern "C" void usbhal_allow_em2(bool allow_em2) |
| Kojto | 71:53949e6131f6 | 200 | { |
| Kojto | 71:53949e6131f6 | 201 | if (allow_em2) { |
| Kojto | 71:53949e6131f6 | 202 | // unblockSleepMode is safe to call even if we would unblock |
| Kojto | 71:53949e6131f6 | 203 | // an already unblocked mode, so no checks here. |
| Kojto | 71:53949e6131f6 | 204 | unblockSleepMode(EM1); |
| Kojto | 71:53949e6131f6 | 205 | } else { |
| Kojto | 71:53949e6131f6 | 206 | blockSleepMode(EM1); |
| Kojto | 71:53949e6131f6 | 207 | } |
| Kojto | 71:53949e6131f6 | 208 | } |
| Kojto | 71:53949e6131f6 | 209 | |
| Kojto | 71:53949e6131f6 | 210 | static void usbhal_reset_cb(void) |
| Kojto | 71:53949e6131f6 | 211 | { |
| Kojto | 71:53949e6131f6 | 212 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 213 | run_cmd(CMD_BUSRESET, 0); |
| Kojto | 71:53949e6131f6 | 214 | } |
| Kojto | 71:53949e6131f6 | 215 | |
| Kojto | 71:53949e6131f6 | 216 | #ifdef DEBUG_USB_API |
| Kojto | 71:53949e6131f6 | 217 | static const char *usbstate[] = { "NONE", "ATTACHED", "POWERED", "DEFAULT", |
| Kojto | 71:53949e6131f6 | 218 | "ADDRESSED", "CONFIGURED", "SUSPENDED", "???" }; |
| Kojto | 71:53949e6131f6 | 219 | #endif |
| Kojto | 71:53949e6131f6 | 220 | |
| Kojto | 71:53949e6131f6 | 221 | static void usbhal_state_change_cb(USBD_State_TypeDef oldState, |
| Kojto | 71:53949e6131f6 | 222 | USBD_State_TypeDef newState) |
| Kojto | 71:53949e6131f6 | 223 | { |
| Kojto | 71:53949e6131f6 | 224 | TRACE("state changed %s -> %s", usbstate[oldState], usbstate[newState]); |
| Kojto | 71:53949e6131f6 | 225 | |
| Kojto | 71:53949e6131f6 | 226 | if (oldState == USBD_STATE_SUSPENDED) { |
| Kojto | 71:53949e6131f6 | 227 | run_cmd(CMD_SUSPEND_STATE_CHANGED, 0); |
| Kojto | 71:53949e6131f6 | 228 | } |
| Kojto | 71:53949e6131f6 | 229 | |
| Kojto | 71:53949e6131f6 | 230 | if (newState == USBD_STATE_SUSPENDED) { |
| Kojto | 71:53949e6131f6 | 231 | run_cmd(CMD_SUSPEND_STATE_CHANGED, 1); |
| Kojto | 71:53949e6131f6 | 232 | } |
| Kojto | 71:53949e6131f6 | 233 | |
| Kojto | 71:53949e6131f6 | 234 | // Should call connectStateChanged from here as well but there is |
| Kojto | 71:53949e6131f6 | 235 | // no documentation on when to actually do so. (And the implementation |
| Kojto | 71:53949e6131f6 | 236 | // in USBDevice.cpp is a stub) |
| Kojto | 71:53949e6131f6 | 237 | |
| Kojto | 71:53949e6131f6 | 238 | // HACK! Since connectStateChanged is not used, indicate the loss |
| Kojto | 71:53949e6131f6 | 239 | // off connection by reporting a bus reset. This causes USBDevice |
| Kojto | 71:53949e6131f6 | 240 | // to realise that at least it's not in CONFIGURED anymore, and |
| Kojto | 71:53949e6131f6 | 241 | // stop trying to read/write in a busyloop. |
| Kojto | 71:53949e6131f6 | 242 | if (newState == USBD_STATE_NONE) { |
| Kojto | 71:53949e6131f6 | 243 | run_cmd(CMD_BUSRESET, 0); |
| Kojto | 71:53949e6131f6 | 244 | } |
| Kojto | 71:53949e6131f6 | 245 | } |
| Kojto | 71:53949e6131f6 | 246 | |
| Kojto | 71:53949e6131f6 | 247 | static int usbhal_setupcmd_cb(const USB_Setup_TypeDef *setup) |
| Kojto | 71:53949e6131f6 | 248 | { |
| Kojto | 71:53949e6131f6 | 249 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 250 | if (!setup) { |
| Kojto | 71:53949e6131f6 | 251 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 252 | return USB_STATUS_REQ_ERR; |
| Kojto | 71:53949e6131f6 | 253 | } |
| Kojto | 71:53949e6131f6 | 254 | |
| Kojto | 71:53949e6131f6 | 255 | memcpy(ep0setupdata, setup, 8); |
| Kojto | 71:53949e6131f6 | 256 | run_cmd(CMD_EP0SETUP, 0); |
| Kojto | 71:53949e6131f6 | 257 | |
| Kojto | 71:53949e6131f6 | 258 | return USB_STATUS_OK; |
| Kojto | 71:53949e6131f6 | 259 | } |
| Kojto | 71:53949e6131f6 | 260 | |
| Kojto | 71:53949e6131f6 | 261 | static void usbhal_sof_cb(uint16_t frameNum) |
| Kojto | 71:53949e6131f6 | 262 | { |
| Kojto | 71:53949e6131f6 | 263 | run_cmd(CMD_SOF, frameNum); |
| Kojto | 71:53949e6131f6 | 264 | } |
| Kojto | 71:53949e6131f6 | 265 | |
| Kojto | 71:53949e6131f6 | 266 | static void usbhal_free_buffers(void) |
| Kojto | 71:53949e6131f6 | 267 | { |
| Kojto | 71:53949e6131f6 | 268 | #ifdef USB_USE_DYNAMIC_MEMORY |
| Kojto | 71:53949e6131f6 | 269 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 270 | |
| Kojto | 71:53949e6131f6 | 271 | for (int i=EP1OUT ; i<NUMBER_OF_ENDPOINTS ; i++ ) { |
| Kojto | 71:53949e6131f6 | 272 | if (ep_state[i].data_buf) { |
| Kojto | 71:53949e6131f6 | 273 | free(ep_state[i].data_buf); |
| Kojto | 71:53949e6131f6 | 274 | ep_state[i].data_buf = NULL; |
| Kojto | 71:53949e6131f6 | 275 | } |
| Kojto | 71:53949e6131f6 | 276 | } |
| Kojto | 71:53949e6131f6 | 277 | #endif |
| Kojto | 71:53949e6131f6 | 278 | } |
| Kojto | 71:53949e6131f6 | 279 | |
| Kojto | 71:53949e6131f6 | 280 | void USBHAL::connect(void) |
| Kojto | 71:53949e6131f6 | 281 | { |
| Kojto | 71:53949e6131f6 | 282 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 283 | |
| Kojto | 71:53949e6131f6 | 284 | // Init datastructures must be static - driver will use these even after the init function exits! |
| Kojto | 71:53949e6131f6 | 285 | |
| Kojto | 71:53949e6131f6 | 286 | static const uint8_t buffer_multiplier[] = { 1 }; // Mult 1 for control EP |
| Kojto | 71:53949e6131f6 | 287 | static const USBD_Callbacks_TypeDef usbd_callbacks = { |
| Kojto | 71:53949e6131f6 | 288 | .usbReset = usbhal_reset_cb, |
| Kojto | 71:53949e6131f6 | 289 | .usbStateChange = usbhal_state_change_cb, |
| Kojto | 71:53949e6131f6 | 290 | .setupCmd = usbhal_setupcmd_cb, |
| Kojto | 71:53949e6131f6 | 291 | .isSelfPowered = NULL, |
| Kojto | 71:53949e6131f6 | 292 | .sofInt = usbhal_sof_cb |
| Kojto | 71:53949e6131f6 | 293 | }; |
| Kojto | 71:53949e6131f6 | 294 | |
| Kojto | 71:53949e6131f6 | 295 | USBD_Init_TypeDef initdata = { |
| Kojto | 71:53949e6131f6 | 296 | .deviceDescriptor = NULL, |
| Kojto | 71:53949e6131f6 | 297 | .configDescriptor = NULL, |
| Kojto | 71:53949e6131f6 | 298 | .stringDescriptors = NULL, |
| Kojto | 71:53949e6131f6 | 299 | .numberOfStrings = 0, |
| Kojto | 71:53949e6131f6 | 300 | .bufferingMultiplier = buffer_multiplier, |
| Kojto | 71:53949e6131f6 | 301 | .callbacks = &usbd_callbacks, |
| Kojto | 71:53949e6131f6 | 302 | .reserved = 0 |
| Kojto | 71:53949e6131f6 | 303 | }; |
| Kojto | 71:53949e6131f6 | 304 | |
| Kojto | 71:53949e6131f6 | 305 | int ret = USBD_Init(&initdata); |
| Kojto | 71:53949e6131f6 | 306 | |
| Kojto | 71:53949e6131f6 | 307 | TRACE("init = %d, devicedesc = %lx, configdesc = %lx", ret, |
| Kojto | 71:53949e6131f6 | 308 | (uint32_t) initdata.deviceDescriptor, |
| Kojto | 71:53949e6131f6 | 309 | (uint32_t) initdata.configDescriptor); |
| Kojto | 71:53949e6131f6 | 310 | |
| Kojto | 71:53949e6131f6 | 311 | EFM_ASSERT(ret == USB_STATUS_OK); |
| Kojto | 71:53949e6131f6 | 312 | } |
| Kojto | 71:53949e6131f6 | 313 | |
| Kojto | 71:53949e6131f6 | 314 | void USBHAL::disconnect(void) |
| Kojto | 71:53949e6131f6 | 315 | { |
| Kojto | 71:53949e6131f6 | 316 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 317 | USBD_Disconnect(); |
| Kojto | 71:53949e6131f6 | 318 | } |
| Kojto | 71:53949e6131f6 | 319 | |
| Kojto | 71:53949e6131f6 | 320 | void USBHAL::configureDevice(void) |
| Kojto | 71:53949e6131f6 | 321 | { |
| Kojto | 71:53949e6131f6 | 322 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 323 | USBD_SetUsbState(USBD_STATE_CONFIGURED); |
| Kojto | 71:53949e6131f6 | 324 | } |
| Kojto | 71:53949e6131f6 | 325 | |
| Kojto | 71:53949e6131f6 | 326 | void USBHAL::unconfigureDevice(void) |
| Kojto | 71:53949e6131f6 | 327 | { |
| Kojto | 71:53949e6131f6 | 328 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 329 | USBD_SetUsbState(USBD_STATE_DEFAULT); |
| Kojto | 71:53949e6131f6 | 330 | usbhal_free_buffers(); |
| Kojto | 71:53949e6131f6 | 331 | } |
| Kojto | 71:53949e6131f6 | 332 | |
| Kojto | 71:53949e6131f6 | 333 | void USBHAL::setAddress(uint8_t address) |
| Kojto | 71:53949e6131f6 | 334 | { |
| Kojto | 71:53949e6131f6 | 335 | TRACE_FUNC_IN_P("addr 0x%x", (unsigned)address); |
| Kojto | 71:53949e6131f6 | 336 | USBD_SetAddress(address); |
| Kojto | 71:53949e6131f6 | 337 | } |
| Kojto | 71:53949e6131f6 | 338 | |
| Kojto | 71:53949e6131f6 | 339 | void USBHAL::remoteWakeup(void) |
| Kojto | 71:53949e6131f6 | 340 | { |
| Kojto | 71:53949e6131f6 | 341 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 342 | USBD_RemoteWakeup(); |
| Kojto | 71:53949e6131f6 | 343 | } |
| Kojto | 71:53949e6131f6 | 344 | |
| Kojto | 71:53949e6131f6 | 345 | void USBHAL::EP0setup(uint8_t *buffer) |
| Kojto | 71:53949e6131f6 | 346 | { |
| Kojto | 71:53949e6131f6 | 347 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 348 | EFM_ASSERT(buffer); |
| Kojto | 71:53949e6131f6 | 349 | if (buffer) { |
| Kojto | 71:53949e6131f6 | 350 | memcpy(buffer, ep0setupdata, 8); |
| Kojto | 71:53949e6131f6 | 351 | } |
| Kojto | 71:53949e6131f6 | 352 | } |
| Kojto | 71:53949e6131f6 | 353 | |
| Kojto | 71:53949e6131f6 | 354 | void USBHAL::EP0read(void) |
| Kojto | 71:53949e6131f6 | 355 | { |
| Kojto | 71:53949e6131f6 | 356 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 357 | (void)internEndpointRead(0, MAX_PACKET_SIZE_EP0); |
| Kojto | 71:53949e6131f6 | 358 | } |
| Kojto | 71:53949e6131f6 | 359 | |
| Kojto | 71:53949e6131f6 | 360 | void USBHAL::EP0readStage(void) |
| Kojto | 71:53949e6131f6 | 361 | { |
| Kojto | 71:53949e6131f6 | 362 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 363 | // Not needed |
| Kojto | 71:53949e6131f6 | 364 | } |
| Kojto | 71:53949e6131f6 | 365 | |
| Kojto | 71:53949e6131f6 | 366 | uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) |
| Kojto | 71:53949e6131f6 | 367 | { |
| Kojto | 71:53949e6131f6 | 368 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 369 | EFM_ASSERT(buffer); |
| Kojto | 71:53949e6131f6 | 370 | |
| Kojto | 71:53949e6131f6 | 371 | uint32_t read = 0; |
| Kojto | 71:53949e6131f6 | 372 | endpointReadResult(0, buffer, &read); |
| Kojto | 71:53949e6131f6 | 373 | return read; |
| Kojto | 71:53949e6131f6 | 374 | } |
| Kojto | 71:53949e6131f6 | 375 | |
| Kojto | 71:53949e6131f6 | 376 | static int usbhal_xfer_complete_cb(uint8_t ep, USB_Status_TypeDef status, |
| Kojto | 71:53949e6131f6 | 377 | uint32_t xferred, uint32_t remaining) |
| Kojto | 71:53949e6131f6 | 378 | { |
| Kojto | 71:53949e6131f6 | 379 | TRACE_FUNC_IN_P("ep 0x%x, status %u, xferred %lu, rem %lu", |
| Kojto | 71:53949e6131f6 | 380 | ep, status, xferred, remaining); |
| Kojto | 71:53949e6131f6 | 381 | |
| Kojto | 71:53949e6131f6 | 382 | if (ep >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 383 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 384 | return USB_STATUS_REQ_ERR; |
| Kojto | 71:53949e6131f6 | 385 | } |
| Kojto | 71:53949e6131f6 | 386 | |
| Kojto | 71:53949e6131f6 | 387 | switch (ep) { |
| Kojto | 71:53949e6131f6 | 388 | case EP0OUT: |
| Kojto | 71:53949e6131f6 | 389 | if (ep_state[EP0OUT].status == READ_PENDING) { |
| Kojto | 71:53949e6131f6 | 390 | ep_state[EP0OUT].status = READ_COMPLETE; |
| Kojto | 71:53949e6131f6 | 391 | ep_state[EP0OUT].byte_count = xferred; |
| Kojto | 71:53949e6131f6 | 392 | // drop zlp |
| Kojto | 71:53949e6131f6 | 393 | if (xferred == 0) { |
| Kojto | 71:53949e6131f6 | 394 | break; |
| Kojto | 71:53949e6131f6 | 395 | } |
| Kojto | 71:53949e6131f6 | 396 | } |
| Kojto | 71:53949e6131f6 | 397 | run_cmd(CMD_EP0OUT, 0); |
| Kojto | 71:53949e6131f6 | 398 | break; |
| Kojto | 71:53949e6131f6 | 399 | |
| Kojto | 71:53949e6131f6 | 400 | case EP0IN: |
| Kojto | 71:53949e6131f6 | 401 | run_cmd(CMD_EP0IN, 0); |
| Kojto | 71:53949e6131f6 | 402 | break; |
| Kojto | 71:53949e6131f6 | 403 | |
| Kojto | 71:53949e6131f6 | 404 | default: |
| Kojto | 71:53949e6131f6 | 405 | bool write = ep & 1; |
| Kojto | 71:53949e6131f6 | 406 | |
| Kojto | 71:53949e6131f6 | 407 | if (status == USB_STATUS_OK) { |
| Kojto | 71:53949e6131f6 | 408 | if (!write && ep_state[ep].status == READ_PENDING) { |
| Kojto | 71:53949e6131f6 | 409 | ep_state[ep].status = READ_COMPLETE; |
| Kojto | 71:53949e6131f6 | 410 | ep_state[ep].byte_count = xferred; |
| Kojto | 71:53949e6131f6 | 411 | } else if (write && ep_state[ep].status == WRITE_PENDING) { |
| Kojto | 71:53949e6131f6 | 412 | ep_state[ep].status = WRITE_COMPLETE; |
| Kojto | 71:53949e6131f6 | 413 | } else { |
| Kojto | 71:53949e6131f6 | 414 | ep_state[ep].status = FAILED_INVALID; |
| Kojto | 71:53949e6131f6 | 415 | } |
| Kojto | 71:53949e6131f6 | 416 | } else { |
| Kojto | 71:53949e6131f6 | 417 | ep_state[ep].status = FAILED_INVALID; |
| Kojto | 71:53949e6131f6 | 418 | } |
| Kojto | 71:53949e6131f6 | 419 | |
| Kojto | 71:53949e6131f6 | 420 | if (ep_state[ep].status != FAILED_INVALID) { |
| Kojto | 71:53949e6131f6 | 421 | run_cmd(CMD_EP_XFER_COMPLETED, ep); |
| Kojto | 71:53949e6131f6 | 422 | } |
| Kojto | 71:53949e6131f6 | 423 | break; |
| Kojto | 71:53949e6131f6 | 424 | } |
| Kojto | 71:53949e6131f6 | 425 | |
| Kojto | 71:53949e6131f6 | 426 | return USB_STATUS_OK; |
| Kojto | 71:53949e6131f6 | 427 | } |
| Kojto | 71:53949e6131f6 | 428 | |
| Kojto | 71:53949e6131f6 | 429 | void USBHAL::EP0write(uint8_t *buffer, uint32_t size) |
| Kojto | 71:53949e6131f6 | 430 | { |
| Kojto | 71:53949e6131f6 | 431 | //TRACE_FUNC_IN_P("buffer %lx, size %lu", (uint32_t) buffer, size); |
| Kojto | 71:53949e6131f6 | 432 | |
| Kojto | 71:53949e6131f6 | 433 | int ret; |
| Kojto | 71:53949e6131f6 | 434 | USB_XferCompleteCb_TypeDef cb = ep_state[EP0IN].intern_cb; |
| Kojto | 71:53949e6131f6 | 435 | |
| Kojto | 71:53949e6131f6 | 436 | EFM_ASSERT((buffer != NULL) || (size == 0)); |
| Kojto | 71:53949e6131f6 | 437 | EFM_ASSERT(size <= MAX_PACKET_SIZE_EP0); |
| Kojto | 71:53949e6131f6 | 438 | |
| Kojto | 71:53949e6131f6 | 439 | if (!buffer || size == 0) { |
| Kojto | 71:53949e6131f6 | 440 | // No callback after writing EP0 ZLP |
| Kojto | 71:53949e6131f6 | 441 | cb = NULL; |
| Kojto | 71:53949e6131f6 | 442 | } |
| Kojto | 71:53949e6131f6 | 443 | |
| Kojto | 71:53949e6131f6 | 444 | if (buffer && !is_aligned(buffer,4)) { |
| Kojto | 71:53949e6131f6 | 445 | // Copy unaligned data to write-buffer before USBD_Write |
| Kojto | 71:53949e6131f6 | 446 | memcpy(ep_state[EP0IN].data_buf, buffer, size); |
| Kojto | 71:53949e6131f6 | 447 | ret = USBD_Write(0, ep_state[EP0IN].data_buf, size, cb); |
| Kojto | 71:53949e6131f6 | 448 | } else { |
| Kojto | 71:53949e6131f6 | 449 | ret = USBD_Write(0, buffer, size, cb); |
| Kojto | 71:53949e6131f6 | 450 | } |
| Kojto | 71:53949e6131f6 | 451 | |
| Kojto | 71:53949e6131f6 | 452 | if (ret != USB_STATUS_OK) { |
| Kojto | 71:53949e6131f6 | 453 | TRACE("FAILED - ret %d", ret); |
| Kojto | 71:53949e6131f6 | 454 | } |
| Kojto | 71:53949e6131f6 | 455 | } |
| Kojto | 71:53949e6131f6 | 456 | |
| Kojto | 71:53949e6131f6 | 457 | void USBHAL::EP0stall(void) |
| Kojto | 71:53949e6131f6 | 458 | { |
| Kojto | 71:53949e6131f6 | 459 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 460 | USBD_StallEp0(); |
| Kojto | 71:53949e6131f6 | 461 | } |
| Kojto | 71:53949e6131f6 | 462 | |
| Kojto | 71:53949e6131f6 | 463 | static EP_STATUS internEndpointRead(uint8_t ep, uint32_t maxSize) |
| Kojto | 71:53949e6131f6 | 464 | { |
| Kojto | 71:53949e6131f6 | 465 | //TRACE_FUNC_IN_P("endpoint 0x%x, size %ld, cb %d", (unsigned)ep, maxSize, useCallback); |
| Kojto | 71:53949e6131f6 | 466 | |
| Kojto | 71:53949e6131f6 | 467 | if (ep >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 468 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 469 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 470 | } |
| Kojto | 71:53949e6131f6 | 471 | |
| Kojto | 71:53949e6131f6 | 472 | ep_state[ep].status = READ_PENDING; |
| Kojto | 71:53949e6131f6 | 473 | |
| Kojto | 71:53949e6131f6 | 474 | int ret = USBD_Read(USB_EP_TO_ADDR(ep), ep_state[ep].data_buf, maxSize, |
| Kojto | 71:53949e6131f6 | 475 | ep_state[ep].intern_cb); |
| Kojto | 71:53949e6131f6 | 476 | |
| Kojto | 71:53949e6131f6 | 477 | if (ret == USB_STATUS_OK) { |
| Kojto | 71:53949e6131f6 | 478 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 479 | } else { |
| Kojto | 71:53949e6131f6 | 480 | TRACE("FAILED - ret %d", ret); |
| Kojto | 71:53949e6131f6 | 481 | |
| Kojto | 71:53949e6131f6 | 482 | if (ret == USB_STATUS_EP_STALLED) { |
| Kojto | 71:53949e6131f6 | 483 | return EP_STALLED; |
| Kojto | 71:53949e6131f6 | 484 | } else { |
| Kojto | 71:53949e6131f6 | 485 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 486 | } |
| Kojto | 71:53949e6131f6 | 487 | } |
| Kojto | 71:53949e6131f6 | 488 | } |
| Kojto | 71:53949e6131f6 | 489 | |
| Kojto | 71:53949e6131f6 | 490 | EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) |
| Kojto | 71:53949e6131f6 | 491 | { |
| Kojto | 71:53949e6131f6 | 492 | return internEndpointRead(endpoint, maximumSize); |
| Kojto | 71:53949e6131f6 | 493 | } |
| Kojto | 71:53949e6131f6 | 494 | |
| Kojto | 71:53949e6131f6 | 495 | EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead) |
| Kojto | 71:53949e6131f6 | 496 | { |
| Kojto | 71:53949e6131f6 | 497 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 498 | |
| Kojto | 71:53949e6131f6 | 499 | if (endpoint >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 500 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 501 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 502 | } |
| Kojto | 71:53949e6131f6 | 503 | |
| Kojto | 71:53949e6131f6 | 504 | EFM_ASSERT(data); |
| Kojto | 71:53949e6131f6 | 505 | EFM_ASSERT(bytesRead); |
| Kojto | 71:53949e6131f6 | 506 | if (!data || !bytesRead) { |
| Kojto | 71:53949e6131f6 | 507 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 508 | } |
| Kojto | 71:53949e6131f6 | 509 | |
| Kojto | 71:53949e6131f6 | 510 | switch (ep_state[endpoint].status) { |
| Kojto | 71:53949e6131f6 | 511 | case READ_PENDING: |
| Kojto | 71:53949e6131f6 | 512 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 513 | |
| Kojto | 71:53949e6131f6 | 514 | case READ_COMPLETE: |
| Kojto | 71:53949e6131f6 | 515 | memcpy(data, ep_state[endpoint].data_buf, ep_state[endpoint].byte_count); |
| Kojto | 71:53949e6131f6 | 516 | *bytesRead = ep_state[endpoint].byte_count; |
| Kojto | 71:53949e6131f6 | 517 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 518 | return EP_COMPLETED; |
| Kojto | 71:53949e6131f6 | 519 | |
| Kojto | 71:53949e6131f6 | 520 | case FAILED_STALLED: |
| Kojto | 71:53949e6131f6 | 521 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 522 | return EP_STALLED; |
| Kojto | 71:53949e6131f6 | 523 | |
| Kojto | 71:53949e6131f6 | 524 | default: |
| Kojto | 71:53949e6131f6 | 525 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 526 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 527 | } |
| Kojto | 71:53949e6131f6 | 528 | } |
| Kojto | 71:53949e6131f6 | 529 | |
| Kojto | 71:53949e6131f6 | 530 | EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) |
| Kojto | 71:53949e6131f6 | 531 | { |
| Kojto | 71:53949e6131f6 | 532 | TRACE_FUNC_IN_P("endpoint 0x%x, data 0x%lx, size %lu", (unsigned )endpoint, (uint32_t)data, size); |
| Kojto | 71:53949e6131f6 | 533 | |
| Kojto | 71:53949e6131f6 | 534 | EFM_ASSERT(endpoint < NUMBER_OF_ENDPOINTS); |
| Kojto | 71:53949e6131f6 | 535 | EFM_ASSERT(endpoint > EP0IN); |
| Kojto | 71:53949e6131f6 | 536 | EFM_ASSERT(size <= ep_state[endpoint].max_packet); |
| Kojto | 71:53949e6131f6 | 537 | EFM_ASSERT(data); |
| Kojto | 71:53949e6131f6 | 538 | |
| Kojto | 71:53949e6131f6 | 539 | uint8_t ep = USB_EP_TO_INDEX(endpoint); |
| Kojto | 71:53949e6131f6 | 540 | |
| Kojto | 71:53949e6131f6 | 541 | if (endpoint >= NUMBER_OF_ENDPOINTS || endpoint <= EP0IN) { |
| Kojto | 71:53949e6131f6 | 542 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 543 | } |
| Kojto | 71:53949e6131f6 | 544 | |
| Kojto | 71:53949e6131f6 | 545 | if (size > ep_state[endpoint].max_packet) { |
| Kojto | 71:53949e6131f6 | 546 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 547 | } |
| Kojto | 71:53949e6131f6 | 548 | |
| Kojto | 71:53949e6131f6 | 549 | if (!data) { |
| Kojto | 71:53949e6131f6 | 550 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 551 | } |
| Kojto | 71:53949e6131f6 | 552 | |
| Kojto | 71:53949e6131f6 | 553 | memcpy(ep_state[ep].data_buf, data, size); |
| Kojto | 71:53949e6131f6 | 554 | |
| Kojto | 71:53949e6131f6 | 555 | ep_state[ep].status = WRITE_PENDING; |
| Kojto | 71:53949e6131f6 | 556 | int ret = USBD_Write(USB_EP_TO_ADDR(endpoint), ep_state[ep].data_buf, size, ep_state[ep].intern_cb); |
| Kojto | 71:53949e6131f6 | 557 | |
| Kojto | 71:53949e6131f6 | 558 | if (ret == USB_STATUS_EP_STALLED) { |
| Kojto | 71:53949e6131f6 | 559 | ep_state[ep].status = IDLE; |
| Kojto | 71:53949e6131f6 | 560 | return EP_STALLED; |
| Kojto | 71:53949e6131f6 | 561 | } else if (ret != USB_STATUS_OK) { |
| Kojto | 71:53949e6131f6 | 562 | ep_state[ep].status = IDLE; |
| Kojto | 71:53949e6131f6 | 563 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 564 | } |
| Kojto | 71:53949e6131f6 | 565 | |
| Kojto | 71:53949e6131f6 | 566 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 567 | } |
| Kojto | 71:53949e6131f6 | 568 | |
| Kojto | 71:53949e6131f6 | 569 | EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) |
| Kojto | 71:53949e6131f6 | 570 | { |
| Kojto | 71:53949e6131f6 | 571 | if (endpoint >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 572 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 573 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 574 | } |
| Kojto | 71:53949e6131f6 | 575 | |
| Kojto | 71:53949e6131f6 | 576 | switch (ep_state[endpoint].status) { |
| Kojto | 71:53949e6131f6 | 577 | case WRITE_PENDING: |
| Kojto | 71:53949e6131f6 | 578 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 579 | |
| Kojto | 71:53949e6131f6 | 580 | case WRITE_COMPLETE: |
| Kojto | 71:53949e6131f6 | 581 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 582 | return EP_COMPLETED; |
| Kojto | 71:53949e6131f6 | 583 | |
| Kojto | 71:53949e6131f6 | 584 | case FAILED_STALLED: |
| Kojto | 71:53949e6131f6 | 585 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 586 | return EP_STALLED; |
| Kojto | 71:53949e6131f6 | 587 | |
| Kojto | 71:53949e6131f6 | 588 | default: |
| Kojto | 71:53949e6131f6 | 589 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 590 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 591 | } |
| Kojto | 71:53949e6131f6 | 592 | } |
| Kojto | 71:53949e6131f6 | 593 | |
| Kojto | 71:53949e6131f6 | 594 | void USBHAL::stallEndpoint(uint8_t endpoint) |
| Kojto | 71:53949e6131f6 | 595 | { |
| Kojto | 71:53949e6131f6 | 596 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 597 | |
| Kojto | 71:53949e6131f6 | 598 | EFM_ASSERT(endpoint < NUMBER_OF_ENDPOINTS); |
| Kojto | 71:53949e6131f6 | 599 | EFM_ASSERT((endpoint != EP0OUT) && (endpoint != EP0IN)); |
| Kojto | 71:53949e6131f6 | 600 | |
| Kojto | 71:53949e6131f6 | 601 | USBD_StallEp(USB_EP_TO_ADDR(endpoint)); |
| Kojto | 71:53949e6131f6 | 602 | } |
| Kojto | 71:53949e6131f6 | 603 | |
| Kojto | 71:53949e6131f6 | 604 | void USBHAL::unstallEndpoint(uint8_t endpoint) |
| Kojto | 71:53949e6131f6 | 605 | { |
| Kojto | 71:53949e6131f6 | 606 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 607 | |
| Kojto | 71:53949e6131f6 | 608 | EFM_ASSERT(endpoint < NUMBER_OF_ENDPOINTS); |
| Kojto | 71:53949e6131f6 | 609 | EFM_ASSERT((endpoint != EP0OUT) && (endpoint != EP0IN)); |
| Kojto | 71:53949e6131f6 | 610 | |
| Kojto | 71:53949e6131f6 | 611 | USBD_UnStallEp(USB_EP_TO_ADDR(endpoint)); |
| Kojto | 71:53949e6131f6 | 612 | } |
| Kojto | 71:53949e6131f6 | 613 | |
| Kojto | 71:53949e6131f6 | 614 | bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options) |
| Kojto | 71:53949e6131f6 | 615 | { |
| Kojto | 71:53949e6131f6 | 616 | TRACE_FUNC_IN_P("endpoint %d, packetsize %ld, options 0x%lx", endpoint, |
| Kojto | 71:53949e6131f6 | 617 | maxPacket, options); |
| Kojto | 71:53949e6131f6 | 618 | |
| Kojto | 71:53949e6131f6 | 619 | int mult = 1; // RX/TX buffer size multiplier |
| Kojto | 71:53949e6131f6 | 620 | int type = USB_EPTYPE_INTR; |
| Kojto | 71:53949e6131f6 | 621 | |
| Kojto | 71:53949e6131f6 | 622 | if (endpoint >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 623 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 624 | return false; |
| Kojto | 71:53949e6131f6 | 625 | } |
| Kojto | 71:53949e6131f6 | 626 | |
| Kojto | 71:53949e6131f6 | 627 | if (endpoint == EP0IN || endpoint == EP0OUT) { |
| Kojto | 71:53949e6131f6 | 628 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 629 | return false; |
| Kojto | 71:53949e6131f6 | 630 | } |
| Kojto | 71:53949e6131f6 | 631 | |
| Kojto | 71:53949e6131f6 | 632 | ep_state[endpoint].max_packet = 0; |
| Kojto | 71:53949e6131f6 | 633 | |
| Kojto | 71:53949e6131f6 | 634 | if (endpoint == EPISO_OUT || endpoint == EPISO_IN) { |
| Kojto | 71:53949e6131f6 | 635 | if (maxPacket > MAX_PACKET_SIZE_EPISO) { |
| Kojto | 71:53949e6131f6 | 636 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 637 | return false; |
| Kojto | 71:53949e6131f6 | 638 | } |
| Kojto | 71:53949e6131f6 | 639 | } else if ((maxPacket > MAX_PACKET_SIZE_EPBULK) || (maxPacket > MAX_PACKET_SIZE_EPINT)) { |
| Kojto | 71:53949e6131f6 | 640 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 641 | return false; |
| Kojto | 71:53949e6131f6 | 642 | } |
| Kojto | 71:53949e6131f6 | 643 | |
| Kojto | 71:53949e6131f6 | 644 | // USBDevice performs a read right after creating the endpoints, |
| Kojto | 71:53949e6131f6 | 645 | // before calling configureDevice. The read will fail since |
| Kojto | 71:53949e6131f6 | 646 | // at that point the device state is still ADDRESSED. Workaround |
| Kojto | 71:53949e6131f6 | 647 | // is to force configured state here. |
| Kojto | 71:53949e6131f6 | 648 | // |
| Kojto | 71:53949e6131f6 | 649 | // This relies on USBDevice to not call realiseEndpoint unless |
| Kojto | 71:53949e6131f6 | 650 | // it is transitioning to the CONFIGURED state. |
| Kojto | 71:53949e6131f6 | 651 | USBD_SetUsbState(USBD_STATE_CONFIGURED); |
| Kojto | 71:53949e6131f6 | 652 | |
| Kojto | 71:53949e6131f6 | 653 | // Why doesn't this function have a type param? This is silly... |
| Kojto | 71:53949e6131f6 | 654 | switch (endpoint) { |
| Kojto | 71:53949e6131f6 | 655 | case EPBULK_OUT: |
| Kojto | 71:53949e6131f6 | 656 | case EPBULK_IN: |
| Kojto | 71:53949e6131f6 | 657 | type = USB_EPTYPE_BULK; |
| Kojto | 71:53949e6131f6 | 658 | mult = 2; |
| Kojto | 71:53949e6131f6 | 659 | break; |
| Kojto | 71:53949e6131f6 | 660 | case EPINT_OUT: |
| Kojto | 71:53949e6131f6 | 661 | case EPINT_IN: |
| Kojto | 71:53949e6131f6 | 662 | type = USB_EPTYPE_INTR; |
| Kojto | 71:53949e6131f6 | 663 | mult = 1; |
| Kojto | 71:53949e6131f6 | 664 | break; |
| Kojto | 71:53949e6131f6 | 665 | case EPISO_OUT: |
| Kojto | 71:53949e6131f6 | 666 | case EPISO_IN: |
| Kojto | 71:53949e6131f6 | 667 | type = USB_EPTYPE_ISOC; |
| Kojto | 71:53949e6131f6 | 668 | mult = 2; // ? |
| Kojto | 71:53949e6131f6 | 669 | break; |
| Kojto | 71:53949e6131f6 | 670 | } |
| Kojto | 71:53949e6131f6 | 671 | |
| Kojto | 71:53949e6131f6 | 672 | // Some options force the endpoint to a specific type |
| Kojto | 71:53949e6131f6 | 673 | if( options & ISOCHRONOUS ) { |
| Kojto | 71:53949e6131f6 | 674 | type = USB_EPTYPE_ISOC; |
| Kojto | 71:53949e6131f6 | 675 | mult = 2; // ? |
| Kojto | 71:53949e6131f6 | 676 | } else if ( options & RATE_FEEDBACK_MODE ) { |
| Kojto | 71:53949e6131f6 | 677 | // No support for whatever rate feedback is, but for interrupt only |
| Kojto | 71:53949e6131f6 | 678 | type = USB_EPTYPE_INTR; |
| Kojto | 71:53949e6131f6 | 679 | mult = 1; |
| Kojto | 71:53949e6131f6 | 680 | } |
| Kojto | 71:53949e6131f6 | 681 | |
| Kojto | 71:53949e6131f6 | 682 | #ifdef USB_USE_DYNAMIC_MEMORY |
| Kojto | 71:53949e6131f6 | 683 | if (ep_state[endpoint].data_buf) { |
| Kojto | 71:53949e6131f6 | 684 | free(ep_state[endpoint].data_buf); |
| Kojto | 71:53949e6131f6 | 685 | } |
| Kojto | 71:53949e6131f6 | 686 | |
| Kojto | 71:53949e6131f6 | 687 | ep_state[endpoint].data_buf = (uint8_t *)malloc(maxPacket); |
| Kojto | 71:53949e6131f6 | 688 | |
| Kojto | 71:53949e6131f6 | 689 | if (!ep_state[endpoint].data_buf) { |
| Kojto | 71:53949e6131f6 | 690 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 691 | return false; |
| Kojto | 71:53949e6131f6 | 692 | } |
| Kojto | 71:53949e6131f6 | 693 | #endif |
| Kojto | 71:53949e6131f6 | 694 | |
| Kojto | 71:53949e6131f6 | 695 | int ret = USBD_AddEndpoint(USB_EP_TO_ADDR(endpoint), type, maxPacket, mult); |
| Kojto | 71:53949e6131f6 | 696 | |
| Kojto | 71:53949e6131f6 | 697 | if (ret == USB_STATUS_OK) { |
| Kojto | 71:53949e6131f6 | 698 | ep_state[endpoint].status = IDLE; |
| Kojto | 71:53949e6131f6 | 699 | ep_state[endpoint].max_packet = maxPacket; |
| Kojto | 71:53949e6131f6 | 700 | return true; |
| Kojto | 71:53949e6131f6 | 701 | } else { |
| Kojto | 71:53949e6131f6 | 702 | return false; |
| Kojto | 71:53949e6131f6 | 703 | } |
| Kojto | 71:53949e6131f6 | 704 | } |
| Kojto | 71:53949e6131f6 | 705 | |
| Kojto | 71:53949e6131f6 | 706 | bool USBHAL::getEndpointStallState(unsigned char endpoint) |
| Kojto | 71:53949e6131f6 | 707 | { |
| Kojto | 71:53949e6131f6 | 708 | TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 709 | if (endpoint >= NUMBER_OF_ENDPOINTS) { |
| Kojto | 71:53949e6131f6 | 710 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 711 | return false; |
| Kojto | 71:53949e6131f6 | 712 | } |
| Kojto | 71:53949e6131f6 | 713 | return USBD_EpIsStalled(USB_EP_TO_ADDR(endpoint)); |
| Kojto | 71:53949e6131f6 | 714 | } |
| Kojto | 71:53949e6131f6 | 715 | |
| Kojto | 71:53949e6131f6 | 716 | static void run_cmd(USBISRCommand cmd, uint32_t param) |
| Kojto | 71:53949e6131f6 | 717 | { |
| Kojto | 71:53949e6131f6 | 718 | if (usb_isrcmd != CMD_HANDLED || cmd >= CMD_ENUM_END_MARKER) { |
| Kojto | 71:53949e6131f6 | 719 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 720 | abort(); |
| Kojto | 71:53949e6131f6 | 721 | } |
| Kojto | 71:53949e6131f6 | 722 | |
| Kojto | 71:53949e6131f6 | 723 | usb_isrcmd = cmd; |
| Kojto | 71:53949e6131f6 | 724 | usb_isrcmd_param = param; |
| Kojto | 71:53949e6131f6 | 725 | isrptr(); |
| Kojto | 71:53949e6131f6 | 726 | } |
| Kojto | 71:53949e6131f6 | 727 | |
| Kojto | 71:53949e6131f6 | 728 | void USBHAL::_usbisr(void) |
| Kojto | 71:53949e6131f6 | 729 | { |
| Kojto | 71:53949e6131f6 | 730 | EFM_ASSERT(instance); |
| Kojto | 71:53949e6131f6 | 731 | instance->usbisr(); |
| Kojto | 71:53949e6131f6 | 732 | } |
| Kojto | 71:53949e6131f6 | 733 | |
| Kojto | 71:53949e6131f6 | 734 | void USBHAL::usbisr(void) |
| Kojto | 71:53949e6131f6 | 735 | { |
| Kojto | 71:53949e6131f6 | 736 | //TRACE_FUNC_IN; |
| Kojto | 71:53949e6131f6 | 737 | |
| Kojto | 71:53949e6131f6 | 738 | // This "ISR" is used just to route callbacks from SiL USB driver |
| Kojto | 71:53949e6131f6 | 739 | // callback context (which can not call protected/private USBHAL |
| Kojto | 71:53949e6131f6 | 740 | // methods), to the actual USBHAL. |
| Kojto | 71:53949e6131f6 | 741 | |
| Kojto | 71:53949e6131f6 | 742 | EFM_ASSERT(usb_isrcmd != CMD_HANDLED); |
| Kojto | 71:53949e6131f6 | 743 | switch (usb_isrcmd) { |
| Kojto | 71:53949e6131f6 | 744 | case CMD_EP0SETUP: |
| Kojto | 71:53949e6131f6 | 745 | this->EP0setupCallback(); |
| Kojto | 71:53949e6131f6 | 746 | break; |
| Kojto | 71:53949e6131f6 | 747 | case CMD_EP0IN: |
| Kojto | 71:53949e6131f6 | 748 | this->EP0in(); |
| Kojto | 71:53949e6131f6 | 749 | break; |
| Kojto | 71:53949e6131f6 | 750 | case CMD_EP0OUT: |
| Kojto | 71:53949e6131f6 | 751 | this->EP0out(); |
| Kojto | 71:53949e6131f6 | 752 | break; |
| Kojto | 71:53949e6131f6 | 753 | case CMD_BUSRESET: |
| Kojto | 71:53949e6131f6 | 754 | this->busReset(); |
| Kojto | 71:53949e6131f6 | 755 | break; |
| Kojto | 71:53949e6131f6 | 756 | case CMD_EP_XFER_COMPLETED: |
| Kojto | 71:53949e6131f6 | 757 | if (epCallback[usb_isrcmd_param] && instance) { |
| Kojto | 71:53949e6131f6 | 758 | (instance->*(epCallback[usb_isrcmd_param]))(); |
| Kojto | 71:53949e6131f6 | 759 | } |
| Kojto | 71:53949e6131f6 | 760 | break; |
| Kojto | 71:53949e6131f6 | 761 | case CMD_SOF: |
| Kojto | 71:53949e6131f6 | 762 | this->SOF(usb_isrcmd_param); |
| Kojto | 71:53949e6131f6 | 763 | break; |
| Kojto | 71:53949e6131f6 | 764 | case CMD_SUSPEND_STATE_CHANGED: |
| Kojto | 71:53949e6131f6 | 765 | this->suspendStateChanged(usb_isrcmd_param); |
| Kojto | 71:53949e6131f6 | 766 | break; |
| Kojto | 71:53949e6131f6 | 767 | default: |
| Kojto | 71:53949e6131f6 | 768 | EFM_ASSERT(false); |
| Kojto | 71:53949e6131f6 | 769 | break; |
| Kojto | 71:53949e6131f6 | 770 | } |
| Kojto | 71:53949e6131f6 | 771 | usb_isrcmd = CMD_HANDLED; |
| Kojto | 71:53949e6131f6 | 772 | } |
| Kojto | 71:53949e6131f6 | 773 | #endif |
| Kojto | 71:53949e6131f6 | 774 | |
| Kojto | 71:53949e6131f6 | 775 | // End of file |
