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Dependencies: FATFileSystem mbed-rtos mbed
Fork of USBHost by
USBHost/USBHALHost_M451.cpp@38:d66f404b66d4, 2017-07-20 (annotated)
- Committer:
- Kojto
- Date:
- Thu Jul 20 12:21:36 2017 +0100
- Revision:
- 38:d66f404b66d4
- Parent:
- 37:f1e388e7b752
Update mbed-rtos and FATFilesystem to the latest versions
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Kojto | 37:f1e388e7b752 | 1 | /* mbed Microcontroller Library |
| Kojto | 37:f1e388e7b752 | 2 | * Copyright (c) 2015-2016 Nuvoton |
| Kojto | 37:f1e388e7b752 | 3 | * |
| Kojto | 37:f1e388e7b752 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| Kojto | 37:f1e388e7b752 | 5 | * you may not use this file except in compliance with the License. |
| Kojto | 37:f1e388e7b752 | 6 | * You may obtain a copy of the License at |
| Kojto | 37:f1e388e7b752 | 7 | * |
| Kojto | 37:f1e388e7b752 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| Kojto | 37:f1e388e7b752 | 9 | * |
| Kojto | 37:f1e388e7b752 | 10 | * Unless required by applicable law or agreed to in writing, software |
| Kojto | 37:f1e388e7b752 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| Kojto | 37:f1e388e7b752 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| Kojto | 37:f1e388e7b752 | 13 | * See the License for the specific language governing permissions and |
| Kojto | 37:f1e388e7b752 | 14 | * limitations under the License. |
| Kojto | 37:f1e388e7b752 | 15 | */ |
| Kojto | 37:f1e388e7b752 | 16 | |
| Kojto | 37:f1e388e7b752 | 17 | #if defined(TARGET_M451) |
| Kojto | 37:f1e388e7b752 | 18 | |
| Kojto | 37:f1e388e7b752 | 19 | #include "mbed.h" |
| Kojto | 37:f1e388e7b752 | 20 | #include "USBHALHost.h" |
| Kojto | 37:f1e388e7b752 | 21 | #include "dbg.h" |
| Kojto | 37:f1e388e7b752 | 22 | #include "pinmap.h" |
| Kojto | 37:f1e388e7b752 | 23 | |
| Kojto | 37:f1e388e7b752 | 24 | #define HCCA_SIZE sizeof(HCCA) |
| Kojto | 37:f1e388e7b752 | 25 | #define ED_SIZE sizeof(HCED) |
| Kojto | 37:f1e388e7b752 | 26 | #define TD_SIZE sizeof(HCTD) |
| Kojto | 37:f1e388e7b752 | 27 | |
| Kojto | 37:f1e388e7b752 | 28 | #define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE)) |
| Kojto | 37:f1e388e7b752 | 29 | |
| Kojto | 37:f1e388e7b752 | 30 | #ifndef USBH_HcRhDescriptorA_POTPGT_Pos |
| Kojto | 37:f1e388e7b752 | 31 | #define USBH_HcRhDescriptorA_POTPGT_Pos (24) |
| Kojto | 37:f1e388e7b752 | 32 | #endif |
| Kojto | 37:f1e388e7b752 | 33 | #ifndef USBH_HcRhDescriptorA_POTPGT_Msk |
| Kojto | 37:f1e388e7b752 | 34 | #define USBH_HcRhDescriptorA_POTPGT_Msk (0xfful << USBH_HcRhDescriptorA_POTPGT_Pos) |
| Kojto | 37:f1e388e7b752 | 35 | #endif |
| Kojto | 37:f1e388e7b752 | 36 | |
| Kojto | 37:f1e388e7b752 | 37 | static volatile MBED_ALIGN(256) uint8_t usb_buf[TOTAL_SIZE]; // 256 bytes aligned! |
| Kojto | 37:f1e388e7b752 | 38 | |
| Kojto | 37:f1e388e7b752 | 39 | USBHALHost * USBHALHost::instHost; |
| Kojto | 37:f1e388e7b752 | 40 | |
| Kojto | 37:f1e388e7b752 | 41 | USBHALHost::USBHALHost() |
| Kojto | 37:f1e388e7b752 | 42 | { |
| Kojto | 37:f1e388e7b752 | 43 | instHost = this; |
| Kojto | 37:f1e388e7b752 | 44 | memInit(); |
| Kojto | 37:f1e388e7b752 | 45 | memset((void*)usb_hcca, 0, HCCA_SIZE); |
| Kojto | 37:f1e388e7b752 | 46 | for (int i = 0; i < MAX_ENDPOINT; i++) { |
| Kojto | 37:f1e388e7b752 | 47 | edBufAlloc[i] = false; |
| Kojto | 37:f1e388e7b752 | 48 | } |
| Kojto | 37:f1e388e7b752 | 49 | for (int i = 0; i < MAX_TD; i++) { |
| Kojto | 37:f1e388e7b752 | 50 | tdBufAlloc[i] = false; |
| Kojto | 37:f1e388e7b752 | 51 | } |
| Kojto | 37:f1e388e7b752 | 52 | } |
| Kojto | 37:f1e388e7b752 | 53 | |
| Kojto | 37:f1e388e7b752 | 54 | void USBHALHost::init() |
| Kojto | 37:f1e388e7b752 | 55 | { |
| Kojto | 37:f1e388e7b752 | 56 | // Unlock protected registers |
| Kojto | 37:f1e388e7b752 | 57 | SYS_UnlockReg(); |
| Kojto | 37:f1e388e7b752 | 58 | |
| Kojto | 37:f1e388e7b752 | 59 | // Enable USBH clock |
| Kojto | 37:f1e388e7b752 | 60 | CLK_EnableModuleClock(USBH_MODULE); |
| Kojto | 37:f1e388e7b752 | 61 | // Set USBH clock source/divider |
| Kojto | 37:f1e388e7b752 | 62 | CLK_SetModuleClock(USBH_MODULE, 0, CLK_CLKDIV0_USB(3)); |
| Kojto | 37:f1e388e7b752 | 63 | |
| Kojto | 37:f1e388e7b752 | 64 | // Configure OTG function as Host-Only |
| Kojto | 37:f1e388e7b752 | 65 | SYS->USBPHY = SYS_USBPHY_LDO33EN_Msk | SYS_USBPHY_USBROLE_STD_USBH; |
| Kojto | 37:f1e388e7b752 | 66 | |
| Kojto | 37:f1e388e7b752 | 67 | /* Below settings is use power switch IC to enable/disable USB Host power. |
| Kojto | 37:f1e388e7b752 | 68 | Set PA.2 is VBUS_EN function pin and PA.3 VBUS_ST function pin */ |
| Kojto | 37:f1e388e7b752 | 69 | pin_function(PA_3, SYS_GPA_MFPL_PA3MFP_USB_VBUS_ST); |
| Kojto | 37:f1e388e7b752 | 70 | pin_function(PA_2, SYS_GPA_MFPL_PA2MFP_USB_VBUS_EN); |
| Kojto | 37:f1e388e7b752 | 71 | |
| Kojto | 37:f1e388e7b752 | 72 | // Enable OTG clock |
| Kojto | 37:f1e388e7b752 | 73 | CLK_EnableModuleClock(OTG_MODULE); |
| Kojto | 37:f1e388e7b752 | 74 | |
| Kojto | 37:f1e388e7b752 | 75 | // Lock protected registers |
| Kojto | 37:f1e388e7b752 | 76 | SYS_LockReg(); |
| Kojto | 37:f1e388e7b752 | 77 | |
| Kojto | 37:f1e388e7b752 | 78 | // Overcurrent flag is low active |
| Kojto | 37:f1e388e7b752 | 79 | USBH->HcMiscControl |= USBH_HcMiscControl_OCAL_Msk; |
| Kojto | 37:f1e388e7b752 | 80 | |
| Kojto | 37:f1e388e7b752 | 81 | // Disable HC interrupts |
| Kojto | 37:f1e388e7b752 | 82 | USBH->HcInterruptDisable = OR_INTR_ENABLE_MIE; |
| Kojto | 37:f1e388e7b752 | 83 | |
| Kojto | 37:f1e388e7b752 | 84 | // Needed by some controllers |
| Kojto | 37:f1e388e7b752 | 85 | USBH->HcControl = 0; |
| Kojto | 37:f1e388e7b752 | 86 | |
| Kojto | 37:f1e388e7b752 | 87 | // Software reset |
| Kojto | 37:f1e388e7b752 | 88 | USBH->HcCommandStatus = OR_CMD_STATUS_HCR; |
| Kojto | 37:f1e388e7b752 | 89 | while (USBH->HcCommandStatus & OR_CMD_STATUS_HCR); |
| Kojto | 37:f1e388e7b752 | 90 | |
| Kojto | 37:f1e388e7b752 | 91 | // Put HC in reset state |
| Kojto | 37:f1e388e7b752 | 92 | USBH->HcControl = (USBH->HcControl & ~OR_CONTROL_HCFS) | OR_CONTROL_HC_RSET; |
| Kojto | 37:f1e388e7b752 | 93 | // HCD must wait 10ms for HC reset complete |
| Kojto | 37:f1e388e7b752 | 94 | wait_ms(100); |
| Kojto | 37:f1e388e7b752 | 95 | |
| Kojto | 37:f1e388e7b752 | 96 | USBH->HcControlHeadED = 0; // Initialize Control ED list head to 0 |
| Kojto | 37:f1e388e7b752 | 97 | USBH->HcBulkHeadED = 0; // Initialize Bulk ED list head to 0 |
| Kojto | 37:f1e388e7b752 | 98 | USBH->HcHCCA = (uint32_t) usb_hcca; |
| Kojto | 37:f1e388e7b752 | 99 | |
| Kojto | 37:f1e388e7b752 | 100 | USBH->HcFmInterval = DEFAULT_FMINTERVAL; // Frame interval = 12000 - 1 |
| Kojto | 37:f1e388e7b752 | 101 | // MPS = 10,104 |
| Kojto | 37:f1e388e7b752 | 102 | USBH->HcPeriodicStart = FI * 90 / 100; // 90% of frame interval |
| Kojto | 37:f1e388e7b752 | 103 | USBH->HcLSThreshold = 0x628; // Low speed threshold |
| Kojto | 37:f1e388e7b752 | 104 | |
| Kojto | 37:f1e388e7b752 | 105 | // Put HC in operational state |
| Kojto | 37:f1e388e7b752 | 106 | USBH->HcControl = (USBH->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER; |
| Kojto | 37:f1e388e7b752 | 107 | |
| Kojto | 37:f1e388e7b752 | 108 | // FIXME |
| Kojto | 37:f1e388e7b752 | 109 | USBH->HcRhDescriptorA = USBH->HcRhDescriptorA & ~(USBH_HcRhDescriptorA_NOCP_Msk | USBH_HcRhDescriptorA_OCPM_Msk | USBH_HcRhDescriptorA_PSM_Msk); |
| Kojto | 37:f1e388e7b752 | 110 | // Issue SetGlobalPower command |
| Kojto | 37:f1e388e7b752 | 111 | USBH->HcRhStatus = USBH_HcRhStatus_LPSC_Msk; |
| Kojto | 37:f1e388e7b752 | 112 | // Power On To Power Good Time, in 2 ms units |
| Kojto | 37:f1e388e7b752 | 113 | wait_ms(((USBH->HcRhDescriptorA & USBH_HcRhDescriptorA_POTPGT_Msk) >> USBH_HcRhDescriptorA_POTPGT_Pos) * 2); |
| Kojto | 37:f1e388e7b752 | 114 | |
| Kojto | 37:f1e388e7b752 | 115 | // Clear Interrrupt Status |
| Kojto | 37:f1e388e7b752 | 116 | USBH->HcInterruptStatus |= USBH->HcInterruptStatus; |
| Kojto | 37:f1e388e7b752 | 117 | // Enable interrupts we care about |
| Kojto | 37:f1e388e7b752 | 118 | USBH->HcInterruptEnable = OR_INTR_ENABLE_MIE | OR_INTR_ENABLE_WDH | OR_INTR_ENABLE_RHSC; |
| Kojto | 37:f1e388e7b752 | 119 | |
| Kojto | 37:f1e388e7b752 | 120 | NVIC_SetVector(USBH_IRQn, (uint32_t)(_usbisr)); |
| Kojto | 37:f1e388e7b752 | 121 | NVIC_EnableIRQ(USBH_IRQn); |
| Kojto | 37:f1e388e7b752 | 122 | |
| Kojto | 37:f1e388e7b752 | 123 | // Check for any connected devices |
| Kojto | 37:f1e388e7b752 | 124 | if (USBH->HcRhPortStatus[0] & OR_RH_PORT_CCS) { |
| Kojto | 37:f1e388e7b752 | 125 | // Device connected |
| Kojto | 37:f1e388e7b752 | 126 | wait_ms(150); |
| Kojto | 37:f1e388e7b752 | 127 | deviceConnected(0, 1, USBH->HcRhPortStatus[0] & OR_RH_PORT_LSDA); |
| Kojto | 37:f1e388e7b752 | 128 | } |
| Kojto | 37:f1e388e7b752 | 129 | } |
| Kojto | 37:f1e388e7b752 | 130 | |
| Kojto | 37:f1e388e7b752 | 131 | uint32_t USBHALHost::controlHeadED() |
| Kojto | 37:f1e388e7b752 | 132 | { |
| Kojto | 37:f1e388e7b752 | 133 | return USBH->HcControlHeadED; |
| Kojto | 37:f1e388e7b752 | 134 | } |
| Kojto | 37:f1e388e7b752 | 135 | |
| Kojto | 37:f1e388e7b752 | 136 | uint32_t USBHALHost::bulkHeadED() |
| Kojto | 37:f1e388e7b752 | 137 | { |
| Kojto | 37:f1e388e7b752 | 138 | return USBH->HcBulkHeadED; |
| Kojto | 37:f1e388e7b752 | 139 | } |
| Kojto | 37:f1e388e7b752 | 140 | |
| Kojto | 37:f1e388e7b752 | 141 | uint32_t USBHALHost::interruptHeadED() |
| Kojto | 37:f1e388e7b752 | 142 | { |
| Kojto | 37:f1e388e7b752 | 143 | // FIXME: Only support one INT ED? |
| Kojto | 37:f1e388e7b752 | 144 | return usb_hcca->IntTable[0]; |
| Kojto | 37:f1e388e7b752 | 145 | } |
| Kojto | 37:f1e388e7b752 | 146 | |
| Kojto | 37:f1e388e7b752 | 147 | void USBHALHost::updateBulkHeadED(uint32_t addr) |
| Kojto | 37:f1e388e7b752 | 148 | { |
| Kojto | 37:f1e388e7b752 | 149 | USBH->HcBulkHeadED = addr; |
| Kojto | 37:f1e388e7b752 | 150 | } |
| Kojto | 37:f1e388e7b752 | 151 | |
| Kojto | 37:f1e388e7b752 | 152 | |
| Kojto | 37:f1e388e7b752 | 153 | void USBHALHost::updateControlHeadED(uint32_t addr) |
| Kojto | 37:f1e388e7b752 | 154 | { |
| Kojto | 37:f1e388e7b752 | 155 | USBH->HcControlHeadED = addr; |
| Kojto | 37:f1e388e7b752 | 156 | } |
| Kojto | 37:f1e388e7b752 | 157 | |
| Kojto | 37:f1e388e7b752 | 158 | void USBHALHost::updateInterruptHeadED(uint32_t addr) |
| Kojto | 37:f1e388e7b752 | 159 | { |
| Kojto | 37:f1e388e7b752 | 160 | // FIXME: Only support one INT ED? |
| Kojto | 37:f1e388e7b752 | 161 | usb_hcca->IntTable[0] = addr; |
| Kojto | 37:f1e388e7b752 | 162 | } |
| Kojto | 37:f1e388e7b752 | 163 | |
| Kojto | 37:f1e388e7b752 | 164 | |
| Kojto | 37:f1e388e7b752 | 165 | void USBHALHost::enableList(ENDPOINT_TYPE type) |
| Kojto | 37:f1e388e7b752 | 166 | { |
| Kojto | 37:f1e388e7b752 | 167 | switch(type) { |
| Kojto | 37:f1e388e7b752 | 168 | case CONTROL_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 169 | USBH->HcCommandStatus = OR_CMD_STATUS_CLF; |
| Kojto | 37:f1e388e7b752 | 170 | USBH->HcControl |= OR_CONTROL_CLE; |
| Kojto | 37:f1e388e7b752 | 171 | break; |
| Kojto | 37:f1e388e7b752 | 172 | case ISOCHRONOUS_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 173 | // FIXME |
| Kojto | 37:f1e388e7b752 | 174 | break; |
| Kojto | 37:f1e388e7b752 | 175 | case BULK_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 176 | USBH->HcCommandStatus = OR_CMD_STATUS_BLF; |
| Kojto | 37:f1e388e7b752 | 177 | USBH->HcControl |= OR_CONTROL_BLE; |
| Kojto | 37:f1e388e7b752 | 178 | break; |
| Kojto | 37:f1e388e7b752 | 179 | case INTERRUPT_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 180 | USBH->HcControl |= OR_CONTROL_PLE; |
| Kojto | 37:f1e388e7b752 | 181 | break; |
| Kojto | 37:f1e388e7b752 | 182 | } |
| Kojto | 37:f1e388e7b752 | 183 | } |
| Kojto | 37:f1e388e7b752 | 184 | |
| Kojto | 37:f1e388e7b752 | 185 | |
| Kojto | 37:f1e388e7b752 | 186 | bool USBHALHost::disableList(ENDPOINT_TYPE type) |
| Kojto | 37:f1e388e7b752 | 187 | { |
| Kojto | 37:f1e388e7b752 | 188 | switch(type) { |
| Kojto | 37:f1e388e7b752 | 189 | case CONTROL_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 190 | if(USBH->HcControl & OR_CONTROL_CLE) { |
| Kojto | 37:f1e388e7b752 | 191 | USBH->HcControl &= ~OR_CONTROL_CLE; |
| Kojto | 37:f1e388e7b752 | 192 | return true; |
| Kojto | 37:f1e388e7b752 | 193 | } |
| Kojto | 37:f1e388e7b752 | 194 | return false; |
| Kojto | 37:f1e388e7b752 | 195 | case ISOCHRONOUS_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 196 | // FIXME |
| Kojto | 37:f1e388e7b752 | 197 | return false; |
| Kojto | 37:f1e388e7b752 | 198 | case BULK_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 199 | if(USBH->HcControl & OR_CONTROL_BLE){ |
| Kojto | 37:f1e388e7b752 | 200 | USBH->HcControl &= ~OR_CONTROL_BLE; |
| Kojto | 37:f1e388e7b752 | 201 | return true; |
| Kojto | 37:f1e388e7b752 | 202 | } |
| Kojto | 37:f1e388e7b752 | 203 | return false; |
| Kojto | 37:f1e388e7b752 | 204 | case INTERRUPT_ENDPOINT: |
| Kojto | 37:f1e388e7b752 | 205 | if(USBH->HcControl & OR_CONTROL_PLE) { |
| Kojto | 37:f1e388e7b752 | 206 | USBH->HcControl &= ~OR_CONTROL_PLE; |
| Kojto | 37:f1e388e7b752 | 207 | return true; |
| Kojto | 37:f1e388e7b752 | 208 | } |
| Kojto | 37:f1e388e7b752 | 209 | return false; |
| Kojto | 37:f1e388e7b752 | 210 | } |
| Kojto | 37:f1e388e7b752 | 211 | return false; |
| Kojto | 37:f1e388e7b752 | 212 | } |
| Kojto | 37:f1e388e7b752 | 213 | |
| Kojto | 37:f1e388e7b752 | 214 | |
| Kojto | 37:f1e388e7b752 | 215 | void USBHALHost::memInit() |
| Kojto | 37:f1e388e7b752 | 216 | { |
| Kojto | 37:f1e388e7b752 | 217 | usb_hcca = (volatile HCCA *)usb_buf; |
| Kojto | 37:f1e388e7b752 | 218 | usb_edBuf = usb_buf + HCCA_SIZE; |
| Kojto | 37:f1e388e7b752 | 219 | usb_tdBuf = usb_buf + HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE); |
| Kojto | 37:f1e388e7b752 | 220 | } |
| Kojto | 37:f1e388e7b752 | 221 | |
| Kojto | 37:f1e388e7b752 | 222 | volatile uint8_t * USBHALHost::getED() |
| Kojto | 37:f1e388e7b752 | 223 | { |
| Kojto | 37:f1e388e7b752 | 224 | for (int i = 0; i < MAX_ENDPOINT; i++) { |
| Kojto | 37:f1e388e7b752 | 225 | if ( !edBufAlloc[i] ) { |
| Kojto | 37:f1e388e7b752 | 226 | edBufAlloc[i] = true; |
| Kojto | 37:f1e388e7b752 | 227 | return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE); |
| Kojto | 37:f1e388e7b752 | 228 | } |
| Kojto | 37:f1e388e7b752 | 229 | } |
| Kojto | 37:f1e388e7b752 | 230 | perror("Could not allocate ED\r\n"); |
| Kojto | 37:f1e388e7b752 | 231 | return NULL; //Could not alloc ED |
| Kojto | 37:f1e388e7b752 | 232 | } |
| Kojto | 37:f1e388e7b752 | 233 | |
| Kojto | 37:f1e388e7b752 | 234 | volatile uint8_t * USBHALHost::getTD() |
| Kojto | 37:f1e388e7b752 | 235 | { |
| Kojto | 37:f1e388e7b752 | 236 | int i; |
| Kojto | 37:f1e388e7b752 | 237 | for (i = 0; i < MAX_TD; i++) { |
| Kojto | 37:f1e388e7b752 | 238 | if ( !tdBufAlloc[i] ) { |
| Kojto | 37:f1e388e7b752 | 239 | tdBufAlloc[i] = true; |
| Kojto | 37:f1e388e7b752 | 240 | return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE); |
| Kojto | 37:f1e388e7b752 | 241 | } |
| Kojto | 37:f1e388e7b752 | 242 | } |
| Kojto | 37:f1e388e7b752 | 243 | perror("Could not allocate TD\r\n"); |
| Kojto | 37:f1e388e7b752 | 244 | return NULL; //Could not alloc TD |
| Kojto | 37:f1e388e7b752 | 245 | } |
| Kojto | 37:f1e388e7b752 | 246 | |
| Kojto | 37:f1e388e7b752 | 247 | |
| Kojto | 37:f1e388e7b752 | 248 | void USBHALHost::freeED(volatile uint8_t * ed) |
| Kojto | 37:f1e388e7b752 | 249 | { |
| Kojto | 37:f1e388e7b752 | 250 | int i; |
| Kojto | 37:f1e388e7b752 | 251 | i = (ed - usb_edBuf) / ED_SIZE; |
| Kojto | 37:f1e388e7b752 | 252 | edBufAlloc[i] = false; |
| Kojto | 37:f1e388e7b752 | 253 | } |
| Kojto | 37:f1e388e7b752 | 254 | |
| Kojto | 37:f1e388e7b752 | 255 | void USBHALHost::freeTD(volatile uint8_t * td) |
| Kojto | 37:f1e388e7b752 | 256 | { |
| Kojto | 37:f1e388e7b752 | 257 | int i; |
| Kojto | 37:f1e388e7b752 | 258 | i = (td - usb_tdBuf) / TD_SIZE; |
| Kojto | 37:f1e388e7b752 | 259 | tdBufAlloc[i] = false; |
| Kojto | 37:f1e388e7b752 | 260 | } |
| Kojto | 37:f1e388e7b752 | 261 | |
| Kojto | 37:f1e388e7b752 | 262 | |
| Kojto | 37:f1e388e7b752 | 263 | void USBHALHost::resetRootHub() |
| Kojto | 37:f1e388e7b752 | 264 | { |
| Kojto | 37:f1e388e7b752 | 265 | // Reset port1 |
| Kojto | 37:f1e388e7b752 | 266 | USBH->HcRhPortStatus[0] = OR_RH_PORT_PRS; |
| Kojto | 37:f1e388e7b752 | 267 | while (USBH->HcRhPortStatus[0] & OR_RH_PORT_PRS); |
| Kojto | 37:f1e388e7b752 | 268 | USBH->HcRhPortStatus[0] = OR_RH_PORT_PRSC; |
| Kojto | 37:f1e388e7b752 | 269 | } |
| Kojto | 37:f1e388e7b752 | 270 | |
| Kojto | 37:f1e388e7b752 | 271 | |
| Kojto | 37:f1e388e7b752 | 272 | void USBHALHost::_usbisr(void) |
| Kojto | 37:f1e388e7b752 | 273 | { |
| Kojto | 37:f1e388e7b752 | 274 | if (instHost) { |
| Kojto | 37:f1e388e7b752 | 275 | instHost->UsbIrqhandler(); |
| Kojto | 37:f1e388e7b752 | 276 | } |
| Kojto | 37:f1e388e7b752 | 277 | } |
| Kojto | 37:f1e388e7b752 | 278 | |
| Kojto | 37:f1e388e7b752 | 279 | void USBHALHost::UsbIrqhandler() |
| Kojto | 37:f1e388e7b752 | 280 | { |
| Kojto | 37:f1e388e7b752 | 281 | uint32_t ints = USBH->HcInterruptStatus; |
| Kojto | 37:f1e388e7b752 | 282 | |
| Kojto | 37:f1e388e7b752 | 283 | // Root hub status change interrupt |
| Kojto | 37:f1e388e7b752 | 284 | if (ints & OR_INTR_STATUS_RHSC) { |
| Kojto | 37:f1e388e7b752 | 285 | uint32_t ints_roothub = USBH->HcRhStatus; |
| Kojto | 37:f1e388e7b752 | 286 | uint32_t ints_port1 = USBH->HcRhPortStatus[0]; |
| Kojto | 37:f1e388e7b752 | 287 | uint32_t ints_port2 = USBH->HcRhPortStatus[1]; |
| Kojto | 37:f1e388e7b752 | 288 | |
| Kojto | 37:f1e388e7b752 | 289 | // Port1: ConnectStatusChange |
| Kojto | 37:f1e388e7b752 | 290 | if (ints_port1 & OR_RH_PORT_CSC) { |
| Kojto | 37:f1e388e7b752 | 291 | if (ints_roothub & OR_RH_STATUS_DRWE) { |
| Kojto | 37:f1e388e7b752 | 292 | // When DRWE is on, Connect Status Change means a remote wakeup event. |
| Kojto | 37:f1e388e7b752 | 293 | } else { |
| Kojto | 37:f1e388e7b752 | 294 | if (ints_port1 & OR_RH_PORT_CCS) { |
| Kojto | 37:f1e388e7b752 | 295 | // Root device connected |
| Kojto | 37:f1e388e7b752 | 296 | |
| Kojto | 37:f1e388e7b752 | 297 | // wait 150ms to avoid bounce |
| Kojto | 37:f1e388e7b752 | 298 | wait_ms(150); |
| Kojto | 37:f1e388e7b752 | 299 | |
| Kojto | 37:f1e388e7b752 | 300 | //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed |
| Kojto | 37:f1e388e7b752 | 301 | deviceConnected(0, 1, ints_port1 & OR_RH_PORT_LSDA); |
| Kojto | 37:f1e388e7b752 | 302 | } else { |
| Kojto | 37:f1e388e7b752 | 303 | // Root device disconnected |
| Kojto | 37:f1e388e7b752 | 304 | |
| Kojto | 37:f1e388e7b752 | 305 | if (!(ints & OR_INTR_STATUS_WDH)) { |
| Kojto | 37:f1e388e7b752 | 306 | usb_hcca->DoneHead = 0; |
| Kojto | 37:f1e388e7b752 | 307 | } |
| Kojto | 37:f1e388e7b752 | 308 | |
| Kojto | 37:f1e388e7b752 | 309 | // wait 200ms to avoid bounce |
| Kojto | 37:f1e388e7b752 | 310 | wait_ms(200); |
| Kojto | 37:f1e388e7b752 | 311 | |
| Kojto | 37:f1e388e7b752 | 312 | deviceDisconnected(0, 1, NULL, usb_hcca->DoneHead & 0xFFFFFFFE); |
| Kojto | 37:f1e388e7b752 | 313 | |
| Kojto | 37:f1e388e7b752 | 314 | if (ints & OR_INTR_STATUS_WDH) { |
| Kojto | 37:f1e388e7b752 | 315 | usb_hcca->DoneHead = 0; |
| Kojto | 37:f1e388e7b752 | 316 | USBH->HcInterruptStatus = OR_INTR_STATUS_WDH; |
| Kojto | 37:f1e388e7b752 | 317 | } |
| Kojto | 37:f1e388e7b752 | 318 | } |
| Kojto | 37:f1e388e7b752 | 319 | } |
| Kojto | 37:f1e388e7b752 | 320 | USBH->HcRhPortStatus[0] = OR_RH_PORT_CSC; |
| Kojto | 37:f1e388e7b752 | 321 | } |
| Kojto | 37:f1e388e7b752 | 322 | // Port1: Reset completed |
| Kojto | 37:f1e388e7b752 | 323 | if (ints_port1 & OR_RH_PORT_PRSC) { |
| Kojto | 37:f1e388e7b752 | 324 | USBH->HcRhPortStatus[0] = OR_RH_PORT_PRSC; |
| Kojto | 37:f1e388e7b752 | 325 | } |
| Kojto | 37:f1e388e7b752 | 326 | // Port1: PortEnableStatusChange |
| Kojto | 37:f1e388e7b752 | 327 | if (ints_port1 & OR_RH_PORT_PESC) { |
| Kojto | 37:f1e388e7b752 | 328 | USBH->HcRhPortStatus[0] = OR_RH_PORT_PESC; |
| Kojto | 37:f1e388e7b752 | 329 | } |
| Kojto | 37:f1e388e7b752 | 330 | |
| Kojto | 37:f1e388e7b752 | 331 | // Port2: PortOverCurrentIndicatorChange |
| Kojto | 37:f1e388e7b752 | 332 | if (ints_port2 & OR_RH_PORT_OCIC) { |
| Kojto | 37:f1e388e7b752 | 333 | USBH->HcRhPortStatus[1] = OR_RH_PORT_OCIC; |
| Kojto | 37:f1e388e7b752 | 334 | } |
| Kojto | 37:f1e388e7b752 | 335 | |
| Kojto | 37:f1e388e7b752 | 336 | USBH->HcInterruptStatus = OR_INTR_STATUS_RHSC; |
| Kojto | 37:f1e388e7b752 | 337 | } |
| Kojto | 37:f1e388e7b752 | 338 | |
| Kojto | 37:f1e388e7b752 | 339 | // Writeback Done Head interrupt |
| Kojto | 37:f1e388e7b752 | 340 | if (ints & OR_INTR_STATUS_WDH) { |
| Kojto | 37:f1e388e7b752 | 341 | transferCompleted(usb_hcca->DoneHead & 0xFFFFFFFE); |
| Kojto | 37:f1e388e7b752 | 342 | USBH->HcInterruptStatus = OR_INTR_STATUS_WDH; |
| Kojto | 37:f1e388e7b752 | 343 | } |
| Kojto | 37:f1e388e7b752 | 344 | |
| Kojto | 37:f1e388e7b752 | 345 | |
| Kojto | 37:f1e388e7b752 | 346 | } |
| Kojto | 37:f1e388e7b752 | 347 | #endif |
