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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_Freescale/USBHAL_KL25Z.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 (c) 2010-2011 mbed.org, MIT License |
| Kojto | 71:53949e6131f6 | 2 | * |
| Kojto | 71:53949e6131f6 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
| Kojto | 71:53949e6131f6 | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
| Kojto | 71:53949e6131f6 | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
| Kojto | 71:53949e6131f6 | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
| Kojto | 71:53949e6131f6 | 7 | * Software is furnished to do so, subject to the following conditions: |
| Kojto | 71:53949e6131f6 | 8 | * |
| Kojto | 71:53949e6131f6 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
| Kojto | 71:53949e6131f6 | 10 | * substantial portions of the Software. |
| Kojto | 71:53949e6131f6 | 11 | * |
| Kojto | 71:53949e6131f6 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| Kojto | 71:53949e6131f6 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| Kojto | 71:53949e6131f6 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| Kojto | 71:53949e6131f6 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| Kojto | 71:53949e6131f6 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| Kojto | 71:53949e6131f6 | 17 | */ |
| Kojto | 71:53949e6131f6 | 18 | |
| Kojto | 71:53949e6131f6 | 19 | #if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D50M) | defined(TARGET_K64F) | defined(TARGET_K22F) | defined(TARGET_TEENSY3_1) |
| Kojto | 71:53949e6131f6 | 20 | |
| Kojto | 71:53949e6131f6 | 21 | #if defined(TARGET_KSDK2_MCUS) |
| Kojto | 71:53949e6131f6 | 22 | #include "fsl_common.h" |
| Kojto | 71:53949e6131f6 | 23 | #endif |
| Kojto | 71:53949e6131f6 | 24 | #include "USBHAL.h" |
| Kojto | 71:53949e6131f6 | 25 | |
| Kojto | 71:53949e6131f6 | 26 | USBHAL * USBHAL::instance; |
| Kojto | 71:53949e6131f6 | 27 | |
| Kojto | 71:53949e6131f6 | 28 | static volatile int epComplete = 0; |
| Kojto | 71:53949e6131f6 | 29 | |
| Kojto | 71:53949e6131f6 | 30 | // Convert physical endpoint number to register bit |
| Kojto | 71:53949e6131f6 | 31 | #define EP(endpoint) (1<<(endpoint)) |
| Kojto | 71:53949e6131f6 | 32 | |
| Kojto | 71:53949e6131f6 | 33 | // Convert physical to logical |
| Kojto | 71:53949e6131f6 | 34 | #define PHY_TO_LOG(endpoint) ((endpoint)>>1) |
| Kojto | 71:53949e6131f6 | 35 | |
| Kojto | 71:53949e6131f6 | 36 | // Get endpoint direction |
| Kojto | 71:53949e6131f6 | 37 | #define IN_EP(endpoint) ((endpoint) & 1U ? true : false) |
| Kojto | 71:53949e6131f6 | 38 | #define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) |
| Kojto | 71:53949e6131f6 | 39 | |
| Kojto | 71:53949e6131f6 | 40 | #define BD_OWN_MASK (1<<7) |
| Kojto | 71:53949e6131f6 | 41 | #define BD_DATA01_MASK (1<<6) |
| Kojto | 71:53949e6131f6 | 42 | #define BD_KEEP_MASK (1<<5) |
| Kojto | 71:53949e6131f6 | 43 | #define BD_NINC_MASK (1<<4) |
| Kojto | 71:53949e6131f6 | 44 | #define BD_DTS_MASK (1<<3) |
| Kojto | 71:53949e6131f6 | 45 | #define BD_STALL_MASK (1<<2) |
| Kojto | 71:53949e6131f6 | 46 | |
| Kojto | 71:53949e6131f6 | 47 | #define TX 1 |
| Kojto | 71:53949e6131f6 | 48 | #define RX 0 |
| Kojto | 71:53949e6131f6 | 49 | #define ODD 0 |
| Kojto | 71:53949e6131f6 | 50 | #define EVEN 1 |
| Kojto | 71:53949e6131f6 | 51 | // this macro waits a physical endpoint number |
| Kojto | 71:53949e6131f6 | 52 | #define EP_BDT_IDX(ep, dir, odd) (((ep * 4) + (2 * dir) + (1 * odd))) |
| Kojto | 71:53949e6131f6 | 53 | |
| Kojto | 71:53949e6131f6 | 54 | #define SETUP_TOKEN 0x0D |
| Kojto | 71:53949e6131f6 | 55 | #define IN_TOKEN 0x09 |
| Kojto | 71:53949e6131f6 | 56 | #define OUT_TOKEN 0x01 |
| Kojto | 71:53949e6131f6 | 57 | #define TOK_PID(idx) ((bdt[idx].info >> 2) & 0x0F) |
| Kojto | 71:53949e6131f6 | 58 | |
| Kojto | 71:53949e6131f6 | 59 | // for each endpt: 8 bytes |
| Kojto | 71:53949e6131f6 | 60 | typedef struct BDT { |
| Kojto | 71:53949e6131f6 | 61 | uint8_t info; // BD[0:7] |
| Kojto | 71:53949e6131f6 | 62 | uint8_t dummy; // RSVD: BD[8:15] |
| Kojto | 71:53949e6131f6 | 63 | uint16_t byte_count; // BD[16:32] |
| Kojto | 71:53949e6131f6 | 64 | uint32_t address; // Addr |
| Kojto | 71:53949e6131f6 | 65 | } BDT; |
| Kojto | 71:53949e6131f6 | 66 | |
| Kojto | 71:53949e6131f6 | 67 | // there are: |
| Kojto | 71:53949e6131f6 | 68 | // * 4 bidirectionnal endpt -> 8 physical endpt |
| Kojto | 71:53949e6131f6 | 69 | // * as there are ODD and EVEN buffer -> 8*2 bdt |
| Kojto | 71:53949e6131f6 | 70 | MBED_ALIGN(512) BDT bdt[NUMBER_OF_PHYSICAL_ENDPOINTS * 2]; // 512 bytes aligned! |
| Kojto | 71:53949e6131f6 | 71 | |
| Kojto | 71:53949e6131f6 | 72 | uint8_t * endpoint_buffer[NUMBER_OF_PHYSICAL_ENDPOINTS * 2]; |
| Kojto | 71:53949e6131f6 | 73 | |
| Kojto | 71:53949e6131f6 | 74 | static uint8_t set_addr = 0; |
| Kojto | 71:53949e6131f6 | 75 | static uint8_t addr = 0; |
| Kojto | 71:53949e6131f6 | 76 | |
| Kojto | 71:53949e6131f6 | 77 | static uint32_t Data1 = 0x55555555; |
| Kojto | 71:53949e6131f6 | 78 | |
| Kojto | 71:53949e6131f6 | 79 | static uint32_t frameNumber() { |
| Kojto | 71:53949e6131f6 | 80 | return((USB0->FRMNUML | (USB0->FRMNUMH << 8)) & 0x07FF); |
| Kojto | 71:53949e6131f6 | 81 | } |
| Kojto | 71:53949e6131f6 | 82 | |
| Kojto | 71:53949e6131f6 | 83 | uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { |
| Kojto | 71:53949e6131f6 | 84 | return 0; |
| Kojto | 71:53949e6131f6 | 85 | } |
| Kojto | 71:53949e6131f6 | 86 | |
| Kojto | 71:53949e6131f6 | 87 | USBHAL::USBHAL(void) { |
| Kojto | 71:53949e6131f6 | 88 | // Disable IRQ |
| Kojto | 71:53949e6131f6 | 89 | NVIC_DisableIRQ(USB0_IRQn); |
| Kojto | 71:53949e6131f6 | 90 | |
| Kojto | 71:53949e6131f6 | 91 | #if (defined(FSL_FEATURE_SOC_MPU_COUNT) && (FSL_FEATURE_SOC_MPU_COUNT > 0U)) |
| Kojto | 71:53949e6131f6 | 92 | MPU->CESR=0; |
| Kojto | 71:53949e6131f6 | 93 | #endif |
| Kojto | 71:53949e6131f6 | 94 | // fill in callback array |
| Kojto | 71:53949e6131f6 | 95 | epCallback[0] = &USBHAL::EP1_OUT_callback; |
| Kojto | 71:53949e6131f6 | 96 | epCallback[1] = &USBHAL::EP1_IN_callback; |
| Kojto | 71:53949e6131f6 | 97 | epCallback[2] = &USBHAL::EP2_OUT_callback; |
| Kojto | 71:53949e6131f6 | 98 | epCallback[3] = &USBHAL::EP2_IN_callback; |
| Kojto | 71:53949e6131f6 | 99 | epCallback[4] = &USBHAL::EP3_OUT_callback; |
| Kojto | 71:53949e6131f6 | 100 | epCallback[5] = &USBHAL::EP3_IN_callback; |
| Kojto | 71:53949e6131f6 | 101 | epCallback[6] = &USBHAL::EP4_OUT_callback; |
| Kojto | 71:53949e6131f6 | 102 | epCallback[7] = &USBHAL::EP4_IN_callback; |
| Kojto | 71:53949e6131f6 | 103 | |
| Kojto | 71:53949e6131f6 | 104 | #if defined(TARGET_KL43Z) || defined(TARGET_K22F) || defined(TARGET_K64F) |
| Kojto | 71:53949e6131f6 | 105 | // enable USBFS clock |
| Kojto | 71:53949e6131f6 | 106 | CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U); |
| Kojto | 71:53949e6131f6 | 107 | #else |
| Kojto | 71:53949e6131f6 | 108 | // choose usb src as PLL |
| Kojto | 71:53949e6131f6 | 109 | SIM->SOPT2 &= ~SIM_SOPT2_PLLFLLSEL_MASK; |
| Kojto | 71:53949e6131f6 | 110 | SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | (1 << SIM_SOPT2_PLLFLLSEL_SHIFT)); |
| Kojto | 71:53949e6131f6 | 111 | |
| Kojto | 71:53949e6131f6 | 112 | // enable OTG clock |
| Kojto | 71:53949e6131f6 | 113 | SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; |
| Kojto | 71:53949e6131f6 | 114 | #endif |
| Kojto | 71:53949e6131f6 | 115 | |
| Kojto | 71:53949e6131f6 | 116 | // Attach IRQ |
| Kojto | 71:53949e6131f6 | 117 | instance = this; |
| Kojto | 71:53949e6131f6 | 118 | NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr); |
| Kojto | 71:53949e6131f6 | 119 | NVIC_EnableIRQ(USB0_IRQn); |
| Kojto | 71:53949e6131f6 | 120 | |
| Kojto | 71:53949e6131f6 | 121 | // USB Module Configuration |
| Kojto | 71:53949e6131f6 | 122 | // Set BDT Base Register |
| Kojto | 71:53949e6131f6 | 123 | USB0->BDTPAGE1 = (uint8_t)((uint32_t)bdt>>8); |
| Kojto | 71:53949e6131f6 | 124 | USB0->BDTPAGE2 = (uint8_t)((uint32_t)bdt>>16); |
| Kojto | 71:53949e6131f6 | 125 | USB0->BDTPAGE3 = (uint8_t)((uint32_t)bdt>>24); |
| Kojto | 71:53949e6131f6 | 126 | |
| Kojto | 71:53949e6131f6 | 127 | // Clear interrupt flag |
| Kojto | 71:53949e6131f6 | 128 | USB0->ISTAT = 0xff; |
| Kojto | 71:53949e6131f6 | 129 | |
| Kojto | 71:53949e6131f6 | 130 | // USB Interrupt Enablers |
| Kojto | 71:53949e6131f6 | 131 | USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | |
| Kojto | 71:53949e6131f6 | 132 | USB_INTEN_SOFTOKEN_MASK | |
| Kojto | 71:53949e6131f6 | 133 | USB_INTEN_ERROREN_MASK | |
| Kojto | 71:53949e6131f6 | 134 | USB_INTEN_USBRSTEN_MASK; |
| Kojto | 71:53949e6131f6 | 135 | |
| Kojto | 71:53949e6131f6 | 136 | // Disable weak pull downs |
| Kojto | 71:53949e6131f6 | 137 | USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); |
| Kojto | 71:53949e6131f6 | 138 | |
| Kojto | 71:53949e6131f6 | 139 | USB0->USBTRC0 |= 0x40; |
| Kojto | 71:53949e6131f6 | 140 | |
| Kojto | 71:53949e6131f6 | 141 | /* Allocate control endpoint buffers */ |
| Kojto | 71:53949e6131f6 | 142 | endpoint_buffer[EP_BDT_IDX(0, TX, ODD)] = (uint8_t *)malloc(MAX_PACKET_SIZE_EP0); |
| Kojto | 71:53949e6131f6 | 143 | endpoint_buffer[EP_BDT_IDX(0, RX, ODD)] = (uint8_t *)malloc(MAX_PACKET_SIZE_EP0); |
| Kojto | 71:53949e6131f6 | 144 | } |
| Kojto | 71:53949e6131f6 | 145 | |
| Kojto | 71:53949e6131f6 | 146 | USBHAL::~USBHAL(void) { } |
| Kojto | 71:53949e6131f6 | 147 | |
| Kojto | 71:53949e6131f6 | 148 | void USBHAL::connect(void) { |
| Kojto | 71:53949e6131f6 | 149 | // enable USB |
| Kojto | 71:53949e6131f6 | 150 | USB0->CTL |= USB_CTL_USBENSOFEN_MASK; |
| Kojto | 71:53949e6131f6 | 151 | // Pull up enable |
| Kojto | 71:53949e6131f6 | 152 | USB0->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK; |
| Kojto | 71:53949e6131f6 | 153 | |
| Kojto | 71:53949e6131f6 | 154 | // Allocate endpoint buffers; do allocate control endpoint buffers |
| Kojto | 71:53949e6131f6 | 155 | for (int i = 4; i < (NUMBER_OF_PHYSICAL_ENDPOINTS * 2); i++) { |
| Kojto | 71:53949e6131f6 | 156 | if ((i == EPISO_OUT) || (i == EPISO_IN)) { |
| Kojto | 71:53949e6131f6 | 157 | endpoint_buffer[i] = (uint8_t *)malloc(MAX_PACKET_SIZE_EPISO); |
| Kojto | 71:53949e6131f6 | 158 | } else { |
| Kojto | 71:53949e6131f6 | 159 | endpoint_buffer[i] = (uint8_t *)malloc(MAX_PACKET_SIZE_EPBULK); |
| Kojto | 71:53949e6131f6 | 160 | } |
| Kojto | 71:53949e6131f6 | 161 | } |
| Kojto | 71:53949e6131f6 | 162 | } |
| Kojto | 71:53949e6131f6 | 163 | |
| Kojto | 71:53949e6131f6 | 164 | void USBHAL::disconnect(void) { |
| Kojto | 71:53949e6131f6 | 165 | // disable USB |
| Kojto | 71:53949e6131f6 | 166 | USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK; |
| Kojto | 71:53949e6131f6 | 167 | // Pull up disable |
| Kojto | 71:53949e6131f6 | 168 | USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; |
| Kojto | 71:53949e6131f6 | 169 | |
| Kojto | 71:53949e6131f6 | 170 | //Free buffers if required; do not free the control endpoint buffers |
| Kojto | 71:53949e6131f6 | 171 | for (int i = 4; i < (NUMBER_OF_PHYSICAL_ENDPOINTS * 2); i++) { |
| Kojto | 71:53949e6131f6 | 172 | free(endpoint_buffer[i]); |
| Kojto | 71:53949e6131f6 | 173 | endpoint_buffer[i] = NULL; |
| Kojto | 71:53949e6131f6 | 174 | } |
| Kojto | 71:53949e6131f6 | 175 | } |
| Kojto | 71:53949e6131f6 | 176 | |
| Kojto | 71:53949e6131f6 | 177 | void USBHAL::configureDevice(void) { |
| Kojto | 71:53949e6131f6 | 178 | // not needed |
| Kojto | 71:53949e6131f6 | 179 | } |
| Kojto | 71:53949e6131f6 | 180 | |
| Kojto | 71:53949e6131f6 | 181 | void USBHAL::unconfigureDevice(void) { |
| Kojto | 71:53949e6131f6 | 182 | // not needed |
| Kojto | 71:53949e6131f6 | 183 | } |
| Kojto | 71:53949e6131f6 | 184 | |
| Kojto | 71:53949e6131f6 | 185 | void USBHAL::setAddress(uint8_t address) { |
| Kojto | 71:53949e6131f6 | 186 | // we don't set the address now otherwise the usb controller does not ack |
| Kojto | 71:53949e6131f6 | 187 | // we set a flag instead |
| Kojto | 71:53949e6131f6 | 188 | // see usbisr when an IN token is received |
| Kojto | 71:53949e6131f6 | 189 | set_addr = 1; |
| Kojto | 71:53949e6131f6 | 190 | addr = address; |
| Kojto | 71:53949e6131f6 | 191 | } |
| Kojto | 71:53949e6131f6 | 192 | |
| Kojto | 71:53949e6131f6 | 193 | bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { |
| Kojto | 71:53949e6131f6 | 194 | uint32_t handshake_flag = 0; |
| Kojto | 71:53949e6131f6 | 195 | uint8_t * buf; |
| Kojto | 71:53949e6131f6 | 196 | |
| Kojto | 71:53949e6131f6 | 197 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
| Kojto | 71:53949e6131f6 | 198 | return false; |
| Kojto | 71:53949e6131f6 | 199 | } |
| Kojto | 71:53949e6131f6 | 200 | |
| Kojto | 71:53949e6131f6 | 201 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
| Kojto | 71:53949e6131f6 | 202 | |
| Kojto | 71:53949e6131f6 | 203 | if ((flags & ISOCHRONOUS) == 0) { |
| Kojto | 71:53949e6131f6 | 204 | handshake_flag = USB_ENDPT_EPHSHK_MASK; |
| Kojto | 71:53949e6131f6 | 205 | } |
| Kojto | 71:53949e6131f6 | 206 | |
| Kojto | 71:53949e6131f6 | 207 | if (IN_EP(endpoint)) { |
| Kojto | 71:53949e6131f6 | 208 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)][0]; |
| Kojto | 71:53949e6131f6 | 209 | } else { |
| Kojto | 71:53949e6131f6 | 210 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)][0]; |
| Kojto | 71:53949e6131f6 | 211 | } |
| Kojto | 71:53949e6131f6 | 212 | |
| Kojto | 71:53949e6131f6 | 213 | // IN endpt -> device to host (TX) |
| Kojto | 71:53949e6131f6 | 214 | if (IN_EP(endpoint)) { |
| Kojto | 71:53949e6131f6 | 215 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
| Kojto | 71:53949e6131f6 | 216 | USB_ENDPT_EPTXEN_MASK; // en TX (IN) tran |
| Kojto | 71:53949e6131f6 | 217 | bdt[EP_BDT_IDX(log_endpoint, TX, ODD )].address = (uint32_t) buf; |
| Kojto | 71:53949e6131f6 | 218 | bdt[EP_BDT_IDX(log_endpoint, TX, EVEN)].address = 0; |
| Kojto | 71:53949e6131f6 | 219 | } |
| Kojto | 71:53949e6131f6 | 220 | // OUT endpt -> host to device (RX) |
| Kojto | 71:53949e6131f6 | 221 | else { |
| Kojto | 71:53949e6131f6 | 222 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
| Kojto | 71:53949e6131f6 | 223 | USB_ENDPT_EPRXEN_MASK; // en RX (OUT) tran. |
| Kojto | 71:53949e6131f6 | 224 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].byte_count = maxPacket; |
| Kojto | 71:53949e6131f6 | 225 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].address = (uint32_t) buf; |
| Kojto | 71:53949e6131f6 | 226 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].info = BD_OWN_MASK | BD_DTS_MASK; |
| Kojto | 71:53949e6131f6 | 227 | bdt[EP_BDT_IDX(log_endpoint, RX, EVEN)].info = 0; |
| Kojto | 71:53949e6131f6 | 228 | } |
| Kojto | 71:53949e6131f6 | 229 | |
| Kojto | 71:53949e6131f6 | 230 | Data1 |= (1 << endpoint); |
| Kojto | 71:53949e6131f6 | 231 | |
| Kojto | 71:53949e6131f6 | 232 | return true; |
| Kojto | 71:53949e6131f6 | 233 | } |
| Kojto | 71:53949e6131f6 | 234 | |
| Kojto | 71:53949e6131f6 | 235 | // read setup packet |
| Kojto | 71:53949e6131f6 | 236 | void USBHAL::EP0setup(uint8_t *buffer) { |
| Kojto | 71:53949e6131f6 | 237 | uint32_t sz; |
| Kojto | 71:53949e6131f6 | 238 | endpointReadResult(EP0OUT, buffer, &sz); |
| Kojto | 71:53949e6131f6 | 239 | } |
| Kojto | 71:53949e6131f6 | 240 | |
| Kojto | 71:53949e6131f6 | 241 | void USBHAL::EP0readStage(void) { |
| Kojto | 71:53949e6131f6 | 242 | Data1 &= ~1UL; // set DATA0 |
| Kojto | 71:53949e6131f6 | 243 | bdt[0].info = (BD_DTS_MASK | BD_OWN_MASK); |
| Kojto | 71:53949e6131f6 | 244 | } |
| Kojto | 71:53949e6131f6 | 245 | |
| Kojto | 71:53949e6131f6 | 246 | void USBHAL::EP0read(void) { |
| Kojto | 71:53949e6131f6 | 247 | uint32_t idx = EP_BDT_IDX(PHY_TO_LOG(EP0OUT), RX, 0); |
| Kojto | 71:53949e6131f6 | 248 | bdt[idx].byte_count = MAX_PACKET_SIZE_EP0; |
| Kojto | 71:53949e6131f6 | 249 | } |
| Kojto | 71:53949e6131f6 | 250 | |
| Kojto | 71:53949e6131f6 | 251 | uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { |
| Kojto | 71:53949e6131f6 | 252 | uint32_t sz; |
| Kojto | 71:53949e6131f6 | 253 | endpointReadResult(EP0OUT, buffer, &sz); |
| Kojto | 71:53949e6131f6 | 254 | return sz; |
| Kojto | 71:53949e6131f6 | 255 | } |
| Kojto | 71:53949e6131f6 | 256 | |
| Kojto | 71:53949e6131f6 | 257 | void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { |
| Kojto | 71:53949e6131f6 | 258 | endpointWrite(EP0IN, buffer, size); |
| Kojto | 71:53949e6131f6 | 259 | } |
| Kojto | 71:53949e6131f6 | 260 | |
| Kojto | 71:53949e6131f6 | 261 | void USBHAL::EP0getWriteResult(void) { |
| Kojto | 71:53949e6131f6 | 262 | } |
| Kojto | 71:53949e6131f6 | 263 | |
| Kojto | 71:53949e6131f6 | 264 | void USBHAL::EP0stall(void) { |
| Kojto | 71:53949e6131f6 | 265 | stallEndpoint(EP0OUT); |
| Kojto | 71:53949e6131f6 | 266 | } |
| Kojto | 71:53949e6131f6 | 267 | |
| Kojto | 71:53949e6131f6 | 268 | EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { |
| Kojto | 71:53949e6131f6 | 269 | endpoint = PHY_TO_LOG(endpoint); |
| Kojto | 71:53949e6131f6 | 270 | uint32_t idx = EP_BDT_IDX(endpoint, RX, 0); |
| Kojto | 71:53949e6131f6 | 271 | bdt[idx].byte_count = maximumSize; |
| Kojto | 71:53949e6131f6 | 272 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 273 | } |
| Kojto | 71:53949e6131f6 | 274 | |
| Kojto | 71:53949e6131f6 | 275 | EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { |
| Kojto | 71:53949e6131f6 | 276 | uint32_t n, sz, idx, setup = 0; |
| Kojto | 71:53949e6131f6 | 277 | uint8_t not_iso; |
| Kojto | 71:53949e6131f6 | 278 | uint8_t * ep_buf; |
| Kojto | 71:53949e6131f6 | 279 | |
| Kojto | 71:53949e6131f6 | 280 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
| Kojto | 71:53949e6131f6 | 281 | |
| Kojto | 71:53949e6131f6 | 282 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
| Kojto | 71:53949e6131f6 | 283 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 284 | } |
| Kojto | 71:53949e6131f6 | 285 | |
| Kojto | 71:53949e6131f6 | 286 | // if read on a IN endpoint -> error |
| Kojto | 71:53949e6131f6 | 287 | if (IN_EP(endpoint)) { |
| Kojto | 71:53949e6131f6 | 288 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 289 | } |
| Kojto | 71:53949e6131f6 | 290 | |
| Kojto | 71:53949e6131f6 | 291 | idx = EP_BDT_IDX(log_endpoint, RX, 0); |
| Kojto | 71:53949e6131f6 | 292 | sz = bdt[idx].byte_count; |
| Kojto | 71:53949e6131f6 | 293 | not_iso = USB0->ENDPOINT[log_endpoint].ENDPT & USB_ENDPT_EPHSHK_MASK; |
| Kojto | 71:53949e6131f6 | 294 | |
| Kojto | 71:53949e6131f6 | 295 | //for isochronous endpoint, we don't wait an interrupt |
| Kojto | 71:53949e6131f6 | 296 | if ((log_endpoint != 0) && not_iso && !(epComplete & EP(endpoint))) { |
| Kojto | 71:53949e6131f6 | 297 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 298 | } |
| Kojto | 71:53949e6131f6 | 299 | |
| Kojto | 71:53949e6131f6 | 300 | if ((log_endpoint == 0) && (TOK_PID(idx) == SETUP_TOKEN)) { |
| Kojto | 71:53949e6131f6 | 301 | setup = 1; |
| Kojto | 71:53949e6131f6 | 302 | } |
| Kojto | 71:53949e6131f6 | 303 | |
| Kojto | 71:53949e6131f6 | 304 | ep_buf = endpoint_buffer[idx]; |
| Kojto | 71:53949e6131f6 | 305 | |
| Kojto | 71:53949e6131f6 | 306 | for (n = 0; n < sz; n++) { |
| Kojto | 71:53949e6131f6 | 307 | buffer[n] = ep_buf[n]; |
| Kojto | 71:53949e6131f6 | 308 | } |
| Kojto | 71:53949e6131f6 | 309 | |
| Kojto | 71:53949e6131f6 | 310 | if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) { |
| Kojto | 71:53949e6131f6 | 311 | if (setup && (buffer[6] == 0)) // if no setup data stage, |
| Kojto | 71:53949e6131f6 | 312 | Data1 &= ~1UL; // set DATA0 |
| Kojto | 71:53949e6131f6 | 313 | else |
| Kojto | 71:53949e6131f6 | 314 | Data1 ^= (1 << endpoint); |
| Kojto | 71:53949e6131f6 | 315 | } |
| Kojto | 71:53949e6131f6 | 316 | |
| Kojto | 71:53949e6131f6 | 317 | if (((Data1 >> endpoint) & 1)) { |
| Kojto | 71:53949e6131f6 | 318 | bdt[idx].info = BD_DTS_MASK | BD_DATA01_MASK | BD_OWN_MASK; |
| Kojto | 71:53949e6131f6 | 319 | } |
| Kojto | 71:53949e6131f6 | 320 | else { |
| Kojto | 71:53949e6131f6 | 321 | bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK; |
| Kojto | 71:53949e6131f6 | 322 | } |
| Kojto | 71:53949e6131f6 | 323 | |
| Kojto | 71:53949e6131f6 | 324 | USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; |
| Kojto | 71:53949e6131f6 | 325 | *bytesRead = sz; |
| Kojto | 71:53949e6131f6 | 326 | |
| Kojto | 71:53949e6131f6 | 327 | epComplete &= ~EP(endpoint); |
| Kojto | 71:53949e6131f6 | 328 | return EP_COMPLETED; |
| Kojto | 71:53949e6131f6 | 329 | } |
| Kojto | 71:53949e6131f6 | 330 | |
| Kojto | 71:53949e6131f6 | 331 | EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { |
| Kojto | 71:53949e6131f6 | 332 | uint32_t idx, n; |
| Kojto | 71:53949e6131f6 | 333 | uint8_t * ep_buf; |
| Kojto | 71:53949e6131f6 | 334 | |
| Kojto | 71:53949e6131f6 | 335 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
| Kojto | 71:53949e6131f6 | 336 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 337 | } |
| Kojto | 71:53949e6131f6 | 338 | |
| Kojto | 71:53949e6131f6 | 339 | // if write on a OUT endpoint -> error |
| Kojto | 71:53949e6131f6 | 340 | if (OUT_EP(endpoint)) { |
| Kojto | 71:53949e6131f6 | 341 | return EP_INVALID; |
| Kojto | 71:53949e6131f6 | 342 | } |
| Kojto | 71:53949e6131f6 | 343 | |
| Kojto | 71:53949e6131f6 | 344 | idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0); |
| Kojto | 71:53949e6131f6 | 345 | bdt[idx].byte_count = size; |
| Kojto | 71:53949e6131f6 | 346 | |
| Kojto | 71:53949e6131f6 | 347 | ep_buf = endpoint_buffer[idx]; |
| Kojto | 71:53949e6131f6 | 348 | |
| Kojto | 71:53949e6131f6 | 349 | for (n = 0; n < size; n++) { |
| Kojto | 71:53949e6131f6 | 350 | ep_buf[n] = data[n]; |
| Kojto | 71:53949e6131f6 | 351 | } |
| Kojto | 71:53949e6131f6 | 352 | |
| Kojto | 71:53949e6131f6 | 353 | if ((Data1 >> endpoint) & 1) { |
| Kojto | 71:53949e6131f6 | 354 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK; |
| Kojto | 71:53949e6131f6 | 355 | } else { |
| Kojto | 71:53949e6131f6 | 356 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK; |
| Kojto | 71:53949e6131f6 | 357 | } |
| Kojto | 71:53949e6131f6 | 358 | |
| Kojto | 71:53949e6131f6 | 359 | Data1 ^= (1 << endpoint); |
| Kojto | 71:53949e6131f6 | 360 | |
| Kojto | 71:53949e6131f6 | 361 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 362 | } |
| Kojto | 71:53949e6131f6 | 363 | |
| Kojto | 71:53949e6131f6 | 364 | EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { |
| Kojto | 71:53949e6131f6 | 365 | if (epComplete & EP(endpoint)) { |
| Kojto | 71:53949e6131f6 | 366 | epComplete &= ~EP(endpoint); |
| Kojto | 71:53949e6131f6 | 367 | return EP_COMPLETED; |
| Kojto | 71:53949e6131f6 | 368 | } |
| Kojto | 71:53949e6131f6 | 369 | |
| Kojto | 71:53949e6131f6 | 370 | return EP_PENDING; |
| Kojto | 71:53949e6131f6 | 371 | } |
| Kojto | 71:53949e6131f6 | 372 | |
| Kojto | 71:53949e6131f6 | 373 | void USBHAL::stallEndpoint(uint8_t endpoint) { |
| Kojto | 71:53949e6131f6 | 374 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT |= USB_ENDPT_EPSTALL_MASK; |
| Kojto | 71:53949e6131f6 | 375 | } |
| Kojto | 71:53949e6131f6 | 376 | |
| Kojto | 71:53949e6131f6 | 377 | void USBHAL::unstallEndpoint(uint8_t endpoint) { |
| Kojto | 71:53949e6131f6 | 378 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
| Kojto | 71:53949e6131f6 | 379 | } |
| Kojto | 71:53949e6131f6 | 380 | |
| Kojto | 71:53949e6131f6 | 381 | bool USBHAL::getEndpointStallState(uint8_t endpoint) { |
| Kojto | 71:53949e6131f6 | 382 | uint8_t stall = (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPSTALL_MASK); |
| Kojto | 71:53949e6131f6 | 383 | return (stall) ? true : false; |
| Kojto | 71:53949e6131f6 | 384 | } |
| Kojto | 71:53949e6131f6 | 385 | |
| Kojto | 71:53949e6131f6 | 386 | void USBHAL::remoteWakeup(void) { |
| Kojto | 71:53949e6131f6 | 387 | // [TODO] |
| Kojto | 71:53949e6131f6 | 388 | } |
| Kojto | 71:53949e6131f6 | 389 | |
| Kojto | 71:53949e6131f6 | 390 | |
| Kojto | 71:53949e6131f6 | 391 | void USBHAL::_usbisr(void) { |
| Kojto | 71:53949e6131f6 | 392 | instance->usbisr(); |
| Kojto | 71:53949e6131f6 | 393 | } |
| Kojto | 71:53949e6131f6 | 394 | |
| Kojto | 71:53949e6131f6 | 395 | |
| Kojto | 71:53949e6131f6 | 396 | void USBHAL::usbisr(void) { |
| Kojto | 71:53949e6131f6 | 397 | uint8_t i; |
| Kojto | 71:53949e6131f6 | 398 | uint8_t istat = USB0->ISTAT; |
| Kojto | 71:53949e6131f6 | 399 | |
| Kojto | 71:53949e6131f6 | 400 | // reset interrupt |
| Kojto | 71:53949e6131f6 | 401 | if (istat & USB_ISTAT_USBRST_MASK) { |
| Kojto | 71:53949e6131f6 | 402 | // disable all endpt |
| Kojto | 71:53949e6131f6 | 403 | for(i = 0; i < 16; i++) { |
| Kojto | 71:53949e6131f6 | 404 | USB0->ENDPOINT[i].ENDPT = 0x00; |
| Kojto | 71:53949e6131f6 | 405 | } |
| Kojto | 71:53949e6131f6 | 406 | |
| Kojto | 71:53949e6131f6 | 407 | // enable control endpoint |
| Kojto | 71:53949e6131f6 | 408 | realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); |
| Kojto | 71:53949e6131f6 | 409 | realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); |
| Kojto | 71:53949e6131f6 | 410 | |
| Kojto | 71:53949e6131f6 | 411 | Data1 = 0x55555555; |
| Kojto | 71:53949e6131f6 | 412 | USB0->CTL |= USB_CTL_ODDRST_MASK; |
| Kojto | 71:53949e6131f6 | 413 | |
| Kojto | 71:53949e6131f6 | 414 | USB0->ISTAT = 0xFF; // clear all interrupt status flags |
| Kojto | 71:53949e6131f6 | 415 | USB0->ERRSTAT = 0xFF; // clear all error flags |
| Kojto | 71:53949e6131f6 | 416 | USB0->ERREN = 0xFF; // enable error interrupt sources |
| Kojto | 71:53949e6131f6 | 417 | USB0->ADDR = 0x00; // set default address |
| Kojto | 71:53949e6131f6 | 418 | |
| Kojto | 71:53949e6131f6 | 419 | // reset bus for USBDevice layer |
| Kojto | 71:53949e6131f6 | 420 | busReset(); |
| Kojto | 71:53949e6131f6 | 421 | |
| Kojto | 71:53949e6131f6 | 422 | return; |
| Kojto | 71:53949e6131f6 | 423 | } |
| Kojto | 71:53949e6131f6 | 424 | |
| Kojto | 71:53949e6131f6 | 425 | // resume interrupt |
| Kojto | 71:53949e6131f6 | 426 | if (istat & USB_ISTAT_RESUME_MASK) { |
| Kojto | 71:53949e6131f6 | 427 | USB0->ISTAT = USB_ISTAT_RESUME_MASK; |
| Kojto | 71:53949e6131f6 | 428 | } |
| Kojto | 71:53949e6131f6 | 429 | |
| Kojto | 71:53949e6131f6 | 430 | // SOF interrupt |
| Kojto | 71:53949e6131f6 | 431 | if (istat & USB_ISTAT_SOFTOK_MASK) { |
| Kojto | 71:53949e6131f6 | 432 | USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; |
| Kojto | 71:53949e6131f6 | 433 | // SOF event, read frame number |
| Kojto | 71:53949e6131f6 | 434 | SOF(frameNumber()); |
| Kojto | 71:53949e6131f6 | 435 | } |
| Kojto | 71:53949e6131f6 | 436 | |
| Kojto | 71:53949e6131f6 | 437 | // stall interrupt |
| Kojto | 71:53949e6131f6 | 438 | if (istat & 1<<7) { |
| Kojto | 71:53949e6131f6 | 439 | if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) |
| Kojto | 71:53949e6131f6 | 440 | USB0->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
| Kojto | 71:53949e6131f6 | 441 | USB0->ISTAT |= USB_ISTAT_STALL_MASK; |
| Kojto | 71:53949e6131f6 | 442 | } |
| Kojto | 71:53949e6131f6 | 443 | |
| Kojto | 71:53949e6131f6 | 444 | // token interrupt |
| Kojto | 71:53949e6131f6 | 445 | if (istat & 1<<3) { |
| Kojto | 71:53949e6131f6 | 446 | uint32_t num = (USB0->STAT >> 4) & 0x0F; |
| Kojto | 71:53949e6131f6 | 447 | uint32_t dir = (USB0->STAT >> 3) & 0x01; |
| Kojto | 71:53949e6131f6 | 448 | uint32_t ev_odd = (USB0->STAT >> 2) & 0x01; |
| Kojto | 71:53949e6131f6 | 449 | int endpoint = (num << 1) | dir; |
| Kojto | 71:53949e6131f6 | 450 | |
| Kojto | 71:53949e6131f6 | 451 | // setup packet |
| Kojto | 71:53949e6131f6 | 452 | if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) { |
| Kojto | 71:53949e6131f6 | 453 | Data1 &= ~0x02; |
| Kojto | 71:53949e6131f6 | 454 | bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK; |
| Kojto | 71:53949e6131f6 | 455 | bdt[EP_BDT_IDX(0, TX, ODD)].info &= ~BD_OWN_MASK; |
| Kojto | 71:53949e6131f6 | 456 | |
| Kojto | 71:53949e6131f6 | 457 | // EP0 SETUP event (SETUP data received) |
| Kojto | 71:53949e6131f6 | 458 | EP0setupCallback(); |
| Kojto | 71:53949e6131f6 | 459 | |
| Kojto | 71:53949e6131f6 | 460 | } else { |
| Kojto | 71:53949e6131f6 | 461 | // OUT packet |
| Kojto | 71:53949e6131f6 | 462 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) { |
| Kojto | 71:53949e6131f6 | 463 | if (num == 0) |
| Kojto | 71:53949e6131f6 | 464 | EP0out(); |
| Kojto | 71:53949e6131f6 | 465 | else { |
| Kojto | 71:53949e6131f6 | 466 | epComplete |= EP(endpoint); |
| Kojto | 71:53949e6131f6 | 467 | if ((instance->*(epCallback[endpoint - 2]))()) { |
| Kojto | 71:53949e6131f6 | 468 | epComplete &= ~EP(endpoint); |
| Kojto | 71:53949e6131f6 | 469 | } |
| Kojto | 71:53949e6131f6 | 470 | } |
| Kojto | 71:53949e6131f6 | 471 | } |
| Kojto | 71:53949e6131f6 | 472 | |
| Kojto | 71:53949e6131f6 | 473 | // IN packet |
| Kojto | 71:53949e6131f6 | 474 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) { |
| Kojto | 71:53949e6131f6 | 475 | if (num == 0) { |
| Kojto | 71:53949e6131f6 | 476 | EP0in(); |
| Kojto | 71:53949e6131f6 | 477 | if (set_addr == 1) { |
| Kojto | 71:53949e6131f6 | 478 | USB0->ADDR = addr & 0x7F; |
| Kojto | 71:53949e6131f6 | 479 | set_addr = 0; |
| Kojto | 71:53949e6131f6 | 480 | } |
| Kojto | 71:53949e6131f6 | 481 | } |
| Kojto | 71:53949e6131f6 | 482 | else { |
| Kojto | 71:53949e6131f6 | 483 | epComplete |= EP(endpoint); |
| Kojto | 71:53949e6131f6 | 484 | if ((instance->*(epCallback[endpoint - 2]))()) { |
| Kojto | 71:53949e6131f6 | 485 | epComplete &= ~EP(endpoint); |
| Kojto | 71:53949e6131f6 | 486 | } |
| Kojto | 71:53949e6131f6 | 487 | } |
| Kojto | 71:53949e6131f6 | 488 | } |
| Kojto | 71:53949e6131f6 | 489 | } |
| Kojto | 71:53949e6131f6 | 490 | |
| Kojto | 71:53949e6131f6 | 491 | USB0->ISTAT = USB_ISTAT_TOKDNE_MASK; |
| Kojto | 71:53949e6131f6 | 492 | } |
| Kojto | 71:53949e6131f6 | 493 | |
| Kojto | 71:53949e6131f6 | 494 | // sleep interrupt |
| Kojto | 71:53949e6131f6 | 495 | if (istat & 1<<4) { |
| Kojto | 71:53949e6131f6 | 496 | USB0->ISTAT |= USB_ISTAT_SLEEP_MASK; |
| Kojto | 71:53949e6131f6 | 497 | } |
| Kojto | 71:53949e6131f6 | 498 | |
| Kojto | 71:53949e6131f6 | 499 | // error interrupt |
| Kojto | 71:53949e6131f6 | 500 | if (istat & USB_ISTAT_ERROR_MASK) { |
| Kojto | 71:53949e6131f6 | 501 | USB0->ERRSTAT = 0xFF; |
| Kojto | 71:53949e6131f6 | 502 | USB0->ISTAT |= USB_ISTAT_ERROR_MASK; |
| Kojto | 71:53949e6131f6 | 503 | } |
| Kojto | 71:53949e6131f6 | 504 | } |
| Kojto | 71:53949e6131f6 | 505 | |
| Kojto | 71:53949e6131f6 | 506 | |
| Kojto | 71:53949e6131f6 | 507 | #endif |
