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Kalibriersoftware Stromwerte
USBDevice/USBHAL_KL25Z.cpp@0:5e35c180ed4a, 2015-11-23 (annotated)
- Committer:
- Racer01014
- Date:
- Mon Nov 23 16:09:54 2015 +0000
- Revision:
- 0:5e35c180ed4a
-
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Racer01014 | 0:5e35c180ed4a | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
Racer01014 | 0:5e35c180ed4a | 2 | * |
Racer01014 | 0:5e35c180ed4a | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
Racer01014 | 0:5e35c180ed4a | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
Racer01014 | 0:5e35c180ed4a | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
Racer01014 | 0:5e35c180ed4a | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
Racer01014 | 0:5e35c180ed4a | 7 | * Software is furnished to do so, subject to the following conditions: |
Racer01014 | 0:5e35c180ed4a | 8 | * |
Racer01014 | 0:5e35c180ed4a | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
Racer01014 | 0:5e35c180ed4a | 10 | * substantial portions of the Software. |
Racer01014 | 0:5e35c180ed4a | 11 | * |
Racer01014 | 0:5e35c180ed4a | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
Racer01014 | 0:5e35c180ed4a | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Racer01014 | 0:5e35c180ed4a | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
Racer01014 | 0:5e35c180ed4a | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Racer01014 | 0:5e35c180ed4a | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Racer01014 | 0:5e35c180ed4a | 17 | */ |
Racer01014 | 0:5e35c180ed4a | 18 | |
Racer01014 | 0:5e35c180ed4a | 19 | #if defined(TARGET_KL25Z) |
Racer01014 | 0:5e35c180ed4a | 20 | |
Racer01014 | 0:5e35c180ed4a | 21 | #include "USBHAL.h" |
Racer01014 | 0:5e35c180ed4a | 22 | |
Racer01014 | 0:5e35c180ed4a | 23 | USBHAL * USBHAL::instance; |
Racer01014 | 0:5e35c180ed4a | 24 | |
Racer01014 | 0:5e35c180ed4a | 25 | static volatile int epComplete = 0; |
Racer01014 | 0:5e35c180ed4a | 26 | |
Racer01014 | 0:5e35c180ed4a | 27 | // Convert physical endpoint number to register bit |
Racer01014 | 0:5e35c180ed4a | 28 | #define EP(endpoint) (1<<(endpoint)) |
Racer01014 | 0:5e35c180ed4a | 29 | |
Racer01014 | 0:5e35c180ed4a | 30 | // Convert physical to logical |
Racer01014 | 0:5e35c180ed4a | 31 | #define PHY_TO_LOG(endpoint) ((endpoint)>>1) |
Racer01014 | 0:5e35c180ed4a | 32 | |
Racer01014 | 0:5e35c180ed4a | 33 | // Get endpoint direction |
Racer01014 | 0:5e35c180ed4a | 34 | #define IN_EP(endpoint) ((endpoint) & 1U ? true : false) |
Racer01014 | 0:5e35c180ed4a | 35 | #define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) |
Racer01014 | 0:5e35c180ed4a | 36 | |
Racer01014 | 0:5e35c180ed4a | 37 | #define BD_OWN_MASK (1<<7) |
Racer01014 | 0:5e35c180ed4a | 38 | #define BD_DATA01_MASK (1<<6) |
Racer01014 | 0:5e35c180ed4a | 39 | #define BD_KEEP_MASK (1<<5) |
Racer01014 | 0:5e35c180ed4a | 40 | #define BD_NINC_MASK (1<<4) |
Racer01014 | 0:5e35c180ed4a | 41 | #define BD_DTS_MASK (1<<3) |
Racer01014 | 0:5e35c180ed4a | 42 | #define BD_STALL_MASK (1<<2) |
Racer01014 | 0:5e35c180ed4a | 43 | |
Racer01014 | 0:5e35c180ed4a | 44 | #define TX 1 |
Racer01014 | 0:5e35c180ed4a | 45 | #define RX 0 |
Racer01014 | 0:5e35c180ed4a | 46 | #define ODD 0 |
Racer01014 | 0:5e35c180ed4a | 47 | #define EVEN 1 |
Racer01014 | 0:5e35c180ed4a | 48 | // this macro waits a physical endpoint number |
Racer01014 | 0:5e35c180ed4a | 49 | #define EP_BDT_IDX(ep, dir, odd) (((ep * 4) + (2 * dir) + (1 * odd))) |
Racer01014 | 0:5e35c180ed4a | 50 | |
Racer01014 | 0:5e35c180ed4a | 51 | #define SETUP_TOKEN 0x0D |
Racer01014 | 0:5e35c180ed4a | 52 | #define IN_TOKEN 0x09 |
Racer01014 | 0:5e35c180ed4a | 53 | #define OUT_TOKEN 0x01 |
Racer01014 | 0:5e35c180ed4a | 54 | #define TOK_PID(idx) ((bdt[idx].info >> 2) & 0x0F) |
Racer01014 | 0:5e35c180ed4a | 55 | |
Racer01014 | 0:5e35c180ed4a | 56 | // for each endpt: 8 bytes |
Racer01014 | 0:5e35c180ed4a | 57 | typedef struct BDT { |
Racer01014 | 0:5e35c180ed4a | 58 | uint8_t info; // BD[0:7] |
Racer01014 | 0:5e35c180ed4a | 59 | uint8_t dummy; // RSVD: BD[8:15] |
Racer01014 | 0:5e35c180ed4a | 60 | uint16_t byte_count; // BD[16:32] |
Racer01014 | 0:5e35c180ed4a | 61 | uint32_t address; // Addr |
Racer01014 | 0:5e35c180ed4a | 62 | } BDT; |
Racer01014 | 0:5e35c180ed4a | 63 | |
Racer01014 | 0:5e35c180ed4a | 64 | |
Racer01014 | 0:5e35c180ed4a | 65 | // there are: |
Racer01014 | 0:5e35c180ed4a | 66 | // * 16 bidirectionnal endpt -> 32 physical endpt |
Racer01014 | 0:5e35c180ed4a | 67 | // * as there are ODD and EVEN buffer -> 32*2 bdt |
Racer01014 | 0:5e35c180ed4a | 68 | __attribute__((__aligned__(512))) BDT bdt[NUMBER_OF_PHYSICAL_ENDPOINTS * 2]; |
Racer01014 | 0:5e35c180ed4a | 69 | uint8_t endpoint_buffer[(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2][64]; |
Racer01014 | 0:5e35c180ed4a | 70 | uint8_t endpoint_buffer_iso[2*2][1023]; |
Racer01014 | 0:5e35c180ed4a | 71 | |
Racer01014 | 0:5e35c180ed4a | 72 | static uint8_t set_addr = 0; |
Racer01014 | 0:5e35c180ed4a | 73 | static uint8_t addr = 0; |
Racer01014 | 0:5e35c180ed4a | 74 | |
Racer01014 | 0:5e35c180ed4a | 75 | static uint32_t Data1 = 0x55555555; |
Racer01014 | 0:5e35c180ed4a | 76 | |
Racer01014 | 0:5e35c180ed4a | 77 | static uint32_t frameNumber() { |
Racer01014 | 0:5e35c180ed4a | 78 | return((USB0->FRMNUML | (USB0->FRMNUMH << 8) & 0x07FF)); |
Racer01014 | 0:5e35c180ed4a | 79 | } |
Racer01014 | 0:5e35c180ed4a | 80 | |
Racer01014 | 0:5e35c180ed4a | 81 | uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { |
Racer01014 | 0:5e35c180ed4a | 82 | return 0; |
Racer01014 | 0:5e35c180ed4a | 83 | } |
Racer01014 | 0:5e35c180ed4a | 84 | |
Racer01014 | 0:5e35c180ed4a | 85 | USBHAL::USBHAL(void) { |
Racer01014 | 0:5e35c180ed4a | 86 | // Disable IRQ |
Racer01014 | 0:5e35c180ed4a | 87 | NVIC_DisableIRQ(USB0_IRQn); |
Racer01014 | 0:5e35c180ed4a | 88 | |
Racer01014 | 0:5e35c180ed4a | 89 | // fill in callback array |
Racer01014 | 0:5e35c180ed4a | 90 | epCallback[0] = &USBHAL::EP1_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 91 | epCallback[1] = &USBHAL::EP1_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 92 | epCallback[2] = &USBHAL::EP2_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 93 | epCallback[3] = &USBHAL::EP2_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 94 | epCallback[4] = &USBHAL::EP3_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 95 | epCallback[5] = &USBHAL::EP3_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 96 | epCallback[6] = &USBHAL::EP4_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 97 | epCallback[7] = &USBHAL::EP4_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 98 | epCallback[8] = &USBHAL::EP5_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 99 | epCallback[9] = &USBHAL::EP5_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 100 | epCallback[10] = &USBHAL::EP6_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 101 | epCallback[11] = &USBHAL::EP6_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 102 | epCallback[12] = &USBHAL::EP7_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 103 | epCallback[13] = &USBHAL::EP7_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 104 | epCallback[14] = &USBHAL::EP8_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 105 | epCallback[15] = &USBHAL::EP8_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 106 | epCallback[16] = &USBHAL::EP9_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 107 | epCallback[17] = &USBHAL::EP9_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 108 | epCallback[18] = &USBHAL::EP10_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 109 | epCallback[19] = &USBHAL::EP10_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 110 | epCallback[20] = &USBHAL::EP11_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 111 | epCallback[21] = &USBHAL::EP11_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 112 | epCallback[22] = &USBHAL::EP12_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 113 | epCallback[23] = &USBHAL::EP12_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 114 | epCallback[24] = &USBHAL::EP13_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 115 | epCallback[25] = &USBHAL::EP13_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 116 | epCallback[26] = &USBHAL::EP14_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 117 | epCallback[27] = &USBHAL::EP14_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 118 | epCallback[28] = &USBHAL::EP15_OUT_callback; |
Racer01014 | 0:5e35c180ed4a | 119 | epCallback[29] = &USBHAL::EP15_IN_callback; |
Racer01014 | 0:5e35c180ed4a | 120 | |
Racer01014 | 0:5e35c180ed4a | 121 | |
Racer01014 | 0:5e35c180ed4a | 122 | // choose usb src as PLL |
Racer01014 | 0:5e35c180ed4a | 123 | SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_PLLFLLSEL_MASK); |
Racer01014 | 0:5e35c180ed4a | 124 | |
Racer01014 | 0:5e35c180ed4a | 125 | // enable OTG clock |
Racer01014 | 0:5e35c180ed4a | 126 | SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; |
Racer01014 | 0:5e35c180ed4a | 127 | |
Racer01014 | 0:5e35c180ed4a | 128 | // Attach IRQ |
Racer01014 | 0:5e35c180ed4a | 129 | instance = this; |
Racer01014 | 0:5e35c180ed4a | 130 | NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr); |
Racer01014 | 0:5e35c180ed4a | 131 | NVIC_EnableIRQ(USB0_IRQn); |
Racer01014 | 0:5e35c180ed4a | 132 | |
Racer01014 | 0:5e35c180ed4a | 133 | // USB Module Configuration |
Racer01014 | 0:5e35c180ed4a | 134 | // Reset USB Module |
Racer01014 | 0:5e35c180ed4a | 135 | USB0->USBTRC0 |= USB_USBTRC0_USBRESET_MASK; |
Racer01014 | 0:5e35c180ed4a | 136 | while(USB0->USBTRC0 & USB_USBTRC0_USBRESET_MASK); |
Racer01014 | 0:5e35c180ed4a | 137 | |
Racer01014 | 0:5e35c180ed4a | 138 | // Set BDT Base Register |
Racer01014 | 0:5e35c180ed4a | 139 | USB0->BDTPAGE1=(uint8_t)((uint32_t)bdt>>8); |
Racer01014 | 0:5e35c180ed4a | 140 | USB0->BDTPAGE2=(uint8_t)((uint32_t)bdt>>16); |
Racer01014 | 0:5e35c180ed4a | 141 | USB0->BDTPAGE3=(uint8_t)((uint32_t)bdt>>24); |
Racer01014 | 0:5e35c180ed4a | 142 | |
Racer01014 | 0:5e35c180ed4a | 143 | // Clear interrupt flag |
Racer01014 | 0:5e35c180ed4a | 144 | USB0->ISTAT = 0xff; |
Racer01014 | 0:5e35c180ed4a | 145 | |
Racer01014 | 0:5e35c180ed4a | 146 | // USB Interrupt Enablers |
Racer01014 | 0:5e35c180ed4a | 147 | USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | |
Racer01014 | 0:5e35c180ed4a | 148 | USB_INTEN_SOFTOKEN_MASK | |
Racer01014 | 0:5e35c180ed4a | 149 | USB_INTEN_ERROREN_MASK | |
Racer01014 | 0:5e35c180ed4a | 150 | USB_INTEN_USBRSTEN_MASK; |
Racer01014 | 0:5e35c180ed4a | 151 | |
Racer01014 | 0:5e35c180ed4a | 152 | // Disable weak pull downs |
Racer01014 | 0:5e35c180ed4a | 153 | USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); |
Racer01014 | 0:5e35c180ed4a | 154 | |
Racer01014 | 0:5e35c180ed4a | 155 | USB0->USBTRC0 |= 0x40; |
Racer01014 | 0:5e35c180ed4a | 156 | } |
Racer01014 | 0:5e35c180ed4a | 157 | |
Racer01014 | 0:5e35c180ed4a | 158 | USBHAL::~USBHAL(void) { } |
Racer01014 | 0:5e35c180ed4a | 159 | |
Racer01014 | 0:5e35c180ed4a | 160 | void USBHAL::connect(void) { |
Racer01014 | 0:5e35c180ed4a | 161 | // enable USB |
Racer01014 | 0:5e35c180ed4a | 162 | USB0->CTL |= USB_CTL_USBENSOFEN_MASK; |
Racer01014 | 0:5e35c180ed4a | 163 | // Pull up enable |
Racer01014 | 0:5e35c180ed4a | 164 | USB0->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK; |
Racer01014 | 0:5e35c180ed4a | 165 | } |
Racer01014 | 0:5e35c180ed4a | 166 | |
Racer01014 | 0:5e35c180ed4a | 167 | void USBHAL::disconnect(void) { |
Racer01014 | 0:5e35c180ed4a | 168 | // disable USB |
Racer01014 | 0:5e35c180ed4a | 169 | USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK; |
Racer01014 | 0:5e35c180ed4a | 170 | // Pull up disable |
Racer01014 | 0:5e35c180ed4a | 171 | USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; |
Racer01014 | 0:5e35c180ed4a | 172 | } |
Racer01014 | 0:5e35c180ed4a | 173 | |
Racer01014 | 0:5e35c180ed4a | 174 | void USBHAL::configureDevice(void) { |
Racer01014 | 0:5e35c180ed4a | 175 | // not needed |
Racer01014 | 0:5e35c180ed4a | 176 | } |
Racer01014 | 0:5e35c180ed4a | 177 | |
Racer01014 | 0:5e35c180ed4a | 178 | void USBHAL::unconfigureDevice(void) { |
Racer01014 | 0:5e35c180ed4a | 179 | // not needed |
Racer01014 | 0:5e35c180ed4a | 180 | } |
Racer01014 | 0:5e35c180ed4a | 181 | |
Racer01014 | 0:5e35c180ed4a | 182 | void USBHAL::setAddress(uint8_t address) { |
Racer01014 | 0:5e35c180ed4a | 183 | // we don't set the address now otherwise the usb controller does not ack |
Racer01014 | 0:5e35c180ed4a | 184 | // we set a flag instead |
Racer01014 | 0:5e35c180ed4a | 185 | // see usbisr when an IN token is received |
Racer01014 | 0:5e35c180ed4a | 186 | set_addr = 1; |
Racer01014 | 0:5e35c180ed4a | 187 | addr = address; |
Racer01014 | 0:5e35c180ed4a | 188 | } |
Racer01014 | 0:5e35c180ed4a | 189 | |
Racer01014 | 0:5e35c180ed4a | 190 | bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { |
Racer01014 | 0:5e35c180ed4a | 191 | uint32_t handshake_flag = 0; |
Racer01014 | 0:5e35c180ed4a | 192 | uint8_t * buf; |
Racer01014 | 0:5e35c180ed4a | 193 | |
Racer01014 | 0:5e35c180ed4a | 194 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
Racer01014 | 0:5e35c180ed4a | 195 | return false; |
Racer01014 | 0:5e35c180ed4a | 196 | } |
Racer01014 | 0:5e35c180ed4a | 197 | |
Racer01014 | 0:5e35c180ed4a | 198 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
Racer01014 | 0:5e35c180ed4a | 199 | |
Racer01014 | 0:5e35c180ed4a | 200 | if ((flags & ISOCHRONOUS) == 0) { |
Racer01014 | 0:5e35c180ed4a | 201 | handshake_flag = USB_ENDPT_EPHSHK_MASK; |
Racer01014 | 0:5e35c180ed4a | 202 | if (IN_EP(endpoint)) |
Racer01014 | 0:5e35c180ed4a | 203 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD )][0]; |
Racer01014 | 0:5e35c180ed4a | 204 | else |
Racer01014 | 0:5e35c180ed4a | 205 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD )][0]; |
Racer01014 | 0:5e35c180ed4a | 206 | } else { |
Racer01014 | 0:5e35c180ed4a | 207 | if (IN_EP(endpoint)) |
Racer01014 | 0:5e35c180ed4a | 208 | buf = &endpoint_buffer_iso[2][0]; |
Racer01014 | 0:5e35c180ed4a | 209 | else |
Racer01014 | 0:5e35c180ed4a | 210 | buf = &endpoint_buffer_iso[0][0]; |
Racer01014 | 0:5e35c180ed4a | 211 | } |
Racer01014 | 0:5e35c180ed4a | 212 | |
Racer01014 | 0:5e35c180ed4a | 213 | // IN endpt -> device to host (TX) |
Racer01014 | 0:5e35c180ed4a | 214 | if (IN_EP(endpoint)) { |
Racer01014 | 0:5e35c180ed4a | 215 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
Racer01014 | 0:5e35c180ed4a | 216 | USB_ENDPT_EPTXEN_MASK; // en TX (IN) tran |
Racer01014 | 0:5e35c180ed4a | 217 | bdt[EP_BDT_IDX(log_endpoint, TX, ODD )].address = (uint32_t) buf; |
Racer01014 | 0:5e35c180ed4a | 218 | bdt[EP_BDT_IDX(log_endpoint, TX, EVEN)].address = 0; |
Racer01014 | 0:5e35c180ed4a | 219 | } |
Racer01014 | 0:5e35c180ed4a | 220 | // OUT endpt -> host to device (RX) |
Racer01014 | 0:5e35c180ed4a | 221 | else { |
Racer01014 | 0:5e35c180ed4a | 222 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
Racer01014 | 0:5e35c180ed4a | 223 | USB_ENDPT_EPRXEN_MASK; // en RX (OUT) tran. |
Racer01014 | 0:5e35c180ed4a | 224 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].byte_count = maxPacket; |
Racer01014 | 0:5e35c180ed4a | 225 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].address = (uint32_t) buf; |
Racer01014 | 0:5e35c180ed4a | 226 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].info = BD_OWN_MASK | BD_DTS_MASK; |
Racer01014 | 0:5e35c180ed4a | 227 | bdt[EP_BDT_IDX(log_endpoint, RX, EVEN)].info = 0; |
Racer01014 | 0:5e35c180ed4a | 228 | } |
Racer01014 | 0:5e35c180ed4a | 229 | |
Racer01014 | 0:5e35c180ed4a | 230 | Data1 |= (1 << endpoint); |
Racer01014 | 0:5e35c180ed4a | 231 | |
Racer01014 | 0:5e35c180ed4a | 232 | return true; |
Racer01014 | 0:5e35c180ed4a | 233 | } |
Racer01014 | 0:5e35c180ed4a | 234 | |
Racer01014 | 0:5e35c180ed4a | 235 | // read setup packet |
Racer01014 | 0:5e35c180ed4a | 236 | void USBHAL::EP0setup(uint8_t *buffer) { |
Racer01014 | 0:5e35c180ed4a | 237 | uint32_t sz; |
Racer01014 | 0:5e35c180ed4a | 238 | endpointReadResult(EP0OUT, buffer, &sz); |
Racer01014 | 0:5e35c180ed4a | 239 | } |
Racer01014 | 0:5e35c180ed4a | 240 | |
Racer01014 | 0:5e35c180ed4a | 241 | void USBHAL::EP0readStage(void) { |
Racer01014 | 0:5e35c180ed4a | 242 | Data1 &= ~1UL; // set DATA0 |
Racer01014 | 0:5e35c180ed4a | 243 | bdt[0].info = (BD_DTS_MASK | BD_OWN_MASK); |
Racer01014 | 0:5e35c180ed4a | 244 | } |
Racer01014 | 0:5e35c180ed4a | 245 | |
Racer01014 | 0:5e35c180ed4a | 246 | void USBHAL::EP0read(void) { |
Racer01014 | 0:5e35c180ed4a | 247 | uint32_t idx = EP_BDT_IDX(PHY_TO_LOG(EP0OUT), RX, 0); |
Racer01014 | 0:5e35c180ed4a | 248 | bdt[idx].byte_count = MAX_PACKET_SIZE_EP0; |
Racer01014 | 0:5e35c180ed4a | 249 | } |
Racer01014 | 0:5e35c180ed4a | 250 | |
Racer01014 | 0:5e35c180ed4a | 251 | uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { |
Racer01014 | 0:5e35c180ed4a | 252 | uint32_t sz; |
Racer01014 | 0:5e35c180ed4a | 253 | endpointReadResult(EP0OUT, buffer, &sz); |
Racer01014 | 0:5e35c180ed4a | 254 | return sz; |
Racer01014 | 0:5e35c180ed4a | 255 | } |
Racer01014 | 0:5e35c180ed4a | 256 | |
Racer01014 | 0:5e35c180ed4a | 257 | void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { |
Racer01014 | 0:5e35c180ed4a | 258 | endpointWrite(EP0IN, buffer, size); |
Racer01014 | 0:5e35c180ed4a | 259 | } |
Racer01014 | 0:5e35c180ed4a | 260 | |
Racer01014 | 0:5e35c180ed4a | 261 | void USBHAL::EP0getWriteResult(void) { |
Racer01014 | 0:5e35c180ed4a | 262 | } |
Racer01014 | 0:5e35c180ed4a | 263 | |
Racer01014 | 0:5e35c180ed4a | 264 | void USBHAL::EP0stall(void) { |
Racer01014 | 0:5e35c180ed4a | 265 | stallEndpoint(EP0OUT); |
Racer01014 | 0:5e35c180ed4a | 266 | } |
Racer01014 | 0:5e35c180ed4a | 267 | |
Racer01014 | 0:5e35c180ed4a | 268 | EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { |
Racer01014 | 0:5e35c180ed4a | 269 | endpoint = PHY_TO_LOG(endpoint); |
Racer01014 | 0:5e35c180ed4a | 270 | uint32_t idx = EP_BDT_IDX(endpoint, RX, 0); |
Racer01014 | 0:5e35c180ed4a | 271 | bdt[idx].byte_count = maximumSize; |
Racer01014 | 0:5e35c180ed4a | 272 | return EP_PENDING; |
Racer01014 | 0:5e35c180ed4a | 273 | } |
Racer01014 | 0:5e35c180ed4a | 274 | |
Racer01014 | 0:5e35c180ed4a | 275 | EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { |
Racer01014 | 0:5e35c180ed4a | 276 | uint32_t n, sz, idx, setup = 0; |
Racer01014 | 0:5e35c180ed4a | 277 | uint8_t not_iso; |
Racer01014 | 0:5e35c180ed4a | 278 | uint8_t * ep_buf; |
Racer01014 | 0:5e35c180ed4a | 279 | |
Racer01014 | 0:5e35c180ed4a | 280 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
Racer01014 | 0:5e35c180ed4a | 281 | |
Racer01014 | 0:5e35c180ed4a | 282 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
Racer01014 | 0:5e35c180ed4a | 283 | return EP_INVALID; |
Racer01014 | 0:5e35c180ed4a | 284 | } |
Racer01014 | 0:5e35c180ed4a | 285 | |
Racer01014 | 0:5e35c180ed4a | 286 | // if read on a IN endpoint -> error |
Racer01014 | 0:5e35c180ed4a | 287 | if (IN_EP(endpoint)) { |
Racer01014 | 0:5e35c180ed4a | 288 | return EP_INVALID; |
Racer01014 | 0:5e35c180ed4a | 289 | } |
Racer01014 | 0:5e35c180ed4a | 290 | |
Racer01014 | 0:5e35c180ed4a | 291 | idx = EP_BDT_IDX(log_endpoint, RX, 0); |
Racer01014 | 0:5e35c180ed4a | 292 | sz = bdt[idx].byte_count; |
Racer01014 | 0:5e35c180ed4a | 293 | not_iso = USB0->ENDPOINT[log_endpoint].ENDPT & USB_ENDPT_EPHSHK_MASK; |
Racer01014 | 0:5e35c180ed4a | 294 | |
Racer01014 | 0:5e35c180ed4a | 295 | //for isochronous endpoint, we don't wait an interrupt |
Racer01014 | 0:5e35c180ed4a | 296 | if ((log_endpoint != 0) && not_iso && !(epComplete & EP(endpoint))) { |
Racer01014 | 0:5e35c180ed4a | 297 | return EP_PENDING; |
Racer01014 | 0:5e35c180ed4a | 298 | } |
Racer01014 | 0:5e35c180ed4a | 299 | |
Racer01014 | 0:5e35c180ed4a | 300 | if ((log_endpoint == 0) && (TOK_PID(idx) == SETUP_TOKEN)) { |
Racer01014 | 0:5e35c180ed4a | 301 | setup = 1; |
Racer01014 | 0:5e35c180ed4a | 302 | } |
Racer01014 | 0:5e35c180ed4a | 303 | |
Racer01014 | 0:5e35c180ed4a | 304 | // non iso endpoint |
Racer01014 | 0:5e35c180ed4a | 305 | if (not_iso) { |
Racer01014 | 0:5e35c180ed4a | 306 | ep_buf = endpoint_buffer[idx]; |
Racer01014 | 0:5e35c180ed4a | 307 | } else { |
Racer01014 | 0:5e35c180ed4a | 308 | ep_buf = endpoint_buffer_iso[0]; |
Racer01014 | 0:5e35c180ed4a | 309 | } |
Racer01014 | 0:5e35c180ed4a | 310 | |
Racer01014 | 0:5e35c180ed4a | 311 | for (n = 0; n < sz; n++) { |
Racer01014 | 0:5e35c180ed4a | 312 | buffer[n] = ep_buf[n]; |
Racer01014 | 0:5e35c180ed4a | 313 | } |
Racer01014 | 0:5e35c180ed4a | 314 | |
Racer01014 | 0:5e35c180ed4a | 315 | if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) { |
Racer01014 | 0:5e35c180ed4a | 316 | if (setup && (buffer[6] == 0)) // if no setup data stage, |
Racer01014 | 0:5e35c180ed4a | 317 | Data1 &= ~1UL; // set DATA0 |
Racer01014 | 0:5e35c180ed4a | 318 | else |
Racer01014 | 0:5e35c180ed4a | 319 | Data1 ^= (1 << endpoint); |
Racer01014 | 0:5e35c180ed4a | 320 | } |
Racer01014 | 0:5e35c180ed4a | 321 | |
Racer01014 | 0:5e35c180ed4a | 322 | if (((Data1 >> endpoint) & 1)) { |
Racer01014 | 0:5e35c180ed4a | 323 | bdt[idx].info = BD_DTS_MASK | BD_DATA01_MASK | BD_OWN_MASK; |
Racer01014 | 0:5e35c180ed4a | 324 | } |
Racer01014 | 0:5e35c180ed4a | 325 | else { |
Racer01014 | 0:5e35c180ed4a | 326 | bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK; |
Racer01014 | 0:5e35c180ed4a | 327 | } |
Racer01014 | 0:5e35c180ed4a | 328 | |
Racer01014 | 0:5e35c180ed4a | 329 | USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; |
Racer01014 | 0:5e35c180ed4a | 330 | *bytesRead = sz; |
Racer01014 | 0:5e35c180ed4a | 331 | |
Racer01014 | 0:5e35c180ed4a | 332 | epComplete &= ~EP(endpoint); |
Racer01014 | 0:5e35c180ed4a | 333 | return EP_COMPLETED; |
Racer01014 | 0:5e35c180ed4a | 334 | } |
Racer01014 | 0:5e35c180ed4a | 335 | |
Racer01014 | 0:5e35c180ed4a | 336 | EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { |
Racer01014 | 0:5e35c180ed4a | 337 | uint32_t idx, n; |
Racer01014 | 0:5e35c180ed4a | 338 | uint8_t * ep_buf; |
Racer01014 | 0:5e35c180ed4a | 339 | |
Racer01014 | 0:5e35c180ed4a | 340 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
Racer01014 | 0:5e35c180ed4a | 341 | return EP_INVALID; |
Racer01014 | 0:5e35c180ed4a | 342 | } |
Racer01014 | 0:5e35c180ed4a | 343 | |
Racer01014 | 0:5e35c180ed4a | 344 | // if write on a OUT endpoint -> error |
Racer01014 | 0:5e35c180ed4a | 345 | if (OUT_EP(endpoint)) { |
Racer01014 | 0:5e35c180ed4a | 346 | return EP_INVALID; |
Racer01014 | 0:5e35c180ed4a | 347 | } |
Racer01014 | 0:5e35c180ed4a | 348 | |
Racer01014 | 0:5e35c180ed4a | 349 | idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0); |
Racer01014 | 0:5e35c180ed4a | 350 | bdt[idx].byte_count = size; |
Racer01014 | 0:5e35c180ed4a | 351 | |
Racer01014 | 0:5e35c180ed4a | 352 | |
Racer01014 | 0:5e35c180ed4a | 353 | // non iso endpoint |
Racer01014 | 0:5e35c180ed4a | 354 | if (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPHSHK_MASK) { |
Racer01014 | 0:5e35c180ed4a | 355 | ep_buf = endpoint_buffer[idx]; |
Racer01014 | 0:5e35c180ed4a | 356 | } else { |
Racer01014 | 0:5e35c180ed4a | 357 | ep_buf = endpoint_buffer_iso[2]; |
Racer01014 | 0:5e35c180ed4a | 358 | } |
Racer01014 | 0:5e35c180ed4a | 359 | |
Racer01014 | 0:5e35c180ed4a | 360 | for (n = 0; n < size; n++) { |
Racer01014 | 0:5e35c180ed4a | 361 | ep_buf[n] = data[n]; |
Racer01014 | 0:5e35c180ed4a | 362 | } |
Racer01014 | 0:5e35c180ed4a | 363 | |
Racer01014 | 0:5e35c180ed4a | 364 | if ((Data1 >> endpoint) & 1) { |
Racer01014 | 0:5e35c180ed4a | 365 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK; |
Racer01014 | 0:5e35c180ed4a | 366 | } else { |
Racer01014 | 0:5e35c180ed4a | 367 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK; |
Racer01014 | 0:5e35c180ed4a | 368 | } |
Racer01014 | 0:5e35c180ed4a | 369 | |
Racer01014 | 0:5e35c180ed4a | 370 | Data1 ^= (1 << endpoint); |
Racer01014 | 0:5e35c180ed4a | 371 | |
Racer01014 | 0:5e35c180ed4a | 372 | return EP_PENDING; |
Racer01014 | 0:5e35c180ed4a | 373 | } |
Racer01014 | 0:5e35c180ed4a | 374 | |
Racer01014 | 0:5e35c180ed4a | 375 | EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { |
Racer01014 | 0:5e35c180ed4a | 376 | if (epComplete & EP(endpoint)) { |
Racer01014 | 0:5e35c180ed4a | 377 | epComplete &= ~EP(endpoint); |
Racer01014 | 0:5e35c180ed4a | 378 | return EP_COMPLETED; |
Racer01014 | 0:5e35c180ed4a | 379 | } |
Racer01014 | 0:5e35c180ed4a | 380 | |
Racer01014 | 0:5e35c180ed4a | 381 | return EP_PENDING; |
Racer01014 | 0:5e35c180ed4a | 382 | } |
Racer01014 | 0:5e35c180ed4a | 383 | |
Racer01014 | 0:5e35c180ed4a | 384 | void USBHAL::stallEndpoint(uint8_t endpoint) { |
Racer01014 | 0:5e35c180ed4a | 385 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT |= USB_ENDPT_EPSTALL_MASK; |
Racer01014 | 0:5e35c180ed4a | 386 | } |
Racer01014 | 0:5e35c180ed4a | 387 | |
Racer01014 | 0:5e35c180ed4a | 388 | void USBHAL::unstallEndpoint(uint8_t endpoint) { |
Racer01014 | 0:5e35c180ed4a | 389 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
Racer01014 | 0:5e35c180ed4a | 390 | } |
Racer01014 | 0:5e35c180ed4a | 391 | |
Racer01014 | 0:5e35c180ed4a | 392 | bool USBHAL::getEndpointStallState(uint8_t endpoint) { |
Racer01014 | 0:5e35c180ed4a | 393 | uint8_t stall = (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPSTALL_MASK); |
Racer01014 | 0:5e35c180ed4a | 394 | return (stall) ? true : false; |
Racer01014 | 0:5e35c180ed4a | 395 | } |
Racer01014 | 0:5e35c180ed4a | 396 | |
Racer01014 | 0:5e35c180ed4a | 397 | void USBHAL::remoteWakeup(void) { |
Racer01014 | 0:5e35c180ed4a | 398 | // [TODO] |
Racer01014 | 0:5e35c180ed4a | 399 | } |
Racer01014 | 0:5e35c180ed4a | 400 | |
Racer01014 | 0:5e35c180ed4a | 401 | |
Racer01014 | 0:5e35c180ed4a | 402 | void USBHAL::_usbisr(void) { |
Racer01014 | 0:5e35c180ed4a | 403 | instance->usbisr(); |
Racer01014 | 0:5e35c180ed4a | 404 | } |
Racer01014 | 0:5e35c180ed4a | 405 | |
Racer01014 | 0:5e35c180ed4a | 406 | |
Racer01014 | 0:5e35c180ed4a | 407 | void USBHAL::usbisr(void) { |
Racer01014 | 0:5e35c180ed4a | 408 | uint8_t i; |
Racer01014 | 0:5e35c180ed4a | 409 | uint8_t istat = USB0->ISTAT; |
Racer01014 | 0:5e35c180ed4a | 410 | |
Racer01014 | 0:5e35c180ed4a | 411 | // reset interrupt |
Racer01014 | 0:5e35c180ed4a | 412 | if (istat & USB_ISTAT_USBRST_MASK) { |
Racer01014 | 0:5e35c180ed4a | 413 | // disable all endpt |
Racer01014 | 0:5e35c180ed4a | 414 | for(i = 0; i < 16; i++) { |
Racer01014 | 0:5e35c180ed4a | 415 | USB0->ENDPOINT[i].ENDPT = 0x00; |
Racer01014 | 0:5e35c180ed4a | 416 | } |
Racer01014 | 0:5e35c180ed4a | 417 | |
Racer01014 | 0:5e35c180ed4a | 418 | // enable control endpoint |
Racer01014 | 0:5e35c180ed4a | 419 | realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); |
Racer01014 | 0:5e35c180ed4a | 420 | realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); |
Racer01014 | 0:5e35c180ed4a | 421 | |
Racer01014 | 0:5e35c180ed4a | 422 | Data1 = 0x55555555; |
Racer01014 | 0:5e35c180ed4a | 423 | USB0->CTL |= USB_CTL_ODDRST_MASK; |
Racer01014 | 0:5e35c180ed4a | 424 | |
Racer01014 | 0:5e35c180ed4a | 425 | USB0->ISTAT = 0xFF; // clear all interrupt status flags |
Racer01014 | 0:5e35c180ed4a | 426 | USB0->ERRSTAT = 0xFF; // clear all error flags |
Racer01014 | 0:5e35c180ed4a | 427 | USB0->ERREN = 0xFF; // enable error interrupt sources |
Racer01014 | 0:5e35c180ed4a | 428 | USB0->ADDR = 0x00; // set default address |
Racer01014 | 0:5e35c180ed4a | 429 | |
Racer01014 | 0:5e35c180ed4a | 430 | return; |
Racer01014 | 0:5e35c180ed4a | 431 | } |
Racer01014 | 0:5e35c180ed4a | 432 | |
Racer01014 | 0:5e35c180ed4a | 433 | // resume interrupt |
Racer01014 | 0:5e35c180ed4a | 434 | if (istat & USB_ISTAT_RESUME_MASK) { |
Racer01014 | 0:5e35c180ed4a | 435 | USB0->ISTAT = USB_ISTAT_RESUME_MASK; |
Racer01014 | 0:5e35c180ed4a | 436 | } |
Racer01014 | 0:5e35c180ed4a | 437 | |
Racer01014 | 0:5e35c180ed4a | 438 | // SOF interrupt |
Racer01014 | 0:5e35c180ed4a | 439 | if (istat & USB_ISTAT_SOFTOK_MASK) { |
Racer01014 | 0:5e35c180ed4a | 440 | USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; |
Racer01014 | 0:5e35c180ed4a | 441 | // SOF event, read frame number |
Racer01014 | 0:5e35c180ed4a | 442 | SOF(frameNumber()); |
Racer01014 | 0:5e35c180ed4a | 443 | } |
Racer01014 | 0:5e35c180ed4a | 444 | |
Racer01014 | 0:5e35c180ed4a | 445 | // stall interrupt |
Racer01014 | 0:5e35c180ed4a | 446 | if (istat & 1<<7) { |
Racer01014 | 0:5e35c180ed4a | 447 | if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) |
Racer01014 | 0:5e35c180ed4a | 448 | USB0->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
Racer01014 | 0:5e35c180ed4a | 449 | USB0->ISTAT |= USB_ISTAT_STALL_MASK; |
Racer01014 | 0:5e35c180ed4a | 450 | } |
Racer01014 | 0:5e35c180ed4a | 451 | |
Racer01014 | 0:5e35c180ed4a | 452 | // token interrupt |
Racer01014 | 0:5e35c180ed4a | 453 | if (istat & 1<<3) { |
Racer01014 | 0:5e35c180ed4a | 454 | uint32_t num = (USB0->STAT >> 4) & 0x0F; |
Racer01014 | 0:5e35c180ed4a | 455 | uint32_t dir = (USB0->STAT >> 3) & 0x01; |
Racer01014 | 0:5e35c180ed4a | 456 | uint32_t ev_odd = (USB0->STAT >> 2) & 0x01; |
Racer01014 | 0:5e35c180ed4a | 457 | |
Racer01014 | 0:5e35c180ed4a | 458 | // setup packet |
Racer01014 | 0:5e35c180ed4a | 459 | if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) { |
Racer01014 | 0:5e35c180ed4a | 460 | Data1 &= ~0x02; |
Racer01014 | 0:5e35c180ed4a | 461 | bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK; |
Racer01014 | 0:5e35c180ed4a | 462 | bdt[EP_BDT_IDX(0, TX, ODD)].info &= ~BD_OWN_MASK; |
Racer01014 | 0:5e35c180ed4a | 463 | |
Racer01014 | 0:5e35c180ed4a | 464 | // EP0 SETUP event (SETUP data received) |
Racer01014 | 0:5e35c180ed4a | 465 | EP0setupCallback(); |
Racer01014 | 0:5e35c180ed4a | 466 | |
Racer01014 | 0:5e35c180ed4a | 467 | } else { |
Racer01014 | 0:5e35c180ed4a | 468 | // OUT packet |
Racer01014 | 0:5e35c180ed4a | 469 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) { |
Racer01014 | 0:5e35c180ed4a | 470 | if (num == 0) |
Racer01014 | 0:5e35c180ed4a | 471 | EP0out(); |
Racer01014 | 0:5e35c180ed4a | 472 | else { |
Racer01014 | 0:5e35c180ed4a | 473 | epComplete |= (1 << EP(num)); |
Racer01014 | 0:5e35c180ed4a | 474 | if ((instance->*(epCallback[EP(num) - 2]))()) { |
Racer01014 | 0:5e35c180ed4a | 475 | epComplete &= ~(1 << EP(num)); |
Racer01014 | 0:5e35c180ed4a | 476 | } |
Racer01014 | 0:5e35c180ed4a | 477 | } |
Racer01014 | 0:5e35c180ed4a | 478 | } |
Racer01014 | 0:5e35c180ed4a | 479 | |
Racer01014 | 0:5e35c180ed4a | 480 | // IN packet |
Racer01014 | 0:5e35c180ed4a | 481 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) { |
Racer01014 | 0:5e35c180ed4a | 482 | if (num == 0) { |
Racer01014 | 0:5e35c180ed4a | 483 | EP0in(); |
Racer01014 | 0:5e35c180ed4a | 484 | if (set_addr == 1) { |
Racer01014 | 0:5e35c180ed4a | 485 | USB0->ADDR = addr & 0x7F; |
Racer01014 | 0:5e35c180ed4a | 486 | set_addr = 0; |
Racer01014 | 0:5e35c180ed4a | 487 | } |
Racer01014 | 0:5e35c180ed4a | 488 | } |
Racer01014 | 0:5e35c180ed4a | 489 | else { |
Racer01014 | 0:5e35c180ed4a | 490 | epComplete |= (1 << (EP(num) + 1)); |
Racer01014 | 0:5e35c180ed4a | 491 | if ((instance->*(epCallback[EP(num) + 1 - 2]))()) { |
Racer01014 | 0:5e35c180ed4a | 492 | epComplete &= ~(1 << (EP(num) + 1)); |
Racer01014 | 0:5e35c180ed4a | 493 | } |
Racer01014 | 0:5e35c180ed4a | 494 | } |
Racer01014 | 0:5e35c180ed4a | 495 | } |
Racer01014 | 0:5e35c180ed4a | 496 | } |
Racer01014 | 0:5e35c180ed4a | 497 | |
Racer01014 | 0:5e35c180ed4a | 498 | USB0->ISTAT = USB_ISTAT_TOKDNE_MASK; |
Racer01014 | 0:5e35c180ed4a | 499 | } |
Racer01014 | 0:5e35c180ed4a | 500 | |
Racer01014 | 0:5e35c180ed4a | 501 | // sleep interrupt |
Racer01014 | 0:5e35c180ed4a | 502 | if (istat & 1<<4) { |
Racer01014 | 0:5e35c180ed4a | 503 | USB0->ISTAT |= USB_ISTAT_SLEEP_MASK; |
Racer01014 | 0:5e35c180ed4a | 504 | } |
Racer01014 | 0:5e35c180ed4a | 505 | |
Racer01014 | 0:5e35c180ed4a | 506 | // error interrupt |
Racer01014 | 0:5e35c180ed4a | 507 | if (istat & USB_ISTAT_ERROR_MASK) { |
Racer01014 | 0:5e35c180ed4a | 508 | USB0->ERRSTAT = 0xFF; |
Racer01014 | 0:5e35c180ed4a | 509 | USB0->ISTAT |= USB_ISTAT_ERROR_MASK; |
Racer01014 | 0:5e35c180ed4a | 510 | } |
Racer01014 | 0:5e35c180ed4a | 511 | } |
Racer01014 | 0:5e35c180ed4a | 512 | |
Racer01014 | 0:5e35c180ed4a | 513 | |
Racer01014 | 0:5e35c180ed4a | 514 | #endif |