USBDevice for STM support
Dependents: Nucleo_Usb_JoyMouse Nucleo_usbmouse ELEC350_1-referral-2018-usb-hid USBJoystick_HelloWorld2_wip ... more
This library contains all mbed usb device library (mbed-os\features\unsupported\USBDevice).
USBDevice/USBHAL_KL25Z.cpp@4:50ec00aa4515, 2017-03-28 (annotated)
- Committer:
- frq08711@LMECWL0871.LME.ST.COM
- Date:
- Tue Mar 28 11:00:57 2017 +0200
- Branch:
- master
- Revision:
- 4:50ec00aa4515
- Parent:
- 1:2a3ae13b45ef
update for 5.4.2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 2 | * |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 7 | * Software is furnished to do so, subject to the following conditions: |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 8 | * |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 10 | * substantial portions of the Software. |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 11 | * |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 17 | */ |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 18 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 19 | #if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D50M) | defined(TARGET_K64F) | defined(TARGET_K22F) | defined(TARGET_TEENSY3_1) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 20 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 21 | #if defined(TARGET_KSDK2_MCUS) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 22 | #include "fsl_common.h" |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 23 | #endif |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 24 | #include "USBHAL.h" |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 25 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 26 | USBHAL * USBHAL::instance; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 27 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 28 | static volatile int epComplete = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 29 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 30 | // Convert physical endpoint number to register bit |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 31 | #define EP(endpoint) (1<<(endpoint)) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 32 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 33 | // Convert physical to logical |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 34 | #define PHY_TO_LOG(endpoint) ((endpoint)>>1) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 35 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 36 | // Get endpoint direction |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 37 | #define IN_EP(endpoint) ((endpoint) & 1U ? true : false) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 38 | #define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 39 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 40 | #define BD_OWN_MASK (1<<7) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 41 | #define BD_DATA01_MASK (1<<6) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 42 | #define BD_KEEP_MASK (1<<5) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 43 | #define BD_NINC_MASK (1<<4) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 44 | #define BD_DTS_MASK (1<<3) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 45 | #define BD_STALL_MASK (1<<2) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 46 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 47 | #define TX 1 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 48 | #define RX 0 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 49 | #define ODD 0 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 50 | #define EVEN 1 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 51 | // this macro waits a physical endpoint number |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 52 | #define EP_BDT_IDX(ep, dir, odd) (((ep * 4) + (2 * dir) + (1 * odd))) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 53 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 54 | #define SETUP_TOKEN 0x0D |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 55 | #define IN_TOKEN 0x09 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 56 | #define OUT_TOKEN 0x01 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 57 | #define TOK_PID(idx) ((bdt[idx].info >> 2) & 0x0F) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 58 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 59 | // for each endpt: 8 bytes |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 60 | typedef struct BDT { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 61 | uint8_t info; // BD[0:7] |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 62 | uint8_t dummy; // RSVD: BD[8:15] |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 63 | uint16_t byte_count; // BD[16:32] |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 64 | uint32_t address; // Addr |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 65 | } BDT; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 66 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 67 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 68 | // there are: |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 69 | // * 16 bidirectionnal endpt -> 32 physical endpt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 70 | // * as there are ODD and EVEN buffer -> 32*2 bdt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 71 | MBED_ALIGN(512) BDT bdt[NUMBER_OF_PHYSICAL_ENDPOINTS * 2]; // 512 bytes aligned! |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 72 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 73 | uint8_t * endpoint_buffer[(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 74 | uint8_t * endpoint_buffer_iso[2*2]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 75 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 76 | static uint8_t set_addr = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 77 | static uint8_t addr = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 78 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 79 | static uint32_t Data1 = 0x55555555; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 80 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 81 | static uint32_t frameNumber() { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 82 | return((USB0->FRMNUML | (USB0->FRMNUMH << 8)) & 0x07FF); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 83 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 84 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 85 | uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 86 | return 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 87 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 88 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 89 | USBHAL::USBHAL(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 90 | // Disable IRQ |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 91 | NVIC_DisableIRQ(USB0_IRQn); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 92 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 93 | #if (defined(FSL_FEATURE_SOC_MPU_COUNT) && (FSL_FEATURE_SOC_MPU_COUNT > 0U)) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 94 | MPU->CESR=0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 95 | #endif |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 96 | // fill in callback array |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 97 | epCallback[0] = &USBHAL::EP1_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 98 | epCallback[1] = &USBHAL::EP1_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 99 | epCallback[2] = &USBHAL::EP2_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 100 | epCallback[3] = &USBHAL::EP2_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 101 | epCallback[4] = &USBHAL::EP3_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 102 | epCallback[5] = &USBHAL::EP3_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 103 | epCallback[6] = &USBHAL::EP4_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 104 | epCallback[7] = &USBHAL::EP4_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 105 | epCallback[8] = &USBHAL::EP5_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 106 | epCallback[9] = &USBHAL::EP5_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 107 | epCallback[10] = &USBHAL::EP6_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 108 | epCallback[11] = &USBHAL::EP6_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 109 | epCallback[12] = &USBHAL::EP7_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 110 | epCallback[13] = &USBHAL::EP7_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 111 | epCallback[14] = &USBHAL::EP8_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 112 | epCallback[15] = &USBHAL::EP8_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 113 | epCallback[16] = &USBHAL::EP9_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 114 | epCallback[17] = &USBHAL::EP9_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 115 | epCallback[18] = &USBHAL::EP10_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 116 | epCallback[19] = &USBHAL::EP10_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 117 | epCallback[20] = &USBHAL::EP11_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 118 | epCallback[21] = &USBHAL::EP11_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 119 | epCallback[22] = &USBHAL::EP12_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 120 | epCallback[23] = &USBHAL::EP12_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 121 | epCallback[24] = &USBHAL::EP13_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 122 | epCallback[25] = &USBHAL::EP13_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 123 | epCallback[26] = &USBHAL::EP14_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 124 | epCallback[27] = &USBHAL::EP14_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 125 | epCallback[28] = &USBHAL::EP15_OUT_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 126 | epCallback[29] = &USBHAL::EP15_IN_callback; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 127 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 128 | #if defined(TARGET_KL43Z) || defined(TARGET_K22F) || defined(TARGET_K64F) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 129 | // enable USBFS clock |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 130 | CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 131 | #else |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 132 | // choose usb src as PLL |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 133 | SIM->SOPT2 &= ~SIM_SOPT2_PLLFLLSEL_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 134 | SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | (1 << SIM_SOPT2_PLLFLLSEL_SHIFT)); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 135 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 136 | // enable OTG clock |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 137 | SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 138 | #endif |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 139 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 140 | // Attach IRQ |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 141 | instance = this; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 142 | NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 143 | NVIC_EnableIRQ(USB0_IRQn); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 144 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 145 | // USB Module Configuration |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 146 | // Set BDT Base Register |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 147 | USB0->BDTPAGE1 = (uint8_t)((uint32_t)bdt>>8); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 148 | USB0->BDTPAGE2 = (uint8_t)((uint32_t)bdt>>16); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 149 | USB0->BDTPAGE3 = (uint8_t)((uint32_t)bdt>>24); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 150 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 151 | // Clear interrupt flag |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 152 | USB0->ISTAT = 0xff; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 153 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 154 | // USB Interrupt Enablers |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 155 | USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 156 | USB_INTEN_SOFTOKEN_MASK | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 157 | USB_INTEN_ERROREN_MASK | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 158 | USB_INTEN_USBRSTEN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 159 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 160 | // Disable weak pull downs |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 161 | USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 162 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 163 | USB0->USBTRC0 |= 0x40; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 164 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 165 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 166 | USBHAL::~USBHAL(void) { } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 167 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 168 | void USBHAL::connect(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 169 | // enable USB |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 170 | USB0->CTL |= USB_CTL_USBENSOFEN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 171 | // Pull up enable |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 172 | USB0->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 173 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 174 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 175 | void USBHAL::disconnect(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 176 | // disable USB |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 177 | USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 178 | // Pull up disable |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 179 | USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 180 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 181 | //Free buffers if required: |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 182 | for (int i = 0; i<(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2; i++) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 183 | free(endpoint_buffer[i]); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 184 | endpoint_buffer[i] = NULL; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 185 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 186 | free(endpoint_buffer_iso[2]); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 187 | endpoint_buffer_iso[2] = NULL; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 188 | free(endpoint_buffer_iso[0]); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 189 | endpoint_buffer_iso[0] = NULL; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 190 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 191 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 192 | void USBHAL::configureDevice(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 193 | // not needed |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 194 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 195 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 196 | void USBHAL::unconfigureDevice(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 197 | // not needed |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 198 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 199 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 200 | void USBHAL::setAddress(uint8_t address) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 201 | // we don't set the address now otherwise the usb controller does not ack |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 202 | // we set a flag instead |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 203 | // see usbisr when an IN token is received |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 204 | set_addr = 1; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 205 | addr = address; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 206 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 207 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 208 | bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 209 | uint32_t handshake_flag = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 210 | uint8_t * buf; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 211 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 212 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 213 | return false; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 214 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 215 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 216 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 217 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 218 | if ((flags & ISOCHRONOUS) == 0) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 219 | handshake_flag = USB_ENDPT_EPHSHK_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 220 | if (IN_EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 221 | if (endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] == NULL) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 222 | endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] = (uint8_t *) malloc (64); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 223 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)][0]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 224 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 225 | if (endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] == NULL) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 226 | endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] = (uint8_t *) malloc (64); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 227 | buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)][0]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 228 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 229 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 230 | if (IN_EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 231 | if (endpoint_buffer_iso[2] == NULL) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 232 | endpoint_buffer_iso[2] = (uint8_t *) malloc (1023); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 233 | buf = &endpoint_buffer_iso[2][0]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 234 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 235 | if (endpoint_buffer_iso[0] == NULL) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 236 | endpoint_buffer_iso[0] = (uint8_t *) malloc (1023); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 237 | buf = &endpoint_buffer_iso[0][0]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 238 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 239 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 240 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 241 | // IN endpt -> device to host (TX) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 242 | if (IN_EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 243 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 244 | USB_ENDPT_EPTXEN_MASK; // en TX (IN) tran |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 245 | bdt[EP_BDT_IDX(log_endpoint, TX, ODD )].address = (uint32_t) buf; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 246 | bdt[EP_BDT_IDX(log_endpoint, TX, EVEN)].address = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 247 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 248 | // OUT endpt -> host to device (RX) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 249 | else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 250 | USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 251 | USB_ENDPT_EPRXEN_MASK; // en RX (OUT) tran. |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 252 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].byte_count = maxPacket; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 253 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].address = (uint32_t) buf; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 254 | bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].info = BD_OWN_MASK | BD_DTS_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 255 | bdt[EP_BDT_IDX(log_endpoint, RX, EVEN)].info = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 256 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 257 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 258 | Data1 |= (1 << endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 259 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 260 | return true; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 261 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 262 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 263 | // read setup packet |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 264 | void USBHAL::EP0setup(uint8_t *buffer) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 265 | uint32_t sz; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 266 | endpointReadResult(EP0OUT, buffer, &sz); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 267 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 268 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 269 | void USBHAL::EP0readStage(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 270 | Data1 &= ~1UL; // set DATA0 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 271 | bdt[0].info = (BD_DTS_MASK | BD_OWN_MASK); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 272 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 273 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 274 | void USBHAL::EP0read(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 275 | uint32_t idx = EP_BDT_IDX(PHY_TO_LOG(EP0OUT), RX, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 276 | bdt[idx].byte_count = MAX_PACKET_SIZE_EP0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 277 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 278 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 279 | uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 280 | uint32_t sz; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 281 | endpointReadResult(EP0OUT, buffer, &sz); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 282 | return sz; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 283 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 284 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 285 | void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 286 | endpointWrite(EP0IN, buffer, size); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 287 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 288 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 289 | void USBHAL::EP0getWriteResult(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 290 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 291 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 292 | void USBHAL::EP0stall(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 293 | stallEndpoint(EP0OUT); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 294 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 295 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 296 | EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 297 | endpoint = PHY_TO_LOG(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 298 | uint32_t idx = EP_BDT_IDX(endpoint, RX, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 299 | bdt[idx].byte_count = maximumSize; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 300 | return EP_PENDING; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 301 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 302 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 303 | EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 304 | uint32_t n, sz, idx, setup = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 305 | uint8_t not_iso; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 306 | uint8_t * ep_buf; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 307 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 308 | uint32_t log_endpoint = PHY_TO_LOG(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 309 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 310 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 311 | return EP_INVALID; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 312 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 313 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 314 | // if read on a IN endpoint -> error |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 315 | if (IN_EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 316 | return EP_INVALID; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 317 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 318 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 319 | idx = EP_BDT_IDX(log_endpoint, RX, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 320 | sz = bdt[idx].byte_count; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 321 | not_iso = USB0->ENDPOINT[log_endpoint].ENDPT & USB_ENDPT_EPHSHK_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 322 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 323 | //for isochronous endpoint, we don't wait an interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 324 | if ((log_endpoint != 0) && not_iso && !(epComplete & EP(endpoint))) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 325 | return EP_PENDING; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 326 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 327 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 328 | if ((log_endpoint == 0) && (TOK_PID(idx) == SETUP_TOKEN)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 329 | setup = 1; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 330 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 331 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 332 | // non iso endpoint |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 333 | if (not_iso) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 334 | ep_buf = endpoint_buffer[idx]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 335 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 336 | ep_buf = endpoint_buffer_iso[0]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 337 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 338 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 339 | for (n = 0; n < sz; n++) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 340 | buffer[n] = ep_buf[n]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 341 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 342 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 343 | if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 344 | if (setup && (buffer[6] == 0)) // if no setup data stage, |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 345 | Data1 &= ~1UL; // set DATA0 |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 346 | else |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 347 | Data1 ^= (1 << endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 348 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 349 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 350 | if (((Data1 >> endpoint) & 1)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 351 | bdt[idx].info = BD_DTS_MASK | BD_DATA01_MASK | BD_OWN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 352 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 353 | else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 354 | bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 355 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 356 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 357 | USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 358 | *bytesRead = sz; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 359 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 360 | epComplete &= ~EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 361 | return EP_COMPLETED; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 362 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 363 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 364 | EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 365 | uint32_t idx, n; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 366 | uint8_t * ep_buf; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 367 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 368 | if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 369 | return EP_INVALID; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 370 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 371 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 372 | // if write on a OUT endpoint -> error |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 373 | if (OUT_EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 374 | return EP_INVALID; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 375 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 376 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 377 | idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 378 | bdt[idx].byte_count = size; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 379 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 380 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 381 | // non iso endpoint |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 382 | if (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPHSHK_MASK) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 383 | ep_buf = endpoint_buffer[idx]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 384 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 385 | ep_buf = endpoint_buffer_iso[2]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 386 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 387 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 388 | for (n = 0; n < size; n++) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 389 | ep_buf[n] = data[n]; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 390 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 391 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 392 | if ((Data1 >> endpoint) & 1) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 393 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 394 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 395 | bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 396 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 397 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 398 | Data1 ^= (1 << endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 399 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 400 | return EP_PENDING; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 401 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 402 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 403 | EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 404 | if (epComplete & EP(endpoint)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 405 | epComplete &= ~EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 406 | return EP_COMPLETED; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 407 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 408 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 409 | return EP_PENDING; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 410 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 411 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 412 | void USBHAL::stallEndpoint(uint8_t endpoint) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 413 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT |= USB_ENDPT_EPSTALL_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 414 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 415 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 416 | void USBHAL::unstallEndpoint(uint8_t endpoint) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 417 | USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 418 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 419 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 420 | bool USBHAL::getEndpointStallState(uint8_t endpoint) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 421 | uint8_t stall = (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPSTALL_MASK); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 422 | return (stall) ? true : false; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 423 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 424 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 425 | void USBHAL::remoteWakeup(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 426 | // [TODO] |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 427 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 428 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 429 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 430 | void USBHAL::_usbisr(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 431 | instance->usbisr(); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 432 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 433 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 434 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 435 | void USBHAL::usbisr(void) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 436 | uint8_t i; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 437 | uint8_t istat = USB0->ISTAT; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 438 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 439 | // reset interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 440 | if (istat & USB_ISTAT_USBRST_MASK) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 441 | // disable all endpt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 442 | for(i = 0; i < 16; i++) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 443 | USB0->ENDPOINT[i].ENDPT = 0x00; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 444 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 445 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 446 | // enable control endpoint |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 447 | realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 448 | realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 449 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 450 | Data1 = 0x55555555; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 451 | USB0->CTL |= USB_CTL_ODDRST_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 452 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 453 | USB0->ISTAT = 0xFF; // clear all interrupt status flags |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 454 | USB0->ERRSTAT = 0xFF; // clear all error flags |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 455 | USB0->ERREN = 0xFF; // enable error interrupt sources |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 456 | USB0->ADDR = 0x00; // set default address |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 457 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 458 | return; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 459 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 460 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 461 | // resume interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 462 | if (istat & USB_ISTAT_RESUME_MASK) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 463 | USB0->ISTAT = USB_ISTAT_RESUME_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 464 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 465 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 466 | // SOF interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 467 | if (istat & USB_ISTAT_SOFTOK_MASK) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 468 | USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 469 | // SOF event, read frame number |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 470 | SOF(frameNumber()); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 471 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 472 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 473 | // stall interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 474 | if (istat & 1<<7) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 475 | if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 476 | USB0->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 477 | USB0->ISTAT |= USB_ISTAT_STALL_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 478 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 479 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 480 | // token interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 481 | if (istat & 1<<3) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 482 | uint32_t num = (USB0->STAT >> 4) & 0x0F; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 483 | uint32_t dir = (USB0->STAT >> 3) & 0x01; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 484 | uint32_t ev_odd = (USB0->STAT >> 2) & 0x01; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 485 | int endpoint = (num << 1) | dir; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 486 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 487 | // setup packet |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 488 | if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 489 | Data1 &= ~0x02; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 490 | bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 491 | bdt[EP_BDT_IDX(0, TX, ODD)].info &= ~BD_OWN_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 492 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 493 | // EP0 SETUP event (SETUP data received) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 494 | EP0setupCallback(); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 495 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 496 | } else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 497 | // OUT packet |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 498 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 499 | if (num == 0) |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 500 | EP0out(); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 501 | else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 502 | epComplete |= EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 503 | if ((instance->*(epCallback[endpoint - 2]))()) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 504 | epComplete &= ~EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 505 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 506 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 507 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 508 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 509 | // IN packet |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 510 | if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 511 | if (num == 0) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 512 | EP0in(); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 513 | if (set_addr == 1) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 514 | USB0->ADDR = addr & 0x7F; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 515 | set_addr = 0; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 516 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 517 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 518 | else { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 519 | epComplete |= EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 520 | if ((instance->*(epCallback[endpoint - 2]))()) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 521 | epComplete &= ~EP(endpoint); |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 522 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 523 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 524 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 525 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 526 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 527 | USB0->ISTAT = USB_ISTAT_TOKDNE_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 528 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 529 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 530 | // sleep interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 531 | if (istat & 1<<4) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 532 | USB0->ISTAT |= USB_ISTAT_SLEEP_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 533 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 534 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 535 | // error interrupt |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 536 | if (istat & USB_ISTAT_ERROR_MASK) { |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 537 | USB0->ERRSTAT = 0xFF; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 538 | USB0->ISTAT |= USB_ISTAT_ERROR_MASK; |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 539 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 540 | } |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 541 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 542 | |
frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 543 | #endif |