ST
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_Maxim.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 | /******************************************************************************* |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 3 | * |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 5 | * copy of this software and associated documentation files (the "Software"), |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 6 | * to deal in the Software without restriction, including without limitation |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 9 | * Software is furnished to do so, subject to the following conditions: |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 10 | * |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 11 | * The above copyright notice and this permission notice shall be included |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 12 | * in all copies or substantial portions of the Software. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 13 | * |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 21 | * |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 22 | * Except as contained in this notice, the name of Maxim Integrated |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 24 | * Products, Inc. Branding Policy. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 25 | * |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 26 | * The mere transfer of this software does not imply any licenses |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 28 | * trademarks, maskwork rights, or any other form of intellectual |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 30 | * ownership rights. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 31 | ******************************************************************************* |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 32 | */ |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 33 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 34 | #if defined(TARGET_Maxim) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 35 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 36 | #include "USBHAL.h" |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 37 | #include "usb_regs.h" |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 38 | #include "clkman_regs.h" |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 39 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 40 | #define CONNECT_INTS (MXC_F_USB_DEV_INTEN_BRST | MXC_F_USB_DEV_INTEN_SETUP | MXC_F_USB_DEV_INTEN_EP_IN | MXC_F_USB_DEV_INTEN_EP_OUT | MXC_F_USB_DEV_INTEN_DMA_ERR) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 41 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 42 | USBHAL *USBHAL::instance; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 43 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 44 | typedef struct { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 45 | volatile uint32_t buf0_desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 46 | volatile uint32_t buf0_address; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 47 | volatile uint32_t buf1_desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 48 | volatile uint32_t buf1_address; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 49 | } ep_buffer_t; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 50 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 51 | typedef struct { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 52 | ep_buffer_t out_buffer; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 53 | ep_buffer_t in_buffer; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 54 | } ep0_buffer_t; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 55 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 56 | typedef struct { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 57 | ep0_buffer_t ep0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 58 | ep_buffer_t ep[MXC_USB_NUM_EP - 1]; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 59 | } ep_buffer_descriptor_t; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 60 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 61 | // Static storage for endpoint buffer descriptor table. Must be 512 byte aligned for DMA. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 62 | #ifdef __IAR_SYSTEMS_ICC__ |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 63 | #pragma data_alignment = 512 |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 64 | #else |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 65 | __attribute__ ((aligned (512))) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 66 | #endif |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 67 | ep_buffer_descriptor_t ep_buffer_descriptor; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 68 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 69 | // static storage for temporary data buffers. Must be 32 byte aligned. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 70 | #ifdef __IAR_SYSTEMS_ICC__ |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 71 | #pragma data_alignment = 4 |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 72 | #else |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 73 | __attribute__ ((aligned (4))) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 74 | #endif |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 75 | static uint8_t aligned_buffer[NUMBER_OF_LOGICAL_ENDPOINTS][MXC_USB_MAX_PACKET]; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 76 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 77 | // control packet state |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 78 | static enum { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 79 | CTRL_NONE = 0, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 80 | CTRL_SETUP, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 81 | CTRL_OUT, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 82 | CTRL_IN, |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 83 | } control_state; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 84 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 85 | USBHAL::USBHAL(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 86 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 87 | NVIC_DisableIRQ(USB_IRQn); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 88 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 89 | #if defined(TARGET_MAX32600) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 90 | // The PLL must be enabled for USB |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 91 | MBED_ASSERT(MXC_CLKMAN->clk_config & MXC_F_CLKMAN_CLK_CONFIG_PLL_ENABLE); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 92 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 93 | // Enable the USB clock |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 94 | MXC_CLKMAN->clk_ctrl |= MXC_F_CLKMAN_CLK_CTRL_USB_GATE_N; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 95 | #elif defined(TARGET_MAX32620) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 96 | // Enable the USB clock |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 97 | MXC_CLKMAN->clk_ctrl |= MXC_F_CLKMAN_CLK_CTRL_USB_CLOCK_ENABLE; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 98 | #endif |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 99 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 100 | // reset the device |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 101 | MXC_USB->cn = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 102 | MXC_USB->cn = MXC_F_USB_CN_USB_EN; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 103 | MXC_USB->dev_inten = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 104 | MXC_USB->dev_cn = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 105 | MXC_USB->dev_cn = MXC_F_USB_DEV_CN_URST; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 106 | MXC_USB->dev_cn = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 107 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 108 | // fill in callback arrays |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 109 | epCallback[EP0OUT] = NULL; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 110 | epCallback[EP0IN] = NULL; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 111 | epCallback[EP1OUT] = &USBHAL::EP1_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 112 | epCallback[EP1IN ] = &USBHAL::EP1_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 113 | epCallback[EP2OUT] = &USBHAL::EP2_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 114 | epCallback[EP2IN ] = &USBHAL::EP2_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 115 | epCallback[EP3OUT] = &USBHAL::EP3_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 116 | epCallback[EP3IN ] = &USBHAL::EP3_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 117 | epCallback[EP4OUT] = &USBHAL::EP4_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 118 | epCallback[EP4IN ] = &USBHAL::EP4_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 119 | epCallback[EP5OUT] = &USBHAL::EP5_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 120 | epCallback[EP5IN ] = &USBHAL::EP5_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 121 | epCallback[EP6OUT] = &USBHAL::EP6_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 122 | epCallback[EP6IN ] = &USBHAL::EP6_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 123 | epCallback[EP7OUT] = &USBHAL::EP7_OUT_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 124 | epCallback[EP7IN ] = &USBHAL::EP7_IN_callback; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 125 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 126 | // clear driver state |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 127 | control_state = CTRL_NONE; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 128 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 129 | // set the descriptor location |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 130 | MXC_USB->ep_base = (uint32_t)&ep_buffer_descriptor; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 131 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 132 | // enable VBUS interrupts |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 133 | MXC_USB->dev_inten = MXC_F_USB_DEV_INTEN_NO_VBUS | MXC_F_USB_DEV_INTEN_VBUS; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 134 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 135 | // attach IRQ handler and enable interrupts |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 136 | instance = this; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 137 | NVIC_SetVector(USB_IRQn, (uint32_t)&_usbisr); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 138 | NVIC_EnableIRQ(USB_IRQn); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 139 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 140 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 141 | USBHAL::~USBHAL(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 142 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 143 | MXC_USB->dev_cn = MXC_F_USB_DEV_CN_URST; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 144 | MXC_USB->dev_cn = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 145 | MXC_USB->cn = 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 146 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 147 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 148 | void USBHAL::connect(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 149 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 150 | // enable interrupts |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 151 | MXC_USB->dev_inten |= CONNECT_INTS; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 152 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 153 | // allow interrupts on ep0 |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 154 | MXC_USB->ep[0] |= MXC_F_USB_EP_INT_EN; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 155 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 156 | // pullup enable |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 157 | MXC_USB->dev_cn |= (MXC_F_USB_DEV_CN_CONNECT | MXC_F_USB_DEV_CN_FIFO_MODE); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 158 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 159 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 160 | void USBHAL::disconnect(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 161 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 162 | // disable interrupts |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 163 | MXC_USB->dev_inten &= ~CONNECT_INTS; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 164 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 165 | // disable pullup |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 166 | MXC_USB->dev_cn &= ~MXC_F_USB_DEV_CN_CONNECT; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 167 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 168 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 169 | void USBHAL::configureDevice(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 170 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 171 | // do nothing |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 172 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 173 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 174 | void USBHAL::unconfigureDevice(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 175 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 176 | // reset endpoints |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 177 | for (int i = 0; i < MXC_USB_NUM_EP; i++) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 178 | // Disable endpoint and clear the data toggle |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 179 | MXC_USB->ep[i] &= ~MXC_F_USB_EP_DIR; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 180 | MXC_USB->ep[i] |= MXC_F_USB_EP_DT; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 181 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 182 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 183 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 184 | void USBHAL::setAddress(uint8_t address) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 185 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 186 | // do nothing |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 187 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 188 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 189 | void USBHAL::remoteWakeup(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 190 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 191 | // do nothing |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 192 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 193 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 194 | static ep_buffer_t *get_desc(uint8_t endpoint) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 195 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 196 | uint8_t epnum = EP_NUM(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 197 | ep_buffer_t *desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 198 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 199 | if (epnum == 0) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 200 | if (IN_EP(endpoint)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 201 | desc = &ep_buffer_descriptor.ep0.in_buffer; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 202 | } else { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 203 | desc = &ep_buffer_descriptor.ep0.out_buffer; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 204 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 205 | } else { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 206 | desc = &ep_buffer_descriptor.ep[epnum - 1]; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 207 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 208 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 209 | return desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 210 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 211 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 212 | void USBHAL::EP0setup(uint8_t *buffer) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 213 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 214 | // Setup packet is fixed at 8 bytes |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 215 | // Setup registers cannot be read in byte mode |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 216 | uint32_t *ptr32 = (uint32_t*)buffer; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 217 | ptr32[0] = (uint32_t)MXC_USB->setup0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 218 | ptr32[1] = (uint32_t)MXC_USB->setup1; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 219 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 220 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 221 | void USBHAL::EP0read(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 222 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 223 | if (control_state == CTRL_IN) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 224 | // This is the status stage. ACK. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 225 | MXC_USB->ep[0] |= MXC_F_USB_EP_ST_ACK; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 226 | control_state = CTRL_NONE; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 227 | return; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 228 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 229 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 230 | control_state = CTRL_OUT; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 231 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 232 | endpointRead(EP0OUT, MAX_PACKET_SIZE_EP0); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 233 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 234 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 235 | void USBHAL::EP0readStage(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 236 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 237 | // do nothing |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 238 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 239 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 240 | uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 241 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 242 | uint32_t size; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 243 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 244 | if (MXC_USB->out_owner & 1) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 245 | return 0; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 246 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 247 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 248 | // get the packet length and contents |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 249 | ep_buffer_t *desc = get_desc(EP0OUT); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 250 | size = desc->buf0_desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 251 | memcpy(buffer, aligned_buffer[0], size); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 252 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 253 | return size; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 254 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 255 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 256 | void USBHAL::EP0write(uint8_t *buffer, uint32_t size) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 257 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 258 | if ((size == 0) && (control_state != CTRL_IN)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 259 | // This is a status stage ACK. Handle in hardware. |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 260 | MXC_USB->ep[0] |= MXC_F_USB_EP_ST_ACK; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 261 | control_state = CTRL_NONE; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 262 | return; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 263 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 264 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 265 | control_state = CTRL_IN; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 266 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 267 | endpointWrite(EP0IN, buffer, size); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 268 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 269 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 270 | void USBHAL::EP0stall(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 271 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 272 | stallEndpoint(0); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 273 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 274 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 275 | EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 276 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 277 | uint8_t epnum = EP_NUM(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 278 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 279 | if ((endpoint >= NUMBER_OF_PHYSICAL_ENDPOINTS) || IN_EP(endpoint)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 280 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 281 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 282 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 283 | if (maximumSize > MXC_USB_MAX_PACKET) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 284 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 285 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 286 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 287 | uint32_t mask = (1 << epnum); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 288 | if (MXC_USB->out_owner & mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 289 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 290 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 291 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 292 | ep_buffer_t *desc = get_desc(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 293 | desc->buf0_desc = maximumSize; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 294 | desc->buf0_address = (uint32_t)aligned_buffer[epnum]; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 295 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 296 | MXC_USB->out_owner = mask; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 297 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 298 | return EP_PENDING; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 299 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 300 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 301 | EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 302 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 303 | if ((endpoint >= NUMBER_OF_PHYSICAL_ENDPOINTS) || IN_EP(endpoint)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 304 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 305 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 306 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 307 | uint32_t mask = (1 << EP_NUM(endpoint)); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 308 | if (MXC_USB->out_owner & mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 309 | return EP_PENDING; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 310 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 311 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 312 | // get the packet length and contents |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 313 | ep_buffer_t *desc = get_desc(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 314 | *bytesRead = desc->buf0_desc; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 315 | memcpy(data, aligned_buffer[EP_NUM(endpoint)], *bytesRead); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 316 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 317 | return EP_COMPLETED; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 318 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 319 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 320 | EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 321 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 322 | uint8_t epnum = EP_NUM(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 323 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 324 | if ((endpoint >= NUMBER_OF_PHYSICAL_ENDPOINTS) || OUT_EP(endpoint)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 325 | return EP_INVALID; |
| 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 (size > MXC_USB_MAX_PACKET) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 329 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 330 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 331 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 332 | uint32_t mask = (1 << epnum); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 333 | if (MXC_USB->in_owner & mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 334 | return EP_INVALID; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 335 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 336 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 337 | memcpy(aligned_buffer[epnum], data, size); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 338 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 339 | ep_buffer_t *desc = get_desc(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 340 | desc->buf0_desc = size; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 341 | desc->buf0_address = (uint32_t)aligned_buffer[epnum]; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 342 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 343 | // start the DMA |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 344 | MXC_USB->in_owner = mask; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 345 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 346 | return EP_PENDING; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 347 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 348 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 349 | EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 350 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 351 | uint32_t mask = (1 << EP_NUM(endpoint)); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 352 | if (MXC_USB->in_owner & mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 353 | return EP_PENDING; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 354 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 355 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 356 | return EP_COMPLETED; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 357 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 358 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 359 | void USBHAL::stallEndpoint(uint8_t endpoint) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 360 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 361 | uint8_t epnum = EP_NUM(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 362 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 363 | if (epnum == 0) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 364 | MXC_USB->ep[epnum] |= MXC_F_USB_EP_ST_STALL; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 365 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 366 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 367 | MXC_USB->ep[epnum] |= MXC_F_USB_EP_STALL; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 368 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 369 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 370 | void USBHAL::unstallEndpoint(uint8_t endpoint) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 371 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 372 | MXC_USB->ep[EP_NUM(endpoint)] &= ~MXC_F_USB_EP_STALL; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 373 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 374 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 375 | bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 376 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 377 | uint8_t epnum = EP_NUM(endpoint); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 378 | uint32_t ep_ctrl; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 379 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 380 | if (epnum >= NUMBER_OF_PHYSICAL_ENDPOINTS) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 381 | return false; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 382 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 383 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 384 | if (IN_EP(endpoint)) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 385 | ep_ctrl = (MXC_V_USB_EP_DIR_IN << MXC_F_USB_EP_DIR_POS); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 386 | } else { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 387 | ep_ctrl = (MXC_S_USB_EP_DIR_OUT << MXC_F_USB_EP_DIR_POS); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 388 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 389 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 390 | ep_ctrl |= (MXC_F_USB_EP_DT | MXC_F_USB_EP_INT_EN); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 391 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 392 | MXC_USB->ep[epnum] = ep_ctrl; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 393 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 394 | return true; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 395 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 396 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 397 | bool USBHAL::getEndpointStallState(unsigned char endpoint) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 398 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 399 | return !!(MXC_USB->ep[endpoint] & MXC_F_USB_EP_STALL); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 400 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 401 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 402 | void USBHAL::_usbisr(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 403 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 404 | instance->usbisr(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 405 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 406 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 407 | void USBHAL::usbisr(void) |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 408 | { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 409 | // get and clear irqs |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 410 | uint32_t irq_flags = MXC_USB->dev_intfl; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 411 | MXC_USB->dev_intfl = irq_flags; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 412 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 413 | // process only enabled interrupts |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 414 | irq_flags &= MXC_USB->dev_inten; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 415 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 416 | // suspend |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 417 | if (irq_flags & MXC_F_USB_DEV_INTFL_SUSP) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 418 | suspendStateChanged(1); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 419 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 420 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 421 | // bus reset |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 422 | if (irq_flags & MXC_F_USB_DEV_INTFL_BRST) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 423 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 424 | // reset endpoints |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 425 | for (int i = 0; i < MXC_USB_NUM_EP; i++) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 426 | // Disable endpoint and clear the data toggle |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 427 | MXC_USB->ep[i] &= ~MXC_F_USB_EP_DIR; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 428 | MXC_USB->ep[i] |= MXC_F_USB_EP_DT; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 429 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 430 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 431 | // clear driver state |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 432 | control_state = CTRL_NONE; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 433 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 434 | busReset(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 435 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 436 | // no need to process events after reset |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 437 | return; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 438 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 439 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 440 | // Setup packet |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 441 | if (irq_flags & MXC_F_USB_DEV_INTFL_SETUP) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 442 | control_state = CTRL_SETUP; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 443 | EP0setupCallback(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 444 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 445 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 446 | // IN packets |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 447 | if (irq_flags & MXC_F_USB_DEV_INTFL_EP_IN) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 448 | // get and clear IN irqs |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 449 | uint32_t in_irqs = MXC_USB->in_int; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 450 | MXC_USB->in_int = in_irqs; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 451 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 452 | if (in_irqs & 1) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 453 | EP0in(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 454 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 455 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 456 | for (uint8_t epnum = 1; epnum < NUMBER_OF_LOGICAL_ENDPOINTS; epnum++) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 457 | uint32_t irq_mask = (1 << epnum); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 458 | if (in_irqs & irq_mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 459 | uint8_t endpoint = (epnum << 1) | DIR_IN; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 460 | (instance->*(epCallback[endpoint]))(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 461 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 462 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 463 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 464 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 465 | // OUT packets |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 466 | if (irq_flags & MXC_F_USB_DEV_INTFL_EP_OUT) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 467 | // get and clear OUT irqs |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 468 | uint32_t out_irqs = MXC_USB->out_int; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 469 | MXC_USB->out_int = out_irqs; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 470 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 471 | if (out_irqs & 1) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 472 | EP0out(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 473 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 474 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 475 | for (uint8_t epnum = 1; epnum < NUMBER_OF_LOGICAL_ENDPOINTS; epnum++) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 476 | uint32_t irq_mask = (1 << epnum); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 477 | if (out_irqs & irq_mask) { |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 478 | uint8_t endpoint = (epnum << 1) | DIR_OUT; |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 479 | (instance->*(epCallback[endpoint]))(); |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 480 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 481 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 482 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 483 | } |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 484 | |
| frq08711@LMECWL0871.LME.ST.COM | 1:2a3ae13b45ef | 485 | #endif |