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Dependencies: Sound_Generator USBHost_custom
Fork of SDG_Mouse_Sample by
Information
Japanese version is available in lower part of this page.
このページの後半に日本語版が用意されています.
What is this?
This program is a demonstration that sounds the sound by mouse operation by using USBHost(Mouse) and Sound Generator.
Settings
Close JP3 of GR-PEACH.
Operation
| operation | effect |
|---|---|
| Right click | Sounds |
| Left click | Reset to base tone (C) |
| Moves the mouse to the right | Lower the sound |
| Moves the mouse to the left | Higher the sound |
| Center cursor | Adjust the sensitivity. Reset the reference value in the click. |
Others
The default setting of serial communication (baud rate etc.) in mbed is shown the following link.
Please refer to the link and change the settings of your PC terminal software.
The default value of baud rate in mbed is 9600, and this application uses baud rate 9600.
https://developer.mbed.org/teams/Renesas/wiki/GR-PEACH-Getting-Started#install-the-usb-serial-communication
概要
このプログラムは、USBHost(Mouse) + Sound Generatorで、マウス操作による擬似笛デモです。
設定
GR-PEACHのJP3をショートする必要があります。
操作方法
| 操作 | 内容 |
|---|---|
| 右クリック | 音出力開始 |
| 左クリック | 基準音(ド)にリセット |
| マウス右移動 | 高音になります |
| マウス左移動 | 低音になります |
| センターカーソル | 音高低の変化量調整(クリックで基準値にリセット) |
Others
mbedのシリアル通信(ボーレート等)のデフォルト設定は以下のリンクに示しています。
リンクを参考に、お使いのPCターミナルソフトの設定を変更して下さい。
mbedでのボーレートのデフォルト値は9600で、このサンプルではボーレート9600を使います。
https://developer.mbed.org/teams/Renesas/wiki/GR-PEACH-Getting-Started#install-the-usb-serial-communication
USBHost/USBHALHost.cpp@8:93da8ea2708b, 2013-03-14 (annotated)
- Committer:
- samux
- Date:
- Thu Mar 14 11:49:53 2013 +0000
- Revision:
- 8:93da8ea2708b
- Parent:
- 4:b320d68e98e7
- Child:
- 13:b58a2204422f
update doc + license
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| samux | 8:93da8ea2708b | 1 | /* mbed USBHost Library |
| samux | 8:93da8ea2708b | 2 | * Copyright (c) 2006-2013 ARM Limited |
| samux | 8:93da8ea2708b | 3 | * |
| samux | 8:93da8ea2708b | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| samux | 8:93da8ea2708b | 5 | * you may not use this file except in compliance with the License. |
| samux | 8:93da8ea2708b | 6 | * You may obtain a copy of the License at |
| samux | 8:93da8ea2708b | 7 | * |
| samux | 8:93da8ea2708b | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| samux | 8:93da8ea2708b | 9 | * |
| samux | 8:93da8ea2708b | 10 | * Unless required by applicable law or agreed to in writing, software |
| samux | 8:93da8ea2708b | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| samux | 8:93da8ea2708b | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| samux | 8:93da8ea2708b | 13 | * See the License for the specific language governing permissions and |
| samux | 8:93da8ea2708b | 14 | * limitations under the License. |
| samux | 8:93da8ea2708b | 15 | */ |
| mbed_official | 0:a554658735bf | 16 | |
| mbed_official | 0:a554658735bf | 17 | #include "mbed.h" |
| mbed_official | 0:a554658735bf | 18 | #include "USBHALHost.h" |
| mbed_official | 0:a554658735bf | 19 | #include "dbg.h" |
| mbed_official | 0:a554658735bf | 20 | |
| mbed_official | 0:a554658735bf | 21 | // bits of the USB/OTG clock control register |
| mbed_official | 0:a554658735bf | 22 | #define HOST_CLK_EN (1<<0) |
| mbed_official | 0:a554658735bf | 23 | #define DEV_CLK_EN (1<<1) |
| mbed_official | 0:a554658735bf | 24 | #define PORTSEL_CLK_EN (1<<3) |
| mbed_official | 0:a554658735bf | 25 | #define AHB_CLK_EN (1<<4) |
| mbed_official | 0:a554658735bf | 26 | |
| mbed_official | 0:a554658735bf | 27 | // bits of the USB/OTG clock status register |
| mbed_official | 0:a554658735bf | 28 | #define HOST_CLK_ON (1<<0) |
| mbed_official | 0:a554658735bf | 29 | #define DEV_CLK_ON (1<<1) |
| mbed_official | 0:a554658735bf | 30 | #define PORTSEL_CLK_ON (1<<3) |
| mbed_official | 0:a554658735bf | 31 | #define AHB_CLK_ON (1<<4) |
| mbed_official | 0:a554658735bf | 32 | |
| mbed_official | 0:a554658735bf | 33 | // we need host clock, OTG/portsel clock and AHB clock |
| mbed_official | 0:a554658735bf | 34 | #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN) |
| mbed_official | 0:a554658735bf | 35 | |
| mbed_official | 0:a554658735bf | 36 | #define HCCA_SIZE sizeof(HCCA) |
| mbed_official | 0:a554658735bf | 37 | #define ED_SIZE sizeof(HCED) |
| mbed_official | 0:a554658735bf | 38 | #define TD_SIZE sizeof(HCTD) |
| mbed_official | 0:a554658735bf | 39 | |
| mbed_official | 0:a554658735bf | 40 | #define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE)) |
| mbed_official | 0:a554658735bf | 41 | |
| mbed_official | 0:a554658735bf | 42 | static volatile __align(256) uint8_t usb_buf[TOTAL_SIZE] __attribute((section("AHBSRAM1"),aligned)); //256 bytes aligned! |
| mbed_official | 0:a554658735bf | 43 | |
| mbed_official | 0:a554658735bf | 44 | USBHALHost * USBHALHost::instHost; |
| mbed_official | 0:a554658735bf | 45 | |
| mbed_official | 0:a554658735bf | 46 | USBHALHost::USBHALHost() { |
| mbed_official | 0:a554658735bf | 47 | instHost = this; |
| mbed_official | 0:a554658735bf | 48 | memInit(); |
| mbed_official | 0:a554658735bf | 49 | memset((void*)usb_hcca, 0, HCCA_SIZE); |
| mbed_official | 0:a554658735bf | 50 | for (int i = 0; i < MAX_ENDPOINT; i++) { |
| mbed_official | 0:a554658735bf | 51 | edBufAlloc[i] = false; |
| mbed_official | 0:a554658735bf | 52 | } |
| mbed_official | 0:a554658735bf | 53 | for (int i = 0; i < MAX_TD; i++) { |
| mbed_official | 0:a554658735bf | 54 | tdBufAlloc[i] = false; |
| mbed_official | 0:a554658735bf | 55 | } |
| mbed_official | 0:a554658735bf | 56 | } |
| mbed_official | 0:a554658735bf | 57 | |
| mbed_official | 0:a554658735bf | 58 | void USBHALHost::init() { |
| mbed_official | 0:a554658735bf | 59 | NVIC_DisableIRQ(USB_IRQn); |
| mbed_official | 0:a554658735bf | 60 | |
| mbed_official | 0:a554658735bf | 61 | //Cut power |
| mbed_official | 0:a554658735bf | 62 | LPC_SC->PCONP &= ~(1UL<<31); |
| mbed_official | 0:a554658735bf | 63 | wait_ms(100); |
| mbed_official | 0:a554658735bf | 64 | |
| mbed_official | 0:a554658735bf | 65 | // turn on power for USB |
| mbed_official | 0:a554658735bf | 66 | LPC_SC->PCONP |= (1UL<<31); |
| mbed_official | 0:a554658735bf | 67 | |
| mbed_official | 0:a554658735bf | 68 | // Enable USB host clock, port selection and AHB clock |
| mbed_official | 0:a554658735bf | 69 | LPC_USB->USBClkCtrl |= CLOCK_MASK; |
| mbed_official | 0:a554658735bf | 70 | |
| mbed_official | 0:a554658735bf | 71 | // Wait for clocks to become available |
| mbed_official | 0:a554658735bf | 72 | while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK); |
| mbed_official | 0:a554658735bf | 73 | |
| mbed_official | 0:a554658735bf | 74 | // it seems the bits[0:1] mean the following |
| mbed_official | 0:a554658735bf | 75 | // 0: U1=device, U2=host |
| mbed_official | 0:a554658735bf | 76 | // 1: U1=host, U2=host |
| mbed_official | 0:a554658735bf | 77 | // 2: reserved |
| mbed_official | 0:a554658735bf | 78 | // 3: U1=host, U2=device |
| mbed_official | 0:a554658735bf | 79 | // NB: this register is only available if OTG clock (aka "port select") is enabled!! |
| mbed_official | 0:a554658735bf | 80 | // since we don't care about port 2, set just bit 0 to 1 (U1=host) |
| mbed_official | 0:a554658735bf | 81 | LPC_USB->OTGStCtrl |= 1; |
| mbed_official | 0:a554658735bf | 82 | |
| mbed_official | 0:a554658735bf | 83 | // now that we've configured the ports, we can turn off the portsel clock |
| mbed_official | 0:a554658735bf | 84 | LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; |
| mbed_official | 0:a554658735bf | 85 | |
| mbed_official | 0:a554658735bf | 86 | // configure USB D+/D- pins |
| mbed_official | 0:a554658735bf | 87 | // P0[29] = USB_D+, 01 |
| mbed_official | 0:a554658735bf | 88 | // P0[30] = USB_D-, 01 |
| mbed_official | 0:a554658735bf | 89 | LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28)); |
| mbed_official | 0:a554658735bf | 90 | LPC_PINCON->PINSEL1 |= ((1<<26) | (1<<28)); |
| mbed_official | 0:a554658735bf | 91 | |
| mbed_official | 0:a554658735bf | 92 | LPC_USB->HcControl = 0; // HARDWARE RESET |
| mbed_official | 0:a554658735bf | 93 | LPC_USB->HcControlHeadED = 0; // Initialize Control list head to Zero |
| mbed_official | 0:a554658735bf | 94 | LPC_USB->HcBulkHeadED = 0; // Initialize Bulk list head to Zero |
| mbed_official | 0:a554658735bf | 95 | |
| mbed_official | 0:a554658735bf | 96 | // Wait 100 ms before apply reset |
| mbed_official | 0:a554658735bf | 97 | wait_ms(100); |
| mbed_official | 0:a554658735bf | 98 | |
| mbed_official | 0:a554658735bf | 99 | // software reset |
| mbed_official | 0:a554658735bf | 100 | LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR; |
| mbed_official | 0:a554658735bf | 101 | |
| mbed_official | 0:a554658735bf | 102 | // Write Fm Interval and Largest Data Packet Counter |
| mbed_official | 0:a554658735bf | 103 | LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; |
| mbed_official | 0:a554658735bf | 104 | LPC_USB->HcPeriodicStart = FI * 90 / 100; |
| mbed_official | 0:a554658735bf | 105 | |
| mbed_official | 0:a554658735bf | 106 | // Put HC in operational state |
| mbed_official | 0:a554658735bf | 107 | LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER; |
| mbed_official | 0:a554658735bf | 108 | // Set Global Power |
| mbed_official | 0:a554658735bf | 109 | LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; |
| mbed_official | 0:a554658735bf | 110 | |
| mbed_official | 0:a554658735bf | 111 | LPC_USB->HcHCCA = (uint32_t)(usb_hcca); |
| mbed_official | 0:a554658735bf | 112 | |
| mbed_official | 0:a554658735bf | 113 | // Clear Interrrupt Status |
| mbed_official | 0:a554658735bf | 114 | LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; |
| mbed_official | 0:a554658735bf | 115 | |
| mbed_official | 0:a554658735bf | 116 | LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE | OR_INTR_ENABLE_WDH | OR_INTR_ENABLE_RHSC; |
| mbed_official | 0:a554658735bf | 117 | |
| mbed_official | 0:a554658735bf | 118 | // Enable the USB Interrupt |
| mbed_official | 0:a554658735bf | 119 | NVIC_SetVector(USB_IRQn, (uint32_t)(_usbisr)); |
| mbed_official | 0:a554658735bf | 120 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC; |
| mbed_official | 0:a554658735bf | 121 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; |
| mbed_official | 0:a554658735bf | 122 | |
| mbed_official | 0:a554658735bf | 123 | NVIC_EnableIRQ(USB_IRQn); |
| mbed_official | 0:a554658735bf | 124 | |
| mbed_official | 0:a554658735bf | 125 | // Check for any connected devices |
| mbed_official | 0:a554658735bf | 126 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { |
| mbed_official | 0:a554658735bf | 127 | //Device connected |
| samux | 4:b320d68e98e7 | 128 | wait_ms(150); |
| mbed_official | 0:a554658735bf | 129 | USB_DBG("Device connected (%08x)\n\r", LPC_USB->HcRhPortStatus1); |
| mbed_official | 0:a554658735bf | 130 | deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); |
| mbed_official | 0:a554658735bf | 131 | } |
| mbed_official | 0:a554658735bf | 132 | } |
| mbed_official | 0:a554658735bf | 133 | |
| mbed_official | 0:a554658735bf | 134 | uint32_t USBHALHost::controlHeadED() { |
| mbed_official | 0:a554658735bf | 135 | return LPC_USB->HcControlHeadED; |
| mbed_official | 0:a554658735bf | 136 | } |
| mbed_official | 0:a554658735bf | 137 | |
| mbed_official | 0:a554658735bf | 138 | uint32_t USBHALHost::bulkHeadED() { |
| mbed_official | 0:a554658735bf | 139 | return LPC_USB->HcBulkHeadED; |
| mbed_official | 0:a554658735bf | 140 | } |
| mbed_official | 0:a554658735bf | 141 | |
| mbed_official | 0:a554658735bf | 142 | uint32_t USBHALHost::interruptHeadED() { |
| mbed_official | 0:a554658735bf | 143 | return usb_hcca->IntTable[0]; |
| mbed_official | 0:a554658735bf | 144 | } |
| mbed_official | 0:a554658735bf | 145 | |
| mbed_official | 0:a554658735bf | 146 | void USBHALHost::updateBulkHeadED(uint32_t addr) { |
| mbed_official | 0:a554658735bf | 147 | LPC_USB->HcBulkHeadED = addr; |
| mbed_official | 0:a554658735bf | 148 | } |
| mbed_official | 0:a554658735bf | 149 | |
| mbed_official | 0:a554658735bf | 150 | |
| mbed_official | 0:a554658735bf | 151 | void USBHALHost::updateControlHeadED(uint32_t addr) { |
| mbed_official | 0:a554658735bf | 152 | LPC_USB->HcControlHeadED = addr; |
| mbed_official | 0:a554658735bf | 153 | } |
| mbed_official | 0:a554658735bf | 154 | |
| mbed_official | 0:a554658735bf | 155 | void USBHALHost::updateInterruptHeadED(uint32_t addr) { |
| mbed_official | 0:a554658735bf | 156 | usb_hcca->IntTable[0] = addr; |
| mbed_official | 0:a554658735bf | 157 | } |
| mbed_official | 0:a554658735bf | 158 | |
| mbed_official | 0:a554658735bf | 159 | |
| mbed_official | 0:a554658735bf | 160 | void USBHALHost::enableList(ENDPOINT_TYPE type) { |
| mbed_official | 0:a554658735bf | 161 | switch(type) { |
| mbed_official | 0:a554658735bf | 162 | case CONTROL_ENDPOINT: |
| mbed_official | 0:a554658735bf | 163 | LPC_USB->HcCommandStatus = OR_CMD_STATUS_CLF; |
| mbed_official | 0:a554658735bf | 164 | LPC_USB->HcControl |= OR_CONTROL_CLE; |
| mbed_official | 0:a554658735bf | 165 | break; |
| mbed_official | 0:a554658735bf | 166 | case ISOCHRONOUS_ENDPOINT: |
| mbed_official | 0:a554658735bf | 167 | break; |
| mbed_official | 0:a554658735bf | 168 | case BULK_ENDPOINT: |
| mbed_official | 0:a554658735bf | 169 | LPC_USB->HcCommandStatus = OR_CMD_STATUS_BLF; |
| mbed_official | 0:a554658735bf | 170 | LPC_USB->HcControl |= OR_CONTROL_BLE; |
| mbed_official | 0:a554658735bf | 171 | break; |
| mbed_official | 0:a554658735bf | 172 | case INTERRUPT_ENDPOINT: |
| mbed_official | 0:a554658735bf | 173 | LPC_USB->HcControl |= OR_CONTROL_PLE; |
| mbed_official | 0:a554658735bf | 174 | break; |
| mbed_official | 0:a554658735bf | 175 | } |
| mbed_official | 0:a554658735bf | 176 | } |
| mbed_official | 0:a554658735bf | 177 | |
| mbed_official | 0:a554658735bf | 178 | |
| mbed_official | 0:a554658735bf | 179 | bool USBHALHost::disableList(ENDPOINT_TYPE type) { |
| mbed_official | 0:a554658735bf | 180 | switch(type) { |
| mbed_official | 0:a554658735bf | 181 | case CONTROL_ENDPOINT: |
| mbed_official | 0:a554658735bf | 182 | if(LPC_USB->HcControl & OR_CONTROL_CLE) { |
| mbed_official | 0:a554658735bf | 183 | LPC_USB->HcControl &= ~OR_CONTROL_CLE; |
| mbed_official | 0:a554658735bf | 184 | return true; |
| mbed_official | 0:a554658735bf | 185 | } |
| mbed_official | 0:a554658735bf | 186 | return false; |
| mbed_official | 0:a554658735bf | 187 | case ISOCHRONOUS_ENDPOINT: |
| mbed_official | 0:a554658735bf | 188 | return false; |
| mbed_official | 0:a554658735bf | 189 | case BULK_ENDPOINT: |
| mbed_official | 0:a554658735bf | 190 | if(LPC_USB->HcControl & OR_CONTROL_BLE){ |
| mbed_official | 0:a554658735bf | 191 | LPC_USB->HcControl &= ~OR_CONTROL_BLE; |
| mbed_official | 0:a554658735bf | 192 | return true; |
| mbed_official | 0:a554658735bf | 193 | } |
| mbed_official | 0:a554658735bf | 194 | return false; |
| mbed_official | 0:a554658735bf | 195 | case INTERRUPT_ENDPOINT: |
| mbed_official | 0:a554658735bf | 196 | if(LPC_USB->HcControl & OR_CONTROL_PLE) { |
| mbed_official | 0:a554658735bf | 197 | LPC_USB->HcControl &= ~OR_CONTROL_PLE; |
| mbed_official | 0:a554658735bf | 198 | return true; |
| mbed_official | 0:a554658735bf | 199 | } |
| mbed_official | 0:a554658735bf | 200 | return false; |
| mbed_official | 0:a554658735bf | 201 | } |
| mbed_official | 0:a554658735bf | 202 | return false; |
| mbed_official | 0:a554658735bf | 203 | } |
| mbed_official | 0:a554658735bf | 204 | |
| mbed_official | 0:a554658735bf | 205 | |
| mbed_official | 0:a554658735bf | 206 | void USBHALHost::memInit() { |
| mbed_official | 0:a554658735bf | 207 | usb_hcca = (volatile HCCA *)usb_buf; |
| mbed_official | 0:a554658735bf | 208 | usb_edBuf = usb_buf + HCCA_SIZE; |
| mbed_official | 0:a554658735bf | 209 | usb_tdBuf = usb_buf + HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE); |
| mbed_official | 0:a554658735bf | 210 | } |
| mbed_official | 0:a554658735bf | 211 | |
| mbed_official | 0:a554658735bf | 212 | volatile uint8_t * USBHALHost::getED() { |
| mbed_official | 0:a554658735bf | 213 | for (int i = 0; i < MAX_ENDPOINT; i++) { |
| mbed_official | 0:a554658735bf | 214 | if ( !edBufAlloc[i] ) { |
| mbed_official | 0:a554658735bf | 215 | edBufAlloc[i] = true; |
| mbed_official | 0:a554658735bf | 216 | return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE); |
| mbed_official | 0:a554658735bf | 217 | } |
| mbed_official | 0:a554658735bf | 218 | } |
| mbed_official | 0:a554658735bf | 219 | perror("Could not allocate ED\r\n"); |
| mbed_official | 0:a554658735bf | 220 | return NULL; //Could not alloc ED |
| mbed_official | 0:a554658735bf | 221 | } |
| mbed_official | 0:a554658735bf | 222 | |
| mbed_official | 0:a554658735bf | 223 | volatile uint8_t * USBHALHost::getTD() { |
| mbed_official | 0:a554658735bf | 224 | int i; |
| mbed_official | 0:a554658735bf | 225 | for (i = 0; i < MAX_TD; i++) { |
| mbed_official | 0:a554658735bf | 226 | if ( !tdBufAlloc[i] ) { |
| mbed_official | 0:a554658735bf | 227 | tdBufAlloc[i] = true; |
| mbed_official | 0:a554658735bf | 228 | return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE); |
| mbed_official | 0:a554658735bf | 229 | } |
| mbed_official | 0:a554658735bf | 230 | } |
| mbed_official | 0:a554658735bf | 231 | perror("Could not allocate TD\r\n"); |
| mbed_official | 0:a554658735bf | 232 | return NULL; //Could not alloc TD |
| mbed_official | 0:a554658735bf | 233 | } |
| mbed_official | 0:a554658735bf | 234 | |
| mbed_official | 0:a554658735bf | 235 | |
| mbed_official | 0:a554658735bf | 236 | void USBHALHost::freeED(volatile uint8_t * ed) { |
| mbed_official | 0:a554658735bf | 237 | int i; |
| mbed_official | 0:a554658735bf | 238 | i = (ed - usb_edBuf) / ED_SIZE; |
| mbed_official | 0:a554658735bf | 239 | edBufAlloc[i] = false; |
| mbed_official | 0:a554658735bf | 240 | } |
| mbed_official | 0:a554658735bf | 241 | |
| mbed_official | 0:a554658735bf | 242 | void USBHALHost::freeTD(volatile uint8_t * td) { |
| mbed_official | 0:a554658735bf | 243 | int i; |
| mbed_official | 0:a554658735bf | 244 | i = (td - usb_tdBuf) / TD_SIZE; |
| mbed_official | 0:a554658735bf | 245 | tdBufAlloc[i] = false; |
| mbed_official | 0:a554658735bf | 246 | } |
| mbed_official | 0:a554658735bf | 247 | |
| mbed_official | 0:a554658735bf | 248 | |
| mbed_official | 0:a554658735bf | 249 | void USBHALHost::resetRootHub() { |
| mbed_official | 0:a554658735bf | 250 | // Initiate port reset |
| samux | 4:b320d68e98e7 | 251 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; |
| mbed_official | 0:a554658735bf | 252 | |
| mbed_official | 0:a554658735bf | 253 | while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS); |
| mbed_official | 0:a554658735bf | 254 | |
| mbed_official | 0:a554658735bf | 255 | // ...and clear port reset signal |
| mbed_official | 0:a554658735bf | 256 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; |
| mbed_official | 0:a554658735bf | 257 | } |
| mbed_official | 0:a554658735bf | 258 | |
| mbed_official | 0:a554658735bf | 259 | |
| mbed_official | 0:a554658735bf | 260 | void USBHALHost::_usbisr(void) { |
| mbed_official | 0:a554658735bf | 261 | if (instHost) { |
| mbed_official | 0:a554658735bf | 262 | instHost->UsbIrqhandler(); |
| mbed_official | 0:a554658735bf | 263 | } |
| mbed_official | 0:a554658735bf | 264 | } |
| mbed_official | 0:a554658735bf | 265 | |
| mbed_official | 0:a554658735bf | 266 | void USBHALHost::UsbIrqhandler() { |
| mbed_official | 0:a554658735bf | 267 | if( LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable ) //Is there something to actually process? |
| mbed_official | 0:a554658735bf | 268 | { |
| mbed_official | 0:a554658735bf | 269 | |
| mbed_official | 0:a554658735bf | 270 | uint32_t int_status = LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable; |
| mbed_official | 0:a554658735bf | 271 | |
| mbed_official | 0:a554658735bf | 272 | // Root hub status change interrupt |
| mbed_official | 0:a554658735bf | 273 | if (int_status & OR_INTR_STATUS_RHSC) { |
| mbed_official | 0:a554658735bf | 274 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) { |
| mbed_official | 0:a554658735bf | 275 | if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) { |
| mbed_official | 0:a554658735bf | 276 | // When DRWE is on, Connect Status Change |
| mbed_official | 0:a554658735bf | 277 | // means a remote wakeup event. |
| mbed_official | 0:a554658735bf | 278 | } else { |
| mbed_official | 0:a554658735bf | 279 | |
| mbed_official | 0:a554658735bf | 280 | //Root device connected |
| mbed_official | 0:a554658735bf | 281 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { |
| mbed_official | 0:a554658735bf | 282 | |
| samux | 4:b320d68e98e7 | 283 | // wait 150ms to avoid bounce |
| samux | 4:b320d68e98e7 | 284 | wait_ms(150); |
| mbed_official | 0:a554658735bf | 285 | |
| mbed_official | 0:a554658735bf | 286 | //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed |
| mbed_official | 0:a554658735bf | 287 | deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); |
| mbed_official | 0:a554658735bf | 288 | } |
| mbed_official | 0:a554658735bf | 289 | |
| mbed_official | 0:a554658735bf | 290 | //Root device disconnected |
| mbed_official | 0:a554658735bf | 291 | else { |
| mbed_official | 0:a554658735bf | 292 | |
| mbed_official | 0:a554658735bf | 293 | if (!(int_status & OR_INTR_STATUS_WDH)) { |
| mbed_official | 0:a554658735bf | 294 | usb_hcca->DoneHead = 0; |
| mbed_official | 0:a554658735bf | 295 | } |
| mbed_official | 0:a554658735bf | 296 | |
| samux | 4:b320d68e98e7 | 297 | // wait 200ms to avoid bounce |
| samux | 4:b320d68e98e7 | 298 | wait_ms(200); |
| mbed_official | 0:a554658735bf | 299 | |
| mbed_official | 0:a554658735bf | 300 | deviceDisconnected(0, 1, NULL, usb_hcca->DoneHead & 0xFFFFFFFE); |
| mbed_official | 0:a554658735bf | 301 | |
| mbed_official | 0:a554658735bf | 302 | if (int_status & OR_INTR_STATUS_WDH) { |
| mbed_official | 0:a554658735bf | 303 | usb_hcca->DoneHead = 0; |
| mbed_official | 0:a554658735bf | 304 | LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH; |
| mbed_official | 0:a554658735bf | 305 | } |
| mbed_official | 0:a554658735bf | 306 | } |
| mbed_official | 0:a554658735bf | 307 | } |
| mbed_official | 0:a554658735bf | 308 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC; |
| mbed_official | 0:a554658735bf | 309 | } |
| mbed_official | 0:a554658735bf | 310 | if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) { |
| mbed_official | 0:a554658735bf | 311 | LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; |
| mbed_official | 0:a554658735bf | 312 | } |
| mbed_official | 0:a554658735bf | 313 | LPC_USB->HcInterruptStatus = OR_INTR_STATUS_RHSC; |
| mbed_official | 0:a554658735bf | 314 | } |
| mbed_official | 0:a554658735bf | 315 | |
| mbed_official | 0:a554658735bf | 316 | // Writeback Done Head interrupt |
| mbed_official | 0:a554658735bf | 317 | if (int_status & OR_INTR_STATUS_WDH) { |
| mbed_official | 0:a554658735bf | 318 | transferCompleted(usb_hcca->DoneHead & 0xFFFFFFFE); |
| mbed_official | 0:a554658735bf | 319 | LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH; |
| mbed_official | 0:a554658735bf | 320 | } |
| mbed_official | 0:a554658735bf | 321 | } |
| mbed_official | 0:a554658735bf | 322 | } |
