EnOcean USB400 Serial Library
Dependents: USB400Serial_Hello MFT_IoT_demo_USB400 USB400J_app_board_demo
USB400Serial.cpp@0:0dd5d1e4cf71, 2014-12-03 (annotated)
- Committer:
- nanashino
- Date:
- Wed Dec 03 06:18:10 2014 +0000
- Revision:
- 0:0dd5d1e4cf71
initial version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nanashino | 0:0dd5d1e4cf71 | 1 | /* mbed USBHost Library |
nanashino | 0:0dd5d1e4cf71 | 2 | * Copyright (c) 2006-2013 ARM Limited |
nanashino | 0:0dd5d1e4cf71 | 3 | * |
nanashino | 0:0dd5d1e4cf71 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
nanashino | 0:0dd5d1e4cf71 | 5 | * you may not use this file except in compliance with the License. |
nanashino | 0:0dd5d1e4cf71 | 6 | * You may obtain a copy of the License at |
nanashino | 0:0dd5d1e4cf71 | 7 | * |
nanashino | 0:0dd5d1e4cf71 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
nanashino | 0:0dd5d1e4cf71 | 9 | * |
nanashino | 0:0dd5d1e4cf71 | 10 | * Unless required by applicable law or agreed to in writing, software |
nanashino | 0:0dd5d1e4cf71 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
nanashino | 0:0dd5d1e4cf71 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
nanashino | 0:0dd5d1e4cf71 | 13 | * See the License for the specific language governing permissions and |
nanashino | 0:0dd5d1e4cf71 | 14 | * limitations under the License. |
nanashino | 0:0dd5d1e4cf71 | 15 | */ |
nanashino | 0:0dd5d1e4cf71 | 16 | |
nanashino | 0:0dd5d1e4cf71 | 17 | /* USB400Serial Library |
nanashino | 0:0dd5d1e4cf71 | 18 | * Modified mujirushi.org |
nanashino | 0:0dd5d1e4cf71 | 19 | */ |
nanashino | 0:0dd5d1e4cf71 | 20 | |
nanashino | 0:0dd5d1e4cf71 | 21 | #include "USB400Serial.h" |
nanashino | 0:0dd5d1e4cf71 | 22 | |
nanashino | 0:0dd5d1e4cf71 | 23 | #if USBHOST_SERIAL |
nanashino | 0:0dd5d1e4cf71 | 24 | |
nanashino | 0:0dd5d1e4cf71 | 25 | #include "dbg.h" |
nanashino | 0:0dd5d1e4cf71 | 26 | |
nanashino | 0:0dd5d1e4cf71 | 27 | #define CHECK_INTERFACE(cls,subcls,proto) 1 // \ |
nanashino | 0:0dd5d1e4cf71 | 28 | // (((cls == 0xFF) && (subcls == 0xFF) && (proto == 0xFF)) /* QUALCOM CDC */ || \ |
nanashino | 0:0dd5d1e4cf71 | 29 | // ((cls == SERIAL_CLASS) && (subcls == 0x00) && (proto == 0x00)) /* STANDARD CDC */ ) |
nanashino | 0:0dd5d1e4cf71 | 30 | |
nanashino | 0:0dd5d1e4cf71 | 31 | #if (USBHOST_SERIAL <= 1) |
nanashino | 0:0dd5d1e4cf71 | 32 | |
nanashino | 0:0dd5d1e4cf71 | 33 | USB400Serial::USB400Serial() |
nanashino | 0:0dd5d1e4cf71 | 34 | { |
nanashino | 0:0dd5d1e4cf71 | 35 | host = USBHost::getHostInst(); |
nanashino | 0:0dd5d1e4cf71 | 36 | ports_found = 0; |
nanashino | 0:0dd5d1e4cf71 | 37 | dev_connected = false; |
nanashino | 0:0dd5d1e4cf71 | 38 | } |
nanashino | 0:0dd5d1e4cf71 | 39 | |
nanashino | 0:0dd5d1e4cf71 | 40 | bool USB400Serial::connected() |
nanashino | 0:0dd5d1e4cf71 | 41 | { |
nanashino | 0:0dd5d1e4cf71 | 42 | return dev; |
nanashino | 0:0dd5d1e4cf71 | 43 | // return dev_connected; |
nanashino | 0:0dd5d1e4cf71 | 44 | } |
nanashino | 0:0dd5d1e4cf71 | 45 | |
nanashino | 0:0dd5d1e4cf71 | 46 | void USB400Serial::disconnect(void) |
nanashino | 0:0dd5d1e4cf71 | 47 | { |
nanashino | 0:0dd5d1e4cf71 | 48 | ports_found = 0; |
nanashino | 0:0dd5d1e4cf71 | 49 | dev = NULL; |
nanashino | 0:0dd5d1e4cf71 | 50 | } |
nanashino | 0:0dd5d1e4cf71 | 51 | |
nanashino | 0:0dd5d1e4cf71 | 52 | bool USB400Serial::connect() |
nanashino | 0:0dd5d1e4cf71 | 53 | { |
nanashino | 0:0dd5d1e4cf71 | 54 | |
nanashino | 0:0dd5d1e4cf71 | 55 | if (dev) { |
nanashino | 0:0dd5d1e4cf71 | 56 | for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { |
nanashino | 0:0dd5d1e4cf71 | 57 | USBDeviceConnected* d = host->getDevice(i); |
nanashino | 0:0dd5d1e4cf71 | 58 | if (dev == d) |
nanashino | 0:0dd5d1e4cf71 | 59 | return true; |
nanashino | 0:0dd5d1e4cf71 | 60 | } |
nanashino | 0:0dd5d1e4cf71 | 61 | disconnect(); |
nanashino | 0:0dd5d1e4cf71 | 62 | } |
nanashino | 0:0dd5d1e4cf71 | 63 | for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { |
nanashino | 0:0dd5d1e4cf71 | 64 | USBDeviceConnected* d = host->getDevice(i); |
nanashino | 0:0dd5d1e4cf71 | 65 | if (d != NULL) { |
nanashino | 0:0dd5d1e4cf71 | 66 | |
nanashino | 0:0dd5d1e4cf71 | 67 | USB_DBG("Trying to connect serial device \r\n"); |
nanashino | 0:0dd5d1e4cf71 | 68 | if(host->enumerate(d, this)) |
nanashino | 0:0dd5d1e4cf71 | 69 | break; |
nanashino | 0:0dd5d1e4cf71 | 70 | |
nanashino | 0:0dd5d1e4cf71 | 71 | USBEndpoint* bulk_in = d->getEndpoint(port_intf, BULK_ENDPOINT, IN); |
nanashino | 0:0dd5d1e4cf71 | 72 | USBEndpoint* bulk_out = d->getEndpoint(port_intf, BULK_ENDPOINT, OUT); |
nanashino | 0:0dd5d1e4cf71 | 73 | if (bulk_in && bulk_out) { |
nanashino | 0:0dd5d1e4cf71 | 74 | USB400SerialPort::connect(host,d,port_intf,bulk_in, bulk_out); |
nanashino | 0:0dd5d1e4cf71 | 75 | dev = d; |
nanashino | 0:0dd5d1e4cf71 | 76 | } |
nanashino | 0:0dd5d1e4cf71 | 77 | } |
nanashino | 0:0dd5d1e4cf71 | 78 | } |
nanashino | 0:0dd5d1e4cf71 | 79 | return dev != NULL; |
nanashino | 0:0dd5d1e4cf71 | 80 | } |
nanashino | 0:0dd5d1e4cf71 | 81 | |
nanashino | 0:0dd5d1e4cf71 | 82 | /*virtual*/ void USB400Serial::setVidPid(uint16_t vid, uint16_t pid) |
nanashino | 0:0dd5d1e4cf71 | 83 | { |
nanashino | 0:0dd5d1e4cf71 | 84 | // we don't check VID/PID for MSD driver |
nanashino | 0:0dd5d1e4cf71 | 85 | } |
nanashino | 0:0dd5d1e4cf71 | 86 | |
nanashino | 0:0dd5d1e4cf71 | 87 | /*virtual*/ bool USB400Serial::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed |
nanashino | 0:0dd5d1e4cf71 | 88 | { |
nanashino | 0:0dd5d1e4cf71 | 89 | if (!ports_found && |
nanashino | 0:0dd5d1e4cf71 | 90 | CHECK_INTERFACE(intf_class, intf_subclass, intf_protocol)) { |
nanashino | 0:0dd5d1e4cf71 | 91 | port_intf = intf_nb; |
nanashino | 0:0dd5d1e4cf71 | 92 | ports_found = true; |
nanashino | 0:0dd5d1e4cf71 | 93 | return true; |
nanashino | 0:0dd5d1e4cf71 | 94 | } |
nanashino | 0:0dd5d1e4cf71 | 95 | return false; |
nanashino | 0:0dd5d1e4cf71 | 96 | } |
nanashino | 0:0dd5d1e4cf71 | 97 | |
nanashino | 0:0dd5d1e4cf71 | 98 | /*virtual*/ bool USB400Serial::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used |
nanashino | 0:0dd5d1e4cf71 | 99 | { |
nanashino | 0:0dd5d1e4cf71 | 100 | if (ports_found && (intf_nb == port_intf)) { |
nanashino | 0:0dd5d1e4cf71 | 101 | if (type == BULK_ENDPOINT) |
nanashino | 0:0dd5d1e4cf71 | 102 | return true; |
nanashino | 0:0dd5d1e4cf71 | 103 | } |
nanashino | 0:0dd5d1e4cf71 | 104 | return false; |
nanashino | 0:0dd5d1e4cf71 | 105 | } |
nanashino | 0:0dd5d1e4cf71 | 106 | |
nanashino | 0:0dd5d1e4cf71 | 107 | #else // (USBHOST_SERIAL > 1) |
nanashino | 0:0dd5d1e4cf71 | 108 | |
nanashino | 0:0dd5d1e4cf71 | 109 | #endif |
nanashino | 0:0dd5d1e4cf71 | 110 | |
nanashino | 0:0dd5d1e4cf71 | 111 | //------------------------------------------------------------------------------ |
nanashino | 0:0dd5d1e4cf71 | 112 | |
nanashino | 0:0dd5d1e4cf71 | 113 | #define SET_LINE_CODING 0x20 |
nanashino | 0:0dd5d1e4cf71 | 114 | |
nanashino | 0:0dd5d1e4cf71 | 115 | USB400SerialPort::USB400SerialPort(): circ_buf() |
nanashino | 0:0dd5d1e4cf71 | 116 | { |
nanashino | 0:0dd5d1e4cf71 | 117 | init(); |
nanashino | 0:0dd5d1e4cf71 | 118 | } |
nanashino | 0:0dd5d1e4cf71 | 119 | |
nanashino | 0:0dd5d1e4cf71 | 120 | void USB400SerialPort::init(void) |
nanashino | 0:0dd5d1e4cf71 | 121 | { |
nanashino | 0:0dd5d1e4cf71 | 122 | host = NULL; |
nanashino | 0:0dd5d1e4cf71 | 123 | dev = NULL; |
nanashino | 0:0dd5d1e4cf71 | 124 | serial_intf = NULL; |
nanashino | 0:0dd5d1e4cf71 | 125 | size_bulk_in = 0; |
nanashino | 0:0dd5d1e4cf71 | 126 | size_bulk_out = 0; |
nanashino | 0:0dd5d1e4cf71 | 127 | bulk_in = NULL; |
nanashino | 0:0dd5d1e4cf71 | 128 | bulk_out = NULL; |
nanashino | 0:0dd5d1e4cf71 | 129 | line_coding.baudrate = 9600; |
nanashino | 0:0dd5d1e4cf71 | 130 | line_coding.data_bits = 8; |
nanashino | 0:0dd5d1e4cf71 | 131 | line_coding.parity = None; |
nanashino | 0:0dd5d1e4cf71 | 132 | line_coding.stop_bits = 1; |
nanashino | 0:0dd5d1e4cf71 | 133 | circ_buf.flush(); |
nanashino | 0:0dd5d1e4cf71 | 134 | } |
nanashino | 0:0dd5d1e4cf71 | 135 | |
nanashino | 0:0dd5d1e4cf71 | 136 | void USB400SerialPort::connect(USBHost* _host, USBDeviceConnected * _dev, |
nanashino | 0:0dd5d1e4cf71 | 137 | uint8_t _serial_intf, USBEndpoint* _bulk_in, USBEndpoint* _bulk_out) |
nanashino | 0:0dd5d1e4cf71 | 138 | { |
nanashino | 0:0dd5d1e4cf71 | 139 | host = _host; |
nanashino | 0:0dd5d1e4cf71 | 140 | dev = _dev; |
nanashino | 0:0dd5d1e4cf71 | 141 | serial_intf = _serial_intf; |
nanashino | 0:0dd5d1e4cf71 | 142 | bulk_in = _bulk_in; |
nanashino | 0:0dd5d1e4cf71 | 143 | bulk_out = _bulk_out; |
nanashino | 0:0dd5d1e4cf71 | 144 | |
nanashino | 0:0dd5d1e4cf71 | 145 | USB_INFO("New Serial device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, serial_intf); |
nanashino | 0:0dd5d1e4cf71 | 146 | dev->setName("Serial", serial_intf); |
nanashino | 0:0dd5d1e4cf71 | 147 | host->registerDriver(dev, serial_intf, this, &USB400SerialPort::init); |
nanashino | 0:0dd5d1e4cf71 | 148 | baud(9600); // |
nanashino | 0:0dd5d1e4cf71 | 149 | size_bulk_in = bulk_in->getSize(); |
nanashino | 0:0dd5d1e4cf71 | 150 | size_bulk_out = bulk_out->getSize(); |
nanashino | 0:0dd5d1e4cf71 | 151 | bulk_in->attach(this, &USB400SerialPort::rxHandler); |
nanashino | 0:0dd5d1e4cf71 | 152 | bulk_out->attach(this, &USB400SerialPort::txHandler); |
nanashino | 0:0dd5d1e4cf71 | 153 | host->bulkRead(dev, bulk_in, buf, size_bulk_in, false); |
nanashino | 0:0dd5d1e4cf71 | 154 | } |
nanashino | 0:0dd5d1e4cf71 | 155 | |
nanashino | 0:0dd5d1e4cf71 | 156 | void USB400SerialPort::rxHandler() |
nanashino | 0:0dd5d1e4cf71 | 157 | { |
nanashino | 0:0dd5d1e4cf71 | 158 | if (bulk_in) { |
nanashino | 0:0dd5d1e4cf71 | 159 | int len = bulk_in->getLengthTransferred(); |
nanashino | 0:0dd5d1e4cf71 | 160 | if (bulk_in->getState() == USB_TYPE_IDLE) { |
nanashino | 0:0dd5d1e4cf71 | 161 | if(len > 2) { |
nanashino | 0:0dd5d1e4cf71 | 162 | for (int i = 2; i < len; i++) { |
nanashino | 0:0dd5d1e4cf71 | 163 | circ_buf.queue(buf[i]); |
nanashino | 0:0dd5d1e4cf71 | 164 | } |
nanashino | 0:0dd5d1e4cf71 | 165 | } |
nanashino | 0:0dd5d1e4cf71 | 166 | // for (int i = 0; i < len; i++) { |
nanashino | 0:0dd5d1e4cf71 | 167 | // circ_buf.queue(buf[i]); |
nanashino | 0:0dd5d1e4cf71 | 168 | // } |
nanashino | 0:0dd5d1e4cf71 | 169 | rx.call(); |
nanashino | 0:0dd5d1e4cf71 | 170 | host->bulkRead(dev, bulk_in, buf, size_bulk_in, false); |
nanashino | 0:0dd5d1e4cf71 | 171 | } |
nanashino | 0:0dd5d1e4cf71 | 172 | } |
nanashino | 0:0dd5d1e4cf71 | 173 | } |
nanashino | 0:0dd5d1e4cf71 | 174 | |
nanashino | 0:0dd5d1e4cf71 | 175 | void USB400SerialPort::txHandler() |
nanashino | 0:0dd5d1e4cf71 | 176 | { |
nanashino | 0:0dd5d1e4cf71 | 177 | if (bulk_out) { |
nanashino | 0:0dd5d1e4cf71 | 178 | if (bulk_out->getState() == USB_TYPE_IDLE) { |
nanashino | 0:0dd5d1e4cf71 | 179 | tx.call(); |
nanashino | 0:0dd5d1e4cf71 | 180 | } |
nanashino | 0:0dd5d1e4cf71 | 181 | } |
nanashino | 0:0dd5d1e4cf71 | 182 | } |
nanashino | 0:0dd5d1e4cf71 | 183 | |
nanashino | 0:0dd5d1e4cf71 | 184 | int USB400SerialPort::_putc(int c) |
nanashino | 0:0dd5d1e4cf71 | 185 | { |
nanashino | 0:0dd5d1e4cf71 | 186 | if (bulk_out) { |
nanashino | 0:0dd5d1e4cf71 | 187 | if (host->bulkWrite(dev, bulk_out, (uint8_t *)&c, 1) == USB_TYPE_OK) { |
nanashino | 0:0dd5d1e4cf71 | 188 | return 1; |
nanashino | 0:0dd5d1e4cf71 | 189 | } |
nanashino | 0:0dd5d1e4cf71 | 190 | } |
nanashino | 0:0dd5d1e4cf71 | 191 | return -1; |
nanashino | 0:0dd5d1e4cf71 | 192 | } |
nanashino | 0:0dd5d1e4cf71 | 193 | |
nanashino | 0:0dd5d1e4cf71 | 194 | void USB400SerialPort::baud(int baudrate) |
nanashino | 0:0dd5d1e4cf71 | 195 | { |
nanashino | 0:0dd5d1e4cf71 | 196 | line_coding.baudrate = baudrate; |
nanashino | 0:0dd5d1e4cf71 | 197 | format(line_coding.data_bits, (Parity)line_coding.parity, line_coding.stop_bits); |
nanashino | 0:0dd5d1e4cf71 | 198 | } |
nanashino | 0:0dd5d1e4cf71 | 199 | |
nanashino | 0:0dd5d1e4cf71 | 200 | void USB400SerialPort::format(int bits, Parity parity, int stop_bits) |
nanashino | 0:0dd5d1e4cf71 | 201 | { |
nanashino | 0:0dd5d1e4cf71 | 202 | line_coding.data_bits = bits; |
nanashino | 0:0dd5d1e4cf71 | 203 | line_coding.parity = parity; |
nanashino | 0:0dd5d1e4cf71 | 204 | line_coding.stop_bits = (stop_bits == 1) ? 0 : 2; |
nanashino | 0:0dd5d1e4cf71 | 205 | |
nanashino | 0:0dd5d1e4cf71 | 206 | // set line coding |
nanashino | 0:0dd5d1e4cf71 | 207 | host->controlWrite( dev, 0x40, 0, 0, 0, NULL, 0); |
nanashino | 0:0dd5d1e4cf71 | 208 | host->controlWrite( dev, 0x40, 0, 1, 0, NULL, 0); |
nanashino | 0:0dd5d1e4cf71 | 209 | host->controlWrite( dev, 0x40, 0, 2, 0, NULL, 0); |
nanashino | 0:0dd5d1e4cf71 | 210 | host->controlWrite( dev, 0x40, 2, 0x0000, 0, NULL, 0); // flow control none |
nanashino | 0:0dd5d1e4cf71 | 211 | host->controlWrite( dev, 0x40, 3, 0xC034, 0, NULL, 0); // baudrate 57600 |
nanashino | 0:0dd5d1e4cf71 | 212 | host->controlWrite( dev, 0x40, 4, 0x0008, 0, NULL, 0); // data bit 8, parity none, stop bit 1, tx off |
nanashino | 0:0dd5d1e4cf71 | 213 | |
nanashino | 0:0dd5d1e4cf71 | 214 | // host->controlWrite( dev, |
nanashino | 0:0dd5d1e4cf71 | 215 | // USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS, |
nanashino | 0:0dd5d1e4cf71 | 216 | // SET_LINE_CODING, |
nanashino | 0:0dd5d1e4cf71 | 217 | // 0, serial_intf, (uint8_t *)&line_coding, 7); |
nanashino | 0:0dd5d1e4cf71 | 218 | } |
nanashino | 0:0dd5d1e4cf71 | 219 | |
nanashino | 0:0dd5d1e4cf71 | 220 | int USB400SerialPort::_getc() |
nanashino | 0:0dd5d1e4cf71 | 221 | { |
nanashino | 0:0dd5d1e4cf71 | 222 | uint8_t c = 0; |
nanashino | 0:0dd5d1e4cf71 | 223 | if (bulk_in == NULL) { |
nanashino | 0:0dd5d1e4cf71 | 224 | init(); |
nanashino | 0:0dd5d1e4cf71 | 225 | return -1; |
nanashino | 0:0dd5d1e4cf71 | 226 | } |
nanashino | 0:0dd5d1e4cf71 | 227 | while (circ_buf.isEmpty()); |
nanashino | 0:0dd5d1e4cf71 | 228 | circ_buf.dequeue(&c); |
nanashino | 0:0dd5d1e4cf71 | 229 | return c; |
nanashino | 0:0dd5d1e4cf71 | 230 | } |
nanashino | 0:0dd5d1e4cf71 | 231 | |
nanashino | 0:0dd5d1e4cf71 | 232 | int USB400SerialPort::writeBuf(const char* b, int s) |
nanashino | 0:0dd5d1e4cf71 | 233 | { |
nanashino | 0:0dd5d1e4cf71 | 234 | int c = 0; |
nanashino | 0:0dd5d1e4cf71 | 235 | if (bulk_out) { |
nanashino | 0:0dd5d1e4cf71 | 236 | while (c < s) { |
nanashino | 0:0dd5d1e4cf71 | 237 | int i = (s < size_bulk_out) ? s : size_bulk_out; |
nanashino | 0:0dd5d1e4cf71 | 238 | if (host->bulkWrite(dev, bulk_out, (uint8_t *)(b+c), i) == USB_TYPE_OK) |
nanashino | 0:0dd5d1e4cf71 | 239 | c += i; |
nanashino | 0:0dd5d1e4cf71 | 240 | } |
nanashino | 0:0dd5d1e4cf71 | 241 | } |
nanashino | 0:0dd5d1e4cf71 | 242 | return s; |
nanashino | 0:0dd5d1e4cf71 | 243 | } |
nanashino | 0:0dd5d1e4cf71 | 244 | |
nanashino | 0:0dd5d1e4cf71 | 245 | int USB400SerialPort::readBuf(char* b, int s) |
nanashino | 0:0dd5d1e4cf71 | 246 | { |
nanashino | 0:0dd5d1e4cf71 | 247 | int i = 0; |
nanashino | 0:0dd5d1e4cf71 | 248 | if (bulk_in) { |
nanashino | 0:0dd5d1e4cf71 | 249 | for (i = 0; i < s; ) |
nanashino | 0:0dd5d1e4cf71 | 250 | b[i++] = getc(); |
nanashino | 0:0dd5d1e4cf71 | 251 | } |
nanashino | 0:0dd5d1e4cf71 | 252 | return i; |
nanashino | 0:0dd5d1e4cf71 | 253 | } |
nanashino | 0:0dd5d1e4cf71 | 254 | |
nanashino | 0:0dd5d1e4cf71 | 255 | uint8_t USB400SerialPort::available() |
nanashino | 0:0dd5d1e4cf71 | 256 | { |
nanashino | 0:0dd5d1e4cf71 | 257 | return circ_buf.available(); |
nanashino | 0:0dd5d1e4cf71 | 258 | } |
nanashino | 0:0dd5d1e4cf71 | 259 | |
nanashino | 0:0dd5d1e4cf71 | 260 | |
nanashino | 0:0dd5d1e4cf71 | 261 | |
nanashino | 0:0dd5d1e4cf71 | 262 | #endif |