Sinan Divarci / Mbed OS max4146x_comp

max4146x_comp

Dependencies:   MAX14690

USBDevice/USBSerial/USBCDC.cpp@0:0061165683ee, 2020-10-25 (annotated)

Committer:
sdivarci
Date:
Sun Oct 25 20:10:02 2020 +0000
Revision:
0:0061165683ee
sdivarci

Who changed what in which revision?

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sdivarci 0:0061165683ee 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
sdivarci 0:0061165683ee 2 *
sdivarci 0:0061165683ee 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
sdivarci 0:0061165683ee 4 * and associated documentation files (the "Software"), to deal in the Software without
sdivarci 0:0061165683ee 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
sdivarci 0:0061165683ee 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
sdivarci 0:0061165683ee 7 * Software is furnished to do so, subject to the following conditions:
sdivarci 0:0061165683ee 8 *
sdivarci 0:0061165683ee 9 * The above copyright notice and this permission notice shall be included in all copies or
sdivarci 0:0061165683ee 10 * substantial portions of the Software.
sdivarci 0:0061165683ee 11 *
sdivarci 0:0061165683ee 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
sdivarci 0:0061165683ee 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
sdivarci 0:0061165683ee 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
sdivarci 0:0061165683ee 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
sdivarci 0:0061165683ee 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
sdivarci 0:0061165683ee 17 */
sdivarci 0:0061165683ee 18
sdivarci 0:0061165683ee 19 #include "stdint.h"
sdivarci 0:0061165683ee 20 #include "USBCDC.h"
sdivarci 0:0061165683ee 21
sdivarci 0:0061165683ee 22 static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08};
sdivarci 0:0061165683ee 23
sdivarci 0:0061165683ee 24 #define DEFAULT_CONFIGURATION (1)
sdivarci 0:0061165683ee 25
sdivarci 0:0061165683ee 26 #define CDC_SET_LINE_CODING 0x20
sdivarci 0:0061165683ee 27 #define CDC_GET_LINE_CODING 0x21
sdivarci 0:0061165683ee 28 #define CDC_SET_CONTROL_LINE_STATE 0x22
sdivarci 0:0061165683ee 29
sdivarci 0:0061165683ee 30 // Control Line State bits
sdivarci 0:0061165683ee 31 #define CLS_DTR (1 << 0)
sdivarci 0:0061165683ee 32 #define CLS_RTS (1 << 1)
sdivarci 0:0061165683ee 33
sdivarci 0:0061165683ee 34 #define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK
sdivarci 0:0061165683ee 35
sdivarci 0:0061165683ee 36 USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking): USBDevice(vendor_id, product_id, product_release) {
sdivarci 0:0061165683ee 37 terminal_connected = false;
sdivarci 0:0061165683ee 38 USBDevice::connect(connect_blocking);
sdivarci 0:0061165683ee 39 }
sdivarci 0:0061165683ee 40
sdivarci 0:0061165683ee 41 bool USBCDC::USBCallback_request(void) {
sdivarci 0:0061165683ee 42 /* Called in ISR context */
sdivarci 0:0061165683ee 43
sdivarci 0:0061165683ee 44 bool success = false;
sdivarci 0:0061165683ee 45 CONTROL_TRANSFER * transfer = getTransferPtr();
sdivarci 0:0061165683ee 46
sdivarci 0:0061165683ee 47 /* Process class-specific requests */
sdivarci 0:0061165683ee 48
sdivarci 0:0061165683ee 49 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
sdivarci 0:0061165683ee 50 switch (transfer->setup.bRequest) {
sdivarci 0:0061165683ee 51 case CDC_GET_LINE_CODING:
sdivarci 0:0061165683ee 52 transfer->remaining = 7;
sdivarci 0:0061165683ee 53 transfer->ptr = cdc_line_coding;
sdivarci 0:0061165683ee 54 transfer->direction = DEVICE_TO_HOST;
sdivarci 0:0061165683ee 55 success = true;
sdivarci 0:0061165683ee 56 break;
sdivarci 0:0061165683ee 57 case CDC_SET_LINE_CODING:
sdivarci 0:0061165683ee 58 transfer->remaining = 7;
sdivarci 0:0061165683ee 59 transfer->notify = true;
sdivarci 0:0061165683ee 60 success = true;
sdivarci 0:0061165683ee 61 break;
sdivarci 0:0061165683ee 62 case CDC_SET_CONTROL_LINE_STATE:
sdivarci 0:0061165683ee 63 if (transfer->setup.wValue & CLS_DTR) {
sdivarci 0:0061165683ee 64 terminal_connected = true;
sdivarci 0:0061165683ee 65 } else {
sdivarci 0:0061165683ee 66 terminal_connected = false;
sdivarci 0:0061165683ee 67 }
sdivarci 0:0061165683ee 68 success = true;
sdivarci 0:0061165683ee 69 break;
sdivarci 0:0061165683ee 70 default:
sdivarci 0:0061165683ee 71 break;
sdivarci 0:0061165683ee 72 }
sdivarci 0:0061165683ee 73 }
sdivarci 0:0061165683ee 74
sdivarci 0:0061165683ee 75 return success;
sdivarci 0:0061165683ee 76 }
sdivarci 0:0061165683ee 77
sdivarci 0:0061165683ee 78 void USBCDC::USBCallback_requestCompleted(uint8_t *buf, uint32_t length) {
sdivarci 0:0061165683ee 79 // Request of setting line coding has 7 bytes
sdivarci 0:0061165683ee 80 if (length != 7) {
sdivarci 0:0061165683ee 81 return;
sdivarci 0:0061165683ee 82 }
sdivarci 0:0061165683ee 83
sdivarci 0:0061165683ee 84 CONTROL_TRANSFER * transfer = getTransferPtr();
sdivarci 0:0061165683ee 85
sdivarci 0:0061165683ee 86 /* Process class-specific requests */
sdivarci 0:0061165683ee 87 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
sdivarci 0:0061165683ee 88 if (transfer->setup.bRequest == CDC_SET_LINE_CODING) {
sdivarci 0:0061165683ee 89 if (memcmp(cdc_line_coding, buf, 7)) {
sdivarci 0:0061165683ee 90 memcpy(cdc_line_coding, buf, 7);
sdivarci 0:0061165683ee 91
sdivarci 0:0061165683ee 92 int baud = buf[0] + (buf[1] << 8)
sdivarci 0:0061165683ee 93 + (buf[2] << 16) + (buf[3] << 24);
sdivarci 0:0061165683ee 94 int stop = buf[4];
sdivarci 0:0061165683ee 95 int bits = buf[6];
sdivarci 0:0061165683ee 96 int parity = buf[5];
sdivarci 0:0061165683ee 97
sdivarci 0:0061165683ee 98 lineCodingChanged(baud, bits, parity, stop);
sdivarci 0:0061165683ee 99 }
sdivarci 0:0061165683ee 100 }
sdivarci 0:0061165683ee 101 }
sdivarci 0:0061165683ee 102 }
sdivarci 0:0061165683ee 103
sdivarci 0:0061165683ee 104 // Called in ISR context
sdivarci 0:0061165683ee 105 // Set configuration. Return false if the
sdivarci 0:0061165683ee 106 // configuration is not supported.
sdivarci 0:0061165683ee 107 bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) {
sdivarci 0:0061165683ee 108 if (configuration != DEFAULT_CONFIGURATION) {
sdivarci 0:0061165683ee 109 return false;
sdivarci 0:0061165683ee 110 }
sdivarci 0:0061165683ee 111
sdivarci 0:0061165683ee 112 // Configure endpoints > 0
sdivarci 0:0061165683ee 113 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
sdivarci 0:0061165683ee 114 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
sdivarci 0:0061165683ee 115 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
sdivarci 0:0061165683ee 116
sdivarci 0:0061165683ee 117 // We activate the endpoint to be able to recceive data
sdivarci 0:0061165683ee 118 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
sdivarci 0:0061165683ee 119 return true;
sdivarci 0:0061165683ee 120 }
sdivarci 0:0061165683ee 121
sdivarci 0:0061165683ee 122 bool USBCDC::send(uint8_t * buffer, uint32_t size) {
sdivarci 0:0061165683ee 123 return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE);
sdivarci 0:0061165683ee 124 }
sdivarci 0:0061165683ee 125
sdivarci 0:0061165683ee 126 bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) {
sdivarci 0:0061165683ee 127 if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
sdivarci 0:0061165683ee 128 return false;
sdivarci 0:0061165683ee 129 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
sdivarci 0:0061165683ee 130 return false;
sdivarci 0:0061165683ee 131 return true;
sdivarci 0:0061165683ee 132 }
sdivarci 0:0061165683ee 133
sdivarci 0:0061165683ee 134 bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) {
sdivarci 0:0061165683ee 135 if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
sdivarci 0:0061165683ee 136 return false;
sdivarci 0:0061165683ee 137 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
sdivarci 0:0061165683ee 138 return false;
sdivarci 0:0061165683ee 139 return true;
sdivarci 0:0061165683ee 140 }
sdivarci 0:0061165683ee 141
sdivarci 0:0061165683ee 142
sdivarci 0:0061165683ee 143 uint8_t * USBCDC::deviceDesc() {
sdivarci 0:0061165683ee 144 static uint8_t deviceDescriptor[] = {
sdivarci 0:0061165683ee 145 18, // bLength
sdivarci 0:0061165683ee 146 1, // bDescriptorType
sdivarci 0:0061165683ee 147 0x10, 0x01, // bcdUSB
sdivarci 0:0061165683ee 148 2, // bDeviceClass
sdivarci 0:0061165683ee 149 0, // bDeviceSubClass
sdivarci 0:0061165683ee 150 0, // bDeviceProtocol
sdivarci 0:0061165683ee 151 MAX_PACKET_SIZE_EP0, // bMaxPacketSize0
sdivarci 0:0061165683ee 152 (uint8_t)(LSB(VENDOR_ID)), (uint8_t)(MSB(VENDOR_ID)), // idVendor
sdivarci 0:0061165683ee 153 (uint8_t)(LSB(PRODUCT_ID)), (uint8_t)(MSB(PRODUCT_ID)),// idProduct
sdivarci 0:0061165683ee 154 0x00, 0x01, // bcdDevice
sdivarci 0:0061165683ee 155 1, // iManufacturer
sdivarci 0:0061165683ee 156 2, // iProduct
sdivarci 0:0061165683ee 157 3, // iSerialNumber
sdivarci 0:0061165683ee 158 1 // bNumConfigurations
sdivarci 0:0061165683ee 159 };
sdivarci 0:0061165683ee 160 return deviceDescriptor;
sdivarci 0:0061165683ee 161 }
sdivarci 0:0061165683ee 162
sdivarci 0:0061165683ee 163 uint8_t * USBCDC::stringIinterfaceDesc() {
sdivarci 0:0061165683ee 164 static uint8_t stringIinterfaceDescriptor[] = {
sdivarci 0:0061165683ee 165 0x08,
sdivarci 0:0061165683ee 166 STRING_DESCRIPTOR,
sdivarci 0:0061165683ee 167 'C',0,'D',0,'C',0,
sdivarci 0:0061165683ee 168 };
sdivarci 0:0061165683ee 169 return stringIinterfaceDescriptor;
sdivarci 0:0061165683ee 170 }
sdivarci 0:0061165683ee 171
sdivarci 0:0061165683ee 172 uint8_t * USBCDC::stringIproductDesc() {
sdivarci 0:0061165683ee 173 static uint8_t stringIproductDescriptor[] = {
sdivarci 0:0061165683ee 174 0x16,
sdivarci 0:0061165683ee 175 STRING_DESCRIPTOR,
sdivarci 0:0061165683ee 176 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0
sdivarci 0:0061165683ee 177 };
sdivarci 0:0061165683ee 178 return stringIproductDescriptor;
sdivarci 0:0061165683ee 179 }
sdivarci 0:0061165683ee 180
sdivarci 0:0061165683ee 181
sdivarci 0:0061165683ee 182 #define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7)
sdivarci 0:0061165683ee 183
sdivarci 0:0061165683ee 184 uint8_t * USBCDC::configurationDesc() {
sdivarci 0:0061165683ee 185 static uint8_t configDescriptor[] = {
sdivarci 0:0061165683ee 186 // configuration descriptor
sdivarci 0:0061165683ee 187 9, // bLength
sdivarci 0:0061165683ee 188 2, // bDescriptorType
sdivarci 0:0061165683ee 189 LSB(CONFIG1_DESC_SIZE), // wTotalLength
sdivarci 0:0061165683ee 190 MSB(CONFIG1_DESC_SIZE),
sdivarci 0:0061165683ee 191 2, // bNumInterfaces
sdivarci 0:0061165683ee 192 1, // bConfigurationValue
sdivarci 0:0061165683ee 193 0, // iConfiguration
sdivarci 0:0061165683ee 194 0x80, // bmAttributes
sdivarci 0:0061165683ee 195 50, // bMaxPower
sdivarci 0:0061165683ee 196
sdivarci 0:0061165683ee 197 // IAD to associate the two CDC interfaces
sdivarci 0:0061165683ee 198 0x08, // bLength
sdivarci 0:0061165683ee 199 0x0b, // bDescriptorType
sdivarci 0:0061165683ee 200 0x00, // bFirstInterface
sdivarci 0:0061165683ee 201 0x02, // bInterfaceCount
sdivarci 0:0061165683ee 202 0x02, // bFunctionClass
sdivarci 0:0061165683ee 203 0x02, // bFunctionSubClass
sdivarci 0:0061165683ee 204 0, // bFunctionProtocol
sdivarci 0:0061165683ee 205 0, // iFunction
sdivarci 0:0061165683ee 206
sdivarci 0:0061165683ee 207 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
sdivarci 0:0061165683ee 208 9, // bLength
sdivarci 0:0061165683ee 209 4, // bDescriptorType
sdivarci 0:0061165683ee 210 0, // bInterfaceNumber
sdivarci 0:0061165683ee 211 0, // bAlternateSetting
sdivarci 0:0061165683ee 212 1, // bNumEndpoints
sdivarci 0:0061165683ee 213 0x02, // bInterfaceClass
sdivarci 0:0061165683ee 214 0x02, // bInterfaceSubClass
sdivarci 0:0061165683ee 215 0x01, // bInterfaceProtocol
sdivarci 0:0061165683ee 216 0, // iInterface
sdivarci 0:0061165683ee 217
sdivarci 0:0061165683ee 218 // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
sdivarci 0:0061165683ee 219 5, // bFunctionLength
sdivarci 0:0061165683ee 220 0x24, // bDescriptorType
sdivarci 0:0061165683ee 221 0x00, // bDescriptorSubtype
sdivarci 0:0061165683ee 222 0x10, 0x01, // bcdCDC
sdivarci 0:0061165683ee 223
sdivarci 0:0061165683ee 224 // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
sdivarci 0:0061165683ee 225 5, // bFunctionLength
sdivarci 0:0061165683ee 226 0x24, // bDescriptorType
sdivarci 0:0061165683ee 227 0x01, // bDescriptorSubtype
sdivarci 0:0061165683ee 228 0x03, // bmCapabilities
sdivarci 0:0061165683ee 229 1, // bDataInterface
sdivarci 0:0061165683ee 230
sdivarci 0:0061165683ee 231 // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
sdivarci 0:0061165683ee 232 4, // bFunctionLength
sdivarci 0:0061165683ee 233 0x24, // bDescriptorType
sdivarci 0:0061165683ee 234 0x02, // bDescriptorSubtype
sdivarci 0:0061165683ee 235 0x06, // bmCapabilities
sdivarci 0:0061165683ee 236
sdivarci 0:0061165683ee 237 // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
sdivarci 0:0061165683ee 238 5, // bFunctionLength
sdivarci 0:0061165683ee 239 0x24, // bDescriptorType
sdivarci 0:0061165683ee 240 0x06, // bDescriptorSubtype
sdivarci 0:0061165683ee 241 0, // bMasterInterface
sdivarci 0:0061165683ee 242 1, // bSlaveInterface0
sdivarci 0:0061165683ee 243
sdivarci 0:0061165683ee 244 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
sdivarci 0:0061165683ee 245 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
sdivarci 0:0061165683ee 246 ENDPOINT_DESCRIPTOR, // bDescriptorType
sdivarci 0:0061165683ee 247 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
sdivarci 0:0061165683ee 248 E_INTERRUPT, // bmAttributes (0x03=intr)
sdivarci 0:0061165683ee 249 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
sdivarci 0:0061165683ee 250 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
sdivarci 0:0061165683ee 251 16, // bInterval
sdivarci 0:0061165683ee 252
sdivarci 0:0061165683ee 253
sdivarci 0:0061165683ee 254
sdivarci 0:0061165683ee 255
sdivarci 0:0061165683ee 256 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
sdivarci 0:0061165683ee 257 9, // bLength
sdivarci 0:0061165683ee 258 4, // bDescriptorType
sdivarci 0:0061165683ee 259 1, // bInterfaceNumber
sdivarci 0:0061165683ee 260 0, // bAlternateSetting
sdivarci 0:0061165683ee 261 2, // bNumEndpoints
sdivarci 0:0061165683ee 262 0x0A, // bInterfaceClass
sdivarci 0:0061165683ee 263 0x00, // bInterfaceSubClass
sdivarci 0:0061165683ee 264 0x00, // bInterfaceProtocol
sdivarci 0:0061165683ee 265 0, // iInterface
sdivarci 0:0061165683ee 266
sdivarci 0:0061165683ee 267 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
sdivarci 0:0061165683ee 268 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
sdivarci 0:0061165683ee 269 ENDPOINT_DESCRIPTOR, // bDescriptorType
sdivarci 0:0061165683ee 270 PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
sdivarci 0:0061165683ee 271 E_BULK, // bmAttributes (0x02=bulk)
sdivarci 0:0061165683ee 272 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
sdivarci 0:0061165683ee 273 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
sdivarci 0:0061165683ee 274 0, // bInterval
sdivarci 0:0061165683ee 275
sdivarci 0:0061165683ee 276 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
sdivarci 0:0061165683ee 277 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
sdivarci 0:0061165683ee 278 ENDPOINT_DESCRIPTOR, // bDescriptorType
sdivarci 0:0061165683ee 279 PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress
sdivarci 0:0061165683ee 280 E_BULK, // bmAttributes (0x02=bulk)
sdivarci 0:0061165683ee 281 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
sdivarci 0:0061165683ee 282 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
sdivarci 0:0061165683ee 283 0 // bInterval
sdivarci 0:0061165683ee 284 };
sdivarci 0:0061165683ee 285 return configDescriptor;
sdivarci 0:0061165683ee 286 }