Lee Shen / FTHR_USB_serial_qSPI

max32630fthr quad spi , unexpected spi behavior

FTHR_USB_serial/USBDevice/USBSerial/USBSerial.h@0:a35c40f49345, 2018-03-13 (annotated)

Committer:
boonshen
Date:
Tue Mar 13 21:12:00 2018 +0000
Revision:
0:a35c40f49345
MAX32630FTHR QuadSPI test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
boonshen 0:a35c40f49345 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
boonshen 0:a35c40f49345 2 *
boonshen 0:a35c40f49345 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
boonshen 0:a35c40f49345 4 * and associated documentation files (the "Software"), to deal in the Software without
boonshen 0:a35c40f49345 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
boonshen 0:a35c40f49345 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
boonshen 0:a35c40f49345 7 * Software is furnished to do so, subject to the following conditions:
boonshen 0:a35c40f49345 8 *
boonshen 0:a35c40f49345 9 * The above copyright notice and this permission notice shall be included in all copies or
boonshen 0:a35c40f49345 10 * substantial portions of the Software.
boonshen 0:a35c40f49345 11 *
boonshen 0:a35c40f49345 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
boonshen 0:a35c40f49345 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
boonshen 0:a35c40f49345 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
boonshen 0:a35c40f49345 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
boonshen 0:a35c40f49345 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
boonshen 0:a35c40f49345 17 */
boonshen 0:a35c40f49345 18
boonshen 0:a35c40f49345 19 #ifndef USBSERIAL_H
boonshen 0:a35c40f49345 20 #define USBSERIAL_H
boonshen 0:a35c40f49345 21
boonshen 0:a35c40f49345 22 #include "USBCDC.h"
boonshen 0:a35c40f49345 23 #include "Stream.h"
boonshen 0:a35c40f49345 24 #include "CircBuffer.h"
boonshen 0:a35c40f49345 25
boonshen 0:a35c40f49345 26
boonshen 0:a35c40f49345 27 /**
boonshen 0:a35c40f49345 28 * USBSerial example
boonshen 0:a35c40f49345 29 *
boonshen 0:a35c40f49345 30 * @code
boonshen 0:a35c40f49345 31 * #include "mbed.h"
boonshen 0:a35c40f49345 32 * #include "USBSerial.h"
boonshen 0:a35c40f49345 33 *
boonshen 0:a35c40f49345 34 * //Virtual serial port over USB
boonshen 0:a35c40f49345 35 * USBSerial serial;
boonshen 0:a35c40f49345 36 *
boonshen 0:a35c40f49345 37 * int main(void) {
boonshen 0:a35c40f49345 38 *
boonshen 0:a35c40f49345 39 * while(1)
boonshen 0:a35c40f49345 40 * {
boonshen 0:a35c40f49345 41 * serial.printf("I am a virtual serial port\n");
boonshen 0:a35c40f49345 42 * wait(1);
boonshen 0:a35c40f49345 43 * }
boonshen 0:a35c40f49345 44 * }
boonshen 0:a35c40f49345 45 * @endcode
boonshen 0:a35c40f49345 46 */
boonshen 0:a35c40f49345 47 class USBSerial: public USBCDC, public Stream {
boonshen 0:a35c40f49345 48 public:
boonshen 0:a35c40f49345 49
boonshen 0:a35c40f49345 50 /**
boonshen 0:a35c40f49345 51 * Constructor
boonshen 0:a35c40f49345 52 *
boonshen 0:a35c40f49345 53 * @param vendor_id Your vendor_id (default: 0x1f00)
boonshen 0:a35c40f49345 54 * @param product_id Your product_id (default: 0x2012)
boonshen 0:a35c40f49345 55 * @param product_release Your preoduct_release (default: 0x0001)
boonshen 0:a35c40f49345 56 * @param connect_blocking define if the connection must be blocked if USB not plugged in
boonshen 0:a35c40f49345 57 *
boonshen 0:a35c40f49345 58 */
boonshen 0:a35c40f49345 59 USBSerial(uint16_t vendor_id = 0x1f00, uint16_t product_id = 0x2012, uint16_t product_release = 0x0001, bool connect_blocking = true): USBCDC(vendor_id, product_id, product_release, connect_blocking){
boonshen 0:a35c40f49345 60 settingsChangedCallback = 0;
boonshen 0:a35c40f49345 61 };
boonshen 0:a35c40f49345 62
boonshen 0:a35c40f49345 63
boonshen 0:a35c40f49345 64 /**
boonshen 0:a35c40f49345 65 * Send a character. You can use puts, printf.
boonshen 0:a35c40f49345 66 *
boonshen 0:a35c40f49345 67 * @param c character to be sent
boonshen 0:a35c40f49345 68 * @returns true if there is no error, false otherwise
boonshen 0:a35c40f49345 69 */
boonshen 0:a35c40f49345 70 virtual int _putc(int c);
boonshen 0:a35c40f49345 71
boonshen 0:a35c40f49345 72 /**
boonshen 0:a35c40f49345 73 * Read a character: blocking
boonshen 0:a35c40f49345 74 *
boonshen 0:a35c40f49345 75 * @returns character read
boonshen 0:a35c40f49345 76 */
boonshen 0:a35c40f49345 77 virtual int _getc();
boonshen 0:a35c40f49345 78
boonshen 0:a35c40f49345 79 /**
boonshen 0:a35c40f49345 80 * Check the number of bytes available.
boonshen 0:a35c40f49345 81 *
boonshen 0:a35c40f49345 82 * @returns the number of bytes available
boonshen 0:a35c40f49345 83 */
boonshen 0:a35c40f49345 84 uint8_t available();
boonshen 0:a35c40f49345 85
boonshen 0:a35c40f49345 86 /** Determine if there is a character available to read
boonshen 0:a35c40f49345 87 *
boonshen 0:a35c40f49345 88 * @returns
boonshen 0:a35c40f49345 89 * 1 if there is a character available to read,
boonshen 0:a35c40f49345 90 * 0 otherwise
boonshen 0:a35c40f49345 91 */
boonshen 0:a35c40f49345 92 int readable() { return available() ? 1 : 0; }
boonshen 0:a35c40f49345 93
boonshen 0:a35c40f49345 94 /** Determine if there is space available to write a character
boonshen 0:a35c40f49345 95 *
boonshen 0:a35c40f49345 96 * @returns
boonshen 0:a35c40f49345 97 * 1 if there is space to write a character,
boonshen 0:a35c40f49345 98 * 0 otherwise
boonshen 0:a35c40f49345 99 */
boonshen 0:a35c40f49345 100 int writeable() { return 1; } // always return 1, for write operation is blocking
boonshen 0:a35c40f49345 101
boonshen 0:a35c40f49345 102 /**
boonshen 0:a35c40f49345 103 * Write a block of data.
boonshen 0:a35c40f49345 104 *
boonshen 0:a35c40f49345 105 * For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written.
boonshen 0:a35c40f49345 106 *
boonshen 0:a35c40f49345 107 * @param buf pointer on data which will be written
boonshen 0:a35c40f49345 108 * @param size size of the buffer. The maximum size of a block is limited by the size of the endpoint (64 bytes)
boonshen 0:a35c40f49345 109 *
boonshen 0:a35c40f49345 110 * @returns true if successfull
boonshen 0:a35c40f49345 111 */
boonshen 0:a35c40f49345 112 bool writeBlock(uint8_t * buf, uint16_t size);
boonshen 0:a35c40f49345 113
boonshen 0:a35c40f49345 114 /**
boonshen 0:a35c40f49345 115 * Attach a member function to call when a packet is received.
boonshen 0:a35c40f49345 116 *
boonshen 0:a35c40f49345 117 * @param tptr pointer to the object to call the member function on
boonshen 0:a35c40f49345 118 * @param mptr pointer to the member function to be called
boonshen 0:a35c40f49345 119 */
boonshen 0:a35c40f49345 120 template<typename T>
boonshen 0:a35c40f49345 121 void attach(T* tptr, void (T::*mptr)(void)) {
boonshen 0:a35c40f49345 122 if((mptr != NULL) && (tptr != NULL)) {
boonshen 0:a35c40f49345 123 rx.attach(tptr, mptr);
boonshen 0:a35c40f49345 124 }
boonshen 0:a35c40f49345 125 }
boonshen 0:a35c40f49345 126
boonshen 0:a35c40f49345 127 /**
boonshen 0:a35c40f49345 128 * Attach a callback called when a packet is received
boonshen 0:a35c40f49345 129 *
boonshen 0:a35c40f49345 130 * @param fptr function pointer
boonshen 0:a35c40f49345 131 */
boonshen 0:a35c40f49345 132 void attach(void (*fptr)(void)) {
boonshen 0:a35c40f49345 133 if(fptr != NULL) {
boonshen 0:a35c40f49345 134 rx.attach(fptr);
boonshen 0:a35c40f49345 135 }
boonshen 0:a35c40f49345 136 }
boonshen 0:a35c40f49345 137
boonshen 0:a35c40f49345 138 /**
boonshen 0:a35c40f49345 139 * Attach a callback to call when serial's settings are changed.
boonshen 0:a35c40f49345 140 *
boonshen 0:a35c40f49345 141 * @param fptr function pointer
boonshen 0:a35c40f49345 142 */
boonshen 0:a35c40f49345 143 void attach(void (*fptr)(int baud, int bits, int parity, int stop)) {
boonshen 0:a35c40f49345 144 settingsChangedCallback = fptr;
boonshen 0:a35c40f49345 145 }
boonshen 0:a35c40f49345 146
boonshen 0:a35c40f49345 147 protected:
boonshen 0:a35c40f49345 148 virtual bool EPBULK_OUT_callback();
boonshen 0:a35c40f49345 149 virtual void lineCodingChanged(int baud, int bits, int parity, int stop){
boonshen 0:a35c40f49345 150 if (settingsChangedCallback) {
boonshen 0:a35c40f49345 151 settingsChangedCallback(baud, bits, parity, stop);
boonshen 0:a35c40f49345 152 }
boonshen 0:a35c40f49345 153 }
boonshen 0:a35c40f49345 154
boonshen 0:a35c40f49345 155 private:
boonshen 0:a35c40f49345 156 FunctionPointer rx;
boonshen 0:a35c40f49345 157 CircBuffer<uint8_t,128> buf;
boonshen 0:a35c40f49345 158 void (*settingsChangedCallback)(int baud, int bits, int parity, int stop);
boonshen 0:a35c40f49345 159 };
boonshen 0:a35c40f49345 160
boonshen 0:a35c40f49345 161 #endif