Library to use Arduino USB host shield on mbed

Dependents:   USBHOST_PS5

ArduinoのUSB Host Shield 2.0をmbedで使えるようにしたライブラリです。
大体のコードがArduinoからそのまま移植可能です。

Arduino UNOやMega用のホストシールド以外にもミニサイズのホストシールドでも使用可能です https://os.mbed.com/media/uploads/kotakku/dffgfddswa.png

シールドについて

3.3VのI/O用にシールドの改造が必要になりますがネット上に記事がたくさんあるのでそちらを参考にしてください

接続例

https://os.mbed.com/media/uploads/kotakku/esgsvfvhjrekldkcjxvb.png

使い方

Arduinoのコードと違うのはUSBのインスタンスの宣言部分のみです。
ピンを自分で指定できるようにしたので使いやすくなりました。

仕様

  • Arduinoのmillis関数、micros関数の移植のために内部でTimerクラスを使用しています。

main.cpp

#include "mbed.h"
#include <PS3BT.h>
#include <usbhub.h>

Serial pc(USBTX, USBRX, 115200);

//Nucleo f303k8用
USB Usb(A6, A5, A4, A3, A2); // mosi, miso, sclk, ssel, intr
BTD Btd(&Usb);
PS3BT PS3(&Btd);

int main()
{
    bool printAngle = false;

    if (Usb.Init() == -1)
    {
        pc.printf("\r\nOSC did not start");
        while (1); // Halt
    }
    pc.printf("\r\nPS3 USB Library Started");

    while (1)
    {
        Usb.Task();
        
        if (PS3.PS3Connected || PS3.PS3NavigationConnected) {
            if (PS3.getAnalogHat(LeftHatX) > 137 || PS3.getAnalogHat(LeftHatX) < 117 || PS3.getAnalogHat(LeftHatY) > 137 || PS3.getAnalogHat(LeftHatY) < 117 || PS3.getAnalogHat(RightHatX) > 137 || PS3.getAnalogHat(RightHatX) < 117 || PS3.getAnalogHat(RightHatY) > 137 || PS3.getAnalogHat(RightHatY) < 117)
            {
                pc.printf("\r\nLeftHatX: %d", PS3.getAnalogHat(LeftHatX));
                pc.printf("\tLeftHatY: %d", PS3.getAnalogHat(LeftHatY));
                if (PS3.PS3Connected)
                { // The Navigation controller only have one joystick
                    pc.printf("\tRightHatX: %d", PS3.getAnalogHat(RightHatX));
                    pc.printf("\tRightHatY: %d", PS3.getAnalogHat(RightHatY));
                }
            }
            // Analog button values can be read from almost all buttons
            if (PS3.getAnalogButton(L2) || PS3.getAnalogButton(R2))
            {
                pc.printf("\r\nL2: %d", PS3.getAnalogButton(L2));
                if (!PS3.PS3NavigationConnected)
                {
                    pc.printf("\tR2: %d", PS3.getAnalogButton(R2));
                }
            }
            if (PS3.getButtonClick(PS))
            {
                PS3.disconnect();
                pc.printf("\r\nPS");
            }
    
            if (PS3.getButtonClick(TRIANGLE))
                pc.printf("\r\nTriangle");
            if (PS3.getButtonClick(CIRCLE))
                pc.printf("\r\nCircle");
            if (PS3.getButtonClick(CROSS))
                pc.printf("\r\nCross");
            if (PS3.getButtonClick(SQUARE))
                pc.printf("\r\nSquare");
    
            if (PS3.getButtonClick(UP))
            {
                pc.printf("\r\nUp");
                PS3.setLedOff();
                PS3.setLedOn(CONTROLLER_LED4);
            }
            if (PS3.getButtonClick(RIGHT))
            {
                pc.printf("\r\nRight");
                PS3.setLedOff();
                PS3.setLedOn(CONTROLLER_LED1);
            }
            if (PS3.getButtonClick(DOWN))
            {
                pc.printf("\r\nDown");
                PS3.setLedOff();
                PS3.setLedOn(CONTROLLER_LED2);
            }
            if (PS3.getButtonClick(LEFT))
            {
                pc.printf("\r\nLeft");
                PS3.setLedOff();
                PS3.setLedOn(CONTROLLER_LED3);
            }
    
            if (PS3.getButtonClick(L1))
                pc.printf("\r\nL1");
            if (PS3.getButtonClick(L3))
                pc.printf("\r\nL3");
            if (PS3.getButtonClick(R1))
                pc.printf("\r\nR1");
            if (PS3.getButtonClick(R3))
                pc.printf("\r\nR3");
    
            if (PS3.getButtonClick(SELECT))
            {
                pc.printf("\r\nSelect - ");
                PS3.printStatusString();
            }
            if (PS3.getButtonClick(START))
            {
                pc.printf("\r\nStart");
                printAngle = !printAngle;
            }
            if (printAngle)
            {
                pc.printf("\r\nPitch: %.3lf", PS3.getAngle(Pitch));
                pc.printf("\tRoll: %.3lf", PS3.getAngle(Roll));
            }
        }
        else
        {
            pc.printf("not connect\n");
        }
    }
}
Committer:
robo_ichinoseki_a
Date:
Sat May 02 05:56:48 2020 +0000
Revision:
1:da31140f2a1c
Parent:
0:b1ce54272580
update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kotakku 0:b1ce54272580 1 #include "Usb.h"
kotakku 0:b1ce54272580 2 #include "usbhost.h"
kotakku 0:b1ce54272580 3
kotakku 0:b1ce54272580 4 //#define DEBUGMODE
kotakku 0:b1ce54272580 5 #ifdef DEBUGMODE
kotakku 0:b1ce54272580 6 #define DEBUG(x, ...) printf("[%s:%d]" x "\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
kotakku 0:b1ce54272580 7 #else
kotakku 0:b1ce54272580 8 #define DEBUG(...) while (0);
kotakku 0:b1ce54272580 9 #endif
kotakku 0:b1ce54272580 10
kotakku 0:b1ce54272580 11
kotakku 0:b1ce54272580 12
kotakku 0:b1ce54272580 13 /* constructor */
kotakku 0:b1ce54272580 14 MAX3421E::MAX3421E(PinName mosi, PinName miso, PinName sclk, PinName ssel, PinName intr) : SPI(mosi, miso, sclk), _ss(ssel), _intr(intr)
kotakku 0:b1ce54272580 15 {
kotakku 0:b1ce54272580 16 _ss = 1;
kotakku 0:b1ce54272580 17
kotakku 0:b1ce54272580 18 //_spi.mode = SPI_MODE_MASTER;
kotakku 0:b1ce54272580 19 format(8, 0);
kotakku 0:b1ce54272580 20 frequency(26000000);
kotakku 0:b1ce54272580 21 }
kotakku 0:b1ce54272580 22
kotakku 0:b1ce54272580 23 /* write single byte into MAX3421 register */
kotakku 0:b1ce54272580 24 void MAX3421E::regWr(uint8_t reg, uint8_t data)
kotakku 0:b1ce54272580 25 {
kotakku 0:b1ce54272580 26 uint8_t c[2];
kotakku 0:b1ce54272580 27
kotakku 0:b1ce54272580 28 _ss = 0;
kotakku 0:b1ce54272580 29
kotakku 0:b1ce54272580 30 c[0] = reg | 0x02;
kotakku 0:b1ce54272580 31 c[1] = data;
kotakku 0:b1ce54272580 32
kotakku 0:b1ce54272580 33 SPI::write(c[0]);
kotakku 0:b1ce54272580 34 SPI::write(c[1]);
kotakku 0:b1ce54272580 35
kotakku 0:b1ce54272580 36 //HAL_SPI_Transmit(&SPI_Handle, c, 2, HAL_MAX_DELAY);
kotakku 0:b1ce54272580 37 DEBUG("- wirte %2x, %2x\n", c[0], c[1]);
kotakku 0:b1ce54272580 38
kotakku 0:b1ce54272580 39 //DEBUG("w %d, %d\n", c[0], c[1]);
kotakku 0:b1ce54272580 40
kotakku 0:b1ce54272580 41 _ss = 1;
kotakku 0:b1ce54272580 42 }
kotakku 0:b1ce54272580 43
kotakku 0:b1ce54272580 44 /* multiple-byte write */
kotakku 0:b1ce54272580 45
kotakku 0:b1ce54272580 46 /* returns a pointer to memory position after last written */
kotakku 0:b1ce54272580 47 uint8_t *MAX3421E::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t *data_p)
kotakku 0:b1ce54272580 48 {
kotakku 0:b1ce54272580 49 //uint8_t data = reg | 0x02;
kotakku 0:b1ce54272580 50
kotakku 0:b1ce54272580 51 _ss = 0;
kotakku 0:b1ce54272580 52
kotakku 0:b1ce54272580 53 uint8_t data = reg | 0x02;
kotakku 0:b1ce54272580 54
kotakku 0:b1ce54272580 55 SPI::write(data);
kotakku 0:b1ce54272580 56 while (nbytes)
kotakku 0:b1ce54272580 57 {
kotakku 0:b1ce54272580 58 SPI::write(*data_p);
kotakku 0:b1ce54272580 59 nbytes--;
kotakku 0:b1ce54272580 60 data_p++; // advance data pointer
kotakku 0:b1ce54272580 61 }
kotakku 0:b1ce54272580 62
kotakku 0:b1ce54272580 63 _ss = 1;
kotakku 0:b1ce54272580 64 return data_p;
kotakku 0:b1ce54272580 65 }
kotakku 0:b1ce54272580 66 /* GPIO write */
kotakku 0:b1ce54272580 67 /*GPIO byte is split between 2 registers, so two writes are needed to write one byte */
kotakku 0:b1ce54272580 68 /* GPOUT bits are in the low nibble. 0-3 in IOPINS1, 4-7 in IOPINS2 */
kotakku 0:b1ce54272580 69
kotakku 0:b1ce54272580 70 void MAX3421E::gpioWr(uint8_t data)
kotakku 0:b1ce54272580 71 {
kotakku 0:b1ce54272580 72 regWr(rIOPINS1, data);
kotakku 0:b1ce54272580 73 data >>= 4;
kotakku 0:b1ce54272580 74 regWr(rIOPINS2, data);
kotakku 0:b1ce54272580 75 return;
kotakku 0:b1ce54272580 76 }
kotakku 0:b1ce54272580 77
kotakku 0:b1ce54272580 78 /* single host register read */
kotakku 0:b1ce54272580 79
kotakku 0:b1ce54272580 80 uint8_t MAX3421E::regRd(uint8_t reg)
kotakku 0:b1ce54272580 81 {
kotakku 0:b1ce54272580 82 _ss = 0;
kotakku 0:b1ce54272580 83
kotakku 0:b1ce54272580 84 SPI::write(reg);
kotakku 0:b1ce54272580 85 uint8_t rv = SPI::write(0);
kotakku 0:b1ce54272580 86
kotakku 0:b1ce54272580 87 DEBUG("- read %2x\n", rv);
kotakku 0:b1ce54272580 88 _ss = 1;
kotakku 0:b1ce54272580 89
kotakku 0:b1ce54272580 90 return rv;
kotakku 0:b1ce54272580 91 }
kotakku 0:b1ce54272580 92 /* multiple-byte register read */
kotakku 0:b1ce54272580 93
kotakku 0:b1ce54272580 94 /* returns a pointer to a memory position after last read */
kotakku 0:b1ce54272580 95 uint8_t *MAX3421E::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t *data_p)
kotakku 0:b1ce54272580 96 {
kotakku 0:b1ce54272580 97 _ss = 0;
kotakku 0:b1ce54272580 98
kotakku 0:b1ce54272580 99
kotakku 0:b1ce54272580 100 SPI::write(reg);
kotakku 0:b1ce54272580 101 memset(data_p, 0, nbytes);
kotakku 0:b1ce54272580 102 while (nbytes)
kotakku 0:b1ce54272580 103 {
kotakku 0:b1ce54272580 104 *data_p = SPI::write(0);
kotakku 0:b1ce54272580 105 data_p++;
kotakku 0:b1ce54272580 106 nbytes--;
kotakku 0:b1ce54272580 107 }
kotakku 0:b1ce54272580 108
kotakku 0:b1ce54272580 109 _ss = 1;
kotakku 0:b1ce54272580 110
kotakku 0:b1ce54272580 111 return data_p;
kotakku 0:b1ce54272580 112 }
kotakku 0:b1ce54272580 113
kotakku 0:b1ce54272580 114 /* GPIO read. See gpioWr for explanation */
kotakku 0:b1ce54272580 115
kotakku 0:b1ce54272580 116 /** @brief Reads the current GPI input values
kotakku 0:b1ce54272580 117 * @retval uint8_t Bitwise value of all 8 GPI inputs
kotakku 0:b1ce54272580 118 */
kotakku 0:b1ce54272580 119 /* GPIN pins are in high nibbles of IOPINS1, IOPINS2 */
kotakku 0:b1ce54272580 120
kotakku 0:b1ce54272580 121 uint8_t MAX3421E::gpioRd()
kotakku 0:b1ce54272580 122 {
kotakku 0:b1ce54272580 123 uint8_t gpin = 0;
kotakku 0:b1ce54272580 124 gpin = regRd(rIOPINS2); //pins 4-7
kotakku 0:b1ce54272580 125 gpin &= 0xf0; //clean lower nibble
kotakku 0:b1ce54272580 126 gpin |= (regRd(rIOPINS1) >> 4); //shift low bits and OR with upper from previous operation.
kotakku 0:b1ce54272580 127 return (gpin);
kotakku 0:b1ce54272580 128 }
kotakku 0:b1ce54272580 129
kotakku 0:b1ce54272580 130 /** @brief Reads the current GPI output values
kotakku 0:b1ce54272580 131 * @retval uint8_t Bitwise value of all 8 GPI outputs
kotakku 0:b1ce54272580 132 */
kotakku 0:b1ce54272580 133 /* GPOUT pins are in low nibbles of IOPINS1, IOPINS2 */
kotakku 0:b1ce54272580 134
kotakku 0:b1ce54272580 135 uint8_t MAX3421E::gpioRdOutput()
kotakku 0:b1ce54272580 136 {
kotakku 0:b1ce54272580 137 uint8_t gpout = 0;
kotakku 0:b1ce54272580 138 gpout = regRd(rIOPINS1); //pins 0-3
kotakku 0:b1ce54272580 139 gpout &= 0x0f; //clean upper nibble
kotakku 0:b1ce54272580 140 gpout |= (regRd(rIOPINS2) << 4); //shift high bits and OR with lower from previous operation.
kotakku 0:b1ce54272580 141 return (gpout);
kotakku 0:b1ce54272580 142 }
kotakku 0:b1ce54272580 143
kotakku 0:b1ce54272580 144 /* reset MAX3421E. Returns number of cycles it took for PLL to stabilize after reset
kotakku 0:b1ce54272580 145 or zero if PLL haven't stabilized in 65535 cycles */
kotakku 0:b1ce54272580 146
kotakku 0:b1ce54272580 147 uint16_t MAX3421E::reset()
kotakku 0:b1ce54272580 148 {
kotakku 0:b1ce54272580 149 uint16_t i = 0;
kotakku 0:b1ce54272580 150 regWr(rUSBCTL, bmCHIPRES);
kotakku 0:b1ce54272580 151 regWr(rUSBCTL, 0x00);
kotakku 0:b1ce54272580 152 while (++i)
kotakku 0:b1ce54272580 153 {
kotakku 0:b1ce54272580 154 if ((regRd(rUSBIRQ) & bmOSCOKIRQ))
kotakku 0:b1ce54272580 155 {
kotakku 0:b1ce54272580 156 break;
kotakku 0:b1ce54272580 157 }
kotakku 0:b1ce54272580 158 }
kotakku 0:b1ce54272580 159 return (i);
kotakku 0:b1ce54272580 160 }
kotakku 0:b1ce54272580 161
kotakku 0:b1ce54272580 162 /* initialize MAX3421E. Set Host mode, pullups, and stuff. Returns 0 if success, -1 if not */
kotakku 0:b1ce54272580 163
kotakku 0:b1ce54272580 164 int8_t MAX3421E::Init()
kotakku 0:b1ce54272580 165 {
kotakku 0:b1ce54272580 166 XMEM_ACQUIRE_SPI();
kotakku 0:b1ce54272580 167 // Moved here.
kotakku 0:b1ce54272580 168 // you really should not init hardware in the constructor when it involves locks.
kotakku 0:b1ce54272580 169 // Also avoids the vbus flicker issue confusing some devices.
kotakku 0:b1ce54272580 170 /* pin and peripheral setup */
kotakku 0:b1ce54272580 171
kotakku 0:b1ce54272580 172 _ss = 1;
kotakku 0:b1ce54272580 173
kotakku 0:b1ce54272580 174 XMEM_RELEASE_SPI();
kotakku 0:b1ce54272580 175 /* MAX3421E - full-duplex SPI, level interrupt */
kotakku 0:b1ce54272580 176 // GPX pin on. Moved here, otherwise we flicker the vbus.
kotakku 0:b1ce54272580 177 regWr(rPINCTL, (bmFDUPSPI | bmINTLEVEL));
kotakku 0:b1ce54272580 178
kotakku 0:b1ce54272580 179 if (reset() == 0)
kotakku 0:b1ce54272580 180 { //OSCOKIRQ hasn't asserted in time
kotakku 0:b1ce54272580 181 return (-1);
kotakku 0:b1ce54272580 182 }
kotakku 0:b1ce54272580 183
kotakku 0:b1ce54272580 184 regWr(rMODE, bmDPPULLDN | bmDMPULLDN | bmHOST); // set pull-downs, Host
kotakku 0:b1ce54272580 185
kotakku 0:b1ce54272580 186 regWr(rHIEN, bmCONDETIE | bmFRAMEIE); //connection detection
kotakku 0:b1ce54272580 187
kotakku 0:b1ce54272580 188 /* check if device is connected */
kotakku 0:b1ce54272580 189 regWr(rHCTL, bmSAMPLEBUS); // sample USB bus
kotakku 0:b1ce54272580 190 while (!(regRd(rHCTL) & bmSAMPLEBUS))
kotakku 0:b1ce54272580 191 ; //wait for sample operation to finish
kotakku 0:b1ce54272580 192
kotakku 0:b1ce54272580 193 busprobe(); //check if anything is connected
kotakku 0:b1ce54272580 194
kotakku 0:b1ce54272580 195 regWr(rHIRQ, bmCONDETIRQ); //clear connection detect interrupt
kotakku 0:b1ce54272580 196 regWr(rCPUCTL, 0x01); //enable interrupt pin
kotakku 0:b1ce54272580 197
kotakku 0:b1ce54272580 198 return (0);
kotakku 0:b1ce54272580 199 }
kotakku 0:b1ce54272580 200
kotakku 0:b1ce54272580 201 /* initialize MAX3421E. Set Host mode, pullups, and stuff. Returns 0 if success, -1 if not */
kotakku 0:b1ce54272580 202
kotakku 0:b1ce54272580 203 int8_t MAX3421E::Init(int mseconds)
kotakku 0:b1ce54272580 204 {
kotakku 0:b1ce54272580 205 XMEM_ACQUIRE_SPI();
kotakku 0:b1ce54272580 206 // Moved here.
kotakku 0:b1ce54272580 207 // you really should not init hardware in the constructor when it involves locks.
kotakku 0:b1ce54272580 208 // Also avoids the vbus flicker issue confusing some devices.
kotakku 0:b1ce54272580 209 /* pin and peripheral setup */
kotakku 0:b1ce54272580 210
kotakku 0:b1ce54272580 211 _ss = 1;
kotakku 0:b1ce54272580 212
kotakku 0:b1ce54272580 213 XMEM_RELEASE_SPI();
kotakku 0:b1ce54272580 214 /* MAX3421E - full-duplex SPI, level interrupt, vbus off */
kotakku 0:b1ce54272580 215 regWr(rPINCTL, (bmFDUPSPI | bmINTLEVEL | GPX_VBDET));
kotakku 0:b1ce54272580 216
kotakku 0:b1ce54272580 217 if (reset() == 0)
kotakku 0:b1ce54272580 218 { //OSCOKIRQ hasn't asserted in time
kotakku 0:b1ce54272580 219 return (-1);
kotakku 0:b1ce54272580 220 }
kotakku 0:b1ce54272580 221
kotakku 0:b1ce54272580 222 // Delay a minimum of 1 second to ensure any capacitors are drained.
kotakku 0:b1ce54272580 223 // 1 second is required to make sure we do not smoke a Microdrive!
kotakku 0:b1ce54272580 224 if (mseconds < 1000)
kotakku 0:b1ce54272580 225 mseconds = 1000;
kotakku 0:b1ce54272580 226 delay(mseconds);
kotakku 0:b1ce54272580 227
kotakku 0:b1ce54272580 228 regWr(rMODE, bmDPPULLDN | bmDMPULLDN | bmHOST); // set pull-downs, Host
kotakku 0:b1ce54272580 229
kotakku 0:b1ce54272580 230 regWr(rHIEN, bmCONDETIE | bmFRAMEIE); //connection detection
kotakku 0:b1ce54272580 231
kotakku 0:b1ce54272580 232 /* check if device is connected */
kotakku 0:b1ce54272580 233 regWr(rHCTL, bmSAMPLEBUS); // sample USB bus
kotakku 0:b1ce54272580 234 while (!(regRd(rHCTL) & bmSAMPLEBUS))
kotakku 0:b1ce54272580 235 ; //wait for sample operation to finish
kotakku 0:b1ce54272580 236
kotakku 0:b1ce54272580 237 busprobe(); //check if anything is connected
kotakku 0:b1ce54272580 238
kotakku 0:b1ce54272580 239 regWr(rHIRQ, bmCONDETIRQ); //clear connection detect interrupt
kotakku 0:b1ce54272580 240 regWr(rCPUCTL, 0x01); //enable interrupt pin
kotakku 0:b1ce54272580 241
kotakku 0:b1ce54272580 242 // GPX pin on. This is done here so that busprobe will fail if we have a switch connected.
kotakku 0:b1ce54272580 243 regWr(rPINCTL, (bmFDUPSPI | bmINTLEVEL));
kotakku 0:b1ce54272580 244
kotakku 0:b1ce54272580 245 return (0);
kotakku 0:b1ce54272580 246 }
kotakku 0:b1ce54272580 247
kotakku 0:b1ce54272580 248 /* probe bus to determine device presence and speed and switch host to this speed */
kotakku 0:b1ce54272580 249
kotakku 0:b1ce54272580 250 void MAX3421E::busprobe()
kotakku 0:b1ce54272580 251 {
kotakku 0:b1ce54272580 252 uint8_t bus_sample;
kotakku 0:b1ce54272580 253 DEBUG("busprobe()\n");
kotakku 0:b1ce54272580 254 bus_sample = regRd(rHRSL); //Get J,K status
kotakku 0:b1ce54272580 255 bus_sample &= (bmJSTATUS | bmKSTATUS); //zero the rest of the byte
kotakku 0:b1ce54272580 256 switch (bus_sample)
kotakku 0:b1ce54272580 257 { //start full-speed or low-speed host
kotakku 0:b1ce54272580 258 case (bmJSTATUS):
kotakku 0:b1ce54272580 259 if ((regRd(rMODE) & bmLOWSPEED) == 0)
kotakku 0:b1ce54272580 260 {
kotakku 0:b1ce54272580 261 regWr(rMODE, MODE_FS_HOST); //start full-speed host
kotakku 0:b1ce54272580 262 vbusState = FSHOST;
kotakku 0:b1ce54272580 263 }
kotakku 0:b1ce54272580 264 else
kotakku 0:b1ce54272580 265 {
kotakku 0:b1ce54272580 266 regWr(rMODE, MODE_LS_HOST); //start low-speed host
kotakku 0:b1ce54272580 267 vbusState = LSHOST;
kotakku 0:b1ce54272580 268 }
kotakku 0:b1ce54272580 269 break;
kotakku 0:b1ce54272580 270 case (bmKSTATUS):
kotakku 0:b1ce54272580 271 if ((regRd(rMODE) & bmLOWSPEED) == 0)
kotakku 0:b1ce54272580 272 {
kotakku 0:b1ce54272580 273 regWr(rMODE, MODE_LS_HOST); //start low-speed host
kotakku 0:b1ce54272580 274 vbusState = LSHOST;
kotakku 0:b1ce54272580 275 }
kotakku 0:b1ce54272580 276 else
kotakku 0:b1ce54272580 277 {
kotakku 0:b1ce54272580 278 regWr(rMODE, MODE_FS_HOST); //start full-speed host
kotakku 0:b1ce54272580 279 vbusState = FSHOST;
kotakku 0:b1ce54272580 280 }
kotakku 0:b1ce54272580 281 break;
kotakku 0:b1ce54272580 282 case (bmSE1): //illegal state
kotakku 0:b1ce54272580 283 vbusState = SE1;
kotakku 0:b1ce54272580 284 break;
kotakku 0:b1ce54272580 285 case (bmSE0): //disconnected state
kotakku 0:b1ce54272580 286 regWr(rMODE, bmDPPULLDN | bmDMPULLDN | bmHOST | bmSEPIRQ);
kotakku 0:b1ce54272580 287 vbusState = SE0;
kotakku 0:b1ce54272580 288 break;
kotakku 0:b1ce54272580 289 } //end switch( bus_sample )
kotakku 0:b1ce54272580 290 }
kotakku 0:b1ce54272580 291
kotakku 0:b1ce54272580 292 /* MAX3421 state change task and interrupt handler */
kotakku 0:b1ce54272580 293
kotakku 0:b1ce54272580 294 uint8_t MAX3421E::Task(void)
kotakku 0:b1ce54272580 295 {
kotakku 0:b1ce54272580 296 uint8_t rcode = 0;
kotakku 0:b1ce54272580 297 uint8_t pinvalue;
kotakku 0:b1ce54272580 298 //USB_HOST_SERIAL.print("Vbus state: ");
kotakku 0:b1ce54272580 299 //USB_HOST_SERIAL.println( vbusState, HEX );
kotakku 0:b1ce54272580 300
kotakku 0:b1ce54272580 301 pinvalue = _intr.read();
kotakku 0:b1ce54272580 302
kotakku 0:b1ce54272580 303 //pinvalue = digitalRead( MAX_INT );
kotakku 0:b1ce54272580 304 if (pinvalue == 0)
kotakku 0:b1ce54272580 305 {
kotakku 0:b1ce54272580 306 rcode = IntHandler();
kotakku 0:b1ce54272580 307 }
kotakku 0:b1ce54272580 308 // pinvalue = digitalRead( MAX_GPX );
kotakku 0:b1ce54272580 309 // if( pinvalue == LOW ) {
kotakku 0:b1ce54272580 310 // GpxHandler();
kotakku 0:b1ce54272580 311 // }
kotakku 0:b1ce54272580 312 // usbSM(); //USB state machine
kotakku 0:b1ce54272580 313 return (rcode);
kotakku 0:b1ce54272580 314 }
kotakku 0:b1ce54272580 315
kotakku 0:b1ce54272580 316 uint8_t MAX3421E::IntHandler()
kotakku 0:b1ce54272580 317 {
kotakku 0:b1ce54272580 318 uint8_t HIRQ;
kotakku 0:b1ce54272580 319 uint8_t HIRQ_sendback = 0x00;
kotakku 0:b1ce54272580 320
kotakku 0:b1ce54272580 321 DEBUG("IntHandler\n");
kotakku 0:b1ce54272580 322 HIRQ = regRd(rHIRQ); //determine interrupt source
kotakku 0:b1ce54272580 323 //if( HIRQ & bmFRAMEIRQ ) { //->1ms SOF interrupt handler
kotakku 0:b1ce54272580 324 // HIRQ_sendback |= bmFRAMEIRQ;
kotakku 0:b1ce54272580 325 //}//end FRAMEIRQ handling
kotakku 0:b1ce54272580 326 if (HIRQ & bmCONDETIRQ)
kotakku 0:b1ce54272580 327 {
kotakku 0:b1ce54272580 328 busprobe();
kotakku 0:b1ce54272580 329 HIRQ_sendback |= bmCONDETIRQ;
kotakku 0:b1ce54272580 330 }
kotakku 0:b1ce54272580 331 // End HIRQ interrupts handling, clear serviced IRQs
kotakku 0:b1ce54272580 332 regWr(rHIRQ, HIRQ_sendback);
kotakku 0:b1ce54272580 333 return (HIRQ_sendback);
kotakku 0:b1ce54272580 334 }