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deanm1278deanm1278
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update usb stuff
1 parent 6fc17a3 commit d27f766

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9 files changed

+93
-35
lines changed

9 files changed

+93
-35
lines changed

‎cores/arduino/USB/SAMD21_USBDevice.cpp

Lines changed: 38 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,38 @@
1+
/*
2+
* SAMD21_USBDevice.cpp
3+
*
4+
* Created on: Feb 21, 2018
5+
* Author: deanm
6+
*/
7+
8+
9+
#include "SAMD21_USBDevice.h"
10+
11+
void USBDevice_SAMD21G18x::reset() {
12+
usb.CTRLA.bit.SWRST = 1;
13+
memset(EP, 0, sizeof(EP));
14+
while (usb.SYNCBUSY.bit.SWRST || usb.SYNCBUSY.bit.ENABLE) {}
15+
usb.DESCADD.reg = (uint32_t)(&EP);
16+
}
17+
18+
void USBDevice_SAMD21G18x::calibrate() {
19+
// Load Pad Calibration data from non-volatile memory
20+
uint32_t *pad_transn_p = (uint32_t *) USB_FUSES_TRANSN_ADDR;
21+
uint32_t *pad_transp_p = (uint32_t *) USB_FUSES_TRANSP_ADDR;
22+
uint32_t *pad_trim_p = (uint32_t *) USB_FUSES_TRIM_ADDR;
23+
24+
uint32_t pad_transn = (*pad_transn_p & USB_FUSES_TRANSN_Msk) >> USB_FUSES_TRANSN_Pos;
25+
uint32_t pad_transp = (*pad_transp_p & USB_FUSES_TRANSP_Msk) >> USB_FUSES_TRANSP_Pos;
26+
uint32_t pad_trim = (*pad_trim_p & USB_FUSES_TRIM_Msk ) >> USB_FUSES_TRIM_Pos;
27+
28+
if (pad_transn == 0x1F) // maximum value (31)
29+
pad_transn = 5;
30+
if (pad_transp == 0x1F) // maximum value (31)
31+
pad_transp = 29;
32+
if (pad_trim == 0x7) // maximum value (7)
33+
pad_trim = 3;
34+
35+
usb.PADCAL.bit.TRANSN = pad_transn;
36+
usb.PADCAL.bit.TRANSP = pad_transp;
37+
usb.PADCAL.bit.TRIM = pad_trim;
38+
}

‎cores/arduino/USB/SAMD21_USBDevice.h

Lines changed: 4 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -177,35 +177,6 @@ class USBDevice_SAMD21G18x {
177177
__attribute__((__aligned__(4))) UsbDeviceDescriptor EP[USB_EPT_NUM];
178178
};
179179

180-
void USBDevice_SAMD21G18x::reset() {
181-
usb.CTRLA.bit.SWRST = 1;
182-
memset(EP, 0, sizeof(EP));
183-
while (usb.SYNCBUSY.bit.SWRST || usb.SYNCBUSY.bit.ENABLE) {}
184-
usb.DESCADD.reg = (uint32_t)(&EP);
185-
}
186-
187-
void USBDevice_SAMD21G18x::calibrate() {
188-
// Load Pad Calibration data from non-volatile memory
189-
uint32_t *pad_transn_p = (uint32_t *) USB_FUSES_TRANSN_ADDR;
190-
uint32_t *pad_transp_p = (uint32_t *) USB_FUSES_TRANSP_ADDR;
191-
uint32_t *pad_trim_p = (uint32_t *) USB_FUSES_TRIM_ADDR;
192-
193-
uint32_t pad_transn = (*pad_transn_p & USB_FUSES_TRANSN_Msk) >> USB_FUSES_TRANSN_Pos;
194-
uint32_t pad_transp = (*pad_transp_p & USB_FUSES_TRANSP_Msk) >> USB_FUSES_TRANSP_Pos;
195-
uint32_t pad_trim = (*pad_trim_p & USB_FUSES_TRIM_Msk ) >> USB_FUSES_TRIM_Pos;
196-
197-
if (pad_transn == 0x1F) // maximum value (31)
198-
pad_transn = 5;
199-
if (pad_transp == 0x1F) // maximum value (31)
200-
pad_transp = 29;
201-
if (pad_trim == 0x7) // maximum value (7)
202-
pad_trim = 3;
203-
204-
usb.PADCAL.bit.TRANSN = pad_transn;
205-
usb.PADCAL.bit.TRANSP = pad_transp;
206-
usb.PADCAL.bit.TRIM = pad_trim;
207-
}
208-
209180
/*
210181
* Synchronization primitives.
211182
* TODO: Move into a separate header file and make an API out of it
@@ -231,7 +202,6 @@ class __Guard {
231202

232203
#define synchronized for (__Guard __guard; __guard.enter(); )
233204

234-
235205
/*
236206
* USB EP generic handlers.
237207
*/
@@ -241,6 +211,8 @@ class EPHandler {
241211
virtual void handleEndpoint() = 0;
242212
virtual uint32_t recv(void *_data, uint32_t len) = 0;
243213
virtual uint32_t available() const = 0;
214+
215+
virtual void init() = 0;
244216
};
245217

246218
class DoubleBufferedEPOutHandler : public EPHandler {
@@ -264,6 +236,8 @@ class DoubleBufferedEPOutHandler : public EPHandler {
264236
release();
265237
}
266238

239+
void init() {};
240+
267241
virtual uint32_t recv(void *_data, uint32_t len)
268242
{
269243
uint8_t *data = reinterpret_cast<uint8_t *>(_data);
@@ -403,4 +377,3 @@ class DoubleBufferedEPOutHandler : public EPHandler {
403377

404378
volatile bool notify;
405379
};
406-

‎cores/arduino/USB/USBAPI.h

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -31,10 +31,17 @@
3131

3232
#include "Stream.h"
3333
#include "RingBuffer.h"
34+
#ifdef __SAMR21G18A__
35+
#include "SAMR21_USBDevice.h"
36+
#else
37+
#include "SAMD21_USBDevice.h"
38+
#endif
3439

3540
//================================================================================
3641
// USB
3742

43+
class EPHandler;
44+
3845
// Low level API
3946
typedef struct {
4047
union {
@@ -85,6 +92,7 @@ class USBDeviceClass {
8592
// Generic EndPoint API
8693
void initEndpoints(void);
8794
void initEP(uint32_t ep, uint32_t type);
95+
void setHandler(uint32_t ep, EPHandler *handler);
8896
void handleEndpoint(uint8_t ep);
8997

9098
uint32_t send(uint32_t ep, const void *data, uint32_t len);

‎cores/arduino/USB/USBCore.cpp

Lines changed: 13 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -474,6 +474,12 @@ void USBDeviceClass::initEP(uint32_t ep, uint32_t config)
474474
{
475475
epHandlers[ep] = new DoubleBufferedEPOutHandler(usbd, ep, 256);
476476
}
477+
else if (config == (USB_ENDPOINT_TYPE_INTERRUPT | USB_ENDPOINT_OUT(0)))
478+
{
479+
if(epHandlers[ep]){
480+
epHandlers[ep]->init();
481+
}
482+
}
477483
else if (config == (USB_ENDPOINT_TYPE_BULK | USB_ENDPOINT_IN(0)))
478484
{
479485
usbd.epBank1SetSize(ep, 64);
@@ -505,6 +511,10 @@ void USBDeviceClass::initEP(uint32_t ep, uint32_t config)
505511
}
506512
}
507513

514+
void USBDeviceClass::setHandler(uint32_t ep, EPHandler *handler) {
515+
epHandlers[ep] = handler;
516+
}
517+
508518
void USBDeviceClass::flush(uint32_t ep)
509519
{
510520
if (available(ep)) {
@@ -700,8 +710,8 @@ uint32_t USBDeviceClass::send(uint32_t ep, const void *data, uint32_t len)
700710

701711
LastTransmitTimedOut[ep] = 0;
702712

703-
if (len >= EPX_SIZE) {
704-
length = EPX_SIZE - 1;
713+
if (len > EPX_SIZE) {
714+
length = EPX_SIZE;
705715
} else {
706716
length = len;
707717
}
@@ -962,6 +972,7 @@ void USBDeviceClass::ISRHandler()
962972
// Check if endpoint has a pending interrupt
963973
if ((ept_int & (1 << i)) != 0)
964974
{
975+
965976
// Endpoint Transfer Complete (0/1) Interrupt
966977
if (usbd.epBank0IsTransferComplete(i) ||
967978
usbd.epBank1IsTransferComplete(i))

‎cores/arduino/USB/USBDesc.h

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -26,6 +26,9 @@
2626
#ifdef CDC_ENABLED
2727
#define CDC_INTERFACE_COUNT 2
2828
#define CDC_ENPOINT_COUNT 3
29+
#else
30+
#define CDC_INTERFACE_COUNT 0
31+
#define CDC_ENPOINT_COUNT 0
2932
#endif
3033

3134
// CDC

‎cores/arduino/startup.c

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -222,6 +222,9 @@ void SystemInit( void )
222222
}
223223

224224
MCLK->CPUDIV.reg = MCLK_CPUDIV_DIV_DIV1;
225+
226+
/* Use the LDO regulator by default */
227+
SUPC->VREG.bit.SEL = 0;
225228

226229
//*************** END SAMD51 *************************//
227230

‎cores/arduino/wiring.c

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -177,7 +177,9 @@ void init( void )
177177
DAC->CTRLB.reg = DAC_CTRLB_REFSEL_AVCC | // Using the 3.3V reference
178178
DAC_CTRLB_EOEN ; // External Output Enable (Vout)
179179
#endif
180-
#endif
180+
181+
182+
#endif //SAMD51
181183
}
182184

183185
#ifdef __cplusplus

‎variants/metro_m4/variant.cpp

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -169,9 +169,18 @@ const PinDescription g_APinDescription[]=
169169
{ PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // DAC/VREFP
170170

171171
// ----------------------
172-
// 40 - Alternate use of A0 and A1 (DAC output)
172+
// 40 - 41 Alternate use of A0 and A1 (DAC output)
173173
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // DAC/VOUT[0]
174174
{ PORTA, 5, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel1, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // DAC/VOUT[1]
175+
176+
// ----------------------
177+
// 42 - 47 QSPI (SCK, CS, IO0, IO1, IO2, IO3)
178+
{ PORTB, 10, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
179+
{ PORTB, 11, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
180+
{ PORTA, 8, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
181+
{ PORTA, 9, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
182+
{ PORTA, 10, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
183+
{ PORTA, 11, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
175184
} ;
176185

177186
const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TCC3, TCC4, TC5 } ;

‎variants/metro_m4/variant.h

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -200,6 +200,17 @@ static const uint8_t SCL = PIN_WIRE_SCL;
200200
#define PIN_I2S_FS (12u)
201201
#define PIN_I2S_MCK (2u)
202202

203+
//QSPI Pins
204+
#define PIN_QSPI_SCK (42u)
205+
#define PIN_QSPI_CS (43u)
206+
#define PIN_QSPI_IO0 (44u)
207+
#define PIN_QSPI_IO1 (45u)
208+
#define PIN_QSPI_IO2 (46u)
209+
#define PIN_QSPI_IO3 (47u)
210+
211+
//TODO: meaningful value for this
212+
#define VARIANT_QSPI_BAUD_DEFAULT 5000000
213+
203214
#ifdef __cplusplus
204215
}
205216
#endif

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