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Merge pull request #137 from felis/SPI

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Implement Arduino SPI transaction API
This commit is contained in:
Kristian Sloth Lauszus 2015-04-07 15:41:17 +02:00
commit 7c40645ff1
41 changed files with 132 additions and 46 deletions
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3
examples/Bluetooth/BTHID/BTHID.ino
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@ -8,7 +8,8 @@
#include <usbhub.h> #include <usbhub.h>
#include "KeyboardParser.h" #include "KeyboardParser.h"
#include "MouseParser.h" #include "MouseParser.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/PS3BT/PS3BT.ino
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@ -6,7 +6,8 @@
#include <PS3BT.h> #include <PS3BT.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/PS3Multi/PS3Multi.ino
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@ -7,7 +7,8 @@
#include <PS3BT.h> #include <PS3BT.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/PS3SPP/PS3SPP.ino
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@ -12,7 +12,8 @@
#include <PS3BT.h> #include <PS3BT.h>
#include <SPP.h> #include <SPP.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

2
examples/Bluetooth/PS4BT/PS4BT.ino
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@ -7,7 +7,7 @@
#include <PS4BT.h> #include <PS4BT.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/SPP/SPP.ino
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@ -6,7 +6,8 @@
#include <SPP.h> #include <SPP.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

1
examples/Bluetooth/SPPMulti/SPPMulti.ino
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@ -6,6 +6,7 @@
#include <SPP.h> #include <SPP.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

3
examples/Bluetooth/Wii/Wii.ino
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@ -6,7 +6,8 @@
#include <Wii.h> #include <Wii.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/WiiIRCamera/WiiIRCamera.ino
View file

@ -13,7 +13,8 @@ Otherwise, wire up a IR LED yourself.
#include <Wii.h> #include <Wii.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/WiiMulti/WiiMulti.ino
View file

@ -7,7 +7,8 @@
#include <Wii.h> #include <Wii.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Bluetooth/WiiUProController/WiiUProController.ino
View file

@ -6,7 +6,8 @@
#include <Wii.h> #include <Wii.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/HID/USBHIDBootKbd/USBHIDBootKbd.ino
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@ -1,6 +1,7 @@
#include <hidboot.h> #include <hidboot.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

1
examples/HID/USBHIDBootKbdAndMouse/USBHIDBootKbdAndMouse.ino
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@ -1,5 +1,6 @@
#include <hidboot.h> #include <hidboot.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

3
examples/HID/USBHIDBootMouse/USBHIDBootMouse.ino
View file

@ -1,6 +1,7 @@
#include <hidboot.h> #include <hidboot.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

1
examples/HID/USBHIDJoystick/USBHIDJoystick.ino
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@ -1,6 +1,7 @@
#include <hid.h> #include <hid.h>
#include <hiduniversal.h> #include <hiduniversal.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

3
examples/HID/USBHID_desc/USBHID_desc.ino
View file

@ -3,7 +3,8 @@
#include <hidescriptorparser.h> #include <hidescriptorparser.h>
#include <usbhub.h> #include <usbhub.h>
#include "pgmstrings.h" #include "pgmstrings.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/HID/le3dp/le3dp.ino
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@ -5,7 +5,8 @@
#include <usbhub.h> #include <usbhub.h>
#include "le3dp_rptparser.h" #include "le3dp_rptparser.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/HID/scale/scale.ino
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@ -6,7 +6,8 @@
#include <usbhub.h> #include <usbhub.h>
#include "scale_rptparser.h" #include "scale_rptparser.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/PS3USB/PS3USB.ino
View file

@ -5,7 +5,8 @@
*/ */
#include <PS3USB.h> #include <PS3USB.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

2
examples/PS4USB/PS4USB.ino
View file

@ -6,7 +6,7 @@
#include <PS4USB.h> #include <PS4USB.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

2
examples/PSBuzz/PSBuzz.ino
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@ -6,7 +6,7 @@
#include <PSBuzz.h> #include <PSBuzz.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/USB_desc/USB_desc.ino
View file

@ -1,7 +1,8 @@
#include <usbhub.h> #include <usbhub.h>
#include "pgmstrings.h" #include "pgmstrings.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Xbox/XBOXOLD/XBOXOLD.ino
View file

@ -6,7 +6,8 @@
#include <XBOXOLD.h> #include <XBOXOLD.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Xbox/XBOXRECV/XBOXRECV.ino
View file

@ -6,7 +6,8 @@
*/ */
#include <XBOXRECV.h> #include <XBOXRECV.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/Xbox/XBOXUSB/XBOXUSB.ino
View file

@ -5,7 +5,8 @@
*/ */
#include <XBOXUSB.h> #include <XBOXUSB.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

2
examples/acm/acm_terminal/acm_terminal.ino
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@ -3,7 +3,7 @@
#include "pgmstrings.h" #include "pgmstrings.h"
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

1
examples/adk/adk_barcode/adk_barcode.ino
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@ -4,6 +4,7 @@
#include <adk.h> #include <adk.h>
#include <hidboot.h> #include <hidboot.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

1
examples/adk/demokit_20/demokit_20.ino
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@ -1,5 +1,6 @@
#include <adk.h> #include <adk.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

1
examples/adk/term_test/term_test.ino
View file

@ -1,5 +1,6 @@
#include <adk.h> #include <adk.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

1
examples/adk/term_time/term_time.ino
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@ -1,5 +1,6 @@
#include <adk.h> #include <adk.h>
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

3
examples/board_qc/board_qc.ino
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@ -4,7 +4,8 @@
/* otherwise press any key after getting GPIO error to complete the test */ /* otherwise press any key after getting GPIO error to complete the test */
/**/ /**/
#include <usbhub.h> #include <usbhub.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <../../../../hardware/pic32/libraries/SPI/SPI.h> // Hack to use the SPI library #include <../../../../hardware/pic32/libraries/SPI/SPI.h> // Hack to use the SPI library

3
examples/ftdi/USBFTDILoopback/USBFTDILoopback.ino
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@ -2,7 +2,8 @@
#include <usbhub.h> #include <usbhub.h>
#include "pgmstrings.h" #include "pgmstrings.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/hub_demo/hub_demo.ino
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@ -1,6 +1,7 @@
#include <usbhub.h> #include <usbhub.h>
#include "pgmstrings.h" #include "pgmstrings.h"
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

1
examples/max_LCD/max_LCD.ino
View file

@ -4,6 +4,7 @@
// pinout: D[4-7] -> GPOUT[4-7], RS-> GPOUT[2], E ->GPOUT[3] // pinout: D[4-7] -> GPOUT[4-7], RS-> GPOUT[2], E ->GPOUT[3]
#include <max_LCD.h> #include <max_LCD.h>
// Satisfy IDE, which only needs to see the include statment in the ino. // Satisfy IDE, which only needs to see the include statment in the ino.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>

3
examples/pl2303/pl2303_gprs_terminal/pl2303_gprs_terminal.ino
View file

@ -4,7 +4,8 @@
/* CDC support */ /* CDC support */
#include <cdcacm.h> #include <cdcacm.h>
#include <cdcprolific.h> #include <cdcprolific.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/pl2303/pl2303_gps/pl2303_gps.ino
View file

@ -5,7 +5,8 @@
/* CDC support */ /* CDC support */
#include <cdcacm.h> #include <cdcacm.h>
#include <cdcprolific.h> #include <cdcprolific.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/pl2303/pl2303_tinygps/pl2303_tinygps.ino
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@ -11,7 +11,8 @@
#include <cdcprolific.h> #include <cdcprolific.h>
#include <TinyGPS.h> #include <TinyGPS.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

3
examples/pl2303/pl2303_xbee_terminal/pl2303_xbee_terminal.ino
View file

@ -5,7 +5,8 @@
/* CDC support */ /* CDC support */
#include <cdcacm.h> #include <cdcacm.h>
#include <cdcprolific.h> #include <cdcprolific.h>
// Satisfy IDE, which only needs to see the include statment in the ino.
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude #ifdef dobogusinclude
#include <spi4teensy3.h> #include <spi4teensy3.h>
#include <SPI.h> #include <SPI.h>

2
examples/testusbhostFAT/Arduino_Makefile_master

@ -1 +1 @@
Subproject commit 7e76562151522380e1dc65501991a408d6f2ae94 Subproject commit 94c560c854c7a1dfc35e9de9db05de1b202de6c6

5
settings.h
View file

@ -129,10 +129,11 @@ e-mail : support@circuitsathome.com
#define USING_SPI4TEENSY3 0 #define USING_SPI4TEENSY3 0
#endif #endif
#if (defined(ARDUINO_SAM_DUE) && defined(__SAM3X8E__)) || defined(RBL_NRF51822) #if ((defined(ARDUINO_SAM_DUE) && defined(__SAM3X8E__)) || defined(RBL_NRF51822) || ARDUINO >= 10600) && !USING_SPI4TEENSY3
#include <SPI.h> // Use the Arduino SPI library for the Arduino Due and RedBearLab nRF51822 #include <SPI.h> // Use the Arduino SPI library for the Arduino Due, RedBearLab nRF51822 or if the SPI library with transaction is available
#endif #endif
#if defined(__PIC32MX__) || defined(__PIC32MZ__) #if defined(__PIC32MX__) || defined(__PIC32MZ__)
#include <../../../../hardware/pic32/libraries/SPI/SPI.h> // Hack to use the SPI library #include <../../../../hardware/pic32/libraries/SPI/SPI.h> // Hack to use the SPI library
#endif #endif
#endif /* SETTINGS_H */ #endif /* SETTINGS_H */

77
usbhost.h
View file

@ -27,10 +27,15 @@ e-mail : support@circuitsathome.com
#include <sys/types.h> #include <sys/types.h>
#endif #endif
/* SPI initialization */ /* SPI initialization */
template< typename SPI_CLK, typename SPI_MOSI, typename SPI_MISO, typename SPI_SS > class SPi { template< typename SPI_CLK, typename SPI_MOSI, typename SPI_MISO, typename SPI_SS > class SPi {
public: public:
#if USING_SPI4TEENSY3 #if SPI_HAS_TRANSACTION
static void init() {
SPI.begin(); // The SPI library with transaction will take care of setting up the pins - settings is set in beginTransaction()
}
#elif USING_SPI4TEENSY3
static void init() { static void init() {
// spi4teensy3 inits everything for us, except /SS // spi4teensy3 inits everything for us, except /SS
// CLK, MOSI and MISO are hard coded for now. // CLK, MOSI and MISO are hard coded for now.
@ -144,8 +149,17 @@ MAX3421e< SPI_SS, INTR >::MAX3421e() {
template< typename SPI_SS, typename INTR > template< typename SPI_SS, typename INTR >
void MAX3421e< SPI_SS, INTR >::regWr(uint8_t reg, uint8_t data) { void MAX3421e< SPI_SS, INTR >::regWr(uint8_t reg, uint8_t data) {
XMEM_ACQUIRE_SPI(); XMEM_ACQUIRE_SPI();
#if SPI_HAS_TRANSACTION
SPI.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); // The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0
#endif
SPI_SS::Clear(); SPI_SS::Clear();
#if USING_SPI4TEENSY3
#if SPI_HAS_TRANSACTION
uint8_t c[2];
c[0] = reg | 0x02;
c[1] = data;
SPI.transfer(c, 2);
#elif USING_SPI4TEENSY3
uint8_t c[2]; uint8_t c[2];
c[0] = reg | 0x02; c[0] = reg | 0x02;
c[1] = data; c[1] = data;
@ -159,7 +173,11 @@ void MAX3421e< SPI_SS, INTR >::regWr(uint8_t reg, uint8_t data) {
SPDR = data; SPDR = data;
while(!(SPSR & (1 << SPIF))); while(!(SPSR & (1 << SPIF)));
#endif #endif
SPI_SS::Set(); SPI_SS::Set();
#if SPI_HAS_TRANSACTION
SPI.endTransaction();
#endif
XMEM_RELEASE_SPI(); XMEM_RELEASE_SPI();
return; return;
}; };
@ -169,8 +187,16 @@ void MAX3421e< SPI_SS, INTR >::regWr(uint8_t reg, uint8_t data) {
template< typename SPI_SS, typename INTR > template< typename SPI_SS, typename INTR >
uint8_t* MAX3421e< SPI_SS, INTR >::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t* data_p) { uint8_t* MAX3421e< SPI_SS, INTR >::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t* data_p) {
XMEM_ACQUIRE_SPI(); XMEM_ACQUIRE_SPI();
#if SPI_HAS_TRANSACTION
SPI.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); // The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0
#endif
SPI_SS::Clear(); SPI_SS::Clear();
#if USING_SPI4TEENSY3
#if SPI_HAS_TRANSACTION
SPI.transfer(reg | 0x02);
SPI.transfer(data_p, nbytes);
data_p += nbytes;
#elif USING_SPI4TEENSY3
spi4teensy3::send(reg | 0x02); spi4teensy3::send(reg | 0x02);
spi4teensy3::send(data_p, nbytes); spi4teensy3::send(data_p, nbytes);
data_p += nbytes; data_p += nbytes;
@ -191,7 +217,11 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t*
} }
while(!(SPSR & (1 << SPIF))); while(!(SPSR & (1 << SPIF)));
#endif #endif
SPI_SS::Set(); SPI_SS::Set();
#if SPI_HAS_TRANSACTION
SPI.endTransaction();
#endif
XMEM_RELEASE_SPI(); XMEM_RELEASE_SPI();
return ( data_p); return ( data_p);
} }
@ -211,23 +241,31 @@ void MAX3421e< SPI_SS, INTR >::gpioWr(uint8_t data) {
template< typename SPI_SS, typename INTR > template< typename SPI_SS, typename INTR >
uint8_t MAX3421e< SPI_SS, INTR >::regRd(uint8_t reg) { uint8_t MAX3421e< SPI_SS, INTR >::regRd(uint8_t reg) {
XMEM_ACQUIRE_SPI(); XMEM_ACQUIRE_SPI();
#if SPI_HAS_TRANSACTION
SPI.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); // The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0
#endif
SPI_SS::Clear(); SPI_SS::Clear();
#if USING_SPI4TEENSY3
#if !defined(SPDR) || SPI_HAS_TRANSACTION
SPI.transfer(reg);
uint8_t rv = SPI.transfer(0); // Send empty byte
SPI_SS::Set();
#elif USING_SPI4TEENSY3
spi4teensy3::send(reg); spi4teensy3::send(reg);
uint8_t rv = spi4teensy3::receive(); uint8_t rv = spi4teensy3::receive();
SPI_SS::Set(); SPI_SS::Set();
#elif !defined(SPDR)
SPI.transfer(reg);
uint8_t rv = SPI.transfer(0);
SPI_SS::Set();
#else #else
SPDR = reg; SPDR = reg;
while(!(SPSR & (1 << SPIF))); while(!(SPSR & (1 << SPIF)));
SPDR = 0; //send empty byte SPDR = 0; // Send empty byte
while(!(SPSR & (1 << SPIF))); while(!(SPSR & (1 << SPIF)));
SPI_SS::Set(); SPI_SS::Set();
uint8_t rv = SPDR; uint8_t rv = SPDR;
#endif #endif
#if SPI_HAS_TRANSACTION
SPI.endTransaction();
#endif
XMEM_RELEASE_SPI(); XMEM_RELEASE_SPI();
return (rv); return (rv);
} }
@ -237,8 +275,17 @@ uint8_t MAX3421e< SPI_SS, INTR >::regRd(uint8_t reg) {
template< typename SPI_SS, typename INTR > template< typename SPI_SS, typename INTR >
uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t* data_p) { uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t* data_p) {
XMEM_ACQUIRE_SPI(); XMEM_ACQUIRE_SPI();
#if SPI_HAS_TRANSACTION
SPI.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); // The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0
#endif
SPI_SS::Clear(); SPI_SS::Clear();
#if USING_SPI4TEENSY3
#if SPI_HAS_TRANSACTION
SPI.transfer(reg);
memset(data_p, 0, nbytes); // Make sure we send out empty bytes
SPI.transfer(data_p, nbytes);
data_p += nbytes;
#elif USING_SPI4TEENSY3
spi4teensy3::send(reg); spi4teensy3::send(reg);
spi4teensy3::receive(data_p, nbytes); spi4teensy3::receive(data_p, nbytes);
data_p += nbytes; data_p += nbytes;
@ -252,7 +299,7 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t*
SPDR = reg; SPDR = reg;
while(!(SPSR & (1 << SPIF))); //wait while(!(SPSR & (1 << SPIF))); //wait
while(nbytes) { while(nbytes) {
SPDR = 0; //send empty byte SPDR = 0; // Send empty byte
nbytes--; nbytes--;
while(!(SPSR & (1 << SPIF))); while(!(SPSR & (1 << SPIF)));
#if 0 #if 0
@ -268,7 +315,11 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t*
} }
#endif #endif
#endif #endif
SPI_SS::Set(); SPI_SS::Set();
#if SPI_HAS_TRANSACTION
SPI.endTransaction();
#endif
XMEM_RELEASE_SPI(); XMEM_RELEASE_SPI();
return ( data_p); return ( data_p);
} }
@ -454,7 +505,7 @@ uint8_t MAX3421e< SPI_SS, INTR >::IntHandler() {
//template< typename SPI_SS, typename INTR > //template< typename SPI_SS, typename INTR >
//uint8_t MAX3421e< SPI_SS, INTR >::GpxHandler() //uint8_t MAX3421e< SPI_SS, INTR >::GpxHandler()
//{ //{
// uint8_t GPINIRQ = regRd( rGPINIRQ ); //read GPIN IRQ register // uint8_t GPINIRQ = regRd( rGPINIRQ ); //read GPIN IRQ register
//// if( GPINIRQ & bmGPINIRQ7 ) { //vbus overload //// if( GPINIRQ & bmGPINIRQ7 ) { //vbus overload
//// vbusPwr( OFF ); //attempt powercycle //// vbusPwr( OFF ); //attempt powercycle
//// delay( 1000 ); //// delay( 1000 );
@ -464,4 +515,4 @@ uint8_t MAX3421e< SPI_SS, INTR >::IntHandler() {
// return( GPINIRQ ); // return( GPINIRQ );
//} //}
#endif //_USBHOST_H_ #endif // _USBHOST_H_