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Code Issues Releases Wiki Activity

Add Task function

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This commit is contained in:
PaulStoffregen 2017-03-06 04:15:23 -08:00
parent ea75a1c673
commit a805d7552e
3 changed files with 18 additions and 3 deletions
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10
USBHost_t36.h
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@ -32,8 +32,8 @@
/* Data Types */ /* Data Types */
/************************************************/ /************************************************/
These 6 types are the key to understanding how this USB Host // These 6 types are the key to understanding how this USB Host
library really works. // library really works.
// USBHost is a static class controlling the hardware. // USBHost is a static class controlling the hardware.
// All common USB functionality is implemented here. // All common USB functionality is implemented here.
@ -175,6 +175,7 @@ struct Transfer_struct {
class USBHost { class USBHost {
public: public:
static void begin(); static void begin();
static void Task();
protected: protected:
static Pipe_t * new_Pipe(Device_t *dev, uint32_t type, uint32_t endpoint, static Pipe_t * new_Pipe(Device_t *dev, uint32_t type, uint32_t endpoint,
uint32_t direction, uint32_t maxlen, uint32_t interval=0); uint32_t direction, uint32_t maxlen, uint32_t interval=0);
@ -318,6 +319,11 @@ protected:
// a timer event, this function is called. // a timer event, this function is called.
virtual void timer_event(USBDriverTimer *whichTimer) { } virtual void timer_event(USBDriverTimer *whichTimer) { }
// When the user calls USBHost::Task, this Task function for all
// active drivers is called, so they may update state and/or call
// any attached user callback functions.
virtual void Task() { }
// When a device disconnects from the USB, this function is called. // When a device disconnects from the USB, this function is called.
// The driver must free all resources it allocated and update any // The driver must free all resources it allocated and update any
// internal state necessary to deal with the possibility of user // internal state necessary to deal with the possibility of user

8
enumeration.cpp
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@ -40,6 +40,14 @@ static void pipe_set_maxlen(Pipe_t *pipe, uint32_t maxlen);
static void pipe_set_addr(Pipe_t *pipe, uint32_t addr); static void pipe_set_addr(Pipe_t *pipe, uint32_t addr);
void USBHost::Task()
{
for (Device_t *dev = devlist; dev; dev = dev->next) {
for (USBDriver *driver = dev->drivers; driver; driver = driver->next) {
(driver->Task)();
}
}
}
void USBHost::driver_ready_for_device(USBDriver *driver) void USBHost::driver_ready_for_device(USBDriver *driver)
{ {

3
k66_usbhost.ino
View File

@ -21,7 +21,7 @@
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/ */
#include "USBHost.h" #include "USBHost_t36.h"
USBHost myusb; USBHost myusb;
USBHub hub1; USBHub hub1;
@ -60,6 +60,7 @@ void setup()
void loop() void loop()
{ {
myusb.Task();
} }