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Add demo HID code that simulates an interrupt roughly every 10 seconds.

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Michael Banther
2019-09-25 16:13:46 +01:00
parent d491eb2da9
commit 3c86da7c09
1 changed files with 32 additions and 3 deletions
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35
lib_xua/src/core/user/user_hid.xc
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@@ -4,9 +4,38 @@
#include <xs1.h>
#include "user_hid.h"
#define HID_INTERRUPT_COUNT 1000000000
#define HID_REPORT_DATA 0x01
static unsigned char initialised = 0;
static unsigned int curr_time = 0;
static unsigned int last_time = 0;
static unsigned int tick_count = 0;
void UserReadHIDData( unsigned char hidData[ HID_DATA_SIZE ])
{
for( unsigned idx = 0; idx < HID_DATA_SIZE; ++idx ) {
hidData[ idx ] = 1;
timer tmr;
if( !initialised ) {
tmr :> last_time;
initialised = 1;
} else {
tmr :> curr_time;
tick_count += ( last_time < curr_time ) ? curr_time - last_time : curr_time + ( UINT_MAX - last_time );
if( HID_INTERRUPT_COUNT <= tick_count ) {
for( unsigned idx = 0; idx < HID_DATA_SIZE; ++idx ) {
hidData[ idx ] = HID_REPORT_DATA;
}
tick_count = 0;
} else {
for( unsigned idx = 0; idx < HID_DATA_SIZE; ++idx ) {
hidData[ idx ] = 0x00;
}
}
last_time = curr_time;
}
}
}