Loop based vusb_transfer_keyboard
parent
8a27703ef4
commit
095b28e006
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@ -27,6 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "host_driver.h"
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#include "vusb.h"
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#include "bootloader.h"
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#include <util/delay.h>
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static uint8_t vusb_keyboard_leds = 0;
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@ -46,22 +47,26 @@ typedef struct {
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static keyboard_report_t keyboard_report; // sent to PC
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#define VUSB_TRANSFER_KEYBOARD_MAX_TRIES 10
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/* transfer keyboard report from buffer */
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void vusb_transfer_keyboard(void)
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{
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if (usbInterruptIsReady()) {
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if (kbuf_head != kbuf_tail) {
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usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
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kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
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if (debug_keyboard) {
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print("V-USB: kbuf["); pdec(kbuf_tail); print("->"); pdec(kbuf_head); print("](");
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phex((kbuf_head < kbuf_tail) ? (KBUF_SIZE - kbuf_tail + kbuf_head) : (kbuf_head - kbuf_tail));
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print(")\n");
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for (int i = 0; i < VUSB_TRANSFER_KEYBOARD_MAX_TRIES; i++) {
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if (usbInterruptIsReady()) {
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if (kbuf_head != kbuf_tail) {
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usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
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kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
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if (debug_keyboard) {
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print("V-USB: kbuf["); pdec(kbuf_tail); print("->"); pdec(kbuf_head); print("](");
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phex((kbuf_head < kbuf_tail) ? (KBUF_SIZE - kbuf_tail + kbuf_head) : (kbuf_head - kbuf_tail));
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print(")\n");
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}
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}
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break;
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}
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} else {
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usbPoll();
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vusb_transfer_keyboard();
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usbPoll();
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_delay_ms(1);
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}
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}
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