157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
#include "usbdrv.h"
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#include "usb_keycodes.h"
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#include "keyboard.h"
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#include "print.h"
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static report_t report0;
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static report_t report1;
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static report_t *report = &report0;
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static report_t *report_prev = &report1;
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void report_send(void)
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{
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if (usbInterruptIsReady()){
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usbSetInterrupt((void *)report, sizeof(*report));
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}
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}
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report_t *report_get(void)
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{
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return report;
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}
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uint8_t report_mods(void)
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{
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return report->mods;
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}
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uint8_t *report_keys(void)
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{
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return report->keys;
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}
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bool report_has_key(void)
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{
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for (int i = 0; i < REPORT_KEYS; i++) {
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if (report->keys[i])
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return true;
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}
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return false;
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}
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void report_add_mod(uint8_t mod)
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{
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report->mods |= mod;
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}
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void report_add_key(uint8_t code)
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{
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int8_t i = 0;
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int8_t empty = -1;
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for (; i < REPORT_KEYS; i++) {
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if (report_prev->keys[i] == code) {
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report->keys[i] = code;
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break;
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}
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if (empty == -1 && report_prev->keys[i] == KB_NO && report->keys[i] == KB_NO) {
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empty = i;
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}
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}
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if (i == REPORT_KEYS && empty != -1) {
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report->keys[empty] = code;
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}
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}
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void report_add_code(uint8_t code)
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{
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if (IS_MOD(code)) {
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report_add_mod(code);
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} else {
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report_add_key(code);
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}
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}
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void report_swap(void)
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{
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report_t *tmp = report_prev;
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report_prev = report;
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report = tmp;
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}
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void report_clear(void)
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{
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report->mods = 0;
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for (int8_t i = 0; i < REPORT_KEYS; i++) {
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report->keys[i] = 0;
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}
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}
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static uchar idleRate; /* repeat rate for keyboards, never used for mice */
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usbMsgLen_t usbFunctionSetup(uchar data[8])
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{
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usbRequest_t *rq = (void *)data;
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print("Setup: ");
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if((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_CLASS){ /* class request type */
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print("CLASS: ");
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phex(rq->bRequest);
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if(rq->bRequest == USBRQ_HID_GET_REPORT){
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print("GET_REPORT");
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/* we only have one report type, so don't look at wValue */
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usbMsgPtr = (void *)report;
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return sizeof(*report);
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}else if(rq->bRequest == USBRQ_HID_GET_IDLE){
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print("GET_IDLE: ");
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phex(idleRate);
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usbMsgPtr = &idleRate;
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return 1;
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}else if(rq->bRequest == USBRQ_HID_SET_IDLE){
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idleRate = rq->wValue.bytes[1];
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print("SET_IDLE: ");
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phex(idleRate);
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}
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print("\n");
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}else{
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print("VENDOR\n");
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/* no vendor specific requests implemented */
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}
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return 0; /* default for not implemented requests: return no data back to host */
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}
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PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH] = {
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0x05, 0x01, // Usage Page (Generic Desktop),
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0x09, 0x06, // Usage (Keyboard),
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0xA1, 0x01, // Collection (Application),
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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
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0x95, 0x01, // Report Count (1),
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0x75, 0x08, // Report Size (8),
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0x81, 0x03, // Input (Constant), ;Reserved byte
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
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0x95, 0x01, // Report Count (1),
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0x75, 0x03, // Report Size (3),
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0x91, 0x03, // Output (Constant), ;LED report padding
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0x95, 0x06, // Report Count (6),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0xFF, // Logical Maximum(255),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, 0xFF, // Usage Maximum (255),
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0x81, 0x00, // Input (Data, Array),
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0xc0 // End Collection
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};
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