136 lines
2.6 KiB
C
136 lines
2.6 KiB
C
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#include <stdint.h>
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#include "usb_keycodes.h"
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#include "usb_keyboard.h"
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#include "usb_mouse.h"
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#include "debug.h"
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#include "host.h"
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#ifdef USB_NKRO_ENABLE
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bool keyboard_nkro = false;
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#endif
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static report_keyboard_t report0;
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static report_keyboard_t report1;
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report_keyboard_t *keyboard_report = &report0;
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report_keyboard_t *keyboard_report_prev = &report1;
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static inline void add_key_byte(uint8_t code);
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static inline void add_key_bit(uint8_t code);
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uint8_t host_keyboard_leds(void)
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{
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return usb_keyboard_leds;
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}
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/* keyboard report operations */
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void host_add_key(uint8_t key)
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{
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#ifdef USB_NKRO_ENABLE
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if (keyboard_nkro) {
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add_key_bit(key);
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return;
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}
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#endif
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add_key_byte(key);
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}
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void host_add_mod_bit(uint8_t mod)
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{
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keyboard_report->mods |= mod;
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}
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void host_set_mods(uint8_t mods)
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{
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keyboard_report->mods = mods;
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}
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void host_add_code(uint8_t code)
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{
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if (IS_MOD(code)) {
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host_add_mod_bit(MOD_BIT(code));
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} else {
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host_add_key(code);
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}
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}
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void host_swap_keyboard_report(void)
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{
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report_keyboard_t *tmp = keyboard_report_prev;
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keyboard_report_prev = keyboard_report;
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keyboard_report = tmp;
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}
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void host_clear_keyboard_report(void)
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{
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keyboard_report->mods = 0;
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for (int8_t i = 0; i < REPORT_KEYS; i++) {
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keyboard_report->keys[i] = 0;
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}
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}
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uint8_t host_has_anykey(void)
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{
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uint8_t cnt = 0;
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for (int i = 0; i < REPORT_KEYS; i++) {
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if (keyboard_report->keys[i])
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cnt++;
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}
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return cnt;
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}
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uint8_t *host_get_keys(void)
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{
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return keyboard_report->keys;
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}
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uint8_t host_get_mods(void)
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{
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return keyboard_report->mods;
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}
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void host_send_keyboard_report(void)
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{
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usb_keyboard_send_report(keyboard_report);
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}
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void host_mouse_send(report_mouse_t *report)
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{
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usb_mouse_send(report->x, report->y, report->v, report->h, report->buttons);
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}
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static inline void add_key_byte(uint8_t code)
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{
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// TODO: fix ugly code
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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 (keyboard_report_prev->keys[i] == code) {
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keyboard_report->keys[i] = code;
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break;
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}
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if (empty == -1 &&
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keyboard_report_prev->keys[i] == 0 &&
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keyboard_report->keys[i] == 0) {
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empty = i;
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}
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}
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if (i == REPORT_KEYS) {
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if (empty != -1) {
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keyboard_report->keys[empty] = code;
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}
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}
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}
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static inline void add_key_bit(uint8_t code)
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{
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if ((code>>3) < REPORT_KEYS) {
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keyboard_report->keys[code>>3] |= 1<<(code&7);
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} else {
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debug("add_key_bit: can't add: "); phex(code); debug("\n");
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}
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}
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