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https://github.com/mofeng-git/One-KVM.git
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pico hid: basic ps/2 mouse support (#147)
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No0ne
@@ -24,281 +24,38 @@
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#include "ph_types.h"
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#include "ph_outputs.h"
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#include "ph_ps2_phy.h"
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#include "hardware/gpio.h"
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u8 ph_g_ps2_kbd_leds = 0;
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bool ph_g_ps2_kbd_online = 0;
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bool ph_g_ps2_mouse_online = 0;
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ph_ps2_phy ph_ps2_kbd;
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ph_ps2_phy ph_ps2_mouse;
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bool ph_ps2_kbd_scanning;
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u32 ph_ps2_kbd_repeat_us;
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u16 ph_ps2_kbd_delay_ms;
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u8 ph_ps2_kbd_repeat = 0;
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bool ph_ps2_kbd_repeatmod = false;
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alarm_id_t ph_ps2_kbd_repeater;
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s8 ph_ps2_is_ctrl = 0;
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u8 const ph_ps2_led2ps2[] = { 0, 4, 1, 5, 2, 6, 3, 7 };
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u8 const ph_ps2_mod2ps2[] = { 0x14, 0x12, 0x11, 0x1f, 0x14, 0x59, 0x11, 0x27 };
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u8 const ph_ps2_hid2ps2[] = {
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0x00, 0x00, 0xfc, 0x00, 0x1c, 0x32, 0x21, 0x23, 0x24, 0x2b, 0x34, 0x33, 0x43, 0x3b, 0x42, 0x4b,
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0x3a, 0x31, 0x44, 0x4d, 0x15, 0x2d, 0x1b, 0x2c, 0x3c, 0x2a, 0x1d, 0x22, 0x35, 0x1a, 0x16, 0x1e,
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0x26, 0x25, 0x2e, 0x36, 0x3d, 0x3e, 0x46, 0x45, 0x5a, 0x76, 0x66, 0x0d, 0x29, 0x4e, 0x55, 0x54,
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0x5b, 0x5d, 0x5d, 0x4c, 0x52, 0x0e, 0x41, 0x49, 0x4a, 0x58, 0x05, 0x06, 0x04, 0x0c, 0x03, 0x0b,
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0x83, 0x0a, 0x01, 0x09, 0x78, 0x07, 0x7c, 0x7e, 0x7e, 0x70, 0x6c, 0x7d, 0x71, 0x69, 0x7a, 0x74,
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0x6b, 0x72, 0x75, 0x77, 0x4a, 0x7c, 0x7b, 0x79, 0x5a, 0x69, 0x72, 0x7a, 0x6b, 0x73, 0x74, 0x6c,
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0x75, 0x7d, 0x70, 0x71, 0x61, 0x2f, 0x37, 0x0f, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, 0x40,
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0x48, 0x50, 0x57, 0x5f
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};
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u8 const ph_ps2_maparray = sizeof(ph_ps2_hid2ps2);
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u32 const ph_ps2_repeats[] = {
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33333, 37453, 41667, 45872, 48309, 54054, 58480, 62500,
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66667, 75188, 83333, 91743, 100000, 108696, 116279, 125000,
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133333, 149254, 166667, 181818, 200000, 217391, 232558, 250000,
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270270, 303030, 333333, 370370, 400000, 434783, 476190, 500000
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};
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u16 const ph_ps2_delays[] = { 250, 500, 750, 1000 };
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void ph_ps2_kbd_send(u8 byte) {
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queue_try_add(&ph_ps2_kbd.qbytes, &byte);
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}
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void ph_ps2_kbd_maybe_send_e0(u8 byte) {
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if (byte == 0x46 ||
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(byte >= 0x49 && byte <= 0x52) ||
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byte == 0x54 || byte == 0x58 ||
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byte == 0x65 || byte == 0x66 ||
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byte >= 0x81) {
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ph_ps2_kbd_send(0xe0);
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}
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}
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int64_t ph_ps2_repeat_callback() {
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if (ph_ps2_kbd_repeat) {
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if (ph_ps2_kbd_repeatmod) {
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if (ph_ps2_kbd_repeat > 3 && ph_ps2_kbd_repeat != 6) ph_ps2_kbd_send(0xe0);
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ph_ps2_kbd_send(ph_ps2_mod2ps2[ph_ps2_kbd_repeat - 1]);
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} else {
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ph_ps2_kbd_maybe_send_e0(ph_ps2_kbd_repeat);
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ph_ps2_kbd_send(ph_ps2_hid2ps2[ph_ps2_kbd_repeat]);
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}
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return ph_ps2_kbd_repeat_us;
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}
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ph_ps2_kbd_repeater = 0;
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return 0;
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}
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int64_t ph_ps2_blink_callback() {
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ph_g_ps2_kbd_leds = 0;
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ph_ps2_kbd_send(0xaa);
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return 0;
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}
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void ph_ps2_kbd_reset() {
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ph_ps2_kbd_scanning = true;
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ph_ps2_kbd_repeat_us = 91743;
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ph_ps2_kbd_delay_ms = 500;
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ph_ps2_kbd_repeat = 0;
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ph_g_ps2_kbd_leds = 7;
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add_alarm_in_ms(500, ph_ps2_blink_callback, NULL, false);
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}
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void ph_ps2_kbd_receive(u8 byte, u8 prev_byte) {
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switch (prev_byte) {
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case 0xed: // CMD: Set LEDs
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if (byte > 7) byte = 0;
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ph_g_ps2_kbd_leds = ph_ps2_led2ps2[byte];
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break;
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case 0xf3: // CMD: Set typematic rate and delay
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ph_ps2_kbd_repeat_us = ph_ps2_repeats[byte & 0x1f];
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ph_ps2_kbd_delay_ms = ph_ps2_delays[(byte & 0x60) >> 5];
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break;
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default:
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switch (byte) {
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case 0xff: // CMD: Reset
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ph_ps2_kbd_reset();
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break;
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case 0xee: // CMD: Echo
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ph_ps2_kbd_send(0xee);
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return;
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case 0xf2: // CMD: Identify keyboard
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ph_ps2_kbd_send(0xfa);
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ph_ps2_kbd_send(0xab);
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ph_ps2_kbd_send(0x83);
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return;
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case 0xf4: // CMD: Enable scanning
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ph_ps2_kbd_scanning = true;
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break;
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case 0xf5: // CMD: Disable scanning, restore default parameters
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case 0xf6: // CMD: Set default parameters
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ph_ps2_kbd_scanning = byte == 0xf6;
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ph_ps2_kbd_repeat_us = 91743;
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ph_ps2_kbd_delay_ms = 500;
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ph_ps2_kbd_repeat = 0;
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ph_g_ps2_kbd_leds = 0;
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break;
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}
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break;
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}
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ph_ps2_kbd_send(0xfa);
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}
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void ph_ps2_mouse_receive(u8 byte) {
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switch (byte) {
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}
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}
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void ph_ps2_init(void) {
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if (PH_O_IS_KBD_PS2 || PH_O_IS_MOUSE_PS2) {
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gpio_init(13);
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gpio_init(13); // GPIO13=LV pull-up voltage
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gpio_set_dir(13, GPIO_OUT);
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gpio_put(13, 1); // GPIO13=LV pull-up voltage
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gpio_put(13, 1);
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}
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if (PH_O_IS_KBD_PS2) {
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ph_ps2_phy_init(&ph_ps2_kbd, pio0, 11, &ph_ps2_kbd_receive); // keyboard: GPIO11=data, GPIO12=clock
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ph_ps2_kbd_reset();
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ph_ps2_kbd_init(11); // keyboard: GPIO11=data, GPIO12=clock
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}
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if (PH_O_IS_MOUSE_PS2) {
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//ph_ps2_phy_init(&ph_ps2_mouse, pio1, 14, &ph_ps2_mouse_receive); // mouse: GPIO14=data, GPIO15=clock
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ph_ps2_mouse_init(14); // mouse: GPIO14=data, GPIO15=clock
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}
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}
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void ph_ps2_task(void) {
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if (PH_O_IS_KBD_PS2) {
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ph_ps2_phy_task(&ph_ps2_kbd);
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ph_g_ps2_kbd_online = ph_ps2_kbd_scanning && ph_ps2_kbd.idle;
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ph_ps2_kbd_task();
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}
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if (PH_O_IS_MOUSE_PS2) {
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//ph_ps2_phy_task(&ph_ps2_mouse);
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ph_ps2_mouse_task();
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}
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}
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void ph_ps2_kbd_send_key(u8 key, bool state) {
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if (PH_O_IS_KBD_PS2 && ph_ps2_kbd_scanning) {
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if (key >= 0xe0 && key <= 0xe7) {
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if (key == 0xe0 || key == 0xe4) {
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if (state) {
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ph_ps2_is_ctrl++;
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} else {
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ph_ps2_is_ctrl--;
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}
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if (ph_ps2_is_ctrl < 0 || ph_ps2_is_ctrl > 2) {
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ph_ps2_is_ctrl = 0;
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}
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}
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key -= 0xe0;
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if (key > 2 && key != 5) {
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ph_ps2_kbd_send(0xe0);
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}
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if (state) {
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ph_ps2_kbd_repeat = key + 1;
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ph_ps2_kbd_repeatmod = true;
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if (ph_ps2_kbd_repeater) {
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cancel_alarm(ph_ps2_kbd_repeater);
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}
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ph_ps2_kbd_repeater = add_alarm_in_ms(ph_ps2_kbd_delay_ms, ph_ps2_repeat_callback, NULL, false);
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} else {
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if (ph_ps2_kbd_repeat == key + 1 && ph_ps2_kbd_repeatmod) {
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ph_ps2_kbd_repeat = 0;
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}
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ph_ps2_kbd_send(0xf0);
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}
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ph_ps2_kbd_send(ph_ps2_mod2ps2[key]);
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} else if (key < ph_ps2_maparray) {
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if (key == 0x48) {
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ph_ps2_kbd_repeat = 0;
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if (state) {
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if (ph_ps2_is_ctrl) {
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ph_ps2_kbd_send(0xe0); ph_ps2_kbd_send(0x7e); ph_ps2_kbd_send(0xe0); ph_ps2_kbd_send(0xf0); ph_ps2_kbd_send(0x7e);
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} else {
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ph_ps2_kbd_send(0xe1); ph_ps2_kbd_send(0x14); ph_ps2_kbd_send(0x77); ph_ps2_kbd_send(0xe1);
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ph_ps2_kbd_send(0xf0); ph_ps2_kbd_send(0x14); ph_ps2_kbd_send(0xf0); ph_ps2_kbd_send(0x77);
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}
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}
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} else {
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ph_ps2_kbd_maybe_send_e0(key);
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if (state) {
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ph_ps2_kbd_repeat = key;
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ph_ps2_kbd_repeatmod = false;
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if (ph_ps2_kbd_repeater) {
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cancel_alarm(ph_ps2_kbd_repeater);
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}
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ph_ps2_kbd_repeater = add_alarm_in_ms(ph_ps2_kbd_delay_ms, ph_ps2_repeat_callback, NULL, false);
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} else {
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if (ph_ps2_kbd_repeat == key && !ph_ps2_kbd_repeatmod) {
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ph_ps2_kbd_repeat = 0;
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}
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ph_ps2_kbd_send(0xf0);
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}
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ph_ps2_kbd_send(ph_ps2_hid2ps2[key]);
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}
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}
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}
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}
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void ph_ps2_mouse_send_button(u8 button, bool state) {
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// TODO: PS2: Send mouse button
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// @button - USB button code
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// @state - true if pressed, false if released
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// The function should take care not to send duplicate events (if needed for PS/2)
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// If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
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(void)button; // Remove this
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(void)state; // Remove this
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}
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void ph_ps2_mouse_send_rel(s8 x, s8 y) {
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// TODO: PS2: Send relative move event
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// If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
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(void)x; // Remove this
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(void)y; // Remove this
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}
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void ph_ps2_mouse_send_wheel(s8 h, s8 v) {
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(void)h;
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// TODO: PS2: Send wheel. As I understand, PS/2 has no horizontal scrolling, so @h just can be ignored.
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// @v - vertical scrolling like on USB
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// If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
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(void)v; // Remove this
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}
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void ph_ps2_send_clear(void) {
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// TODO: PS2: Release all pressed buttons and keys.
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// If PH_O_IS_KBD_PS2, release all PS/2 buttons
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