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pico hid: ps/2 keyboard support finished (#146)

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This commit is contained in:
No0ne
2023-08-27 04:47:58 +02:00
committed by GitHub
parent d4e5722b24
commit 546a8cef8b
3 changed files with 136 additions and 35 deletions
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135
hid/pico/src/ph_ps2.c
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@@ -30,9 +30,18 @@
u8 ph_g_ps2_kbd_leds = 0;
bool ph_g_ps2_kbd_online = 0;
bool ph_g_ps2_mouse_online = 0;
ph_ps2_phy ph_ps2_kbd;
ph_ps2_phy ph_ps2_mouse;
bool ph_ps2_kbd_scanning;
u32 ph_ps2_kbd_repeat_us;
u16 ph_ps2_kbd_delay_ms;
u8 ph_ps2_kbd_repeat = 0;
bool ph_ps2_kbd_repeatmod = false;
alarm_id_t ph_ps2_kbd_repeater;
s8 ph_ps2_is_ctrl = 0;
u8 const ph_ps2_led2ps2[] = { 0, 4, 1, 5, 2, 6, 3, 7 };
u8 const ph_ps2_mod2ps2[] = { 0x14, 0x12, 0x11, 0x1f, 0x14, 0x59, 0x11, 0x27 };
u8 const ph_ps2_hid2ps2[] = {
@@ -46,6 +55,13 @@ u8 const ph_ps2_hid2ps2[] = {
0x48, 0x50, 0x57, 0x5f
};
u8 const ph_ps2_maparray = sizeof(ph_ps2_hid2ps2);
u32 const ph_ps2_repeats[] = {
33333, 37453, 41667, 45872, 48309, 54054, 58480, 62500,
66667, 75188, 83333, 91743, 100000, 108696, 116279, 125000,
133333, 149254, 166667, 181818, 200000, 217391, 232558, 250000,
270270, 303030, 333333, 370370, 400000, 434783, 476190, 500000
};
u16 const ph_ps2_delays[] = { 250, 500, 750, 1000 };
void ph_ps2_kbd_send(u8 byte) {
queue_try_add(&ph_ps2_kbd.qbytes, &byte);
@@ -61,24 +77,59 @@ void ph_ps2_kbd_maybe_send_e0(u8 byte) {
}
}
int64_t ph_ps2_repeat_callback() {
if (ph_ps2_kbd_repeat) {
if (ph_ps2_kbd_repeatmod) {
if (ph_ps2_kbd_repeat > 3 && ph_ps2_kbd_repeat != 6) ph_ps2_kbd_send(0xe0);
ph_ps2_kbd_send(ph_ps2_mod2ps2[ph_ps2_kbd_repeat - 1]);
} else {
ph_ps2_kbd_maybe_send_e0(ph_ps2_kbd_repeat);
ph_ps2_kbd_send(ph_ps2_hid2ps2[ph_ps2_kbd_repeat]);
}
return ph_ps2_kbd_repeat_us;
}
ph_ps2_kbd_repeater = 0;
return 0;
}
int64_t ph_ps2_blink_callback() {
ph_g_ps2_kbd_leds = 0;
ph_ps2_kbd_send(0xaa);
return 0;
}
void ph_ps2_kbd_reset() {
ph_ps2_kbd_scanning = true;
ph_ps2_kbd_repeat_us = 91743;
ph_ps2_kbd_delay_ms = 500;
ph_ps2_kbd_repeat = 0;
ph_g_ps2_kbd_leds = 7;
add_alarm_in_ms(500, ph_ps2_blink_callback, NULL, false);
}
void ph_ps2_kbd_receive(u8 byte, u8 prev_byte) {
switch(prev_byte) {
switch (prev_byte) {
case 0xed: // CMD: Set LEDs
if (byte > 7) byte = 0;
ph_g_ps2_kbd_leds = ph_ps2_led2ps2[byte];
break;
case 0xf3: // CMD: Set typematic rate and delay
ph_ps2_kbd_repeat_us = ph_ps2_repeats[byte & 0x1f];
ph_ps2_kbd_delay_ms = ph_ps2_delays[(byte & 0x60) >> 5];
break;
default:
switch(byte) {
switch (byte) {
case 0xff: // CMD: Reset
ph_g_ps2_kbd_online = true;
ph_g_ps2_kbd_leds = 0;
ph_ps2_kbd_send(0xfa);
ph_ps2_kbd_send(0xaa);
return;
ph_ps2_kbd_reset();
break;
case 0xee: // CMD: Echo
ph_ps2_kbd_send(0xee);
@@ -91,12 +142,15 @@ void ph_ps2_kbd_receive(u8 byte, u8 prev_byte) {
return;
case 0xf4: // CMD: Enable scanning
ph_g_ps2_kbd_online = true;
ph_ps2_kbd_scanning = true;
break;
case 0xf5: // CMD: Disable scanning, restore default parameters
case 0xf6: // CMD: Set default parameters
ph_g_ps2_kbd_online = byte == 0xf6;
ph_ps2_kbd_scanning = byte == 0xf6;
ph_ps2_kbd_repeat_us = 91743;
ph_ps2_kbd_delay_ms = 500;
ph_ps2_kbd_repeat = 0;
ph_g_ps2_kbd_leds = 0;
break;
}
@@ -107,7 +161,7 @@ void ph_ps2_kbd_receive(u8 byte, u8 prev_byte) {
}
void ph_ps2_mouse_receive(u8 byte) {
switch(byte) {
switch (byte) {
}
}
@@ -121,35 +175,61 @@ void ph_ps2_init(void) {
if (PH_O_IS_KBD_PS2) {
ph_ps2_phy_init(&ph_ps2_kbd, pio0, 11, &ph_ps2_kbd_receive); // keyboard: GPIO11=data, GPIO12=clock
ph_ps2_kbd_send(0xaa);
ph_g_ps2_kbd_online = true;
ph_ps2_kbd_reset();
}
if (PH_O_IS_MOUSE_PS2) {
ph_ps2_phy_init(&ph_ps2_mouse, pio1, 14, &ph_ps2_mouse_receive); // mouse: GPIO14=data, GPIO15=clock
//ph_ps2_phy_init(&ph_ps2_mouse, pio1, 14, &ph_ps2_mouse_receive); // mouse: GPIO14=data, GPIO15=clock
}
}
void ph_ps2_task(void) {
if (PH_O_IS_KBD_PS2) {
ph_ps2_phy_task(&ph_ps2_kbd);
ph_g_ps2_kbd_online = ph_ps2_kbd_scanning && ph_ps2_kbd.idle;
}
if (PH_O_IS_MOUSE_PS2) {
ph_ps2_phy_task(&ph_ps2_mouse);
//ph_ps2_phy_task(&ph_ps2_mouse);
}
}
void ph_ps2_kbd_send_key(u8 key, bool state) {
if (PH_O_IS_KBD_PS2 && ph_g_ps2_kbd_online) {
if (PH_O_IS_KBD_PS2 && ph_ps2_kbd_scanning) {
if (key >= 0xe0 && key <= 0xe7) {
if (key == 0xe0 || key == 0xe4) {
if (state) {
ph_ps2_is_ctrl++;
} else {
ph_ps2_is_ctrl--;
}
if (ph_ps2_is_ctrl < 0 || ph_ps2_is_ctrl > 2) {
ph_ps2_is_ctrl = 0;
}
}
key -= 0xe0;
if (key > 2 && key != 5) {
ph_ps2_kbd_send(0xe0);
}
if (!state) {
if (state) {
ph_ps2_kbd_repeat = key + 1;
ph_ps2_kbd_repeatmod = true;
if (ph_ps2_kbd_repeater) {
cancel_alarm(ph_ps2_kbd_repeater);
}
ph_ps2_kbd_repeater = add_alarm_in_ms(ph_ps2_kbd_delay_ms, ph_ps2_repeat_callback, NULL, false);
} else {
if (ph_ps2_kbd_repeat == key + 1 && ph_ps2_kbd_repeatmod) {
ph_ps2_kbd_repeat = 0;
}
ph_ps2_kbd_send(0xf0);
}
@@ -158,20 +238,33 @@ void ph_ps2_kbd_send_key(u8 key, bool state) {
} else if (key < ph_ps2_maparray) {
if (key == 0x48) {
ph_ps2_kbd_repeat = 0;
if (state) {
if (false) { // TODO: is shift
if (ph_ps2_is_ctrl) {
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);
} else {
ph_ps2_kbd_send(0xe1); ph_ps2_kbd_send(0x14); ph_ps2_kbd_send(0x77); ph_ps2_kbd_send(0xe1);
ph_ps2_kbd_send(0xf0); ph_ps2_kbd_send(0x14); ph_ps2_kbd_send(0xf0); ph_ps2_kbd_send(0x77);
}
}
} else {
ph_ps2_kbd_maybe_send_e0(key);
if (!state) {
if (state) {
ph_ps2_kbd_repeat = key;
ph_ps2_kbd_repeatmod = false;
if (ph_ps2_kbd_repeater) {
cancel_alarm(ph_ps2_kbd_repeater);
}
ph_ps2_kbd_repeater = add_alarm_in_ms(ph_ps2_kbd_delay_ms, ph_ps2_repeat_callback, NULL, false);
} else {
if (ph_ps2_kbd_repeat == key && !ph_ps2_kbd_repeatmod) {
ph_ps2_kbd_repeat = 0;
}
ph_ps2_kbd_send(0xf0);
}