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Diffstat (limited to 'hid/pico/src/ph_ps2.c')
-rw-r--r--hid/pico/src/ph_ps2.c255
1 files changed, 6 insertions, 249 deletions
diff --git a/hid/pico/src/ph_ps2.c b/hid/pico/src/ph_ps2.c
index 587500ac..d5bc9beb 100644
--- a/hid/pico/src/ph_ps2.c
+++ b/hid/pico/src/ph_ps2.c
@@ -24,281 +24,38 @@
#include "ph_types.h"
#include "ph_outputs.h"
-#include "ph_ps2_phy.h"
#include "hardware/gpio.h"
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[] = {
- 0x00, 0x00, 0xfc, 0x00, 0x1c, 0x32, 0x21, 0x23, 0x24, 0x2b, 0x34, 0x33, 0x43, 0x3b, 0x42, 0x4b,
- 0x3a, 0x31, 0x44, 0x4d, 0x15, 0x2d, 0x1b, 0x2c, 0x3c, 0x2a, 0x1d, 0x22, 0x35, 0x1a, 0x16, 0x1e,
- 0x26, 0x25, 0x2e, 0x36, 0x3d, 0x3e, 0x46, 0x45, 0x5a, 0x76, 0x66, 0x0d, 0x29, 0x4e, 0x55, 0x54,
- 0x5b, 0x5d, 0x5d, 0x4c, 0x52, 0x0e, 0x41, 0x49, 0x4a, 0x58, 0x05, 0x06, 0x04, 0x0c, 0x03, 0x0b,
- 0x83, 0x0a, 0x01, 0x09, 0x78, 0x07, 0x7c, 0x7e, 0x7e, 0x70, 0x6c, 0x7d, 0x71, 0x69, 0x7a, 0x74,
- 0x6b, 0x72, 0x75, 0x77, 0x4a, 0x7c, 0x7b, 0x79, 0x5a, 0x69, 0x72, 0x7a, 0x6b, 0x73, 0x74, 0x6c,
- 0x75, 0x7d, 0x70, 0x71, 0x61, 0x2f, 0x37, 0x0f, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, 0x40,
- 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);
-}
-
-void ph_ps2_kbd_maybe_send_e0(u8 byte) {
- if (byte == 0x46 ||
- (byte >= 0x49 && byte <= 0x52) ||
- byte == 0x54 || byte == 0x58 ||
- byte == 0x65 || byte == 0x66 ||
- byte >= 0x81) {
- ph_ps2_kbd_send(0xe0);
- }
-}
-
-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) {
- 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) {
- case 0xff: // CMD: Reset
- ph_ps2_kbd_reset();
- break;
-
- case 0xee: // CMD: Echo
- ph_ps2_kbd_send(0xee);
- return;
-
- case 0xf2: // CMD: Identify keyboard
- ph_ps2_kbd_send(0xfa);
- ph_ps2_kbd_send(0xab);
- ph_ps2_kbd_send(0x83);
- return;
-
- case 0xf4: // CMD: Enable scanning
- ph_ps2_kbd_scanning = true;
- break;
-
- case 0xf5: // CMD: Disable scanning, restore default parameters
- case 0xf6: // CMD: Set default parameters
- 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;
- }
- break;
- }
-
- ph_ps2_kbd_send(0xfa);
-}
-
-void ph_ps2_mouse_receive(u8 byte) {
- switch (byte) {
-
- }
-}
-
void ph_ps2_init(void) {
if (PH_O_IS_KBD_PS2 || PH_O_IS_MOUSE_PS2) {
- gpio_init(13);
+ gpio_init(13); // GPIO13=LV pull-up voltage
gpio_set_dir(13, GPIO_OUT);
- gpio_put(13, 1); // GPIO13=LV pull-up voltage
+ gpio_put(13, 1);
}
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_reset();
+ ph_ps2_kbd_init(11); // keyboard: GPIO11=data, GPIO12=clock
}
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_mouse_init(14); // 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;
+ ph_ps2_kbd_task();
}
if (PH_O_IS_MOUSE_PS2) {
- //ph_ps2_phy_task(&ph_ps2_mouse);
- }
-}
-
-void ph_ps2_kbd_send_key(u8 key, bool state) {
- 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) {
- 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);
- }
-
- ph_ps2_kbd_send(ph_ps2_mod2ps2[key]);
-
- } else if (key < ph_ps2_maparray) {
-
- if (key == 0x48) {
- ph_ps2_kbd_repeat = 0;
-
- if (state) {
- 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) {
- 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);
- }
-
- ph_ps2_kbd_send(ph_ps2_hid2ps2[key]);
- }
- }
+ ph_ps2_mouse_task();
}
}
-void ph_ps2_mouse_send_button(u8 button, bool state) {
- // TODO: PS2: Send mouse button
- // @button - USB button code
- // @state - true if pressed, false if released
- // The function should take care not to send duplicate events (if needed for PS/2)
- // If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
- (void)button; // Remove this
- (void)state; // Remove this
-}
-
-void ph_ps2_mouse_send_rel(s8 x, s8 y) {
- // TODO: PS2: Send relative move event
- // If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
- (void)x; // Remove this
- (void)y; // Remove this
-}
-
-void ph_ps2_mouse_send_wheel(s8 h, s8 v) {
- (void)h;
- // TODO: PS2: Send wheel. As I understand, PS/2 has no horizontal scrolling, so @h just can be ignored.
- // @v - vertical scrolling like on USB
- // If the PS2 keyboard is not used (PH_O_IS_MOUSE_PS2 is false), the function should do nothing.
- (void)v; // Remove this
-}
-
void ph_ps2_send_clear(void) {
// TODO: PS2: Release all pressed buttons and keys.
// If PH_O_IS_KBD_PS2, release all PS/2 buttons
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-23 23:04:41 +0000