diff options
Diffstat (limited to 'hid/pico/src/ph_ps2.c')
-rw-r--r-- | hid/pico/src/ph_ps2.c | 255 |
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 |