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-rw-r--r--hid/pico/src/CMakeLists.txt2
-rw-r--r--hid/pico/src/ph_ps2.c255
-rw-r--r--hid/pico/src/ph_ps2.h4
-rw-r--r--hid/pico/src/ph_ps2_kbd.c222
-rw-r--r--hid/pico/src/ph_ps2_mouse.c191
-rw-r--r--hid/pico/src/ph_ps2_phy.c21
-rw-r--r--hid/pico/src/ph_ps2_phy.pio9
7 files changed, 445 insertions, 259 deletions
diff --git a/hid/pico/src/CMakeLists.txt b/hid/pico/src/CMakeLists.txt
index e2897198..743759c2 100644
--- a/hid/pico/src/CMakeLists.txt
+++ b/hid/pico/src/CMakeLists.txt
@@ -9,6 +9,8 @@ target_sources(${target_name} PRIVATE
ph_usb_mouse.c
ph_ps2.c
ph_ps2_phy.c
+ ph_ps2_kbd.c
+ ph_ps2_mouse.c
ph_cmds.c
ph_com.c
ph_com_bridge.c
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
diff --git a/hid/pico/src/ph_ps2.h b/hid/pico/src/ph_ps2.h
index 057299f3..6766cbf9 100644
--- a/hid/pico/src/ph_ps2.h
+++ b/hid/pico/src/ph_ps2.h
@@ -33,8 +33,12 @@ extern bool ph_g_ps2_mouse_online;
void ph_ps2_init(void);
void ph_ps2_task(void);
+void ph_ps2_kbd_init(u8 gpio);
+void ph_ps2_kbd_task(void);
void ph_ps2_kbd_send_key(u8 key, bool state);
+void ph_ps2_mouse_init(u8 gpio);
+void ph_ps2_mouse_task(void);
void ph_ps2_mouse_send_button(u8 button, bool state);
void ph_ps2_mouse_send_rel(s8 x, s8 y);
void ph_ps2_mouse_send_wheel(s8 h, s8 v);
diff --git a/hid/pico/src/ph_ps2_kbd.c b/hid/pico/src/ph_ps2_kbd.c
new file mode 100644
index 00000000..f9e0caa3
--- /dev/null
+++ b/hid/pico/src/ph_ps2_kbd.c
@@ -0,0 +1,222 @@
+#include "ph_outputs.h"
+#include "ph_ps2_phy.h"
+
+extern u8 ph_g_ps2_kbd_leds;
+extern bool ph_g_ps2_kbd_online;
+
+ph_ps2_phy ph_ps2_kbd;
+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_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]);
+ }
+ }
+ }
+}
+
+void ph_ps2_kbd_receive(u8 byte, u8 prev_byte) {
+ switch (prev_byte) {
+ case 0xed: // Set LEDs
+ if (byte > 7) byte = 0;
+ ph_g_ps2_kbd_leds = ph_ps2_led2ps2[byte];
+ break;
+
+ case 0xf3: // 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: // Reset
+ ph_ps2_kbd_reset();
+ break;
+
+ case 0xee: // Echo
+ ph_ps2_kbd_send(0xee);
+ return;
+
+ case 0xf2: // Identify keyboard
+ ph_ps2_kbd_send(0xfa);
+ ph_ps2_kbd_send(0xab);
+ ph_ps2_kbd_send(0x83);
+ return;
+
+ case 0xf4: // Enable scanning
+ ph_ps2_kbd_scanning = true;
+ break;
+
+ case 0xf5: // Disable scanning, restore default parameters
+ case 0xf6: // 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_kbd_task(void) {
+ ph_ps2_phy_task(&ph_ps2_kbd);
+ ph_g_ps2_kbd_online = ph_ps2_kbd_scanning && ph_ps2_kbd.idle;
+}
+
+void ph_ps2_kbd_init(u8 gpio) {
+ ph_ps2_phy_init(&ph_ps2_kbd, pio0, gpio, &ph_ps2_kbd_receive);
+ ph_ps2_kbd_reset();
+} \ No newline at end of file
diff --git a/hid/pico/src/ph_ps2_mouse.c b/hid/pico/src/ph_ps2_mouse.c
new file mode 100644
index 00000000..279a06d6
--- /dev/null
+++ b/hid/pico/src/ph_ps2_mouse.c
@@ -0,0 +1,191 @@
+#include "ph_outputs.h"
+#include "ph_ps2_phy.h"
+
+extern bool ph_g_ps2_mouse_online;
+
+ph_ps2_phy ph_ps2_mouse;
+u8 ms_type = 0;
+u8 ms_mode = 0;
+u8 ms_input_mode = 0;
+u8 ms_rate = 100;
+u32 ms_magic_seq = 0x00;
+
+u8 buttons = 0;
+
+#define MS_TYPE_STANDARD 0x00
+#define MS_TYPE_WHEEL_3 0x03
+#define MS_TYPE_WHEEL_5 0x04
+
+#define MS_MODE_IDLE 0
+#define MS_MODE_STREAMING 1
+
+#define MS_INPUT_CMD 0
+#define MS_INPUT_SET_RATE 1
+
+void ph_ps2_mouse_send(u8 byte) {
+ queue_try_add(&ph_ps2_mouse.qbytes, &byte);
+}
+
+void ph_ps2_mouse_packet(u8 button, u8 x1, u8 y1) {
+ if(ms_mode == MS_MODE_STREAMING) {
+ u8 s = (button & 7) + 8;
+ u8 x = x1 & 0x7f;
+ u8 y = y1 & 0x7f;
+ u8 z = 0;
+
+ if(x1 >> 7) {
+ s += 0x10;
+ x += 0x80;
+ }
+
+ if(y1 >> 7) {
+ y = 0x80 - y;
+ } else if(y) {
+ s += 0x20;
+ y = 0x100 - y;
+ }
+
+ ph_ps2_mouse_send(s);
+ ph_ps2_mouse_send(x);
+ ph_ps2_mouse_send(y);
+
+ if (ms_type == MS_TYPE_WHEEL_3 || ms_type == MS_TYPE_WHEEL_5) {
+ /*if(report[3] >> 7) {
+ z = 0x8 - z;
+ } else if(z) {
+ z = 0x10 - z;
+ }
+
+ if (ms_type == MS_TYPE_WHEEL_5) {
+ if (report[0] & 0x8) {
+ z += 0x10;
+ }
+
+ if (report[0] & 0x10) {
+ z += 0x20;
+ }
+ }*/
+
+ ph_ps2_mouse_send(z);
+ }
+ }
+}
+
+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
+
+ u8 bitval = 1;
+
+ button--;
+
+ if(state) {
+ buttons = buttons | (bitval << button);
+ } else {
+ buttons = buttons & ~(bitval << button);
+ }
+
+ ph_ps2_mouse_packet(buttons, 0, 0);
+}
+
+void ph_ps2_mouse_send_rel(s8 x1, s8 y1) {
+ // 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.
+ ph_ps2_mouse_packet(buttons, x1, y1);
+}
+
+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_mouse_receive(u8 byte, u8 prev_byte) {
+
+ if(ms_input_mode == MS_INPUT_SET_RATE) {
+ ms_rate = byte;
+ ms_input_mode = MS_INPUT_CMD;
+ ph_ps2_mouse_send(0xfa);
+
+ ms_magic_seq = (ms_magic_seq << 8) | byte;
+ if(ms_type == MS_TYPE_STANDARD && ms_magic_seq == 0xc86450) {
+ ms_type = MS_TYPE_WHEEL_3;
+ } else if (ms_type == MS_TYPE_WHEEL_3 && ms_magic_seq == 0xc8c850) {
+ ms_type = MS_TYPE_WHEEL_5;
+ }
+ return;
+ }
+
+ if(byte != 0xf3) {
+ ms_magic_seq = 0x00;
+ }
+
+ switch(byte) {
+ case 0xff: // Reset
+ ms_type = MS_TYPE_STANDARD;
+ ms_mode = MS_MODE_IDLE;
+ ms_rate = 100;
+
+ ph_ps2_mouse_send(0xfa);
+ ph_ps2_mouse_send(0xaa);
+ ph_ps2_mouse_send(ms_type);
+ return;
+
+ case 0xf6: // Set Defaults
+ ms_type = MS_TYPE_STANDARD;
+ ms_rate = 100;
+ case 0xf5: // Disable Data Reporting
+ case 0xea: // Set Stream Mode
+ ms_mode = MS_MODE_IDLE;
+ ph_ps2_mouse_send(0xfa);
+ return;
+
+ case 0xf4: // Enable Data Reporting
+ ms_mode = MS_MODE_STREAMING;
+ ph_ps2_mouse_send(0xfa);
+ return;
+
+ case 0xf3: // Set Sample Rate
+ ms_input_mode = MS_INPUT_SET_RATE;
+ ph_ps2_mouse_send(0xfa);
+ return;
+
+ case 0xf2: // Get Device ID
+ ph_ps2_mouse_send(0xfa);
+ ph_ps2_mouse_send(ms_type);
+ return;
+
+ case 0xe9: // Status Request
+ ph_ps2_mouse_send(0xfa);
+ ph_ps2_mouse_send(0x00); // Bit6: Mode, Bit 5: Enable, Bit 4: Scaling, Bits[2,1,0] = Buttons[L,M,R]
+ ph_ps2_mouse_send(0x02); // Resolution
+ ph_ps2_mouse_send(ms_rate); // Sample Rate
+ return;
+
+ // TODO: Implement (more of) these?
+ // case 0xf0: // Set Remote Mode
+ // case 0xee: // Set Wrap Mode
+ // case 0xec: // Reset Wrap Mode
+ // case 0xeb: // Read Data
+ // case 0xe8: // Set Resolution
+ // case 0xe7: // Set Scaling 2:1
+ // case 0xe6: // Set Scaling 1:1
+ }
+
+ ph_ps2_mouse_send(0xfa);
+}
+
+void ph_ps2_mouse_task(void) {
+ ph_ps2_phy_task(&ph_ps2_mouse);
+}
+
+void ph_ps2_mouse_init(u8 gpio) {
+ ph_ps2_phy_init(&ph_ps2_mouse, pio0, gpio, &ph_ps2_mouse_receive);
+}
diff --git a/hid/pico/src/ph_ps2_phy.c b/hid/pico/src/ph_ps2_phy.c
index 670e625a..05046b2b 100644
--- a/hid/pico/src/ph_ps2_phy.c
+++ b/hid/pico/src/ph_ps2_phy.c
@@ -1,6 +1,11 @@
+// Source: https://github.com/No0ne/ps2x2pico/blob/main/ps2phy.c
+// replace ps2phy with ph_ps2_phy
+
#include "ph_ps2_phy.h"
#include "ph_ps2_phy.pio.h"
+uint prog = 0;
+
u32 ph_ps2_phy_frame(u8 byte) {
bool parity = 1;
for (u8 i = 0; i < 8; i++) {
@@ -10,13 +15,17 @@ u32 ph_ps2_phy_frame(u8 byte) {
}
void ph_ps2_phy_init(ph_ps2_phy* this, PIO pio, u8 data_pin, rx_callback rx) {
+ if(!prog) {
+ prog = pio_add_program(pio, &ph_ps2_phy_program);
+ }
+
queue_init(&this->qbytes, sizeof(u8), 9);
queue_init(&this->qpacks, sizeof(u8) * 9, 16);
- this->pio = pio;
- this->sm = pio_claim_unused_sm(this->pio, true);
- ps2phy_program_init(this->pio, this->sm, pio_add_program(this->pio, &ps2phy_program), data_pin);
+ this->sm = pio_claim_unused_sm(pio, true);
+ ph_ps2_phy_program_init(pio, this->sm, prog, data_pin);
+ this->pio = pio;
this->sent = 0;
this->rx = rx;
this->last_rx = 0;
@@ -39,7 +48,7 @@ void ph_ps2_phy_task(ph_ps2_phy* this) {
queue_try_add(&this->qpacks, &pack);
}
- this->idle = !pio_interrupt_get(this->pio, this->sm * 2);
+ this->idle = !pio_interrupt_get(this->pio, this->sm);
if (!queue_is_empty(&this->qpacks) && pio_sm_is_tx_fifo_empty(this->pio, this->sm) && this->idle) {
if (queue_try_peek(&this->qpacks, &pack)) {
@@ -54,10 +63,10 @@ void ph_ps2_phy_task(ph_ps2_phy* this) {
}
}
- if (pio_interrupt_get(this->pio, this->sm * 2 + 1)) {
+ if (pio_interrupt_get(this->pio, this->sm + 4)) {
this->sent = 0;
pio_sm_drain_tx_fifo(this->pio, this->sm);
- pio_interrupt_clear(this->pio, this->sm * 2 + 1);
+ pio_interrupt_clear(this->pio, this->sm + 4);
}
if (!pio_sm_is_rx_fifo_empty(this->pio, this->sm)) {
diff --git a/hid/pico/src/ph_ps2_phy.pio b/hid/pico/src/ph_ps2_phy.pio
index a2e4c81f..f2d7578c 100644
--- a/hid/pico/src/ph_ps2_phy.pio
+++ b/hid/pico/src/ph_ps2_phy.pio
@@ -4,8 +4,9 @@
;
; SPDX-License-Identifier: MIT
;
+; Source: https://github.com/No0ne/ps2x2pico/blob/main/ps2phy.pio
-.program ps2phy
+.program ph_ps2_phy
.side_set 1 opt pindirs
restart:
@@ -49,7 +50,7 @@ wait_to_write:
sendloop:
set pindirs, 0 [6] // clock set to input (high)
jmp pin sendcontinue // if clock is high, host is still receiving data
- irq wait 1 rel // clock was low, host wants to send data, notify of failure to send data
+ irq wait 4 rel // clock was low, host wants to send data, notify of failure to send data
jmp restart // and wait for restart
sendcontinue:
out pindirs, 1 [6] // write out data
@@ -57,8 +58,8 @@ sendcontinue:
jmp x-- sendloop [6]
% c-sdk {
- void ps2phy_program_init(PIO pio, uint sm, uint offset, uint dat) {
- pio_sm_config c = ps2phy_program_get_default_config(offset);
+ void ph_ps2_phy_program_init(PIO pio, uint sm, uint offset, uint dat) {
+ pio_sm_config c = ph_ps2_phy_program_get_default_config(offset);
u8 clk = dat + 1;
pio_gpio_init(pio, clk);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-23 18:17:16 +0000