spi firmware

This commit is contained in:
Devaev Maxim 2020-11-03 10:15:54 +03:00
parent a3707d047f
commit e07cdd60f3
15 changed files with 254 additions and 195 deletions

View File

@ -27,6 +27,5 @@ def _patch_lib(lib_path: str, patch_path: str) -> None:
# =====
_libs = _get_libs()
assert "TimerOne" in _libs # Just checking
if "HID-Project" in _libs:
_patch_lib(_libs["HID-Project"], "patches/absmouse.patch")

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@ -12,10 +12,6 @@ extra_scripts =
platform_packages =
tool-avrdude
[_parts_common]
lib_deps =
TimerOne@1.1
[_parts_usb_kbd]
lib_deps =
HID-Project@2.6.1
@ -38,7 +34,6 @@ build_flags =
[_usb]
lib_deps =
${_parts_common.lib_deps}
${_parts_usb_kbd.lib_deps}
# ${_parts_usb_mouse.lib_deps}
build_flags =
@ -47,14 +42,12 @@ build_flags =
[_ps2]
lib_deps =
${_parts_common.lib_deps}
${_parts_ps2_kbd.lib_deps}
build_flags =
${_parts_ps2_kbd.build_flags}
[_mixed]
lib_deps =
${_parts_common.lib_deps}
${_parts_ps2_kbd.lib_deps}
${_parts_usb_mouse.lib_deps}
build_flags =
@ -107,9 +100,7 @@ extra_scripts =
[_cmd_spi]
build_flags =
-DCMD_SERIAL=Serial1
-DCMD_SERIAL_SPEED=115200
# -DCMD_SPI
-DCMD_SPI
upload_protocol = custom
upload_flags =
-C

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@ -1,26 +0,0 @@
/*****************************************************************************
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#define INLINE inline __attribute__((always_inline))

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@ -20,10 +20,17 @@
*****************************************************************************/
#include <Arduino.h>
#include <TimerOne.h>
#if !(defined(CMD_SERIAL) || defined(CMD_SPI))
# error CMD phy is not defined
#endif
#include "inline.h"
#include <Arduino.h>
#ifdef CMD_SPI
# include <SPI.h>
#endif
#include "proto.h"
#if defined(HID_USB_KBD) || defined(HID_USB_MOUSE)
# include "usb/hid.h"
@ -35,41 +42,9 @@
// #define CMD_SERIAL Serial1
// #define CMD_SERIAL_SPEED 115200
#define CMD_RECV_TIMEOUT 100000
#define PROTO_MAGIC 0x33
#define PROTO_CRC_POLINOM 0xA001
#define PROTO_RESP_OK 0x20
#define PROTO_RESP_NONE 0x24
#define PROTO_RESP_CRC_ERROR 0x40
#define PROTO_RESP_INVALID_ERROR 0x45
#define PROTO_RESP_TIMEOUT_ERROR 0x48
#define PROTO_RESP_PONG_PREFIX 0x80
#define PROTO_RESP_PONG_CAPS 0b00000001
#define PROTO_RESP_PONG_SCROLL 0b00000010
#define PROTO_RESP_PONG_NUM 0b00000100
#define PROTO_CMD_PING 0x01
#define PROTO_CMD_REPEAT 0x02
#define PROTO_CMD_RESET_HID 0x10
#define PROTO_CMD_KEY_EVENT 0x11
#define PROTO_CMD_MOUSE_BUTTON_EVENT 0x13 // Legacy sequence
#define PROTO_CMD_MOUSE_MOVE_EVENT 0x12
#define PROTO_CMD_MOUSE_WHEEL_EVENT 0x14
#define PROTO_CMD_MOUSE_BUTTON_LEFT_SELECT 0b10000000
#define PROTO_CMD_MOUSE_BUTTON_LEFT_STATE 0b00001000
#define PROTO_CMD_MOUSE_BUTTON_RIGHT_SELECT 0b01000000
#define PROTO_CMD_MOUSE_BUTTON_RIGHT_STATE 0b00000100
#define PROTO_CMD_MOUSE_BUTTON_MIDDLE_SELECT 0b00100000
#define PROTO_CMD_MOUSE_BUTTON_MIDDLE_STATE 0b00000010
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_UP_SELECT 0b10000000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_UP_STATE 0b00001000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_DOWN_SELECT 0b01000000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_DOWN_STATE 0b00000100
// -- OR --
// #define CMD_SPI
#define CMD_TIMEOUT 100000
// -----------------------------------------------------------------------------
@ -84,7 +59,7 @@
// -----------------------------------------------------------------------------
INLINE uint8_t cmdResetHid(const uint8_t *buffer) { // 0 bytes
uint8_t cmdResetHid(const uint8_t *buffer) { // 0 bytes
# ifdef HID_USB_KBD
hid_kbd.reset();
# endif
@ -94,12 +69,12 @@ INLINE uint8_t cmdResetHid(const uint8_t *buffer) { // 0 bytes
return PROTO_RESP_OK;
}
INLINE uint8_t cmdKeyEvent(const uint8_t *buffer) { // 2 bytes
uint8_t cmdKeyEvent(const uint8_t *buffer) { // 2 bytes
hid_kbd.sendKey(buffer[0], buffer[1]);
return PROTO_RESP_OK;
}
INLINE uint8_t cmdMouseButtonEvent(const uint8_t *buffer) { // 2 bytes
uint8_t cmdMouseButtonEvent(const uint8_t *buffer) { // 2 bytes
# ifdef HID_USB_MOUSE
uint8_t main_state = buffer[0];
uint8_t extra_state = buffer[1];
@ -119,7 +94,7 @@ INLINE uint8_t cmdMouseButtonEvent(const uint8_t *buffer) { // 2 bytes
return PROTO_RESP_OK;
}
INLINE uint8_t cmdMouseMoveEvent(const uint8_t *buffer) { // 4 bytes
uint8_t cmdMouseMoveEvent(const uint8_t *buffer) { // 4 bytes
# ifdef HID_USB_MOUSE
int x = (int)buffer[0] << 8;
x |= (int)buffer[1];
@ -134,14 +109,14 @@ INLINE uint8_t cmdMouseMoveEvent(const uint8_t *buffer) { // 4 bytes
return PROTO_RESP_OK;
}
INLINE uint8_t cmdMouseWheelEvent(const uint8_t *buffer) { // 2 bytes
uint8_t cmdMouseWheelEvent(const uint8_t *buffer) { // 2 bytes
# ifdef HID_USB_MOUSE
hid_mouse.sendMouseWheel(buffer[1]); // Y only, X is not supported
# endif
return PROTO_RESP_OK;
}
INLINE uint8_t cmdPongLeds(const uint8_t *buffer) { // 0 bytes
uint8_t cmdPongLeds(const uint8_t *buffer) { // 0 bytes
return ((uint8_t) PROTO_RESP_PONG_PREFIX) | hid_kbd.getLedsAs(
PROTO_RESP_PONG_CAPS,
PROTO_RESP_PONG_SCROLL,
@ -149,40 +124,86 @@ INLINE uint8_t cmdPongLeds(const uint8_t *buffer) { // 0 bytes
);
}
uint8_t handleCmdBuffer(const uint8_t *buffer) { // 8 bytes
uint16_t crc = (uint16_t)buffer[6] << 8;
crc |= (uint16_t)buffer[7];
// -----------------------------------------------------------------------------
INLINE uint16_t makeCrc16(const uint8_t *buffer, unsigned length) {
uint16_t crc = 0xFFFF;
for (unsigned byte_count = 0; byte_count < length; ++byte_count) {
crc = crc ^ buffer[byte_count];
for (unsigned bit_count = 0; bit_count < 8; ++bit_count) {
if ((crc & 0x0001) == 0) {
crc = crc >> 1;
} else {
crc = crc >> 1;
crc = crc ^ PROTO_CRC_POLINOM;
}
if (protoCrc16(buffer, 6) == crc) {
# define HANDLE(_handler) { return _handler(buffer + 2); }
switch (buffer[1]) {
case PROTO_CMD_RESET_HID: HANDLE(cmdResetHid);
case PROTO_CMD_KEY_EVENT: HANDLE(cmdKeyEvent);
case PROTO_CMD_MOUSE_BUTTON_EVENT: HANDLE(cmdMouseButtonEvent);
case PROTO_CMD_MOUSE_MOVE_EVENT: HANDLE(cmdMouseMoveEvent);
case PROTO_CMD_MOUSE_WHEEL_EVENT: HANDLE(cmdMouseWheelEvent);
case PROTO_CMD_PING: HANDLE(cmdPongLeds);
case PROTO_CMD_REPEAT: return 0;
default: return PROTO_RESP_INVALID_ERROR;
}
# undef HANDLE
}
return crc;
return PROTO_RESP_CRC_ERROR;
}
// -----------------------------------------------------------------------------
volatile bool cmd_recv_timed_out = false;
#ifdef CMD_SPI
volatile uint8_t spi_in[8] = {0};
volatile uint8_t spi_in_index = 0;
volatile uint8_t spi_in_read = 0; // Вычитанное spiRead()
INLINE void recvTimerStop(bool flag) {
Timer1.stop();
cmd_recv_timed_out = flag;
volatile uint8_t spi_out[4] = {0};
volatile uint8_t spi_out_index = 0;
uint8_t spiAvailable() {
return spi_in_index - spi_in_read;
}
INLINE void resetCmdRecvTimeout() {
recvTimerStop(false);
Timer1.initialize(CMD_RECV_TIMEOUT);
uint8_t spiRead() {
uint8_t value = 0;
if (spi_in_read < 8) {
value = spi_in[spi_in_read];
++spi_in_read;
}
return value;
}
INLINE void sendCmdResponse(uint8_t code=0) {
void spiWrite(const uint8_t *buffer) {
if (spi_out[0] == 0) {
spi_out[3] = buffer[3];
spi_out[2] = buffer[2];
spi_out[1] = buffer[1];
spi_out[0] = buffer[0]; // Меджик разрешает начать ответ
}
}
void spiReadReset() {
spi_in_index = 0;
spi_in_read = 0;
}
ISR(SPI_STC_vect) {
if (spi_in_index < 8) {
spi_in[spi_in_index] = SPDR;
++spi_in_index;
SPDR = 0;
} else if (spi_out[0] && spi_out_index < 4) {
SPDR = spi_out[spi_out_index];
++spi_out_index;
if (spi_out_index == 4) {
spiReadReset();
spi_out[0] = 0;
spi_out_index = 0;
}
} else {
SPDR = 0;
}
}
#endif
// -----------------------------------------------------------------------------
void sendCmdResponse(uint8_t code) {
static uint8_t prev_code = PROTO_RESP_NONE;
if (code == 0) {
code = prev_code; // Repeat the last code
@ -193,16 +214,23 @@ INLINE void sendCmdResponse(uint8_t code=0) {
uint8_t buffer[4];
buffer[0] = PROTO_MAGIC;
buffer[1] = code;
uint16_t crc = makeCrc16(buffer, 2);
uint16_t crc = protoCrc16(buffer, 2);
buffer[2] = (uint8_t)(crc >> 8);
buffer[3] = (uint8_t)(crc & 0xFF);
recvTimerStop(false);
# ifdef CMD_SERIAL
CMD_SERIAL.write(buffer, 4);
# elif defined(CMD_SPI)
spiWrite(buffer);
# endif
}
void intRecvTimedOut() {
recvTimerStop(true);
bool isCmdTimedOut(unsigned long last) {
unsigned long now = micros();
return (
(now >= last && now - last > CMD_TIMEOUT)
|| (now < last && ((unsigned long)-1) - last + now > CMD_TIMEOUT)
);
}
void setup() {
@ -211,48 +239,44 @@ void setup() {
hid_mouse.begin();
# endif
Timer1.attachInterrupt(intRecvTimedOut);
# ifdef CMD_SERIAL
CMD_SERIAL.begin(CMD_SERIAL_SPEED);
# elif defined(CMD_SPI)
pinMode(MISO, OUTPUT);
SPCR = (1 << SPE) | (1 << SPIE); // Slave, SPI En, IRQ En
# endif
}
void loop() {
unsigned long last = micros();
uint8_t buffer[8];
unsigned index = 0;
uint8_t index = 0;
while (true) {
# ifdef HID_PS2_KBD
hid_kbd.periodic();
# endif
# ifdef CMD_SERIAL
if (CMD_SERIAL.available() > 0) {
buffer[index] = (uint8_t)CMD_SERIAL.read();
# elif defined(CMD_SPI)
if (spiAvailable() > 0) {
buffer[index] = spiRead();
# endif
if (index == 7) {
uint16_t crc = (uint16_t)buffer[6] << 8;
crc |= (uint16_t)buffer[7];
if (makeCrc16(buffer, 6) == crc) {
# define HANDLE(_handler) { sendCmdResponse(_handler(buffer + 2)); break; }
switch (buffer[1]) {
case PROTO_CMD_RESET_HID: HANDLE(cmdResetHid);
case PROTO_CMD_KEY_EVENT: HANDLE(cmdKeyEvent);
case PROTO_CMD_MOUSE_BUTTON_EVENT: HANDLE(cmdMouseButtonEvent);
case PROTO_CMD_MOUSE_MOVE_EVENT: HANDLE(cmdMouseMoveEvent);
case PROTO_CMD_MOUSE_WHEEL_EVENT: HANDLE(cmdMouseWheelEvent);
case PROTO_CMD_PING: HANDLE(cmdPongLeds);
case PROTO_CMD_REPEAT: sendCmdResponse(); break;
default: sendCmdResponse(PROTO_RESP_INVALID_ERROR); break;
}
# undef HANDLE
} else {
sendCmdResponse(PROTO_RESP_CRC_ERROR);
}
sendCmdResponse(handleCmdBuffer(buffer));
index = 0;
} else {
resetCmdRecvTimeout();
index += 1;
last = micros();
++index;
}
} else if (index > 0 && cmd_recv_timed_out) {
} else if (index > 0 && isCmdTimedOut(last)) {
# ifdef CMD_SERIAL
sendCmdResponse(PROTO_RESP_TIMEOUT_ERROR);
# elif defined(CMD_SPI)
spiReadReset();
# endif
index = 0;
}
}

76
hid/src/proto.h Normal file
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@ -0,0 +1,76 @@
/*****************************************************************************
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#define PROTO_MAGIC 0x33
#define PROTO_CRC_POLINOM 0xA001
#define PROTO_RESP_OK 0x20
#define PROTO_RESP_NONE 0x24
#define PROTO_RESP_CRC_ERROR 0x40
#define PROTO_RESP_INVALID_ERROR 0x45
#define PROTO_RESP_TIMEOUT_ERROR 0x48
#define PROTO_RESP_PONG_PREFIX 0x80
#define PROTO_RESP_PONG_CAPS 0b00000001
#define PROTO_RESP_PONG_SCROLL 0b00000010
#define PROTO_RESP_PONG_NUM 0b00000100
#define PROTO_CMD_PING 0x01
#define PROTO_CMD_REPEAT 0x02
#define PROTO_CMD_RESET_HID 0x10
#define PROTO_CMD_KEY_EVENT 0x11
#define PROTO_CMD_MOUSE_BUTTON_EVENT 0x13 // Legacy sequence
#define PROTO_CMD_MOUSE_MOVE_EVENT 0x12
#define PROTO_CMD_MOUSE_WHEEL_EVENT 0x14
#define PROTO_CMD_MOUSE_BUTTON_LEFT_SELECT 0b10000000
#define PROTO_CMD_MOUSE_BUTTON_LEFT_STATE 0b00001000
#define PROTO_CMD_MOUSE_BUTTON_RIGHT_SELECT 0b01000000
#define PROTO_CMD_MOUSE_BUTTON_RIGHT_STATE 0b00000100
#define PROTO_CMD_MOUSE_BUTTON_MIDDLE_SELECT 0b00100000
#define PROTO_CMD_MOUSE_BUTTON_MIDDLE_STATE 0b00000010
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_UP_SELECT 0b10000000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_UP_STATE 0b00001000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_DOWN_SELECT 0b01000000
#define PROTO_CMD_MOUSE_BUTTON_EXTRA_DOWN_STATE 0b00000100
uint16_t protoCrc16(const uint8_t *buffer, unsigned length) {
uint16_t crc = 0xFFFF;
for (unsigned byte_count = 0; byte_count < length; ++byte_count) {
crc = crc ^ buffer[byte_count];
for (unsigned bit_count = 0; bit_count < 8; ++bit_count) {
if ((crc & 0x0001) == 0) {
crc = crc >> 1;
} else {
crc = crc >> 1;
crc = crc ^ PROTO_CRC_POLINOM;
}
}
}
return crc;
}

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@ -25,8 +25,6 @@
#include <Arduino.h>
#include <ps2dev.h>
#include "../inline.h"
#include "keymap.h"
// #define PS2_KBD_CLOCK_PIN 7
@ -43,11 +41,11 @@ class Ps2HidKeyboard {
_dev.keyboard_init();
}
INLINE void periodic() {
void periodic() {
_dev.keyboard_handle(&_leds);
}
INLINE void sendKey(uint8_t code, bool state) {
void sendKey(uint8_t code, bool state) {
Ps2KeyType ps2_type;
uint8_t ps2_code;
@ -76,7 +74,7 @@ class Ps2HidKeyboard {
}
}
INLINE uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
uint8_t result = 0;
periodic();

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@ -22,8 +22,6 @@
#pragma once
#include "../inline.h"
enum Ps2KeyType : uint8_t {
PS2_KEY_TYPE_UNKNOWN = 0,
@ -34,7 +32,7 @@ enum Ps2KeyType : uint8_t {
};
INLINE void keymapPs2(uint8_t code, Ps2KeyType *ps2_type, uint8_t *ps2_code) {
void keymapPs2(uint8_t code, Ps2KeyType *ps2_type, uint8_t *ps2_code) {
*ps2_type = PS2_KEY_TYPE_UNKNOWN;
*ps2_code = 0;

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@ -22,8 +22,6 @@
#pragma once
#include "../inline.h"
enum Ps2KeyType : uint8_t {
PS2_KEY_TYPE_UNKNOWN = 0,
@ -34,7 +32,7 @@ enum Ps2KeyType : uint8_t {
};
<%! import operator %>
INLINE void keymapPs2(uint8_t code, Ps2KeyType *ps2_type, uint8_t *ps2_code) {
void keymapPs2(uint8_t code, Ps2KeyType *ps2_type, uint8_t *ps2_code) {
*ps2_type = PS2_KEY_TYPE_UNKNOWN;
*ps2_code = 0;

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@ -24,8 +24,6 @@
#include <HID-Project.h>
#include "../inline.h"
#include "keymap.h"
@ -38,11 +36,11 @@ class UsbHidKeyboard {
BootKeyboard.begin();
}
INLINE void reset() {
void reset() {
BootKeyboard.releaseAll();
}
INLINE void sendKey(uint8_t code, bool state) {
void sendKey(uint8_t code, bool state) {
KeyboardKeycode usb_code = keymapUsb(code);
if (usb_code != KEY_ERROR_UNDEFINED) {
if (state) BootKeyboard.press(usb_code);
@ -50,7 +48,7 @@ class UsbHidKeyboard {
}
}
INLINE uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
uint8_t leds = BootKeyboard.getLeds();
uint8_t result = 0;
@ -69,11 +67,11 @@ class UsbHidMouse {
SingleAbsoluteMouse.begin();
}
INLINE void reset() {
void reset() {
SingleAbsoluteMouse.releaseAll();
}
INLINE void sendMouseButtons(
void sendMouseButtons(
bool left_select, bool left_state,
bool right_select, bool right_state,
bool middle_select, bool middle_state,
@ -87,17 +85,17 @@ class UsbHidMouse {
if (down_select) _sendMouseButton(MOUSE_NEXT, down_state);
}
INLINE void sendMouseMove(int x, int y) {
void sendMouseMove(int x, int y) {
SingleAbsoluteMouse.moveTo(x, y);
}
INLINE void sendMouseWheel(int delta_y) {
void sendMouseWheel(int delta_y) {
// delta_x is not supported by hid-project now
SingleAbsoluteMouse.move(0, 0, delta_y);
}
private:
INLINE void _sendMouseButton(uint8_t button, bool state) {
void _sendMouseButton(uint8_t button, bool state) {
if (state) SingleAbsoluteMouse.press(button);
else SingleAbsoluteMouse.release(button);
}

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@ -24,10 +24,8 @@
#include <HID-Project.h>
#include "../inline.h"
INLINE KeyboardKeycode keymapUsb(uint8_t code) {
KeyboardKeycode keymapUsb(uint8_t code) {
switch (code) {
case 1: return KEY_A;
case 2: return KEY_B;

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@ -24,10 +24,8 @@
#include <HID-Project.h>
#include "../inline.h"
<%! import operator %>
INLINE KeyboardKeycode keymapUsb(uint8_t code) {
KeyboardKeycode keymapUsb(uint8_t code) {
switch (code) {
% for km in sorted(keymap, key=operator.attrgetter("mcu_code")):
case ${km.mcu_code}: return ${km.arduino_name};

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@ -34,12 +34,12 @@ from . import aiotools
# =====
async def pulse(line: gpiod.Line, delay: float, final: float) -> None:
async def pulse(line: gpiod.Line, delay: float, final: float, inverted: bool=False) -> None:
try:
line.set_value(1)
line.set_value(int(not inverted))
await asyncio.sleep(delay)
finally:
line.set_value(0)
line.set_value(int(inverted))
await asyncio.sleep(final)

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@ -172,6 +172,7 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
phy: BasePhy,
reset_pin: int,
reset_inverted: bool,
reset_delay: float,
read_retries: int,
@ -190,7 +191,7 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
self.__noop = noop
self.__phy = phy
self.__gpio = Gpio(reset_pin, reset_delay)
self.__gpio = Gpio(reset_pin, reset_inverted, reset_delay)
self.__events_queue: "multiprocessing.Queue[_BaseEvent]" = multiprocessing.Queue()
@ -207,8 +208,9 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
@classmethod
def get_plugin_options(cls) -> Dict:
return {
"reset_pin": Option(-1, type=valid_gpio_pin_optional),
"reset_delay": Option(0.1, type=valid_float_f01),
"reset_pin": Option(-1, type=valid_gpio_pin_optional),
"reset_inverted": Option(False, type=valid_bool),
"reset_delay": Option(0.1, type=valid_float_f01),
"read_retries": Option(10, type=valid_int_f1),
"common_retries": Option(100, type=valid_int_f1),

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@ -33,8 +33,15 @@ from .... import aiogp
# =====
class Gpio:
def __init__(self, reset_pin: int, reset_delay: float) -> None:
def __init__(
self,
reset_pin: int,
reset_inverted: bool,
reset_delay: float,
) -> None:
self.__reset_pin = reset_pin
self.__reset_inverted = reset_inverted
self.__reset_delay = reset_delay
self.__chip: Optional[gpiod.Chip] = None
@ -47,7 +54,7 @@ class Gpio:
assert self.__reset_line is None
self.__chip = gpiod.Chip(env.GPIO_DEVICE_PATH)
self.__reset_line = self.__chip.get_line(self.__reset_pin)
self.__reset_line.request("kvmd::hid-mcu::reset", gpiod.LINE_REQ_DIR_OUT, default_vals=[0])
self.__reset_line.request("kvmd::hid-mcu::reset", gpiod.LINE_REQ_DIR_OUT, default_vals=[int(self.__reset_inverted)])
def close(self) -> None:
if self.__chip:
@ -63,7 +70,7 @@ class Gpio:
if not self.__reset_wip:
self.__reset_wip = True
try:
await aiogp.pulse(self.__reset_line, self.__reset_delay, 1)
await aiogp.pulse(self.__reset_line, self.__reset_delay, 1, self.__reset_inverted)
finally:
self.__reset_wip = False
get_logger(0).info("Reset HID performed")

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@ -27,6 +27,7 @@ import time
from typing import List
from typing import Dict
from typing import Generator
from typing import Callable
from typing import Any
import spidev
@ -49,31 +50,18 @@ from ._mcu import BaseMcuHid
class _SpiPhyConnection(BasePhyConnection):
def __init__(
self,
spi: spidev.SpiDev,
xfer: Callable[[bytes], bytes],
read_timeout: float,
read_delay: float,
) -> None:
self.__spi = spi
self.__xfer = xfer
self.__read_timeout = read_timeout
self.__read_delay = read_delay
self.__empty8 = b"\x00" * 8
self.__empty4 = b"\x00" * 4
def send(self, request: bytes) -> bytes:
assert len(request) == 8
deadline_ts = time.time() + self.__read_timeout
while time.time() < deadline_ts:
garbage = bytes(self.__spi.xfer(self.__empty8))
if garbage == self.__empty8:
break
else:
get_logger(0).error("SPI timeout reached while reading the a garbage")
return b""
self.__spi.xfer(request)
self.__xfer(request)
response: List[int] = []
deadline_ts = time.time() + self.__read_timeout
@ -81,21 +69,19 @@ class _SpiPhyConnection(BasePhyConnection):
while time.time() < deadline_ts:
if not found:
time.sleep(self.__read_delay)
for byte in self.__spi.xfer(self.__empty4):
for byte in self.__xfer(b"\x00" * (4 - len(response))):
if not found:
if byte == 0:
continue
found = True
response.append(byte)
if len(response) >= 4:
if len(response) == 4:
break
if len(response) >= 4:
if len(response) == 4:
break
else:
get_logger(0).error("SPI timeout reached while responce waiting")
return b""
assert len(response) == 4
return bytes(response)
@ -105,6 +91,7 @@ class _SpiPhy(BasePhy):
bus: int,
chip: int,
max_freq: int,
block_usec: int,
read_timeout: float,
read_delay: float,
) -> None:
@ -112,6 +99,7 @@ class _SpiPhy(BasePhy):
self.__bus = bus
self.__chip = chip
self.__max_freq = max_freq
self.__block_usec = block_usec
self.__read_timeout = read_timeout
self.__read_delay = read_delay
@ -123,7 +111,15 @@ class _SpiPhy(BasePhy):
with contextlib.closing(spidev.SpiDev(self.__bus, self.__chip)) as spi:
spi.mode = 0
spi.max_speed_hz = self.__max_freq
yield _SpiPhyConnection(spi, self.__read_timeout, self.__read_delay)
def xfer(data: bytes) -> bytes:
return spi.xfer(data, self.__max_freq, self.__block_usec)
yield _SpiPhyConnection(
xfer=xfer,
read_timeout=self.__read_timeout,
read_delay=self.__read_delay,
)
# =====
@ -133,23 +129,25 @@ class Plugin(BaseMcuHid):
bus: int,
chip: int,
max_freq: int,
block_usec: int,
read_timeout: float,
read_delay: float,
**kwargs: Any,
) -> None:
super().__init__(
phy=_SpiPhy(bus, chip, max_freq, read_timeout, read_delay),
phy=_SpiPhy(bus, chip, max_freq, block_usec, read_timeout, read_delay),
**kwargs,
)
@classmethod
def get_plugin_options(cls) -> Dict:
return {
"bus": Option(0, type=valid_int_f0),
"chip": Option(0, type=valid_int_f0),
"max_freq": Option(1000000, type=valid_int_f1),
"read_timeout": Option(2.0, type=valid_float_f01),
"read_delay": Option(0.001, type=valid_float_f0),
"bus": Option(0, type=valid_int_f0),
"chip": Option(0, type=valid_int_f0),
"max_freq": Option(400000, type=valid_int_f1),
"block_usec": Option(1, type=valid_int_f0),
"read_timeout": Option(2.0, type=valid_float_f01),
"read_delay": Option(0.001, type=valid_float_f0),
**BaseMcuHid.get_plugin_options(),
}