diff options
Diffstat (limited to 'quantum/split_common/split_util.c')
| -rw-r--r-- | quantum/split_common/split_util.c | 120 |
1 files changed, 78 insertions, 42 deletions
diff --git a/quantum/split_common/split_util.c b/quantum/split_common/split_util.c index 575bdc0fdc..35f0a9d181 100644 --- a/quantum/split_common/split_util.c +++ b/quantum/split_common/split_util.c @@ -1,3 +1,18 @@ +/* Copyright 2021 QMK + * + * 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 <http://www.gnu.org/licenses/>. + */ #include "split_util.h" #include "matrix.h" #include "keyboard.h" @@ -6,14 +21,7 @@ #include "transport.h" #include "quantum.h" #include "wait.h" - -#ifdef PROTOCOL_LUFA -# include <LUFA/Drivers/USB/USB.h> -#endif - -#ifdef PROTOCOL_VUSB -# include <usbdrv/usbdrv.h> -#endif +#include "usb_util.h" #ifdef EE_HANDS # include "eeconfig.h" @@ -31,53 +39,36 @@ # define SPLIT_USB_TIMEOUT_POLL 10 #endif -#ifdef PROTOCOL_CHIBIOS -# define SPLIT_USB_DETECT // Force this on for now -#endif +// Max number of consecutive failed communications (one per scan cycle) before the communication is seen as disconnected. +// Set to 0 to disable the disconnection check altogether. +#ifndef SPLIT_MAX_CONNECTION_ERRORS +# define SPLIT_MAX_CONNECTION_ERRORS 10 +#endif // SPLIT_MAX_CONNECTION_ERRORS + +// How long (in milliseconds) to block all connection attempts after the communication has been flagged as disconnected. +// One communication attempt will be allowed everytime this amount of time has passed since the last attempt. If that attempt succeeds, the communication is seen as working again. +// Set to 0 to disable communication throttling while disconnected +#ifndef SPLIT_CONNECTION_CHECK_TIMEOUT +# define SPLIT_CONNECTION_CHECK_TIMEOUT 500 +#endif // SPLIT_CONNECTION_CHECK_TIMEOUT + +static uint8_t connection_errors = 0; volatile bool isLeftHand = true; #if defined(SPLIT_USB_DETECT) -# if defined(PROTOCOL_LUFA) -static inline bool usbHasActiveConnection(void) { return USB_Device_IsAddressSet(); } -static inline void usbDisable(void) { USB_Disable(); } -# elif defined(PROTOCOL_CHIBIOS) -static inline bool usbHasActiveConnection(void) { return usbGetDriverStateI(&USBD1) == USB_ACTIVE; } -static inline void usbDisable(void) { usbStop(&USBD1); } -# elif defined(PROTOCOL_VUSB) -static inline bool usbHasActiveConnection(void) { - usbPoll(); - return usbConfiguration; -} -static inline void usbDisable(void) { usbDeviceDisconnect(); } -# else -static inline bool usbHasActiveConnection(void) { return true; } -static inline void usbDisable(void) {} -# endif - -bool usbIsActive(void) { +static bool usbIsActive(void) { for (uint8_t i = 0; i < (SPLIT_USB_TIMEOUT / SPLIT_USB_TIMEOUT_POLL); i++) { // This will return true if a USB connection has been established - if (usbHasActiveConnection()) { + if (usb_connected_state()) { return true; } wait_ms(SPLIT_USB_TIMEOUT_POLL); } - - // Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow - usbDisable(); - return false; } -#elif defined(PROTOCOL_LUFA) && defined(OTGPADE) -static inline bool usbIsActive(void) { - USB_OTGPAD_On(); // enables VBUS pad - wait_us(5); - - return USB_VBUS_GetStatus(); // checks state of VBUS -} #else -static inline bool usbIsActive(void) { return true; } +static inline bool usbIsActive(void) { return usb_vbus_state(); } #endif #ifdef SPLIT_HAND_MATRIX_GRID @@ -101,7 +92,11 @@ __attribute__((weak)) bool is_keyboard_left(void) { #if defined(SPLIT_HAND_PIN) // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand setPinInput(SPLIT_HAND_PIN); +# ifdef SPLIT_HAND_PIN_LOW_IS_LEFT + return !readPin(SPLIT_HAND_PIN); +# else return readPin(SPLIT_HAND_PIN); +# endif #elif defined(SPLIT_HAND_MATRIX_GRID) # ifdef SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT return peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID); @@ -123,6 +118,11 @@ __attribute__((weak)) bool is_keyboard_master(void) { // only check once, as this is called often if (usbstate == UNKNOWN) { usbstate = usbIsActive() ? MASTER : SLAVE; + + // Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow + if (usbstate == SLAVE) { + usb_disconnect(); + } } return (usbstate == MASTER); @@ -157,3 +157,39 @@ void split_post_init(void) { transport_slave_init(); } } + +bool is_transport_connected(void) { return connection_errors < SPLIT_MAX_CONNECTION_ERRORS; } + +bool transport_master_if_connected(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) { +#if SPLIT_MAX_CONNECTION_ERRORS > 0 && SPLIT_CONNECTION_CHECK_TIMEOUT > 0 + // Throttle transaction attempts if target doesn't seem to be connected + // Without this, a solo half becomes unusable due to constant read timeouts + static uint16_t connection_check_timer = 0; + const bool is_disconnected = !is_transport_connected(); + if (is_disconnected && timer_elapsed(connection_check_timer) < SPLIT_CONNECTION_CHECK_TIMEOUT) { + return false; + } +#endif // SPLIT_MAX_CONNECTION_ERRORS > 0 && SPLIT_CONNECTION_CHECK_TIMEOUT > 0 + + __attribute__((unused)) bool okay = transport_master(master_matrix, slave_matrix); +#if SPLIT_MAX_CONNECTION_ERRORS > 0 + if (!okay) { + if (connection_errors < UINT8_MAX) { + connection_errors++; + } +# if SPLIT_CONNECTION_CHECK_TIMEOUT > 0 + bool connected = is_transport_connected(); + if (!connected) { + connection_check_timer = timer_read(); + dprintln("Target disconnected, throttling connection attempts"); + } + return connected; + } else if (is_disconnected) { + dprintln("Target connected"); +# endif // SPLIT_CONNECTION_CHECK_TIMEOUT > 0 + } + + connection_errors = 0; +#endif // SPLIT_MAX_CONNECTION_ERRORS > 0 + return true; +} |