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Diffstat (limited to 'quantum/serial_link/system/serial_link.c')
| -rw-r--r-- | quantum/serial_link/system/serial_link.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/quantum/serial_link/system/serial_link.c b/quantum/serial_link/system/serial_link.c deleted file mode 100644 index 6363f8ff3b..0000000000 --- a/quantum/serial_link/system/serial_link.c +++ /dev/null @@ -1,250 +0,0 @@ -/* -The MIT License (MIT) - -Copyright (c) 2016 Fred Sundvik - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ -#include "report.h" -#include "host_driver.h" -#include "serial_link/system/serial_link.h" -#include <hal.h> -#include "serial_link/protocol/byte_stuffer.h" -#include "serial_link/protocol/transport.h" -#include "serial_link/protocol/frame_router.h" -#include "matrix.h" -#include "sync_timer.h" -#include <stdbool.h> -#include "print.h" -#include "config.h" - -#define SYNC_TIMER_OFFSET 2 - -static event_source_t new_data_event; -static bool serial_link_connected; -static bool is_master = false; - -static uint8_t keyboard_leds(void); -static void send_keyboard(report_keyboard_t* report); -static void send_mouse(report_mouse_t* report); -static void send_system(uint16_t data); -static void send_consumer(uint16_t data); - -host_driver_t serial_driver = {keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer}; - -// Define these in your Config.h file -#ifndef SERIAL_LINK_BAUD -# error "Serial link baud is not set" -#endif - -#ifndef SERIAL_LINK_THREAD_PRIORITY -# error "Serial link thread priority not set" -#endif - -static SerialConfig config = {.sc_speed = SERIAL_LINK_BAUD}; - -//#define DEBUG_LINK_ERRORS - -static uint32_t read_from_serial(SerialDriver* driver, uint8_t link) { - const uint32_t buffer_size = 16; - uint8_t buffer[buffer_size]; - uint32_t bytes_read = sdAsynchronousRead(driver, buffer, buffer_size); - uint8_t* current = buffer; - uint8_t* end = current + bytes_read; - while (current < end) { - byte_stuffer_recv_byte(link, *current); - current++; - } - return bytes_read; -} - -static void print_error(char* str, eventflags_t flags, SerialDriver* driver) { -#ifdef DEBUG_LINK_ERRORS - if (flags & SD_PARITY_ERROR) { - print(str); - print(" Parity error\n"); - } - if (flags & SD_FRAMING_ERROR) { - print(str); - print(" Framing error\n"); - } - if (flags & SD_OVERRUN_ERROR) { - print(str); - uint32_t size = qSpaceI(&(driver->iqueue)); - xprintf(" Overrun error, queue size %d\n", size); - } - if (flags & SD_NOISE_ERROR) { - print(str); - print(" Noise error\n"); - } - if (flags & SD_BREAK_DETECTED) { - print(str); - print(" Break detected\n"); - } -#else - (void)str; - (void)flags; - (void)driver; -#endif -} - -bool is_serial_link_master(void) { return is_master; } - -// TODO: Optimize the stack size, this is probably way too big -static THD_WORKING_AREA(serialThreadStack, 1024); -static THD_FUNCTION(serialThread, arg) { - (void)arg; - event_listener_t new_data_listener; - event_listener_t sd1_listener; - event_listener_t sd2_listener; - chEvtRegister(&new_data_event, &new_data_listener, 0); - eventflags_t events = CHN_INPUT_AVAILABLE | SD_PARITY_ERROR | SD_FRAMING_ERROR | SD_OVERRUN_ERROR | SD_NOISE_ERROR | SD_BREAK_DETECTED; - chEvtRegisterMaskWithFlags(chnGetEventSource(&SD1), &sd1_listener, EVENT_MASK(1), events); - chEvtRegisterMaskWithFlags(chnGetEventSource(&SD2), &sd2_listener, EVENT_MASK(2), events); - bool need_wait = false; - while (true) { - eventflags_t flags1 = 0; - eventflags_t flags2 = 0; - if (need_wait) { - eventmask_t mask = chEvtWaitAnyTimeout(ALL_EVENTS, TIME_MS2I(1000)); - if (mask & EVENT_MASK(1)) { - flags1 = chEvtGetAndClearFlags(&sd1_listener); - print_error("DOWNLINK", flags1, &SD1); - } - if (mask & EVENT_MASK(2)) { - flags2 = chEvtGetAndClearFlags(&sd2_listener); - print_error("UPLINK", flags2, &SD2); - } - } - - // Always stay as master, even if the USB goes into sleep mode - is_master |= usbGetDriverStateI(&USBD1) == USB_ACTIVE; - router_set_master(is_master); - - need_wait = true; - need_wait &= read_from_serial(&SD2, UP_LINK) == 0; - need_wait &= read_from_serial(&SD1, DOWN_LINK) == 0; - update_transport(); - } -} - -void send_data(uint8_t link, const uint8_t* data, uint16_t size) { - if (link == DOWN_LINK) { - sdWrite(&SD1, data, size); - } else { - sdWrite(&SD2, data, size); - } -} - -static systime_t last_update = 0; - -typedef struct { - matrix_row_t rows[MATRIX_ROWS]; -} matrix_object_t; - -static matrix_object_t last_matrix = {}; - -SLAVE_TO_MASTER_OBJECT(keyboard_matrix, matrix_object_t); -MASTER_TO_ALL_SLAVES_OBJECT(serial_link_connected, bool); -#ifndef DISABLE_SYNC_TIMER -MASTER_TO_ALL_SLAVES_OBJECT(sync_timer, uint32_t); -#endif - -static remote_object_t* remote_objects[] = { - REMOTE_OBJECT(serial_link_connected), - REMOTE_OBJECT(keyboard_matrix), -#ifndef DISABLE_SYNC_TIMER - REMOTE_OBJECT(sync_timer), -#endif -}; - -void init_serial_link(void) { - serial_link_connected = false; - init_serial_link_hal(); - add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*)); - init_byte_stuffer(); - sdStart(&SD1, &config); - sdStart(&SD2, &config); - chEvtObjectInit(&new_data_event); - (void)chThdCreateStatic(serialThreadStack, sizeof(serialThreadStack), SERIAL_LINK_THREAD_PRIORITY, serialThread, NULL); -} - -void matrix_set_remote(matrix_row_t* rows, uint8_t index); - -void serial_link_update(void) { - if (read_serial_link_connected()) { - serial_link_connected = true; - } - - matrix_object_t matrix; - bool changed = false; - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix.rows[i] = matrix_get_row(i); - changed |= matrix.rows[i] != last_matrix.rows[i]; - } - - systime_t current_time = chVTGetSystemTimeX(); - systime_t delta = current_time - last_update; - if (changed || delta > TIME_US2I(5000)) { - last_update = current_time; - last_matrix = matrix; - matrix_object_t* m = begin_write_keyboard_matrix(); - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - m->rows[i] = matrix.rows[i]; - } - end_write_keyboard_matrix(); - - *begin_write_serial_link_connected() = true; - end_write_serial_link_connected(); - -#ifndef DISABLE_SYNC_TIMER - *begin_write_sync_timer() = sync_timer_read32() + SYNC_TIMER_OFFSET; - end_write_sync_timer(); -#endif - } - - matrix_object_t* m = read_keyboard_matrix(0); - if (m) { - matrix_set_remote(m->rows, 0); - } - -#ifndef DISABLE_SYNC_TIMER - uint32_t* t = read_sync_timer(); - if (t) { - sync_timer_update(*t); - } -#endif -} - -void signal_data_written(void) { chEvtBroadcast(&new_data_event); } - -bool is_serial_link_connected(void) { return serial_link_connected; } - -host_driver_t* get_serial_link_driver(void) { return &serial_driver; } - -// NOTE: The driver does nothing, because the master handles everything -uint8_t keyboard_leds(void) { return 0; } - -void send_keyboard(report_keyboard_t* report) { (void)report; } - -void send_mouse(report_mouse_t* report) { (void)report; } - -void send_system(uint16_t data) { (void)data; } - -void send_consumer(uint16_t data) { (void)data; } |