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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * 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/>.
- *
- */
- #include "../../../../inc/MarlinConfigPre.h"
-
- #if HAS_TFT_LVGL_UI
-
- #include "tft_lvgl_configuration.h"
-
- #if ENABLED(USE_WIFI_FUNCTION)
-
- #include "draw_ui.h"
- #include "wifiSerial.h"
-
- #include <libmaple/libmaple.h>
- #include <libmaple/gpio.h>
- #include <libmaple/timer.h>
- #include <libmaple/usart.h>
- #include <libmaple/ring_buffer.h>
-
- #include "../../../../MarlinCore.h"
-
- DEFINE_WFSERIAL(WifiSerial1, 1);
-
- WifiSerial::WifiSerial(usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) {
- this->usart_device = usart_device;
- this->tx_pin = tx_pin;
- this->rx_pin = rx_pin;
- }
-
- /**
- * Set up / tear down
- */
- #if STM32_MCU_SERIES == STM32_SERIES_F1
- /* F1 MCUs have no GPIO_AFR[HL], so turn off PWM if there's a conflict
- * on this GPIO bit. */
- static void disable_timer_if_necessary(timer_dev *dev, uint8 ch) {
- if (dev != nullptr) timer_set_mode(dev, ch, TIMER_DISABLED);
- }
- #elif STM32_MCU_SERIES == STM32_SERIES_F2 || STM32_MCU_SERIES == STM32_SERIES_F4
- #define disable_timer_if_necessary(dev, ch) ((void)0)
- #else
- #warning "Unsupported STM32 series; timer conflicts are possible"
- #endif
-
- void WifiSerial::begin(uint32 baud) { begin(baud, SERIAL_8N1); }
-
- /**
- * Roger Clark.
- * Note. The config parameter is not currently used. This is a work in progress.
- * Code needs to be written to set the config of the hardware serial control register in question.
- */
-
- void WifiSerial::begin(uint32 baud, uint8_t config) {
- //ASSERT(baud <= this->usart_device->max_baud); // Roger Clark. Assert doesn't do anything useful, we may as well save the space in flash and ram etc
-
- if (baud > this->usart_device->max_baud) return;
-
- const stm32_pin_info *txi = &PIN_MAP[this->tx_pin],
- *rxi = &PIN_MAP[this->rx_pin];
-
- disable_timer_if_necessary(txi->timer_device, txi->timer_channel);
-
- usart_init(this->usart_device);
-
- // Reinitialize the receive buffer, mks_esp8266 fixed data frame length is 1k bytes
- rb_init(this->usart_device->rb, WIFI_RX_BUF_SIZE, wifiRxBuf);
-
- usart_config_gpios_async(this->usart_device,
- rxi->gpio_device, rxi->gpio_bit,
- txi->gpio_device, txi->gpio_bit,
- config);
- usart_set_baud_rate(this->usart_device, USART_USE_PCLK, baud);
- usart_enable(this->usart_device);
- }
-
- void WifiSerial::end(void) {
- usart_disable(this->usart_device);
- }
-
- int WifiSerial::available(void) {
- return usart_data_available(this->usart_device);
- }
-
- //
- // I/O
- //
-
- int WifiSerial::read(void) {
- if (usart_data_available(usart_device) <= 0) return -1;
- return usart_getc(usart_device);
- }
-
- int WifiSerial::write(unsigned char ch) {
- usart_putc(this->usart_device, ch);
- return 1;
- }
-
- int WifiSerial::wifi_rb_is_full(void) {
- return rb_is_full(this->usart_device->rb);
- }
-
- #endif // USE_WIFI_FUNCTION
- #endif // HAS_TFT_LVGL_UI
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