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122 lines
3.6 KiB
122 lines
3.6 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "../../../../inc/MarlinConfigPre.h"
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#if HAS_TFT_LVGL_UI
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#include "tft_lvgl_configuration.h"
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#if ENABLED(USE_WIFI_FUNCTION)
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#include "draw_ui.h"
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#include "wifiSerial.h"
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#include <libmaple/libmaple.h>
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#include <libmaple/gpio.h>
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#include <libmaple/timer.h>
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#include <libmaple/usart.h>
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#include <libmaple/ring_buffer.h>
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#include "../../../../MarlinCore.h"
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DEFINE_WFSERIAL(WifiSerial1, 1);
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WifiSerial::WifiSerial(usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) {
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this->usart_device = usart_device;
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this->tx_pin = tx_pin;
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this->rx_pin = rx_pin;
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}
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/**
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* Set up / tear down
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*/
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#if STM32_MCU_SERIES == STM32_SERIES_F1
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/* F1 MCUs have no GPIO_AFR[HL], so turn off PWM if there's a conflict
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* on this GPIO bit. */
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static void disable_timer_if_necessary(timer_dev *dev, uint8 ch) {
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if (dev != nullptr) timer_set_mode(dev, ch, TIMER_DISABLED);
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}
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#elif STM32_MCU_SERIES == STM32_SERIES_F2 || STM32_MCU_SERIES == STM32_SERIES_F4
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#define disable_timer_if_necessary(dev, ch) ((void)0)
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#else
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#warning "Unsupported STM32 series; timer conflicts are possible"
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#endif
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void WifiSerial::begin(uint32 baud) { begin(baud, SERIAL_8N1); }
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/**
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* Roger Clark.
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* Note. The config parameter is not currently used. This is a work in progress.
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* Code needs to be written to set the config of the hardware serial control register in question.
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*/
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void WifiSerial::begin(uint32 baud, uint8_t config) {
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//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
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if (baud > this->usart_device->max_baud) return;
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const stm32_pin_info *txi = &PIN_MAP[this->tx_pin],
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*rxi = &PIN_MAP[this->rx_pin];
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disable_timer_if_necessary(txi->timer_device, txi->timer_channel);
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usart_init(this->usart_device);
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// Reinitialize the receive buffer, mks_esp8266 fixed data frame length is 1k bytes
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rb_init(this->usart_device->rb, WIFI_RX_BUF_SIZE, wifiRxBuf);
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usart_config_gpios_async(this->usart_device,
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rxi->gpio_device, rxi->gpio_bit,
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txi->gpio_device, txi->gpio_bit,
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config);
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usart_set_baud_rate(this->usart_device, USART_USE_PCLK, baud);
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usart_enable(this->usart_device);
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}
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void WifiSerial::end(void) {
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usart_disable(this->usart_device);
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}
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int WifiSerial::available(void) {
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return usart_data_available(this->usart_device);
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}
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//
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// I/O
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//
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int WifiSerial::read(void) {
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if (usart_data_available(usart_device) <= 0) return -1;
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return usart_getc(usart_device);
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}
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int WifiSerial::write(unsigned char ch) {
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usart_putc(this->usart_device, ch);
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return 1;
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}
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int WifiSerial::wifi_rb_is_full(void) {
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return rb_is_full(this->usart_device->rb);
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}
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#endif // USE_WIFI_FUNCTION
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#endif // HAS_TFT_LVGL_UI
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