76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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MIT License
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Copyright (c) 2016-2018, Alexey Dynda
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "ssd1306_uart_builtin.h"
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#include "intf/ssd1306_interface.h"
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#include "ssd1306_hal/io.h"
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#if defined(CONFIG_AVR_UART_AVAILABLE) && defined(CONFIG_AVR_UART_ENABLE)
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#include "ssd1306_uart.h"
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static void ssd1306_uartStart(void)
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{
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}
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static void ssd1306_uartStop(void)
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{
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uart_send_byte(0x7E);
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}
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static void ssd1306_uartSendByte(uint8_t data)
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{
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if ((data == 0x7E) || (data == 0x7D))
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{
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uart_send_byte(0x7D);
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data ^= 0x20;
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}
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uart_send_byte(data);
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}
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static void ssd1306_uartSendBytes(const uint8_t * buffer, uint16_t len)
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{
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while (len--)
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{
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ssd1306_uartSendByte(*buffer);
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buffer++;
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}
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}
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void ssd1306_uartInit_Builtin(uint32_t baud)
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{
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if (!baud) baud = 115200;
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uart_init(baud);
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ssd1306_intf.spi = 0;
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ssd1306_intf.start = ssd1306_uartStart;
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ssd1306_intf.stop = ssd1306_uartStop;
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ssd1306_intf.send = ssd1306_uartSendByte;
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ssd1306_intf.send_buffer = ssd1306_uartSendBytes;
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ssd1306_intf.close = ssd1306_uartStart;
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}
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#endif
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