hm
fc10ef2e10
GD32F470ZGT6 based project with full peripheral support: - SDRAM (W9825G6KH) via EXMC - LCD NT35510 (480x800) via EXMC NOR/PSRAM - Flash (W25Q64) via SPI - UART (USART0) debug console - LED indicators - CMSIS-DAP debug interface - CMake + ARM GCC toolchain build system
44 lines
868 B
C++
44 lines
868 B
C++
#ifndef __UART_DRIVER_H__
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#define __UART_DRIVER_H__
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#include <cstdint>
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#include "bus_core.h"
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enum class UartPort : uint8_t {
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_0 = 0,
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_1, _2, _3, _4, _5, _6,
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MAX
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};
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struct UartConfig {
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uint32_t baudrate = 115200;
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uint8_t data_bits = 8;
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uint8_t stop_bits = 1;
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uint8_t parity = 0;
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};
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class UartBus {
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public:
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explicit UartBus(UartPort port);
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~UartBus();
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UartBus(const UartBus &) = delete;
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UartBus &operator=(const UartBus &) = delete;
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RetCode init(const UartConfig &config);
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RetCode deinit();
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RetCode send_byte(uint8_t data);
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RetCode send_data(const uint8_t *data, uint32_t len);
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RetCode receive_byte(uint8_t *data, uint32_t timeout_ms);
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RetCode irq_handler();
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static UartBus &default_instance();
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private:
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UartPort port_;
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UartConfig config_;
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bool initialized_ = false;
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};
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#endif
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