31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
#include <uart_stm32.hpp>
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hal::uart_stm32::uart_stm32(USART_TypeDef *inst)
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: instance_(inst)
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{
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}
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void hal::uart_stm32::init(std::uint32_t baudrate)
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{
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huart_.Instance = instance_;
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huart_.Init.BaudRate = baudrate;
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huart_.Init.WordLength = UART_WORDLENGTH_8B;
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huart_.Init.StopBits = UART_STOPBITS_1;
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huart_.Init.Parity = UART_PARITY_NONE;
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huart_.Init.Mode = UART_MODE_TX_RX;
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huart_.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart_.Init.OverSampling = UART_OVERSAMPLING_16;
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huart_.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart_.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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// TODO: add GPIO initialization for real hardware
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huart_.MspInitCallback = nullptr;
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HAL_UART_Init(&huart_);
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}
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void hal::uart_stm32::write_array(const char * ptr, std::size_t len)
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{
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// we must cast away costness due to ST HAL's API
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char * data_ptr = const_cast<char *>(ptr);
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HAL_UART_Transmit(&huart_, reinterpret_cast<uint8_t *>(data_ptr), len,
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HAL_MAX_DELAY);
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} |