66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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/*
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* stm32_uart.h
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*
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* Created on: Jul 24, 2016
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* Author: tkl
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*/
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#ifndef SOURCE_FIRMWARE_ARCH_STM32F4XX_DRIVER_UART_STM32_UART_H_
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#define SOURCE_FIRMWARE_ARCH_STM32F4XX_DRIVER_UART_STM32_UART_H_
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#include "driver.h"
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#include "uart.h"
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//! \brief Stm32f4 uart device.
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struct stm32f4_uart {
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const GPIO_InitTypeDef *gpio_init;
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GPIO_TypeDef *gpio_port;
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uint8_t pin_src_rx;
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uint8_t pin_src_tx;
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const USART_InitTypeDef *usart_init;
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USART_TypeDef *usart_port;
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uint16_t usart_it_select;
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const NVIC_InitTypeDef *nvic_init;
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};
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//! \brief Open an uart device.
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//! \param this The uart to open.
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//! \retval -1 in error case.
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int stm32f4_uart_open(const void *this);
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//! \brief Close an uart device.
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//! \param this The uart to close.
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//! \retval -1 in error case.
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int stm32f4_uart_close(const void *this);
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//! \brief Read from an uart device.
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//! \param this The uart to read from.
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//! \param buffer The buffer to read to.
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//! \param len The length of the buffer.
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//! \retval -1 in error case, otherwise number of read characters.
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int stm32f4_uart_read(const void *this, char *buffer, int len);
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//! \brief Write to an uart device.
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//! \param this The uart to write to.
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//! \param buffer The buffer to write.
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//! \param len The number of characters to write.
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//! \retval -1 in error case, otherwise number of written characters.
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int stm32f4_uart_write(const void *this, const char *buffer, int len);
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//! \brief Set a callback for interrupt handling of the uart.
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//! \param this The uart.
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//! \param callback The callback to execute in interrupt case.
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//! \param param The argument for the callback.
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//! \retval -1 in error case.
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int stm32f4_uart_set_cb(const void *this, const void *callback, const void *param);
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static const struct uart_fp stm32f4_uart_fp = {
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stm32f4_uart_open,
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stm32f4_uart_close,
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stm32f4_uart_read,
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stm32f4_uart_write,
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stm32f4_uart_set_cb
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};
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#endif /* SOURCE_FIRMWARE_ARCH_STM32F4XX_DRIVER_UART_STM32_UART_H_ */
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