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58 lines
3.2 KiB
C
58 lines
3.2 KiB
C
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/*
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* pios_usart_config.h
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*
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* Created on: May 8, 2011
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* Author: Michael Smioth
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*/
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#ifndef PIOS_USART_CONFIG_H_
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#define PIOS_USART_CONFIG_H_
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/**
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* Generic USART configuration structure for an STM32F2xx port.
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*/
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#define USART_CONFIG(_usart, _baudrate, _rx_gpio, _rx_pin, _tx_gpio, _tx_pin) \
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{ \
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.regs = _usart, \
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.remap = GPIO_AF_ ## _usart, \
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.init = { \
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.USART_BaudRate = _baudrate, \
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.USART_WordLength = USART_WordLength_8b, \
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.USART_Parity = USART_Parity_No, \
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.USART_StopBits = USART_StopBits_1, \
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.USART_HardwareFlowControl = USART_HardwareFlowControl_None, \
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.USART_Mode = USART_Mode_Rx | USART_Mode_Tx, \
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}, \
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.irq = { \
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.handler = NULL, \
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.init = { \
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.NVIC_IRQChannel = _usart ## _IRQn, \
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.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH, \
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.NVIC_IRQChannelSubPriority = 0, \
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.NVIC_IRQChannelCmd = ENABLE, \
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}, \
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}, \
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.rx = { \
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.gpio = _rx_gpio, \
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.init = { \
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.GPIO_Pin = _rx_pin, \
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.GPIO_Mode = GPIO_Mode_AF, \
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.GPIO_Speed = GPIO_Speed_50MHz, \
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.GPIO_OType = GPIO_OType_PP, \
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.GPIO_PuPd = GPIO_PuPd_UP, \
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}, \
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}, \
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.tx = { \
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.gpio = _tx_gpio, \
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.init = { \
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.GPIO_Pin = _tx_pin, \
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.GPIO_Mode = GPIO_Mode_AF, \
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.GPIO_Speed = GPIO_Speed_50MHz, \
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.GPIO_OType = GPIO_OType_PP, \
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.GPIO_PuPd = GPIO_PuPd_UP, \
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}, \
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}, \
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}
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#endif /* PIOS_USART_CONFIG_H_ */
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