44 lines
799 B
C
44 lines
799 B
C
/*
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* Karl Palsson <karlp@tweak.net.au> Oct 2017
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* Considered to be available under your choice of:
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* BSD2 clause, Apache2, MIT, X11 or ISC licenses
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*/
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#pragma once
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#include <stdint.h>
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#include <libopencm3/stm32/usart.h>
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struct ub_hw {
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/** usart itself, eg USART2 */
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uint32_t uart;
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/** RCC_xxx flag for this usart, eg RCC_USART2 */
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uint32_t uart_rcc;
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/** eg NVIC_USART2_IRQ */
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uint32_t uart_nvic;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Initialise the uart itself.
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* gpios are required to have been already configured as needed
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* @param ub
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*/
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void ub_init(struct ub_hw *ub);
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/**
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* Call this, it will "do stuff"
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*/
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void ub_task(void);
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/**
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* Call this from your board irq handler, it will "do the right thing"
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*/
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void ub_irq_handler(void);
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#ifdef __cplusplus
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}
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#endif
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