66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* uart.h
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*
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* gunbox uart interface
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*
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* Copyright 2013 RPH Engineering, VPI Engineering
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*/
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#ifndef UART_H_
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#define UART_H_
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#include <stdint.h>
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enum Uarts
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{
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uart_uartNone,
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uart_uart1,
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uart_uart2,
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uart_uart3,
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};
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int uart_putChar(uint8_t uart, char c);
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// enqueue a char to a uart
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// returns 0 on success
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int uart_getChar(uint8_t uart, char* c);
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// dequeue a char from a uart and put it in *c
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// returns 0 on success
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int uart_write(uint8_t uart, uint8_t* buffer, uint8_t size);
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// write a buffer of data to a uart
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// return the number of bytes written
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int uart_read(uint8_t uart, uint8_t* buffer, uint8_t size);
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// try to read size bytes of data into buffer from a uart
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// return the number of bytes read
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void uart_init(uint8_t uart);
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// initialize specified uart
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void uart_deinit(uint8_t uart);
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// deinitialize specified uart
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void uart_enable(uint8_t uart);
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// enable a uart, enables rxne interrupt, does not set other config info
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void uart_disable(uint8_t uart);
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// disable a uart and the uart rxne and txe itnerrupts but leave registers setup
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void uart_purgeRxQueue(uint8_t uart);
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// purge the rx q for uart
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int uart_getRxQueueCount(uint8_t uart);
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// get the count for the rx q for uart
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int uart_queueHasChar(char c, uint8_t uart);
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// return true if the rx q contains c
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int uart_queueContains(char thingToFind[], int thingToFindLength, uint8_t);
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#endif /* UART_H_ */
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