proxmark3/armsrc/usart.h

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#ifndef __USART_H
#define __USART_H
#include "common.h"
#include "usart_defs.h"
#define USART_BUFFLEN 512
#define USART_FIFOLEN (2*USART_BUFFLEN)
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// Higher baudrates are pointless, only increasing overflow risk
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extern uint32_t usart_baudrate;
extern uint8_t usart_parity;
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void usart_init(uint32_t baudrate, uint8_t parity);
int usart_writebuffer_sync(uint8_t *data, size_t len);
uint32_t usart_read_ng(uint8_t *data, size_t len);
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uint16_t usart_rxdata_available(void);
#endif