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33 lines
1.1 KiB
33 lines
1.1 KiB
#ifndef __UART_H__
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#define __UART_H__
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#include "uart_hw.h"
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// Receive callback function signature
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typedef void (*UartRecv_cb)(char *buf, short len);
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// Initialize UARTs to the provided baud rates (115200 recommended). This also makes the os_printf
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// calls use uart1 for output (for debugging purposes)
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void uart_init(uint32 conf0, UartBautRate uart0_br, UartBautRate uart1_br);
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// Transmit a buffer of characters on UART0
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void uart0_tx_buffer(char *buf, uint16 len);
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void uart0_write_char(char c);
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STATUS uart_tx_one_char(uint8 uart, uint8 c);
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void uart1_write_char(char c);
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// Add a receive callback function, this is called on the uart receive task each time a chunk
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// of bytes are received. A small number of callbacks can be added and they are all called
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// with all new characters.
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void uart_add_recv_cb(UartRecv_cb cb);
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// Turn UART interrupts off and poll for nchars or until timeout hits
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uint16_t uart0_rx_poll(char *buff, uint16_t nchars, uint32_t timeout_us);
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void uart0_baud(int rate);
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void uart0_config(uint8_t data_bits, uint8_t parity, uint8_t stop_bits);
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void uart_config(uint8 uart_no, UartBautRate baudrate, uint32 conf0);
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#endif /* __UART_H__ */
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