46 lines
1 KiB
C
46 lines
1 KiB
C
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#ifndef _SWC_UART_REPL_
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#define _SWC_UART_REPL_
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#include <stddef.h> /* size_t */
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#if 0
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/* in the future, maybe add support for special keys */
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enum uart_repl_special_key {
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UART_REPL_NONE,
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UART_REPL_UP,
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UART_REPL_DOWN,
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UART_REPL_RIGHT,
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UART_REPL_LEFT,
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};
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#endif
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typedef void (*uart_repl_handler)(char const *);
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struct serial_terminal_status {
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char line[80];
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unsigned int lineCursorPosition; // this is the index of the next character to be written
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unsigned int lineLength; // length of string total so far
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char lastReadChar;
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uart_repl_handler lineCb;
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enum uart_repl_ansi_parse_state {
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UART_REPL_ANSI_NONE = 0,
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UART_REPL_ANSI_JUST_ESCAPED,
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UART_REPL_ANSI_READ_CSI_PARAMETER_BYTES,
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UART_REPL_ANSI_READ_CSI_INTERMEDIATE_BYTES,
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UART_REPL_ANSI_READ_CSI_FINAL_BYTE,
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} state;
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struct {
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unsigned int parameter_n_bytes;
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unsigned int intermediate_n_bytes;
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char parameter_bytes[10];
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char intermediate_bytes[10];
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char final_byte;
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} csi_seq;
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};
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void uart_repl_task(void *);
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void uart_repl_init(uart_repl_handler);
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#endif /* ndef _SWC_UART_REPL_ */
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