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| status_code_t | ngc_read_name (char *line, uint_fast8_t *pos, char *buffer) |
| | Reads the name of a parameter out of the line starting at the index given by the pos offset. More...
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| status_code_t | ngc_read_real_value (char *line, uint_fast8_t *pos, float *value) |
| | Reads a real value out of the line, starting at the index given by the pos offset. The value may be a number, a parameter value, a unary function, or an expression. It calls one of four other readers, depending upon the first character. More...
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| status_code_t | ngc_read_integer_value (char *line, uint_fast8_t *pos, int32_t *value) |
| | Reads an integer (positive, negative or zero) out of the line, starting at the index given by the pos offset. The value being read may be written with a decimal point or it may be an expression involving non-integers, as long as the result comes out within 0.0001 of an integer. More...
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| status_code_t | ngc_read_integer_unsigned (char *line, uint_fast8_t *pos, uint32_t *value) |
| | Reads explicit unsigned (positive) integer out of the line, starting at the index given by the pos offset. It expects to find one or more digits. Any character other than a digit terminates reading the integer. Note that if the first character is a sign (+ or -), an error will be reported (since a sign is not a digit). More...
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| status_code_t | ngc_read_parameter (char *line, uint_fast8_t *pos, float *value, bool check) |
| | Reads the value out of a parameter of the line, starting at the index given by the pos offset. More...
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| status_code_t | ngc_eval_expression (char *line, uint_fast8_t *pos, float *value) |
| | Evaluate expression and set result if successful. More...
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| char * | ngc_substitute_parameters (char *line) |
| | Substitute references to parameters in a string with their values. More...
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| char * | ngc_process_comment (char *comment) |
| | Process gcode comment string. Returns string with substituted parameter references if starts with DEBUG, or PRINT, NULL if not. More...
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| status_code_t ngc_read_integer_value |
( |
char * |
line, |
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uint_fast8_t * |
pos, |
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int32_t * |
value |
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) |
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Reads an integer (positive, negative or zero) out of the line, starting at the index given by the pos offset. The value being read may be written with a decimal point or it may be an expression involving non-integers, as long as the result comes out within 0.0001 of an integer.
This proceeds by calling read_real_value and checking that it is close to an integer, then returning the integer it is close to.
- Parameters
-
| line | pointer to RS274/NGC code (block). |
| pos | offset into line where expression starts. |
| value | pointer to integer where result is to be stored. |
- Returns
- Status_OK enum value if processed without error, appropriate status_code_t enum value if not.
| status_code_t ngc_read_parameter |
( |
char * |
line, |
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uint_fast8_t * |
pos, |
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float * |
value, |
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bool |
check |
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) |
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Reads the value out of a parameter of the line, starting at the index given by the pos offset.
According to the RS274/NGC manual [NCMS, p. 62], the characters following
may be any "parameter expression". Thus, the following are legal
and mean the same thing (the value of the parameter whose number is stored in parameter 2):
2
#[#2]
Parameter setting is done in parallel, not sequentially. For example if #1 is 5 before the line "#1=10 #2=#1" is read, then after the line is is executed, #1 is 10 and #2 is 5. If parameter setting were done sequentially, the value of #2 would be 10 after the line was executed.
- Parameters
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| line | pointer to RS274/NGC code (block). |
| pos | offset into line where expression starts. |
| value | pointer to float where result is to be stored. |
- Returns
- Status_OK enum value if processed without error, appropriate status_code_t enum value if not.
1.9.1