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scpi_parser
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removed junk, improved readme

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Ondřej Hruška 9 years ago
parent f79c3a2a91
commit 9a55f11345
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  1. 8
      Makefile
  2. 63
      README.md
  3. 2
      example.c
  4. 264
      scpi.pro.user

8
Makefile
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@ -1,4 +1,4 @@
SRC = main.c SRC = example.c
SRC+= source/scpi_parser.c SRC+= source/scpi_parser.c
SRC+= source/scpi_regs.c SRC+= source/scpi_regs.c
SRC+= source/scpi_builtins.c SRC+= source/scpi_builtins.c
@ -16,14 +16,12 @@ CFLAGS += -Wredundant-decls -Wfloat-equal -Wsign-compare -Wunused-function
all: $(SRC) $(HDRS) all: $(SRC) $(HDRS)
gcc $(CFLAGS) $(SRC) -o main.elf gcc $(CFLAGS) $(SRC) -o example.elf
run: all run: all
./main.elf ./example.elf
clean: clean:
rm -f *.o *.d *.so *.elf *.bin *.hex rm -f *.o *.d *.so *.elf *.bin *.hex
cd source cd source
rm -f *.o *.d *.so *.elf *.bin *.hex rm -f *.o *.d *.so *.elf *.bin *.hex

63
README.md
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@ -18,13 +18,70 @@ The implementation is not 100% complete, but it's sufficient for basic SCPI comm
Built-in commands can be overriden in user command array. Built-in commands can be overriden in user command array.
## How to use
See main.c for example of how to use the library. See main.c for example of how to use the library.
Here's an overview of stubs you have to implement (at the time of writingthis readme):
```c
#include "scpi_parser.h"
const SCPI_error_desc scpi_user_errors[] = {
{10, "Custom error"}, // add your custom errors here
{/*END*/}
};
void scpi_send_byte_impl(uint8_t b)
{
// send the byte to master (over UART?)
}
const char *scpi_device_identifier(void)
{
// fill in your device info
// possible to eg. read a serial # from EEPROM
return "<manufacturer>,<product>,<serial#>,<version>";
}
/* OPTIONAL callback */
void scpi_service_request_impl(void)
{
// called when the SRQ flag in Status Byte is set.
// device should somehow send the request to master
// (can be left unimplemented)
}
/* Custom commands */
const SCPI_command_t scpi_commands[] = {
{
.levels = {"APPLy", "SINe"},
.params = {SCPI_DT_INT, SCPI_DT_FLOAT, SCPI_DT_FLOAT},
.callback = cmd_APPL_SIN_cb
},
{
.levels = {"DISPlay", "TEXT"},
.params = {SCPI_DT_STRING},
.callback = cmd_DISP_TEXT_cb // <-- your callback function
},
{
.levels = {"DATA", "BLOB"},
.params = {SCPI_DT_BLOB},
.callback = cmd_DATA_BLOB_cb, // <-- command callback
.blob_chunk = 4,
.blob_callback = cmd_DATA_BLOB_data // <-- data callback
},
{/*END*/}
};
// See the header files for more info.
```
## What is missing ## What is missing
- <s>Setting error type flags in the ESR when error is added to queue</s>
- <s>There may be some bugs in the status registers (not tested much)</s>
- <s>Character data argument ("string without quotes", enum-like)</s>
- Number units and metric suffixes (k,M,G,m,u,n) - Number units and metric suffixes (k,M,G,m,u,n)
- DEF, MIN, MAX, INF, NINF argument values for numbers - DEF, MIN, MAX, INF, NINF argument values for numbers

2
main.c → example.c
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@ -105,7 +105,7 @@ void cmd_USRERR_cb(const SCPI_argval_t *args)
void cmd_CHARD_cb(const SCPI_argval_t *args) void cmd_CHARD_cb(const SCPI_argval_t *args)
{ {
printf("CHARData cb: %s, arg2 = %d", args[0].CHARDATA, args[1].INT); printf("CHARData cb: %s, arg2 = %d\n", args[0].CHARDATA, args[1].INT);
} }

264
scpi.pro.user
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@ -1,264 +0,0 @@
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