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Cleaner solution to the PrinterHost data send routine problem of embedded NULLs - use a special structure to hold the data string plus the length in bytes of the data.

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This commit is contained in:
Dean Camera 2009-07-20 03:07:27 +00:00
parent 5d8cdd9bea
commit 4c035b14f1
3 changed files with 20 additions and 9 deletions
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9
Demos/Host/Incomplete/PrinterHost/Lib/PrinterCommands.h
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@ -53,8 +53,15 @@
/** Pipe number of the Printer data OUT pipe */
#define PRINTER_DATA_OUT_PIPE 2
/* Type Defines: */
typedef struct
{
char* Data;
uint16_t Length;
} Printer_Data_t;
/* Function Prototypes: */
uint8_t Printer_SendData(char* PrinterCommands, uint16_t DataLength);
uint8_t Printer_SendData(Printer_Data_t* PrinterCommands);
uint8_t Printer_GetDeviceID(char* DeviceIDString, uint8_t BufferSize);
uint8_t Printer_GetPortStatus(uint8_t* PortStatus);
uint8_t Printer_SoftReset(void);