AS-289R2 Thermal Printer shield control library
Dependents: AS-289R2_Hello-World AS-289R2_Hello-World-mbed-OS hybrid_image_as289r2 microbit_AS-289R2 ... more
Diff: AS289R2.h
- Revision:
- 2:ce25d0949cbd
- Parent:
- 0:982a7efb3ef0
- Child:
- 3:f3dfeb7ccb22
--- a/AS289R2.h Sun Sep 04 03:09:27 2016 +0000 +++ b/AS289R2.h Mon Sep 19 13:46:03 2016 +0000 @@ -162,14 +162,14 @@ * @param err QR code error correction level e.g. AS289R2::QR_ERR_LVL_M * @param buf Data to be printed */ - void printQRCode(uint32_t err, char* buf); + void printQRCode(uint32_t err, const char* buf); /** Print Bar code * * @param code Type of Bar code e.g. AS289R2::JAN13 * @param buf Data to be printed */ - void printBarCode(uint32_t code, char* param); + void printBarCode(uint32_t code, const char* param); /** Print bitmap image * @@ -177,7 +177,7 @@ * @param lines Number of print line * @param image Data to be printed */ - void printBitmapImage(uint32_t cmd, uint16_t lines, char * image); + void printBitmapImage(uint32_t cmd, uint16_t lines, const char * image); private: Serial *_serial_p;