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qrcode default version increased

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This commit is contained in:
marsman7 2024-03-14 19:45:53 +01:00
parent 053f1f91c8
commit 3f4e79a195
2 changed files with 24 additions and 3 deletions
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9
lib/lv_lib_qrcode/lv_qrcode.c
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@ -119,6 +119,8 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
lv_canvas_fill_bg(qrcode, c, 0);
// lv_canvas_zoom();
LV_LOG_INFO("Update QR-code text with length : %d", data_len);
if(data_len > qrcodegen_BUFFER_LEN_MAX) return LV_RES_INV;
uint8_t qr0[qrcodegen_BUFFER_LEN_MAX];
@ -128,7 +130,10 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
bool ok = qrcodegen_encodeBinary(data_tmp, data_len, qr0, qrcodegen_Ecc_MEDIUM, qrcodegen_VERSION_MIN,
qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true);
if(!ok) return LV_RES_INV;
if(!ok) {
LV_LOG_WARN("QR-code encoding error");
return LV_RES_INV;
}
lv_coord_t obj_w = lv_obj_get_width(qrcode);
int qr_size = qrcodegen_getSize(qr0); // Number of vertical QR blocks
@ -136,6 +141,8 @@ lv_res_t lv_qrcode_update(lv_obj_t* qrcode, const void* data, uint32_t data_len)
int scaled = qr_size * scale;
int margin = (obj_w - scaled) / 2;
LV_LOG_INFO("Update QR-code data : obj_w[%d] QR moduls[%d] scale factor[%d]", obj_w, qr_size, scale);
/*Expand the qr encodet binary to canvas size*/
for(int y = 0; y < scaled; y++) {
for(int x = 0; x < scaled; x++) {

18
lib/lv_lib_qrcode/qrcodegen.h
View File

@ -122,8 +122,22 @@ struct qrcodegen_Segment
/*---- Macro constants and functions ----*/
#define qrcodegen_VERSION_MIN 1 // The minimum version number supported in the QR Code Model 2 standard
#define qrcodegen_VERSION_MAX 3 // The maximum version number supported in the QR Code Model 2 standard
/* Version number supported in the QR Code Model 2 standard
* higher version numbers can process longer texts but require more memory and computing time.
*
* VERSION_MAX = 3 : max text length to encode 42 alphanumeric characters
* VERSION_MAX = 5 : max text length to encode 85 alphanumeric characters
* VERSION_MAX = 7 : max text length to encode 122 alphanumeric characters
* VERSION_MAX = 9 : max text length to encode 180 alphanumeric characters
* VERSION_MAX = 11 : max text length to encode 251 alphanumeric characters
* VERSION_MAX = 15 : max text length to encode 412 alphanumeric characters
* and so on
* VERSION_MAX = 25 : openHASP restarts on qrcode update
*/
#define qrcodegen_VERSION_MIN 1 // The minimum version number
#ifndef qrcodegen_VERSION_MAX
#define qrcodegen_VERSION_MAX 7 // The maximum version number
#endif
// Calculates the number of bytes needed to store any QR Code up to and including the given version number,
// as a compile-time constant. For example, 'uint8_t buffer[qrcodegen_BUFFER_LEN_FOR_VERSION(25)];'