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Use standard functions and different empty strings

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This commit is contained in:
lucianom
2020-03-04 21:53:49 +00:00
parent ee1feb6c48
commit 09a81f5c1f
2 changed files with 40 additions and 35 deletions
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19
lib_xua/src/core/endpoint0/xua_endpoint0.c
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@@ -231,24 +231,15 @@ void XUA_Endpoint0_setVendorId(unsigned short vid) {
}
void concatenateAndCopyStrings(char* string1, char* string2, char* string_buffer) {
uint32_t string_size = MIN(strlen(string1), XUA_MAX_STR_LEN-1);
memset(string_buffer, 0, XUA_MAX_STR_LEN);
memcpy(string_buffer, string1, string_size);
if (string_size==XUA_MAX_STR_LEN-1) {
string_buffer[XUA_MAX_STR_LEN-1] = '\0';
return;
}
uint32_t remaining_buffer_size = MIN(strlen(string1), XUA_MAX_STR_LEN-1);
strncpy(string_buffer, string1, remaining_buffer_size);
uint32_t total_string_size = MIN(strlen(string1)+strlen(string2), XUA_MAX_STR_LEN-1);
if (total_string_size==XUA_MAX_STR_LEN-1) {
string_size = XUA_MAX_STR_LEN-1-strlen(string1);
remaining_buffer_size = XUA_MAX_STR_LEN-1-strlen(string1);
} else {
string_size = strlen(string1);
remaining_buffer_size = strlen(string1);
}
memcpy(string_buffer+strlen(string1), string2, string_size);
string_buffer[total_string_size] = '\0';
strncat(string_buffer, string2, remaining_buffer_size);
}
void XUA_Endpoint0_setStrTable() {

56
lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
View File

@@ -28,8 +28,22 @@
#define STR_TABLE_ENTRY(name) char * name
// XUA_DESCR_EMPTY_STRING is used in the g_strTable to set the maximum size of the table entries
#define XUA_DESCR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
// The empty strings below are used in the g_strTable to set the maximum size of the table entries
#define XUA_VENDOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_PRODUCT_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_OUTPUT_INTERFACE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_INPUT_INTERFACE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_INPUT_TERM_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_OUTPUT_TERM_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_CLOCK_SELECTOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_INTERNAL_CLOCK_SELECTOR_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_SPDIF_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_ADAT_CLOCK_SOURCE_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_DFU_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_CTRL_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_MIDI_OUT_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
#define XUA_MIDI_IN_EMPTY_STRING "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
// The value below must match the length of XUA_DESCR_EMPTY_STRING.
#define XUA_MAX_STR_LEN (32)
@@ -322,42 +336,42 @@ typedef struct
StringDescTable_t g_strTable =
{
.langID = "\x09\x04", /* US English */
.vendorStr = XUA_DESCR_EMPTY_STRING,//VENDOR_STR,
.vendorStr = XUA_VENDOR_EMPTY_STRING,
.serialStr = "",
#if (AUDIO_CLASS == 2)
.productStr_Audio2 = XUA_DESCR_EMPTY_STRING,
.outputInterfaceStr_Audio2 = XUA_DESCR_EMPTY_STRING,
.inputInterfaceStr_Audio2 = XUA_DESCR_EMPTY_STRING,
.usbInputTermStr_Audio2 = XUA_DESCR_EMPTY_STRING,
.usbOutputTermStr_Audio2 = XUA_DESCR_EMPTY_STRING,
.productStr_Audio2 = XUA_PRODUCT_EMPTY_STRING,
.outputInterfaceStr_Audio2 = XUA_OUTPUT_INTERFACE_EMPTY_STRING,
.inputInterfaceStr_Audio2 = XUA_INPUT_INTERFACE_EMPTY_STRING,
.usbInputTermStr_Audio2 = XUA_INPUT_TERM_EMPTY_STRING,
.usbOutputTermStr_Audio2 = XUA_OUTPUT_TERM_EMPTY_STRING,
#endif
#if (AUDIO_CLASS_FALLBACK) || (AUDIO_CLASS == 1)
.productStr_Audio1 = XUA_DESCR_EMPTY_STRING,
.outputInterfaceStr_Audio1 = XUA_DESCR_EMPTY_STRING,
.inputInterfaceStr_Audio1 = XUA_DESCR_EMPTY_STRING,
.usbInputTermStr_Audio1 = XUA_DESCR_EMPTY_STRING,
.usbOutputTermStr_Audio1 = XUA_DESCR_EMPTY_STRING,
.productStr_Audio1 = XUA_PRODUCT_EMPTY_STRING,
.outputInterfaceStr_Audio1 = XUA_OUTPUT_INTERFACE_EMPTY_STRING,
.inputInterfaceStr_Audio1 = XUA_INPUT_INTERFACE_EMPTY_STRING,
.usbInputTermStr_Audio1 = XUA_INPUT_TERM_EMPTY_STRING,
.usbOutputTermStr_Audio1 = XUA_OUTPUT_TERM_EMPTY_STRING,
#endif
#if (AUDIO_CLASS == 2)
.clockSelectorStr = XUA_DESCR_EMPTY_STRING,
.internalClockSourceStr = XUA_DESCR_EMPTY_STRING,
.clockSelectorStr = XUA_CLOCK_SELECTOR_EMPTY_STRING,
.internalClockSourceStr = XUA_INTERNAL_CLOCK_SELECTOR_EMPTY_STRING,
#if SPDIF_RX
.spdifClockSourceStr = XUA_DESCR_EMPTY_STRING,
.spdifClockSourceStr = XUA_SPDIF_CLOCK_SOURCE_EMPTY_STRING,
#endif
#if ADAT_RX
.adatClockSourceStr = XUA_DESCR_EMPTY_STRING,
.adatClockSourceStr = XUA_ADAT_CLOCK_SOURCE_EMPTY_STRING,
#endif
#endif
#if (XUA_DFU_EN == 1)
.dfuStr = XUA_DESCR_EMPTY_STRING,
.dfuStr = XUA_DFU_EMPTY_STRING,
#endif
#ifdef USB_CONTROL_DESCS
.ctrlStr = XUA_DESCR_EMPTY_STRING,
.ctrlStr = XUA_CTRL_EMPTY_STRING,
#endif
#ifdef MIDI
.midiOutStr = XUA_DESCR_EMPTY_STRING,
.midiInStr = XUA_DESCR_EMPTY_STRING,
.midiOutStr = XUA_MIDI_OUT_EMPTY_STRING,
.midiInStr = XUA_MIDI_IN_EMPTY_STRING,
#endif
#include "chanstrings.h"