make vendor_read_* API() is only available when CFG_TUD_VENDOR_RX_BUFSIZE > 0

vendor_write_flush() and write_available()  only available when  CFG_TUD_VENDOR_TX_BUFSIZE > 0

2 files changed, 13 insertions, 2 deletions

diff --git a/src/class/vendor/vendor_device.c b/src/class/vendor/vendor_device.c
index bb736aba8..d468bd0ba 100644
--- a/src/class/vendor/vendor_device.c
+++ b/src/class/vendor/vendor_device.c
@@ -103,6 +103,7 @@ bool tud_vendor_n_mounted(uint8_t idx) {
 //--------------------------------------------------------------------+
 // Read API
 //--------------------------------------------------------------------+
+#if CFG_TUD_VENDOR_RX_BUFSIZE > 0
 uint32_t tud_vendor_n_available(uint8_t idx) {
   TU_VERIFY(idx < CFG_TUD_VENDOR, 0);
   vendord_interface_t *p_itf = &_vendord_itf[idx];
@@ -133,6 +134,7 @@ void tud_vendor_n_read_flush(uint8_t idx) {
   tu_edpt_stream_clear(&p_itf->stream.rx);
   tu_edpt_stream_read_xfer(p_itf->rhport, &p_itf->stream.rx);
 }
+#endif
 
 //--------------------------------------------------------------------+
 // Write API
@@ -143,6 +145,7 @@ uint32_t tud_vendor_n_write(uint8_t idx, const void *buffer, uint32_t bufsize) {
   return tu_edpt_stream_write(p_itf->rhport, &p_itf->stream.tx, buffer, (uint16_t)bufsize);
 }
 
+#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
 uint32_t tud_vendor_n_write_flush(uint8_t idx) {
   TU_VERIFY(idx < CFG_TUD_VENDOR, 0);
   vendord_interface_t *p_itf = &_vendord_itf[idx];
@@ -154,6 +157,7 @@ uint32_t tud_vendor_n_write_available(uint8_t idx) {
   vendord_interface_t *p_itf = &_vendord_itf[idx];
   return tu_edpt_stream_write_available(p_itf->rhport, &p_itf->stream.tx);
 }
+#endif
 
 //--------------------------------------------------------------------+
 // USBD Driver API
diff --git a/src/class/vendor/vendor_device.h b/src/class/vendor/vendor_device.h
index 05de84f20..daf9c19cf 100644
--- a/src/class/vendor/vendor_device.h
+++ b/src/class/vendor/vendor_device.h
@@ -51,16 +51,21 @@ extern "C" {
 // Application API (Multiple Interfaces) i.e CFG_TUD_VENDOR > 1
 //--------------------------------------------------------------------+
 bool     tud_vendor_n_mounted(uint8_t idx);
+
+#if CFG_TUD_VENDOR_RX_BUFSIZE > 0
 uint32_t tud_vendor_n_available(uint8_t idx);
 bool     tud_vendor_n_peek(uint8_t idx, uint8_t *ui8);
-
 uint32_t tud_vendor_n_read(uint8_t idx, void *buffer, uint32_t bufsize);
 uint32_t tud_vendor_n_read_discard(uint8_t idx, uint32_t count);
 void     tud_vendor_n_read_flush(uint8_t idx);
+#endif
 
 uint32_t tud_vendor_n_write(uint8_t idx, const void *buffer, uint32_t bufsize);
+
+#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
 uint32_t tud_vendor_n_write_flush(uint8_t idx);
 uint32_t tud_vendor_n_write_available(uint8_t idx);
+#endif
 
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_n_write_str(uint8_t idx, const char *str) {
   return tud_vendor_n_write(idx, str, strlen(str));
@@ -76,6 +81,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool tud_vendor_mounted(void) {
   return tud_vendor_n_mounted(0);
 }
 
+#if CFG_TUD_VENDOR_RX_BUFSIZE > 0
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_available(void) {
   return tud_vendor_n_available(0);
 }
@@ -95,6 +101,7 @@ TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_read_discard(uint32_t co
 TU_ATTR_ALWAYS_INLINE static inline void tud_vendor_read_flush(void) {
   tud_vendor_n_read_flush(0);
 }
+#endif
 
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_write(const void *buffer, uint32_t bufsize) {
   return tud_vendor_n_write(0, buffer, bufsize);
@@ -104,11 +111,11 @@ TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_write_str(const char *st
   return tud_vendor_n_write_str(0, str);
 }
 
+#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_write_flush(void) {
   return tud_vendor_n_write_flush(0);
 }
 
-#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_vendor_write_available(void) {
   return tud_vendor_n_write_available(0);
 }