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add tud_descriptor_string_cb() for getting string descriptor from application

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- remove tud_desc_set.string_arr/string_count
This commit is contained in:
hathach
2019-05-11 16:31:08 +07:00
parent bfa073818c
commit de56a0ca89
8 changed files with 208 additions and 137 deletions
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src/device/usbd.h
+7 -6
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@@ -39,12 +39,8 @@
/// \brief Descriptor pointer collector to all the needed.
typedef struct {
void const * device; ///< pointer to device descriptor \ref tusb_desc_device_t
void const * config; ///< pointer to the whole configuration descriptor, starting by \ref tusb_desc_configuration_t
uint8_t const** string_arr; ///< a array of pointers to string descriptors
uint16_t string_count;
void const * device; ///< pointer to device descriptor \ref tusb_desc_device_t
void const * config; ///< pointer to the whole configuration descriptor, starting by \ref tusb_desc_configuration_t
uint8_t const* hid_report;
}tud_desc_set_t;
@@ -78,6 +74,11 @@ bool tud_remote_wakeup(void);
// Application Callbacks (WEAK is optional)
//--------------------------------------------------------------------+
// Invoked when received GET_STRING_DESC request
// max_char is CFG_TUD_ENDOINT0_SIZE/2 -1, typically max_char = 31 if Endpoint0 size is 64
// Return number of characters. Note usb string is in 16-bits unicode format
uint8_t tud_descriptor_string_cb(uint8_t index, uint16_t* desc, uint8_t max_char);
// Invoked when device is mounted (configured)
ATTR_WEAK void tud_mount_cb(void);