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Add a USB mass storage disconnected callback #142

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Merged
merged 1 commit into from
Oct 2, 2023
Merged

Add a USB mass storage disconnected callback #142

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9 changes: 8 additions & 1 deletion libraries/UsbHostMsd/UsbHostMsd.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ extern "C" uint8_t usb_host_msd_get_lun_num();
extern "C" uint32_t usb_host_msd_get_num_of_blocks(uint8_t lun);
extern "C" uint32_t usb_host_msd_get_block_size(uint8_t lun);
extern "C" void usb_host_msd_attach_mnt_cbk(void (*fnc)(void));

extern "C" void usb_host_msd_attach_umnt_cbk(void (*fnc)(void));

/* -------------------------------------------------------------------------- */
/* CONSTRUCTOR */
Expand Down Expand Up @@ -224,4 +224,11 @@ const char *USBHostMSD::get_type() const {

bool USBHostMSD::attach_detected_callback(void (*cbk)()) {
usb_host_msd_attach_mnt_cbk(cbk);
return true;
}

bool USBHostMSD::attach_removed_callback(void (*cbk)()) {
usb_host_msd_attach_umnt_cbk(cbk);
return true;
}

1 change: 1 addition & 0 deletions libraries/UsbHostMsd/UsbHostMsd.h
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Expand Up @@ -47,6 +47,7 @@ class USBHostMSD : public BlockDevice {
virtual bool select_lun(uint8_t lun);
virtual uint8_t get_lun_num();
bool attach_detected_callback(void (*cbk)());
bool attach_removed_callback(void (*cbk)());

private:
uint8_t get_lun();
Expand Down
9 changes: 9 additions & 0 deletions libraries/UsbHostMsd/tu_msc.c
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Expand Up @@ -68,11 +68,16 @@ uint32_t usb_host_msd_get_block_size(uint8_t lun) {
}

static void (*mount_fnc)(void) = NULL;
static void (*unmount_fnc)(void) = NULL;

void usb_host_msd_attach_mnt_cbk(void (*fnc)(void)) {
mount_fnc = fnc;
}

void usb_host_msd_attach_umnt_cbk(void (*fnc)(void)) {
unmount_fnc = fnc;
}

//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
Expand Down Expand Up @@ -167,6 +172,10 @@ void tuh_msc_umount_cb(uint8_t dev_addr) {

device_address = -1;

if (unmount_fnc != NULL) {
unmount_fnc();
}

// uint8_t phy_disk = dev_addr-1;
//
// f_mount(phy_disk, NULL); // unmount disk
Expand Down