diff --git a/src/tusb.c b/src/tusb.c index 13b89997c..5a3ea356b 100644 --- a/src/tusb.c +++ b/src/tusb.c @@ -136,6 +136,29 @@ void tusb_int_handler(uint8_t rhport, bool in_isr) { #endif } +bool tusb_deinit(uint8_t rhport) { + TU_VERIFY(rhport < TUP_USBIP_CONTROLLER_NUM); + bool ret = false; + + #if CFG_TUD_ENABLED + if (_tusb_rhport_role[rhport] == TUSB_ROLE_DEVICE) { + TU_ASSERT(tud_deinit(rhport)); + _tusb_rhport_role[rhport] = TUSB_ROLE_INVALID; + ret = true; + } + #endif + + #if CFG_TUH_ENABLED + if (_tusb_rhport_role[rhport] == TUSB_ROLE_HOST) { + TU_ASSERT(tuh_deinit(rhport)); + _tusb_rhport_role[rhport] = TUSB_ROLE_INVALID; + ret = true; + } + #endif + + return ret; +} + //--------------------------------------------------------------------+ // Descriptor helper //--------------------------------------------------------------------+ diff --git a/src/tusb.h b/src/tusb.h index dfba21ddf..e794a8b0b 100644 --- a/src/tusb.h +++ b/src/tusb.h @@ -140,7 +140,7 @@ bool tusb_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init); // Initialize roothub port with device/host role // Note: when using with RTOS, this should be called after scheduler/kernel is started. -// Otherwise, it could cause kernel issue since USB IRQ handler does use RTOS queue API. +// Since USB IRQ handler does use RTOS queue API. // Note2: defined as macro for backward compatible with tusb_init(void), can be changed to function in the future. #if defined(TUD_OPT_RHPORT) || defined(TUH_OPT_RHPORT) #define _tusb_init_arg0() tusb_rhport_init(0, NULL) @@ -158,14 +158,15 @@ bool tusb_inited(void); // Called to handle usb interrupt/event. tusb_init(rhport, role) must be called before void tusb_int_handler(uint8_t rhport, bool in_isr); -// TODO -// bool tusb_teardown(void); +// Deinit usb stack on roothub port +bool tusb_deinit(uint8_t rhport); #else #define tusb_init(...) (false) #define tusb_int_handler(...) do {}while(0) #define tusb_inited() (false) +#define tusb_deinit(...) (false) #endif