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allow tusb_init() to call multiple times

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enhance nrf5x
This commit is contained in:
hathach 2018-07-05 00:23:47 +07:00
parent fc139b009f
commit 40de723d41
2 changed files with 28 additions and 14 deletions
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34
src/portable/nordic/nrf5x/hal_nrf5x.c
View File

@ -134,6 +134,12 @@ static void hfclk_disable(void)
*------------------------------------------------------------------*/ *------------------------------------------------------------------*/
bool tusb_hal_init(void) bool tusb_hal_init(void)
{ {
// TODO may move to application
// USB power may already be ready at this time -> no event generated
// We need to execute the handler based on the status
uint32_t usb_reg;
#ifdef SOFTDEVICE_PRESENT #ifdef SOFTDEVICE_PRESENT
if ( is_sd_enabled() ) if ( is_sd_enabled() )
{ {
@ -141,22 +147,22 @@ bool tusb_hal_init(void)
sd_power_usbpwrrdy_enable(true); sd_power_usbpwrrdy_enable(true);
sd_power_usbremoved_enable(true); sd_power_usbremoved_enable(true);
// USB power may already be ready at this time -> no event generated
// We need to execute the handler based on the status
uint32_t usb_reg;
sd_power_usbregstatus_get(&usb_reg); sd_power_usbregstatus_get(&usb_reg);
}else
if (usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk )
{
tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
}
if (usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk )
{
tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
}
}
#endif #endif
{
usb_reg = NRF_POWER->USBREGSTATUS;
}
if (usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk )
{
tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
}
if (usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk )
{
tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
}
return true; return true;
} }

8
src/tusb.c
View File

@ -41,8 +41,14 @@
#include "tusb.h" #include "tusb.h"
#include "device/usbd_pvt.h" #include "device/usbd_pvt.h"
static bool _initialized = false;
tusb_error_t tusb_init(void) tusb_error_t tusb_init(void)
{ {
// skip if already initialized
if (_initialized) return TUSB_ERROR_NONE;
VERIFY( tusb_hal_init(), TUSB_ERROR_FAILED ) ; // hardware init VERIFY( tusb_hal_init(), TUSB_ERROR_FAILED ) ; // hardware init
#if MODE_HOST_SUPPORTED #if MODE_HOST_SUPPORTED
@ -53,6 +59,8 @@ tusb_error_t tusb_init(void)
TU_ASSERT_ERR ( usbd_init() ); // device stack init TU_ASSERT_ERR ( usbd_init() ); // device stack init
#endif #endif
_initialized = true;
return TUSB_ERROR_NONE; return TUSB_ERROR_NONE;
} }