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adding code for nrf52 usbd start-up sequence

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hathach 2018-03-13 16:59:51 +07:00
parent 3223aa1b74
commit b33e89ac66
3 changed files with 231 additions and 16 deletions
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16
examples/device/nrf52840/segger/nrf.h
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@ -53,13 +53,13 @@ POSSIBILITY OF SUCH DAMAGE.
#endif
#if defined(_WIN32)
/* Do not include nrf specific files when building for PC host */
#elif defined(__unix)
/* Do not include nrf specific files when building for PC host */
#elif defined(__APPLE__)
/* Do not include nrf specific files when building for PC host */
#else
//#if defined(_WIN32)
// /* Do not include nrf specific files when building for PC host */
//#elif defined(__unix)
// /* Do not include nrf specific files when building for PC host */
//#elif defined(__APPLE__)
// /* Do not include nrf specific files when building for PC host */
//#else
/* Device selection for device includes. */
#if defined (NRF51)
@ -87,7 +87,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include "compiler_abstraction.h"
#endif /* _WIN32 || __unix || __APPLE__ */
//#endif /* _WIN32 || __unix || __APPLE__ */
#endif /* NRF_H */

224
hw/mcu/nordic/nrf52/tusb_port/dcd_nrf52.c
View File

@ -37,7 +37,9 @@
// TODO remove
#include "nrf.h"
#include "nrf_power.h"
#include "nrf_drv_usbd.h"
#include "nrf_usbd.h"
#include "tusb_dcd.h"
/*------------------------------------------------------------------*/
/* MACRO TYPEDEF CONSTANT ENUM
@ -50,18 +52,224 @@
/*------------------------------------------------------------------*/
/* Controller API
*------------------------------------------------------------------*/
static void hfclk_ready(nrf_drv_clock_evt_type_t event)
{
}
static void enable_usb(void)
{
/* Prepare for READY event receiving */
nrf_usbd_eventcause_clear(NRF_USBD_EVENTCAUSE_READY_MASK);
/* Enable the peripheral */
nrf_usbd_enable();
// Enable HFCLK
nrf_drv_clock_handler_item_t clock_handler_item =
{
.event_handler = hfclk_ready
};
nrf_drv_clock_hfclk_request(&clock_handler_item);
/* Waiting for peripheral to enable, this should take a few us */
while ( 0 == (NRF_USBD_EVENTCAUSE_READY_MASK & nrf_usbd_eventcause_get()) ) { }
nrf_usbd_eventcause_clear(NRF_USBD_EVENTCAUSE_READY_MASK);
// Wait until power is ready
while (!nrf_power_usbregstatus_outrdy_get()) {}
// Wait until PHY is powered
while ( nrf_drv_clock_hfclk_is_running() ) {}
if ( nrf_drv_usbd_errata_166() )
{
*((volatile uint32_t *) (NRF_USBD_BASE + 0x800)) = 0x7E3;
*((volatile uint32_t *) (NRF_USBD_BASE + 0x804)) = 0x40;
__ISB();
__DSB();
}
nrf_usbd_isosplit_set(NRF_USBD_ISOSPLIT_Half);
// Enable interrupt
NRF_USBD->INTENSET = USBD_INTEN_USBRESET_Msk | USBD_INTEN_STARTED_Msk |
USBD_INTEN_ENDEPIN0_Msk | USBD_INTEN_EP0DATADONE_Msk | USBD_INTEN_ENDEPOUT0_Msk | USBD_INTEN_EP0SETUP_Msk |
USBD_INTEN_USBEVENT_Msk | USBD_INTEN_EPDATA_Msk | USBD_INTEN_ACCESSFAULT_Msk;
//USBD_INTEN_SOF_Msk
// if (enable_sof || nrf_drv_usbd_errata_104())
// {
// ints_to_enable |= NRF_USBD_INT_SOF_MASK;
// }
// Enable interrupt
NVIC_ClearPendingIRQ(USBD_IRQn);
NVIC_EnableIRQ(USBD_IRQn);
// Enable pull up
nrf_usbd_pullup_enable();
}
static void power_usb_event_handler(nrf_drv_power_usb_evt_t event)
{
switch ( event )
{
case NRF_DRV_POWER_USB_EVT_DETECTED:
if ( !NRF_USBD->ENABLE )
{
enable_usb();
}
break;
case NRF_DRV_POWER_USB_EVT_REMOVED:
if ( NRF_USBD->ENABLE )
{
nrf_drv_usbd_stop();
NRF_USBD->INTENCLR = NRF_USBD->INTEN; // disable all interrupt
nrf_usbd_disable();
}
break;
case NRF_DRV_POWER_USB_EVT_READY:
break;
default: break;
}
}
bool tusb_dcd_init (uint8_t port)
{
// TODO USB power detection
nrf_power_int_enable(
NRF_POWER_INT_USBDETECTED_MASK |
NRF_POWER_INT_USBREMOVED_MASK |
NRF_POWER_INT_USBPWRRDY_MASK);
nrf_drv_usbd_enable();
// USB Power detection
const nrf_drv_power_usbevt_config_t config =
{
.handler = power_usb_event_handler
};
VERIFY( NRF_SUCCESS == nrf_drv_power_usbevt_init(&config) );
}
void tusb_dcd_connect (uint8_t port);
void tusb_dcd_disconnect (uint8_t port);
void tusb_dcd_set_address (uint8_t port, uint8_t dev_addr);
void tusb_dcd_set_config (uint8_t port, uint8_t config_num);
void USBD_IRQHandler(void)
{
uint32_t const inten = NRF_USBD->INTEN;
uint32_t int_status = 0;
volatile uint32_t* regclr = &NRF_USBD->EVENTS_USBRESET;
for(int i=0; i<32; i++)
{
if ( BIT_TEST_(inten, i) && regclr[i] )
{
int_status |= BIT_(i);
// nrf_usbd_event_clear()
regclr[i] = 0;
__ISB();
__DSB();
}
}
#if 0
if (nrf_drv_usbd_errata_104())
{
/* Event correcting */
if ((0 == m_dma_pending) && (0 != (active & (USBD_INTEN_SOF_Msk))))
{
uint8_t usbi, uoi, uii;
/* Testing */
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7A9;
uii = (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
if (0 != uii)
{
uii &= (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
}
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AA;
uoi = (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
if (0 != uoi)
{
uoi &= (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
}
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AB;
usbi = (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
if (0 != usbi)
{
usbi &= (uint8_t)(*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
}
/* Processing */
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AC;
uii &= (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
if (0 != uii)
{
uint8_t rb;
m_simulated_dataepstatus |= ((uint32_t)uii) << USBD_EPIN_BITPOS_0;
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7A9;
*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)) = uii;
rb = (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
NRF_DRV_USBD_LOG_PROTO1_FIX_PRINTF(" uii: 0x%.2x (0x%.2x)", uii, rb);
}
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AD;
uoi &= (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
if (0 != uoi)
{
uint8_t rb;
m_simulated_dataepstatus |= ((uint32_t)uoi) << USBD_EPOUT_BITPOS_0;
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AA;
*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)) = uoi;
rb = (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
NRF_DRV_USBD_LOG_PROTO1_FIX_PRINTF(" uoi: 0x%.2u (0x%.2x)", uoi, rb);
}
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AE;
usbi &= (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
if (0 != usbi)
{
uint8_t rb;
if (usbi & 0x01)
{
active |= USBD_INTEN_EP0SETUP_Msk;
}
if (usbi & 0x10)
{
active |= USBD_INTEN_USBRESET_Msk;
}
*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7AB;
*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)) = usbi;
rb = (uint8_t)*((volatile uint32_t *)(NRF_USBD_BASE + 0x804));
NRF_DRV_USBD_LOG_PROTO1_FIX_PRINTF(" usbi: 0x%.2u (0x%.2x)", usbi, rb);
}
if (0 != (m_simulated_dataepstatus &
~((1U << USBD_EPOUT_BITPOS_0) | (1U << USBD_EPIN_BITPOS_0))))
{
active |= enabled & NRF_USBD_INT_DATAEP_MASK;
}
if (0 != (m_simulated_dataepstatus &
((1U << USBD_EPOUT_BITPOS_0) | (1U << USBD_EPIN_BITPOS_0))))
{
if (0 != (enabled & NRF_USBD_INT_EP0DATADONE_MASK))
{
m_simulated_dataepstatus &=
~((1U << USBD_EPOUT_BITPOS_0) | (1U << USBD_EPIN_BITPOS_0));
active |= NRF_USBD_INT_EP0DATADONE_MASK;
}
}
}
}
#endif
/*------------- Interrupt Processing -------------*/
if ( int_status & USBD_INTEN_USBRESET_Msk )
{
tusb_dcd_bus_event(0, USBD_BUS_EVENT_RESET);
}
}

7
hw/mcu/nordic/nrf52/tusb_port/hal_nrf52.c
View File

@ -38,6 +38,9 @@
#include "nrf.h"
#include "nrf_gpio.h"
#include "nrf_drv_systick.h"
#include "nrf_drv_clock.h"
#include "tusb_hal.h"
/*------------------------------------------------------------------*/
/* MACRO TYPEDEF CONSTANT ENUM
@ -62,6 +65,10 @@ void SysTick_Handler (void)
bool tusb_hal_init(void)
{
VERIFY( NRF_SUCCESS == nrf_drv_clock_init() );
return true;
}