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Added in flag for preventing double IRQ triggering and added asserts for Nordic driver calls

pull/10952/head
George Beckstein 2019-02-25 07:58:04 -05:00 committed by Arto Kinnunen
parent a33ecbf9f7
commit 42d31abf94
1 changed files with 21 additions and 7 deletions
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26
usb/device/targets/TARGET_NORDIC/TARGET_MCU_NRF52840/USBPhy_Nordic.cpp
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@ -17,6 +17,7 @@
#include "USBPhyHw.h"
#include "platform/mbed_critical.h"
#include "platform/mbed_assert.h"
#include "nrf_clock.h"
@ -66,6 +67,7 @@ void USBD_HAL_IRQHandler(void);
static USBPhyHw *instance = 0;
static volatile bool virtual_status_xfer_event;
static volatile bool irq_already_pending;
static void usbd_event_handler(nrf_drv_usbd_evt_t const * const p_event);
static void power_usb_event_handler(nrf_drv_power_usb_evt_t event);
@ -104,17 +106,18 @@ void USBPhyHw::init(USBPhyEvents *events) {
// Initialize power module to track USB Power events
ret = nrf_drv_power_init(NULL);
APP_ERROR_CHECK(ret);
MBED_ASSERT(ret == NRF_SUCCESS);
// Register callback for USB Power events
static const nrf_drv_power_usbevt_config_t config = { .handler =
power_usb_event_handler };
ret = nrf_drv_power_usbevt_init(&config);
APP_ERROR_CHECK(ret);
MBED_ASSERT(ret == NRF_SUCCESS);
// Initialize USB Device driver
ret = nrf_drv_usbd_init(usbd_event_handler);
APP_ERROR_CHECK(ret);
MBED_ASSERT(ret == NRF_SUCCESS);
/* Configure selected size of the packed on EP0 */
nrf_drv_usbd_ep_max_packet_size_set(NRF_DRV_USBD_EPOUT0, MAX_PACKET_SIZE_SETUP);
@ -124,6 +127,7 @@ void USBPhyHw::init(USBPhyEvents *events) {
instance = this;
virtual_status_xfer_event = false;
irq_already_pending = false;
/*
* TODO - Configure ISOIN endpoint to respond with ZLP when
@ -146,7 +150,7 @@ void USBPhyHw::deinit() {
disconnect();
// Disable the USB Device driver
ret_code_t ret = nrf_drv_usbd_uninit();
APP_ERROR_CHECK(ret);
MBED_ASSERT(ret == NRF_SUCCESS);
//NVIC_DisableIRQ(USBD_IRQn); // This is handled by the Nordic driver
// Disable the power peripheral driver
@ -300,6 +304,8 @@ void USBPhyHw::ep0_read(uint8_t *data, uint32_t size) {
virtual_status_xfer_event = true;
irq_already_pending = NVIC_GetPendingIRQ(USBD_IRQn);
// Trigger an interrupt to process the virtual status event
NVIC_SetPendingIRQ(USBD_IRQn);
@ -314,7 +320,8 @@ void USBPhyHw::ep0_read(uint8_t *data, uint32_t size) {
nrf_drv_usbd_setup_data_clear(); // tell the hardware to receive another OUT packet
nrf_drv_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, transfer);
ret_code_t ret = nrf_drv_usbd_ep_transfer(NRF_DRV_USBD_EPOUT0, transfer);
MBED_ASSERT(ret == NRF_SUCCESS);
}
uint32_t USBPhyHw::ep0_read_result() {
@ -342,6 +349,8 @@ void USBPhyHw::ep0_write(uint8_t *buffer, uint32_t size) {
virtual_status_xfer_event = true;
irq_already_pending = NVIC_GetPendingIRQ(USBD_IRQn);
// Trigger an interrupt to process the virtual status event
NVIC_SetPendingIRQ(USBD_IRQn);
@ -357,7 +366,8 @@ void USBPhyHw::ep0_write(uint8_t *buffer, uint32_t size) {
if(size == 0)
transfer->flags |= NRF_DRV_USBD_TRANSFER_ZLP_FLAG;
nrf_drv_usbd_ep_transfer(NRF_DRV_USBD_EPIN0, transfer);
ret_code_t ret = nrf_drv_usbd_ep_transfer(NRF_DRV_USBD_EPIN0, transfer);
MBED_ASSERT(ret == NRF_SUCCESS);
}
void USBPhyHw::ep0_stall() {
@ -637,7 +647,11 @@ void USBD_HAL_IRQHandler(void)
}
virtual_status_xfer_event = false;
if(!irq_already_pending)
return;
irq_already_pending = false;
}
// Call Nordic driver IRQ handler
USBD_IRQHandler();