2019-03-27 06:38:36 +00:00
|
|
|
/*
|
|
|
|
* The MIT License (MIT)
|
|
|
|
*
|
|
|
|
* Copyright (c) 2018 Ha Thach for Adafruit Industries
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice shall be included in
|
|
|
|
* all copies or substantial portions of the Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
|
* THE SOFTWARE.
|
|
|
|
*/
|
2018-08-06 13:46:53 +00:00
|
|
|
|
2018-08-07 06:33:44 +00:00
|
|
|
#include "nrfx.h"
|
|
|
|
#include "nrfx_power.h"
|
|
|
|
|
2018-08-06 13:46:53 +00:00
|
|
|
#ifdef SOFTDEVICE_PRESENT
|
|
|
|
#include "nrf_sdm.h"
|
|
|
|
#include "nrf_soc.h"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include "nrf_usbd.h"
|
|
|
|
#include "tusb.h"
|
2018-08-16 12:27:27 +00:00
|
|
|
#include "usb_desc.h"
|
2018-08-06 13:46:53 +00:00
|
|
|
|
2018-11-23 08:00:59 +00:00
|
|
|
#include "boards.h"
|
|
|
|
|
2018-08-06 13:46:53 +00:00
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
|
|
|
|
/* tinyusb function that handles power event (detected, ready, removed)
|
|
|
|
* We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled. */
|
|
|
|
extern void tusb_hal_nrf_power_event(uint32_t event);
|
|
|
|
|
|
|
|
//------------- IMPLEMENTATION -------------//
|
2018-08-16 11:17:42 +00:00
|
|
|
void usb_init(bool cdc_only)
|
2018-08-06 13:46:53 +00:00
|
|
|
{
|
2019-01-31 11:01:41 +00:00
|
|
|
NVIC_SetPriority(USBD_IRQn, 2);
|
|
|
|
|
2018-08-06 13:46:53 +00:00
|
|
|
// USB power may already be ready at this time -> no event generated
|
|
|
|
// We need to invoke the handler based on the status initially
|
|
|
|
uint32_t usb_reg;
|
|
|
|
|
|
|
|
#ifdef SOFTDEVICE_PRESENT
|
|
|
|
uint8_t sd_en = false;
|
|
|
|
(void) sd_softdevice_is_enabled(&sd_en);
|
|
|
|
|
|
|
|
if ( sd_en ) {
|
|
|
|
sd_power_usbdetected_enable(true);
|
|
|
|
sd_power_usbpwrrdy_enable(true);
|
|
|
|
sd_power_usbremoved_enable(true);
|
|
|
|
|
|
|
|
sd_power_usbregstatus_get(&usb_reg);
|
|
|
|
}else
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
// Power module init
|
|
|
|
const nrfx_power_config_t pwr_cfg = { 0 };
|
|
|
|
nrfx_power_init(&pwr_cfg);
|
|
|
|
|
|
|
|
// Register tusb function as USB power handler
|
|
|
|
const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
|
|
|
|
nrfx_power_usbevt_init(&config);
|
|
|
|
|
|
|
|
nrfx_power_usbevt_enable();
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2019-11-11 08:35:43 +00:00
|
|
|
usb_desc_init(cdc_only);
|
2018-08-16 12:27:27 +00:00
|
|
|
|
2019-11-11 08:35:43 +00:00
|
|
|
// Init TinyUSB stack
|
2018-08-06 13:46:53 +00:00
|
|
|
tusb_init();
|
|
|
|
}
|
|
|
|
|
|
|
|
void usb_teardown(void)
|
|
|
|
{
|
|
|
|
if ( NRF_USBD->ENABLE )
|
|
|
|
{
|
|
|
|
// Abort all transfers
|
|
|
|
|
|
|
|
// Disable pull up
|
2019-11-11 08:27:44 +00:00
|
|
|
nrf_usbd_pullup_disable(NRF_USBD);
|
2018-08-06 13:46:53 +00:00
|
|
|
|
|
|
|
// Disable Interrupt
|
|
|
|
NVIC_DisableIRQ(USBD_IRQn);
|
|
|
|
|
|
|
|
// disable all interrupt
|
|
|
|
NRF_USBD->INTENCLR = NRF_USBD->INTEN;
|
|
|
|
|
2019-11-11 08:27:44 +00:00
|
|
|
nrf_usbd_disable(NRF_USBD);
|
2018-08-06 13:46:53 +00:00
|
|
|
sd_clock_hfclk_release();
|
|
|
|
|
|
|
|
sd_power_usbdetected_enable(false);
|
|
|
|
sd_power_usbpwrrdy_enable(false);
|
|
|
|
sd_power_usbremoved_enable(false);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
// tinyusb callbacks
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
void tud_mount_cb(void)
|
|
|
|
{
|
2018-12-04 21:45:55 +00:00
|
|
|
led_state(STATE_USB_MOUNTED);
|
2018-08-06 13:46:53 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void tud_umount_cb(void)
|
|
|
|
{
|
2018-12-04 21:45:55 +00:00
|
|
|
led_state(STATE_USB_UNMOUNTED);
|
2018-08-06 13:46:53 +00:00
|
|
|
}
|