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refactor usb code

This commit is contained in:
hathach 2018-08-06 20:46:53 +07:00
parent ae1cc22d72
commit 64d39e3672
3 changed files with 151 additions and 80 deletions
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1
src/Makefile
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@ -109,6 +109,7 @@ remduplicates = $(strip $(if $1,$(firstword $1) $(call remduplicates,$(filter-ou
C_SOURCE_FILES += $(SRC_PATH)/main.c
C_SOURCE_FILES += $(SRC_PATH)/dfu_ble_svc.c
C_SOURCE_FILES += $(SRC_PATH)/usb/tusb_descriptors.c
C_SOURCE_FILES += $(SRC_PATH)/usb/usb.c
C_SOURCE_FILES += $(SRC_PATH)/usb/msc_uf2.c
C_SOURCE_FILES += $(SRC_PATH)/usb/uf2/ghostfat.c

86
src/main.c
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@ -62,6 +62,10 @@
#include "tusb.h"
#include "usb/msc_uf2.h"
void usb_init(void);
void usb_teardown();
/* 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);
@ -218,50 +222,7 @@ void board_init(void)
app_timer_init();
}
void boad_usb_init(void)
{
// 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
#else
{
// 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;
}
#endif
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);
}
// Init tusb stack
tusb_init();
}
/**@brief Function for initializing the BLE stack.
*
@ -362,7 +323,6 @@ int main(void)
// This check ensures that the defined fields in the bootloader corresponds with actual
// setting in the chip.
APP_ERROR_CHECK_BOOL(*((uint32_t *)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START);
APP_ERROR_CHECK_BOOL(NRF_FICR->CODEPAGESIZE == CODE_PAGE_SIZE);
board_init();
@ -387,7 +347,7 @@ int main(void)
app_timer_start(blinky_timer_id, APP_TIMER_TICKS(LED_BLINK_INTERVAL), NULL);
}
boad_usb_init();
usb_init();
/*------------- Determine DFU mode (Serial, OTA, FRESET or normal) -------------*/
// DFU button pressed
@ -425,28 +385,7 @@ int main(void)
NRF_RTC1->TASKS_STOP = 1;
NRF_RTC1->TASKS_CLEAR = 1;
// Stop USB
if ( NRF_USBD->ENABLE )
{
// Abort all transfers
// Disable pull up
nrf_usbd_pullup_disable();
// Disable Interrupt
NVIC_DisableIRQ(USBD_IRQn);
// disable all interrupt
NRF_USBD->INTENCLR = NRF_USBD->INTEN;
nrf_usbd_disable();
sd_clock_hfclk_release();
sd_power_usbdetected_enable(false);
sd_power_usbpwrrdy_enable(false);
sd_power_usbremoved_enable(false);
}
usb_teardown();
// Select a bank region to use as application region.
// @note: Only applications running from DFU_BANK_0_REGION_START is supported.
@ -536,19 +475,6 @@ void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
app_error_handler(0xDEADBEEF, line_num, p_file_name);
}
//--------------------------------------------------------------------+
// tinyusb callbacks
//--------------------------------------------------------------------+
void tud_mount_cb(void)
{
}
void tud_umount_cb(void)
{
}
uint32_t tusb_hal_millis(void)
{
return ( ( ((uint64_t)app_timer_cnt_get())*1000*(APP_TIMER_CONFIG_RTC_FREQUENCY+1)) / APP_TIMER_CLOCK_FREQ );

144
src/usb/usb.c Normal file
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@ -0,0 +1,144 @@
/**************************************************************************/
/*!
@file usb.c
@author hathach (tinyusb.org)
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2018, Adafruit Industries (adafruit.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/
#ifdef SOFTDEVICE_PRESENT
#include "nrf_sdm.h"
#include "nrf_soc.h"
#endif
#include "nrf_usbd.h"
#include "tusb.h"
// TODO fully move to nrfx
enum {
NRFX_POWER_USB_EVT_DETECTED, /**< USB power detected on the connector (plugged in). */
NRFX_POWER_USB_EVT_REMOVED, /**< USB power removed from the connector. */
NRFX_POWER_USB_EVT_READY /**< USB power regulator ready. */
};
//--------------------------------------------------------------------+
// 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 -------------//
void usb_init(void)
{
// 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
{
#if 0 // TODO enable
// 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;
#endif
}
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);
}
// Init tusb stack
tusb_init();
}
void usb_teardown(void)
{
if ( NRF_USBD->ENABLE )
{
// Abort all transfers
// Disable pull up
nrf_usbd_pullup_disable();
// Disable Interrupt
NVIC_DisableIRQ(USBD_IRQn);
// disable all interrupt
NRF_USBD->INTENCLR = NRF_USBD->INTEN;
nrf_usbd_disable();
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)
{
}
void tud_umount_cb(void)
{
}