mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-21 20:31:32 +03:00
4d6b170769
* Fixing compiler warnings with -Wextra * More warnings suppression, WIP * Even more warning fixes * Added new lines at end of text files. * Padding fix * Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline * Fixes for Secplus v1 * -additional warnings * +-Wredundant-decls fixes * FuriHal: print stack overflow task name in console * FuriHal: add missing include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
320 lines
9.9 KiB
C
320 lines
9.9 KiB
C
#include "furi_hal_version.h"
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#include "furi_hal_usb_i.h"
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#include "furi_hal_usb.h"
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#include <furi_hal_power.h>
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#include <stm32wbxx_ll_pwr.h>
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#include <furi.h>
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#include "usb.h"
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#define TAG "FuriHalUsb"
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#define USB_RECONNECT_DELAY 500
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typedef struct {
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FuriThread* thread;
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bool enabled;
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bool connected;
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bool mode_lock;
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FuriHalUsbInterface* if_cur;
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FuriHalUsbInterface* if_next;
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void* if_ctx;
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FuriHalUsbStateCallback callback;
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void* cb_ctx;
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} UsbSrv;
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typedef enum {
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EventModeChange = (1 << 0),
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EventEnable = (1 << 1),
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EventDisable = (1 << 2),
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EventReinit = (1 << 3),
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EventReset = (1 << 4),
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EventRequest = (1 << 5),
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EventModeChangeStart = (1 << 6),
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} UsbEvent;
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#define USB_SRV_ALL_EVENTS \
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(EventModeChange | EventEnable | EventDisable | EventReinit | EventReset | EventRequest | \
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EventModeChangeStart)
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static UsbSrv usb;
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static const struct usb_string_descriptor dev_lang_desc = USB_ARRAY_DESC(USB_LANGID_ENG_US);
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static uint32_t ubuf[0x20];
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usbd_device udev;
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static int32_t furi_hal_usb_thread(void* context);
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static usbd_respond usb_descriptor_get(usbd_ctlreq* req, void** address, uint16_t* length);
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static void reset_evt(usbd_device* dev, uint8_t event, uint8_t ep);
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static void susp_evt(usbd_device* dev, uint8_t event, uint8_t ep);
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static void wkup_evt(usbd_device* dev, uint8_t event, uint8_t ep);
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/* Low-level init */
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void furi_hal_usb_init(void) {
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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LL_PWR_EnableVddUSB();
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GPIO_InitStruct.Pin = LL_GPIO_PIN_11 | LL_GPIO_PIN_12;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_10;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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usbd_init(&udev, &usbd_hw, USB_EP0_SIZE, ubuf, sizeof(ubuf));
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usbd_enable(&udev, true);
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usbd_reg_descr(&udev, usb_descriptor_get);
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usbd_reg_event(&udev, usbd_evt_susp, susp_evt);
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usbd_reg_event(&udev, usbd_evt_wkup, wkup_evt);
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// Reset callback will be enabled after first mode change to avoid getting false reset events
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usb.enabled = false;
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usb.if_cur = NULL;
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NVIC_SetPriority(USB_LP_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0));
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NVIC_SetPriority(USB_HP_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 15, 0));
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NVIC_EnableIRQ(USB_LP_IRQn);
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NVIC_EnableIRQ(USB_HP_IRQn);
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usb.thread = furi_thread_alloc();
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furi_thread_set_name(usb.thread, "UsbDriver");
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furi_thread_set_stack_size(usb.thread, 1024);
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furi_thread_set_callback(usb.thread, furi_hal_usb_thread);
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furi_thread_start(usb.thread);
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FURI_LOG_I(TAG, "Init OK");
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}
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bool furi_hal_usb_set_config(FuriHalUsbInterface* new_if, void* ctx) {
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if(usb.mode_lock) {
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return false;
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}
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usb.if_next = new_if;
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usb.if_ctx = ctx;
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if(usb.thread == NULL) {
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// Service thread hasn't started yet, so just save interface mode
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return true;
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}
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furi_assert(usb.thread);
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventModeChange);
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return true;
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}
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FuriHalUsbInterface* furi_hal_usb_get_config() {
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return usb.if_cur;
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}
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void furi_hal_usb_lock() {
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FURI_LOG_I(TAG, "Mode lock");
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usb.mode_lock = true;
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}
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void furi_hal_usb_unlock() {
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FURI_LOG_I(TAG, "Mode unlock");
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usb.mode_lock = false;
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}
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bool furi_hal_usb_is_locked() {
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return usb.mode_lock;
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}
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void furi_hal_usb_disable() {
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furi_assert(usb.thread);
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventDisable);
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}
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void furi_hal_usb_enable() {
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furi_assert(usb.thread);
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventEnable);
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}
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void furi_hal_usb_reinit() {
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furi_assert(usb.thread);
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventReinit);
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}
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/* Get device / configuration descriptors */
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static usbd_respond usb_descriptor_get(usbd_ctlreq* req, void** address, uint16_t* length) {
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const uint8_t dtype = req->wValue >> 8;
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const uint8_t dnumber = req->wValue & 0xFF;
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const void* desc;
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uint16_t len = 0;
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if(usb.if_cur == NULL) return usbd_fail;
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switch(dtype) {
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case USB_DTYPE_DEVICE:
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventRequest);
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if(usb.callback != NULL) {
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usb.callback(FuriHalUsbStateEventDescriptorRequest, usb.cb_ctx);
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}
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desc = usb.if_cur->dev_descr;
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break;
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case USB_DTYPE_CONFIGURATION:
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desc = usb.if_cur->cfg_descr;
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len = ((struct usb_string_descriptor*)(usb.if_cur->cfg_descr))->wString[0];
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break;
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case USB_DTYPE_STRING:
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if(dnumber == UsbDevLang) {
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desc = &dev_lang_desc;
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} else if((dnumber == UsbDevManuf) && (usb.if_cur->str_manuf_descr != NULL)) {
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desc = usb.if_cur->str_manuf_descr;
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} else if((dnumber == UsbDevProduct) && (usb.if_cur->str_prod_descr != NULL)) {
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desc = usb.if_cur->str_prod_descr;
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} else if((dnumber == UsbDevSerial) && (usb.if_cur->str_serial_descr != NULL)) {
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desc = usb.if_cur->str_serial_descr;
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} else
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return usbd_fail;
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break;
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default:
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return usbd_fail;
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}
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if(desc == NULL) return usbd_fail;
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if(len == 0) {
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len = ((struct usb_header_descriptor*)desc)->bLength;
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}
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*address = (void*)desc;
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*length = len;
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return usbd_ack;
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}
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void furi_hal_usb_set_state_callback(FuriHalUsbStateCallback cb, void* ctx) {
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usb.callback = cb;
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usb.cb_ctx = ctx;
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}
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static void reset_evt(usbd_device* dev, uint8_t event, uint8_t ep) {
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UNUSED(dev);
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UNUSED(event);
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UNUSED(ep);
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventReset);
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if(usb.callback != NULL) {
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usb.callback(FuriHalUsbStateEventReset, usb.cb_ctx);
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}
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}
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static void susp_evt(usbd_device* dev, uint8_t event, uint8_t ep) {
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UNUSED(dev);
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UNUSED(event);
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UNUSED(ep);
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if((usb.if_cur != NULL) && (usb.connected == true)) {
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usb.connected = false;
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usb.if_cur->suspend(&udev);
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furi_hal_power_insomnia_exit();
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}
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if(usb.callback != NULL) {
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usb.callback(FuriHalUsbStateEventSuspend, usb.cb_ctx);
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}
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}
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static void wkup_evt(usbd_device* dev, uint8_t event, uint8_t ep) {
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UNUSED(dev);
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UNUSED(event);
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UNUSED(ep);
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if((usb.if_cur != NULL) && (usb.connected == false)) {
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usb.connected = true;
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usb.if_cur->wakeup(&udev);
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furi_hal_power_insomnia_enter();
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}
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if(usb.callback != NULL) {
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usb.callback(FuriHalUsbStateEventWakeup, usb.cb_ctx);
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}
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}
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static int32_t furi_hal_usb_thread(void* context) {
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UNUSED(context);
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bool usb_request_pending = false;
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uint8_t usb_wait_time = 0;
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FuriHalUsbInterface* if_new = NULL;
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FuriHalUsbInterface* if_ctx_new = NULL;
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if(usb.if_next != NULL) {
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osThreadFlagsSet(furi_thread_get_thread_id(usb.thread), EventModeChange);
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}
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while(true) {
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uint32_t flags = osThreadFlagsWait(USB_SRV_ALL_EVENTS, osFlagsWaitAny, 500);
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if((flags & osFlagsError) == 0) {
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if(flags & EventModeChange) {
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if(usb.if_next != usb.if_cur) {
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if_new = usb.if_next;
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if_ctx_new = usb.if_ctx;
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if(usb.enabled) { // Disable current interface
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susp_evt(&udev, 0, 0);
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usbd_connect(&udev, false);
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usb.enabled = false;
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osDelay(USB_RECONNECT_DELAY);
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}
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flags |= EventModeChangeStart;
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}
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}
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if(flags & EventReinit) {
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// Temporary disable callback to avoid getting false reset events
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usbd_reg_event(&udev, usbd_evt_reset, NULL);
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FURI_LOG_I(TAG, "USB Reinit");
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susp_evt(&udev, 0, 0);
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usbd_connect(&udev, false);
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usb.enabled = false;
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usbd_enable(&udev, false);
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usbd_enable(&udev, true);
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if_new = usb.if_cur;
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osDelay(USB_RECONNECT_DELAY);
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flags |= EventModeChangeStart;
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}
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if(flags & EventModeChangeStart) { // Second stage of mode change process
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if(usb.if_cur != NULL) {
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usb.if_cur->deinit(&udev);
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}
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if(if_new != NULL) {
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if_new->init(&udev, if_new, if_ctx_new);
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usbd_reg_event(&udev, usbd_evt_reset, reset_evt);
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FURI_LOG_I(TAG, "USB Mode change done");
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usb.enabled = true;
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}
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usb.if_cur = if_new;
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}
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if(flags & EventEnable) {
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if((!usb.enabled) && (usb.if_cur != NULL)) {
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usbd_connect(&udev, true);
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usb.enabled = true;
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FURI_LOG_I(TAG, "USB Enable");
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}
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}
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if(flags & EventDisable) {
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if(usb.enabled) {
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susp_evt(&udev, 0, 0);
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usbd_connect(&udev, false);
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usb.enabled = false;
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usb_request_pending = false;
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FURI_LOG_I(TAG, "USB Disable");
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}
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}
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if(flags & EventReset) {
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if(usb.enabled) {
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usb_request_pending = true;
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usb_wait_time = 0;
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}
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}
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if(flags & EventRequest) {
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usb_request_pending = false;
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}
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} else if(usb_request_pending) {
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usb_wait_time++;
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if(usb_wait_time > 4) {
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furi_hal_usb_reinit();
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usb_request_pending = false;
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}
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}
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}
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return 0;
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}
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