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author
fpr
committed
Update USB configuration
Signed-off-by: fpr <[email protected]>
1 parent de14752 commit b2b0e7a

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5 files changed

+154
-173
lines changed

5 files changed

+154
-173
lines changed

‎variants/DISCO_L475VG_IOT/usb/usbd_conf.c

Lines changed: 75 additions & 139 deletions
Original file line numberDiff line numberDiff line change
@@ -44,19 +44,20 @@
4444
*
4545
******************************************************************************
4646
*/
47-
47+
#ifdef USBCON
4848
/* Includes ------------------------------------------------------------------*/
49-
#include "main.h"
49+
#include "usbd_conf.h"
50+
#include "usbd_core.h"
51+
#include "hw_config.h"
5052

5153
/* Private typedef -----------------------------------------------------------*/
5254
/* Private define ------------------------------------------------------------*/
5355
/* Private macro -------------------------------------------------------------*/
5456
/* Private variables ---------------------------------------------------------*/
55-
PCD_HandleTypeDef hpcd;
57+
PCD_HandleTypeDef g_hpcd;
5658
__IO uint32_t remotewakeupon=0;
5759

5860
/* Private function prototypes -----------------------------------------------*/
59-
static void SystemClockConfig_STOP(void);
6061
/* Private functions ---------------------------------------------------------*/
6162

6263
/*******************************************************************************
@@ -72,6 +73,9 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
7273
{
7374
GPIO_InitTypeDef GPIO_InitStruct;
7475

76+
/* Enable USB power on Pwrctrl CR2 register */
77+
HAL_PWREx_EnableVddUSB();
78+
7579
/* Configure USB FS GPIOs */
7680
__HAL_RCC_GPIOA_CLK_ENABLE();
7781

@@ -96,11 +100,21 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
96100
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
97101
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
98102

103+
/* Configure power enable pin (USB_OTG_FS_PWR_EN) */
104+
__HAL_RCC_GPIOD_CLK_ENABLE();
105+
GPIO_InitStruct.Pin = GPIO_PIN_12;
106+
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
107+
GPIO_InitStruct.Pull = GPIO_PULLUP;
108+
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
109+
110+
/* USB power output is disabled in device mode */
111+
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_12, GPIO_PIN_SET);
112+
99113
/* Enable USB FS Clock */
100114
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
101115

102116
/* Set USB FS Interrupt priority */
103-
HAL_NVIC_SetPriority(OTG_FS_IRQn, 0x0F, 0);
117+
HAL_NVIC_SetPriority(OTG_FS_IRQn, 5, 0);
104118

105119
/* Enable USB FS Interrupt */
106120
HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
@@ -177,11 +191,32 @@ void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
177191
*/
178192
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
179193
{
194+
USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
195+
196+
/* Set USB Current Speed */
197+
switch(hpcd->Init.speed)
198+
{
199+
//Not supported on STM32L4xx boards
200+
#ifndef STM32L4xx
201+
case PCD_SPEED_HIGH:
202+
speed = USBD_SPEED_HIGH;
203+
break;
204+
#endif
205+
206+
case PCD_SPEED_FULL:
207+
speed = USBD_SPEED_FULL;
208+
break;
209+
210+
default:
211+
speed = USBD_SPEED_FULL;
212+
break;
213+
}
214+
180215
/* Reset Device */
181216
USBD_LL_Reset(hpcd->pData);
182217

183218
/* Set USB Current Speed */
184-
USBD_LL_SetSpeed(hpcd->pData, USBD_SPEED_FULL);
219+
USBD_LL_SetSpeed(hpcd->pData, speed);
185220
}
186221

187222
/**
@@ -213,7 +248,9 @@ void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
213248
{
214249
if ((hpcd->Init.low_power_enable)&&(remotewakeupon == 0))
215250
{
216-
SystemClockConfig_STOP();
251+
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
252+
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
253+
SystemClock_Config();
217254

218255
/* Reset SLEEPDEEP bit of Cortex System Control Register */
219256
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
@@ -266,6 +303,17 @@ void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
266303
}
267304

268305

306+
307+
/**
308+
* @brief This function handles USB-On-The-Go FS global interrupt request.
309+
* @param None
310+
* @retval None
311+
*/
312+
void OTG_FS_IRQHandler(void)
313+
{
314+
HAL_PCD_IRQHandler(&g_hpcd);
315+
}
316+
269317
/*******************************************************************************
270318
LL Driver Interface (USB Device Library --> PCD)
271319
*******************************************************************************/
@@ -278,28 +326,29 @@ void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
278326
USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
279327
{
280328
/* Set LL Driver parameters */
281-
hpcd.Instance = USB_OTG_FS;
282-
hpcd.Init.dev_endpoints = 5;
283-
hpcd.Init.use_dedicated_ep1 = 0;
284-
hpcd.Init.ep0_mps = 0x40;
285-
hpcd.Init.dma_enable = 0;
286-
hpcd.Init.low_power_enable = 1;
287-
hpcd.Init.lpm_enable = 0;
288-
hpcd.Init.battery_charging_enable = 0;
289-
hpcd.Init.phy_itface = PCD_PHY_EMBEDDED;
290-
hpcd.Init.Sof_enable = 0;
291-
hpcd.Init.speed = PCD_SPEED_FULL;
292-
hpcd.Init.vbus_sensing_enable = 1;
329+
g_hpcd.Instance = USB_OTG_FS;
330+
g_hpcd.Init.dev_endpoints = 4;
331+
g_hpcd.Init.use_dedicated_ep1 = 0;
332+
g_hpcd.Init.ep0_mps = 0x40;
333+
g_hpcd.Init.dma_enable = 0;
334+
g_hpcd.Init.low_power_enable = 0;
335+
g_hpcd.Init.lpm_enable = 0;
336+
g_hpcd.Init.battery_charging_enable = 0;
337+
g_hpcd.Init.phy_itface = PCD_PHY_EMBEDDED;
338+
g_hpcd.Init.Sof_enable = 0;
339+
g_hpcd.Init.speed = PCD_SPEED_FULL;
340+
g_hpcd.Init.vbus_sensing_enable = 1;
293341
/* Link The driver to the stack */
294-
hpcd.pData = pdev;
295-
pdev->pData = &hpcd;
342+
g_hpcd.pData = pdev;
343+
pdev->pData = &g_hpcd;
296344
/* Initialize LL Driver */
297-
HAL_PCD_Init(&hpcd);
345+
HAL_PCD_Init(&g_hpcd);
298346

299347
/* configure EPs FIFOs */
300-
HAL_PCDEx_SetRxFiFo(&hpcd, 0x80);
301-
HAL_PCDEx_SetTxFiFo(&hpcd, 0, 0x40);
302-
HAL_PCDEx_SetTxFiFo(&hpcd, 1, 0x80);
348+
HAL_PCDEx_SetRxFiFo(&g_hpcd, 0x80);
349+
HAL_PCDEx_SetTxFiFo(&g_hpcd, 0, 0x40);
350+
HAL_PCDEx_SetTxFiFo(&g_hpcd, 1, 0x10);
351+
HAL_PCDEx_SetTxFiFo(&g_hpcd, 2, 0x10);
303352

304353
return USBD_OK;
305354
}
@@ -483,120 +532,6 @@ uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
483532
return HAL_PCD_EP_GetRxCount(pdev->pData, ep_addr);
484533
}
485534

486-
/**
487-
* @brief Configures system clock after wakeup from STOP mode.
488-
* @param None
489-
* @retval None
490-
*/
491-
static void SystemClockConfig_STOP(void)
492-
{
493-
#if defined (USB_USE_LSE_MSI_CLOCK)
494-
495-
/* Configures system clock after wake-up from STOP: enable LSE, PLL and select
496-
PLL as system clock source (LSE and PLL are disabled in STOP mode) */
497-
498-
__HAL_RCC_LSE_CONFIG(RCC_LSE_ON);
499-
500-
/* Wait till HSE is ready */
501-
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
502-
{}
503-
504-
/* Enable the main PLL. */
505-
__HAL_RCC_PLL_ENABLE();
506-
507-
/* Wait till PLL is ready */
508-
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
509-
{}
510-
511-
/* Select PLL as SYSCLK */
512-
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
513-
514-
/* Wait till system clock switch to PLL */
515-
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
516-
{}
517-
518-
#elif defined (USB_USE_HSE_CLOCK)
519-
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
520-
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
521-
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
522-
523-
__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
524-
525-
/* Wait till HSE is ready */
526-
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
527-
{}
528-
529-
/* Enable the main PLL. */
530-
__HAL_RCC_PLL_ENABLE();
531-
532-
/* Wait till PLL is ready */
533-
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
534-
{}
535-
536-
/* Select PLL as SYSCLK */
537-
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
538-
539-
/* Wait till system clock switch to PLL */
540-
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
541-
{}
542-
543-
/* Select PLLSAI output as USB clock source */
544-
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
545-
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
546-
PeriphClkInitStruct.PLLSAI1.PLLSAI1N = 24;
547-
PeriphClkInitStruct.PLLSAI1.PLLSAI1Q = 4;
548-
PeriphClkInitStruct.PLLSAI1.PLLSAI1P = 1;
549-
PeriphClkInitStruct.PLLSAI1.PLLSAI1M = 1;
550-
PeriphClkInitStruct.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSE;
551-
PeriphClkInitStruct.PLLSAI1.PLLSAI1ClockOut= RCC_PLLSAI1_48M2CLK;
552-
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
553-
554-
#endif /* USB_USE_LSE_MSI_CLOCK */
555-
}
556-
557-
/**
558-
* @brief GPIO EXTI Callback function
559-
* Handle remote-wakeup through Tamper button
560-
* @param GPIO_Pin
561-
* @retval None
562-
*/
563-
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
564-
{
565-
if (GPIO_Pin == GPIO_PIN_13)
566-
{
567-
if ((((USBD_HandleTypeDef *)hpcd.pData)->dev_remote_wakeup == 1)&&
568-
(((USBD_HandleTypeDef *)hpcd.pData)->dev_state == USBD_STATE_SUSPENDED))
569-
{
570-
if ((&hpcd)->Init.low_power_enable)
571-
{
572-
/* Reset SLEEPDEEP bit of Cortex System Control Register */
573-
SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
574-
575-
SystemClockConfig_STOP();
576-
}
577-
578-
/* Ungate PHY clock */
579-
__HAL_PCD_UNGATE_PHYCLOCK((&hpcd));
580-
581-
/* Activate Remote wakeup */
582-
HAL_PCD_ActivateRemoteWakeup((&hpcd));
583-
584-
/* Remote wakeup delay */
585-
HAL_Delay(10);
586-
587-
/* Disable Remote wakeup */
588-
HAL_PCD_DeActivateRemoteWakeup((&hpcd));
589-
590-
/* change state to configured */
591-
((USBD_HandleTypeDef *)hpcd.pData)->dev_state = USBD_STATE_CONFIGURED;
592-
593-
/* Change remote_wakeup feature to 0*/
594-
((USBD_HandleTypeDef *)hpcd.pData)->dev_remote_wakeup=0;
595-
remotewakeupon = 1;
596-
}
597-
}
598-
}
599-
600535
/**
601536
* @brief Delays routine for the USB Device Library.
602537
* @param Delay: Delay in ms
@@ -607,4 +542,5 @@ void USBD_LL_Delay(uint32_t Delay)
607542
HAL_Delay(Delay);
608543
}
609544

545+
#endif // USBCON
610546
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

‎variants/DISCO_L475VG_IOT/usb/usbd_conf.h

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -50,13 +50,16 @@
5050
#define __USBD_CONF_H
5151

5252
/* Includes ------------------------------------------------------------------*/
53-
#include "stm32l4xx_hal.h"
53+
#include "stm32_def.h"
5454
#include <stdio.h>
5555
#include <stdlib.h>
5656
#include <string.h>
57-
57+
#ifdef USBCON
5858
/* Exported types ------------------------------------------------------------*/
5959
/* Exported constants --------------------------------------------------------*/
60+
61+
#define USBD_LPM_ENABLED 0
62+
6063
/* Common Config */
6164
#define USBD_MAX_NUM_INTERFACES 1
6265
#define USBD_MAX_NUM_CONFIGURATION 1
@@ -75,7 +78,7 @@
7578
/* DEBUG macros */
7679
#if (USBD_DEBUG_LEVEL > 0)
7780
#define USBD_UsrLog(...) printf(__VA_ARGS__);\
78-
printf("\n");
81+
printf("\n\r");
7982
#else
8083
#define USBD_UsrLog(...)
8184
#endif
@@ -84,21 +87,22 @@
8487

8588
#define USBD_ErrLog(...) printf("ERROR: ") ;\
8689
printf(__VA_ARGS__);\
87-
printf("\n");
90+
printf("\n\r");
8891
#else
8992
#define USBD_ErrLog(...)
9093
#endif
9194

9295
#if (USBD_DEBUG_LEVEL > 2)
9396
#define USBD_DbgLog(...) printf("DEBUG : ") ;\
9497
printf(__VA_ARGS__);\
95-
printf("\n");
98+
printf("\n\r");
9699
#else
97100
#define USBD_DbgLog(...)
98101
#endif
99102

100103
/* Exported functions ------------------------------------------------------- */
101104

105+
#endif // USBCON
102106
#endif /* __USBD_CONF_H */
103107

104108
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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