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stm32/usbd: Introduce MICROPY_HW_USB_IS_MULTI_OTG to simplify USB config 

This is an internal config value that is enabled for MCUs that have
multiple OTG instances, to simplify #if configuration of the USB code.
This commit is contained in:
Damien George 2019-08-15 12:19:28 +10:00
parent ba607809f2
commit bf733c27bb
3 changed files with 15 additions and 8 deletions
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7
ports/stm32/mpconfigboard_common.h
View File

@ -287,6 +287,13 @@
#define MICROPY_HW_MAX_CAN (1)
#endif
// Whether the USB peripheral is device-only, or multiple OTG
#if defined(STM32L0) || defined(STM32WB)
#define MICROPY_HW_USB_IS_MULTI_OTG (0)
#else
#define MICROPY_HW_USB_IS_MULTI_OTG (1)
#endif
// Configure maximum number of CDC VCP interfaces, and whether MSC/HID are supported
#ifndef MICROPY_HW_USB_CDC_NUM
#define MICROPY_HW_USB_CDC_NUM (1)

4
ports/stm32/usbd_cdc_interface.c
View File

@ -142,7 +142,7 @@ int8_t usbd_cdc_control(usbd_cdc_state_t *cdc_in, uint8_t cmd, uint8_t* pbuf, ui
// configure its serial port (in most cases to disable local echo)
cdc->connect_state = USBD_CDC_CONNECT_STATE_CONNECTING;
usbd_cdc_connect_tx_timer = 8; // wait for 8 SOF IRQs
#if defined(STM32L0) || defined(STM32WB)
#if !MICROPY_HW_USB_IS_MULTI_OTG
USB->CNTR |= USB_CNTR_SOFM;
#else
PCD_HandleTypeDef *hpcd = cdc->base.usbd->pdev->pData;
@ -219,7 +219,7 @@ void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) {
--usbd_cdc_connect_tx_timer;
} else {
usbd_cdc_msc_hid_state_t *usbd = ((USBD_HandleTypeDef*)hpcd->pData)->pClassData;
#if defined(STM32L0) || defined(STM32WB)
#if !MICROPY_HW_USB_IS_MULTI_OTG
USB->CNTR &= ~USB_CNTR_SOFM;
#else
hpcd->Instance->GINTMSK &= ~USB_OTG_GINTMSK_SOFM;

12
ports/stm32/usbd_conf.c
View File

@ -44,8 +44,8 @@ PCD_HandleTypeDef pcd_fs_handle;
PCD_HandleTypeDef pcd_hs_handle;
#endif
#if defined(STM32L0) || defined(STM32WB)
// The STM32L0xx has a single USB device-only instance
#if !MICROPY_HW_USB_IS_MULTI_OTG
// The MCU has a single USB device-only instance
#define USB_OTG_FS USB
#endif
@ -92,7 +92,7 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) {
#endif
// Enable USB FS Clocks
#if defined(STM32L0) || defined(STM32WB)
#if !MICROPY_HW_USB_IS_MULTI_OTG
__HAL_RCC_USB_CLK_ENABLE();
#else
__USB_OTG_FS_CLK_ENABLE();
@ -195,7 +195,7 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) {
* @retval None
*/
void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd) {
#if defined(STM32L0) || defined(STM32WB)
#if !MICROPY_HW_USB_IS_MULTI_OTG
__HAL_RCC_USB_CLK_DISABLE();
#else
@ -379,7 +379,7 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev, int high_speed) {
pcd_fs_handle.Init.lpm_enable = DISABLE;
pcd_fs_handle.Init.battery_charging_enable = DISABLE;
#endif
#if !defined(STM32L0) && !defined(STM32WB)
#if MICROPY_HW_USB_IS_MULTI_OTG
pcd_fs_handle.Init.use_dedicated_ep1 = 0;
pcd_fs_handle.Init.dma_enable = 0;
#if !defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
@ -396,7 +396,7 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev, int high_speed) {
// Initialize LL Driver
HAL_PCD_Init(&pcd_fs_handle);
#if defined(STM32L0) || defined(STM32WB)
#if !MICROPY_HW_USB_IS_MULTI_OTG
// We have 512 16-bit words it total to use here (when using PCD_SNG_BUF)
HAL_PCDEx_PMAConfig(&pcd_fs_handle, 0x00, PCD_SNG_BUF, 64); // EP0
HAL_PCDEx_PMAConfig(&pcd_fs_handle, 0x80, PCD_SNG_BUF, 128); // EP0