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STM32L5: enable USBDEVICE #14340

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Merged
merged 2 commits into from
Mar 1, 2021
Merged

STM32L5: enable USBDEVICE #14340

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cb032d2
enable USBDEVICE for STM32L5
chrJost Feb 24, 2021
96c31e1
fixed copy paste errors
chrJost Feb 24, 2021
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17 changes: 13 additions & 4 deletions targets/TARGET_STM/TARGET_STM32L5/system_clock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ uint8_t SetSysClock_PLL_MSI(void)
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
#if DEVICE_TRNG
#if DEVICE_TRNG || DEVICE_USBDEVICE
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
#else
RCC_OscInitStruct.HSI48State = RCC_HSI48_OFF;
Expand Down Expand Up @@ -176,12 +176,21 @@ uint8_t SetSysClock_PLL_MSI(void)
return 0; // FAIL
}

#if DEVICE_TRNG
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
#if DEVICE_TRNG
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RNG;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_HSI48;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
#endif
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
return 0; // FAIL
}
#endif
#if DEVICE_USBDEVICE
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
return 0; // FAIL
}
#endif

return 1; // OK
}
Expand Down
2 changes: 2 additions & 0 deletions targets/TARGET_STM/USBPhyHw.h
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Expand Up @@ -45,6 +45,8 @@

#if defined(TARGET_STM32F1) || defined(TARGET_STM32F3) || defined(TARGET_STM32WB) || defined(TARGET_STM32G4)
#define USBHAL_IRQn USB_LP_IRQn
#elif defined(TARGET_STM32L5)
#define USBHAL_IRQn USB_FS_IRQn
#else
#define USBHAL_IRQn USB_IRQn
#endif
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3 changes: 2 additions & 1 deletion targets/targets.json
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Expand Up @@ -3951,7 +3951,8 @@
"FLASH",
"MPU",
"SERIAL_ASYNCH",
"TRNG"
"TRNG",
"USBDEVICE"
]
},
"MCU_STM32L552xE": {
Expand Down