Update core to support G0

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

cores/arduino/stm32/analog.c

@@ -544,7 +544,9 @@ uint16_t adc_read_value(PinName pin)
 #endif /* !STM32H7xx */
 #endif /* STM32F3xx || STM32H7xx */
   AdcHandle.Init.NbrOfConversion       = 1;                             /* Specifies the number of ranks that will be converted within the regular group sequencer. */
+#ifndef STM32G0xx
   AdcHandle.Init.NbrOfDiscConversion   = 0;                             /* Parameter discarded because sequencer is disabled */
+#endif
 #endif /* STM32F0xx || STM32L0xx */
 
   g_current_pin = pin; /* Needed for HAL_ADC_MspInit*/

cores/arduino/stm32/interrupt.cpp

@@ -51,7 +51,7 @@ typedef struct {
 
 /* Private Variables */
 static gpio_irq_conf_str gpio_irq_conf[NB_EXTI] = {
-#if defined (STM32F0xx) || defined (STM32L0xx)
+#if defined (STM32F0xx) || defined (STM32G0xx) || defined (STM32L0xx)
   {.irqnb = EXTI0_1_IRQn,   .callback = NULL}, //GPIO_PIN_0
   {.irqnb = EXTI0_1_IRQn,   .callback = NULL}, //GPIO_PIN_1
   {.irqnb = EXTI2_3_IRQn,   .callback = NULL}, //GPIO_PIN_2

cores/arduino/stm32/low_power.c

@@ -52,6 +52,10 @@ static UART_HandleTypeDef *WakeUpUart = NULL;
 /* Save callback pointer */
 static void (*WakeUpUartCb)(void) = NULL;
 
+#ifdef STM32G0xx
+#define PWR_FLAG_WU PWR_FLAG_WUF
+#endif
+
 /**
   * @brief  Initialize low power mode
   * @param  None

cores/arduino/stm32/rtc.c

@@ -124,7 +124,8 @@ static void RTC_initClock(sourceClock_t source)
     /* HSE max is 16 MHZ divided by 128 --> 125 KHz */
     PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV128;
     HSEDiv = 128;
-#elif defined(STM32F0xx) || defined(STM32F3xx) || defined(STM32L4xx) || defined(STM32WBxx)
+#elif defined(STM32F0xx) || defined(STM32F3xx) || defined(STM32G0xx) ||\
+      defined(STM32L4xx) || defined(STM32WBxx)
     PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV32;
     HSEDiv = 32;
 #elif defined(STM32L0xx) || defined(STM32L1xx)

cores/arduino/stm32/rtc.h

@@ -101,6 +101,10 @@ typedef void(*voidCallbackPtr)(void *);
 #define RTC_Alarm_IRQn RTC_IRQn
 #define RTC_Alarm_IRQHandler RTC_IRQHandler
 #endif
+#if defined(STM32G0xx)
+#define RTC_Alarm_IRQn RTC_TAMP_IRQn
+#define RTC_Alarm_IRQHandler RTC_TAMP_IRQHandler
+#endif
 
 #if defined(STM32F1xx) && !defined(IS_RTC_WEEKDAY)
 /* Compensate missing HAL definition */

cores/arduino/stm32/spi_com.c

@@ -55,7 +55,7 @@ uint32_t spi_getClkFreqInst(SPI_TypeDef *spi_inst)
 {
   uint32_t spi_freq = SystemCoreClock;
 
-#ifdef STM32F0xx
+#if defined(STM32F0xx) || defined(STM32G0xx)
   UNUSED(spi_inst);
   /* SPIx source CLK is PCKL1 */
   spi_freq = HAL_RCC_GetPCLK1Freq();

cores/arduino/stm32/stm32_eeprom.c

@@ -70,7 +70,8 @@ extern "C" {
 #endif /* STM32F2xx || STM32F4xx || STM32F7xx */
 
 /* Be able to change FLASH_PAGE_NUMBER to use if relevant */
-#if !defined(FLASH_PAGE_NUMBER) && (defined (STM32L4xx) || defined(STM32WBxx))
+#if !defined(FLASH_PAGE_NUMBER) &&\
+    (defined (STM32G0xx) || defined (STM32L4xx) || defined(STM32WBxx))
 #define FLASH_PAGE_NUMBER   ((uint32_t)((FLASH_SIZE / FLASH_PAGE_SIZE) - 1))
 #endif /* !FLASH_PAGE_NUMBER */
 
@@ -109,7 +110,7 @@ static inline uint32_t get_flash_end(void)
   return size;
 }
 #define FLASH_END  get_flash_end()
-#elif defined (STM32L4xx) || defined(STM32WBxx)
+#elif defined(STM32G0xx) || defined (STM32L4xx) || defined(STM32WBxx)
 /* If FLASH_PAGE_NUMBER is defined by user, this is not really end of the flash */
 #define FLASH_END  ((uint32_t)(FLASH_BASE + (((FLASH_PAGE_NUMBER +1) * FLASH_PAGE_SIZE))-1))
 #endif
@@ -203,8 +204,8 @@ void eeprom_buffer_flush(void)
   uint32_t address = FLASH_BASE_ADDRESS;
   uint32_t address_end = FLASH_BASE_ADDRESS + E2END;
 #if defined (STM32F0xx) || defined (STM32F1xx) || defined (STM32F3xx) || \
-    defined (STM32L0xx) || defined (STM32L1xx) || defined(STM32L4xx) || \
-    defined (STM32WBxx)
+    defined (STM32G0xx) || defined (STM32L0xx) || defined (STM32L1xx) ||\
+     defined(STM32L4xx) || defined (STM32WBxx)
   uint32_t pageError = 0;
   uint64_t data = 0;
 
@@ -213,7 +214,7 @@ void eeprom_buffer_flush(void)
 #if defined(STM32L4xx) || defined(STM32F1xx)
   EraseInitStruct.Banks = FLASH_BANK_NUMBER;
 #endif
-#if defined(STM32L4xx) || defined(STM32WBxx)
+#if defined (STM32G0xx) || defined(STM32L4xx) || defined(STM32WBxx)
   EraseInitStruct.Page = FLASH_PAGE_NUMBER;
 #else
   EraseInitStruct.PageAddress = FLASH_BASE_ADDRESS;
@@ -233,7 +234,7 @@ void eeprom_buffer_flush(void)
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
                            FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR);
 #endif
-#elif defined (STM32L4xx) || defined (STM32WBxx)
+#elif defined (STM32G0xx) || defined (STM32L4xx) || defined (STM32WBxx)
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS);
 #else
     __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR);

cores/arduino/stm32/timer.c

@@ -695,7 +695,7 @@ uint32_t getTimerClkFreq(TIM_TypeDef *tim)
       uwAPBxPrescaler = clkconfig.APB1CLKDivider;
       uwTimclock = HAL_RCC_GetPCLK1Freq();
       break;
-#ifndef STM32F0xx
+#if !defined(STM32F0xx) && !defined(STM32G0xx)
     case 2:
       uwAPBxPrescaler = clkconfig.APB2CLKDivider;
       uwTimclock = HAL_RCC_GetPCLK2Freq();

cores/arduino/stm32/timer.h

@@ -76,7 +76,7 @@ struct timer_s {
 #define MAX_FREQ  65535
 
 #if defined(TIM1_BASE) && !defined(TIM1_IRQn)
-#if defined(STM32F0xx)
+#if defined(STM32F0xx) || defined(STM32G0xx)
 #define TIM1_IRQn TIM1_BRK_UP_TRG_COM_IRQn
 #define TIM1_IRQHandler TIM1_BRK_UP_TRG_COM_IRQHandler
 #elif defined(STM32F1xx)
@@ -98,11 +98,21 @@ struct timer_s {
 #endif
 #endif
 #if defined(TIM6_BASE) && !defined(TIM6_IRQn)
-#if !defined(STM32F1xx) && !defined(STM32L1xx)
+#if defined(STM32G0xx)
+#define TIM6_IRQn TIM6_DAC_LPTIM1_IRQn
+#define TIM6_IRQHandler TIM6_DAC_LPTIM1_IRQHandler
+#elif !defined(STM32F1xx) && !defined(STM32L1xx)
 #define TIM6_IRQn TIM6_DAC_IRQn
 #define TIM6_IRQHandler TIM6_DAC_IRQHandler
 #endif
 #endif
+#if defined(TIM7_BASE) && !defined(TIM7_IRQn)
+#if defined(STM32G0xx)
+#define TIM7_IRQn TIM7_LPTIM2_IRQn
+#define TIM7_IRQHandler TIM7_LPTIM2_IRQHandler
+#endif
+#endif
+
 #if defined(TIM8_BASE) && !defined(TIM8_IRQn)
 #if defined(STM32F1xx) || defined(STM32F2xx) ||defined(STM32F4xx) || defined(STM32F7xx)\
  || defined(STM32H7xx)

cores/arduino/stm32/twi.c

@@ -124,9 +124,9 @@ void i2c_custom_init(i2c_t *obj, i2c_timing_e timing, uint32_t addressingMode, u
     __HAL_RCC_I2C1_RELEASE_RESET();
 
     obj->irq = I2C1_EV_IRQn;
-#if !defined(STM32F0xx) && !defined(STM32L0xx)
+#if !defined(STM32F0xx) && !defined(STM32G0xx) && !defined(STM32L0xx)
     obj->irqER = I2C1_ER_IRQn;
-#endif // !defined(STM32F0xx) && !defined(STM32L0xx)
+#endif // !defined(STM32F0xx) && !defined(STM32G0xx) && !defined(STM32L0xx)
     i2c_handles[I2C1_INDEX] = handle;
   }
 #endif // I2C1_BASE
@@ -137,9 +137,9 @@ void i2c_custom_init(i2c_t *obj, i2c_timing_e timing, uint32_t addressingMode, u
     __HAL_RCC_I2C2_FORCE_RESET();
     __HAL_RCC_I2C2_RELEASE_RESET();
     obj->irq = I2C2_EV_IRQn;
-#if !defined(STM32F0xx) && !defined(STM32L0xx)
+#if !defined(STM32F0xx) && !defined(STM32G0xx) && !defined(STM32L0xx)
     obj->irqER = I2C2_ER_IRQn;
-#endif // !defined(STM32F0xx) && !defined(STM32L0xx)
+#endif // !defined(STM32F0xx) && !defined(STM32G0xx) && !defined(STM32L0xx)
     i2c_handles[I2C2_INDEX] = handle;
   }
 #endif // I2C2_BASE
@@ -176,8 +176,8 @@ void i2c_custom_init(i2c_t *obj, i2c_timing_e timing, uint32_t addressingMode, u
 
   handle->Instance             = obj->i2c;
 #if defined (STM32F0xx) || defined (STM32F3xx) || defined (STM32F7xx) ||\
-    defined (STM32H7xx) || defined (STM32L0xx) || defined (STM32L4xx) ||\
-    defined (STM32WBxx)
+    defined (STM32G0xx) || defined (STM32H7xx) || defined (STM32L0xx) ||\
+     defined (STM32L4xx) || defined (STM32WBxx)
   handle->Init.Timing      = timing;
 #else
   handle->Init.ClockSpeed      = timing;
@@ -252,8 +252,8 @@ void i2c_setTiming(i2c_t *obj, uint32_t frequency)
   }
 
 #if defined (STM32F0xx) || defined (STM32F3xx) || defined (STM32F7xx) ||\
-    defined (STM32H7xx) || defined (STM32L0xx) || defined (STM32L4xx) ||\
-    defined (STM32WBxx)
+    defined (STM32G0xx) || defined (STM32H7xx) || defined (STM32L0xx) ||\
+     defined (STM32L4xx) || defined (STM32WBxx)
   obj->handle.Init.Timing = f;
 #else
   obj->handle.Init.ClockSpeed = f;

cores/arduino/stm32/twi.h

@@ -56,7 +56,7 @@ extern "C" {
 #define I2C_TXRX_BUFFER_SIZE    32
 
 /* Redefinition of IRQ for F0 & L0 family */
-#if defined(STM32F0xx) || defined(STM32L0xx)
+#if defined(STM32F0xx) || defined(STM32G0xx) || defined(STM32L0xx)
 #if defined(I2C1_BASE)
 #define I2C1_EV_IRQn        I2C1_IRQn
 #define I2C1_EV_IRQHandler  I2C1_IRQHandler

cores/arduino/stm32/uart.h

@@ -86,9 +86,13 @@ struct serial_s {
 #else
 #define USART3_IRQn USART3_4_IRQn
 #define USART3_IRQHandler USART3_4_IRQHandler
-
 #endif /* STM32F091xC || STM32F098xx */
 #endif /* STM32F0xx */
+
+#if defined(STM32G0xx)
+#define USART3_IRQn USART3_4_LPUART1_IRQn
+#define USART3_IRQHandler USART3_4_LPUART1_IRQHandler
+#endif /* STM32G0xx */
 #endif
 
 #if defined(USART4_BASE) && !defined(USART4_IRQn)
@@ -104,6 +108,10 @@ struct serial_s {
 #elif defined(STM32L0xx)
 #define USART4_IRQn USART4_5_IRQn
 #endif /* STM32F0xx */
+#if defined(STM32G0xx)
+#define USART4_IRQn USART3_4_LPUART1_IRQn
+#endif /* STM32G0xx */
+
 #endif
 
 #if defined(USART5_BASE) && !defined(USART5_IRQn)
@@ -142,6 +150,12 @@ struct serial_s {
 #endif
 #endif /* STM32F0xx */
 
+#if defined(STM32G0xx)
+#if defined(LPUART1_BASE) && !defined(LPUART1_IRQn)
+#define LPUART1_IRQn USART3_4_LPUART1_IRQn
+#endif
+#endif /* STM32G0xx */
+
 /* Exported macro ------------------------------------------------------------*/
 /* Exported functions ------------------------------------------------------- */
 void uart_init(serial_t *obj);