STM32G0: no TIM2 for G070xx

Author: jeromecoutant

targets/TARGET_STM/TARGET_STM32G0/us_ticker_data.h

@@ -22,7 +22,9 @@
 #include "stm32g0xx.h"
 #include "stm32g0xx_ll_tim.h"
 #include "cmsis_nvic.h"
-   
+
+#if defined TIM2_BASE
+
 #define TIM_MST      TIM2
 #define TIM_MST_IRQ  TIM2_IRQn
 #define TIM_MST_RCC  __TIM2_CLK_ENABLE()
@@ -31,6 +33,18 @@
 #define TIM_MST_RESET_ON   __TIM2_FORCE_RESET()
 #define TIM_MST_RESET_OFF  __TIM2_RELEASE_RESET()
 
+#else
+
+#define TIM_MST      TIM3
+#define TIM_MST_IRQ  TIM3_IRQn
+#define TIM_MST_RCC  __TIM3_CLK_ENABLE()
+#define TIM_MST_DBGMCU_FREEZE  __HAL_DBGMCU_FREEZE_TIM3()
+
+#define TIM_MST_RESET_ON   __TIM3_FORCE_RESET()
+#define TIM_MST_RESET_OFF  __TIM3_RELEASE_RESET()
+
+#endif
+
 #define TIM_MST_BIT_WIDTH  32 // 16 or 32
 
 #define TIM_MST_PCLK  1 // Select the peripheral clock number (1 or 2)