added defines of external event selections for regular and injected groups

Author: stevstrong

STM32F1/system/libmaple/stm32f1/include/series/adc.h

@@ -86,9 +86,23 @@ extern const struct adc_dev *ADC3;
 #define ADC_CR2_RSTCAL                  (1U << ADC_CR2_RSTCAL_BIT)
 #define ADC_CR2_DMA                     (1U << ADC_CR2_DMA_BIT)
 #define ADC_CR2_ALIGN                   (1U << ADC_CR2_ALIGN_BIT)
-#define ADC_CR2_JEXTSEL                 0x7000
+#define ADC_CR2_JEXTSEL_TIM1_TRGO       (0x0 << 12)
+#define ADC_CR2_JEXTSEL_TIM1_CC4        (0x1 << 12)
+#define ADC_CR2_JEXTSEL_TIM2_TRGO       (0x2 << 12)
+#define ADC_CR2_JEXTSEL_TIM2_CC1        (0x3 << 12)
+#define ADC_CR2_JEXTSEL_TIM3_CC4        (0x4 << 12)
+#define ADC_CR2_JEXTSEL_TIM4_TRGO       (0x5 << 12)
+#define ADC_CR2_JEXTSEL_EXTI15          (0x6 << 12)
+#define ADC_CR2_JEXTSEL_JSWSTART        (0x7 << 12)
 #define ADC_CR2_JEXTTRIG                (1U << ADC_CR2_JEXTTRIG_BIT)
-#define ADC_CR2_EXTSEL                  0xE0000
+#define ADC_CR2_EXTSEL_TIM1_CC1         (0x0 << 17)
+#define ADC_CR2_EXTSEL_TIM1_CC2         (0x1 << 17)
+#define ADC_CR2_EXTSEL_TIM1_CC3         (0x2 << 17)
+#define ADC_CR2_EXTSEL_TIM2_CC2         (0x3 << 17)
+#define ADC_CR2_EXTSEL_TIM3_TRGO        (0x4 << 17)
+#define ADC_CR2_EXTSEL_TIM4_CC4         (0x5 << 17)
+#define ADC_CR2_EXTSEL_EXTI11           (0x6 << 17)
+#define ADC_CR2_EXTSEL_SWSTART          (0x7 << 17)
 #define ADC_CR2_EXTTRIG                 (1U << ADC_CR2_EXTTRIG_BIT)
 #define ADC_CR2_JSWSTART                (1U << ADC_CR2_JSWSTART_BIT)
 #define ADC_CR2_SWSTART                 (1U << ADC_CR2_SWSTART_BIT)