diff options
Diffstat (limited to 'os/hal/ports/STM32/STM32F0xx/adc_lld.h')
| -rw-r--r-- | os/hal/ports/STM32/STM32F0xx/adc_lld.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/os/hal/ports/STM32/STM32F0xx/adc_lld.h b/os/hal/ports/STM32/STM32F0xx/adc_lld.h index 4ccd50eb7..ec765df67 100644 --- a/os/hal/ports/STM32/STM32F0xx/adc_lld.h +++ b/os/hal/ports/STM32/STM32F0xx/adc_lld.h @@ -46,20 +46,30 @@ /** @} */
/**
- * @name Resolution
+ * @name CFGR1 register configuration helpers
* @{
*/
-#define ADC_CFGR1_RES_12BIT (0 << 3)
-#define ADC_CFGR1_RES_10BIT (1 << 3)
-#define ADC_CFGR1_RES_8BIT (2 << 3)
-#define ADC_CFGR1_RES_6BIT (3 << 3)
+#define ADC_CFGR1_RES_12BIT (0 << 3)
+#define ADC_CFGR1_RES_10BIT (1 << 3)
+#define ADC_CFGR1_RES_8BIT (2 << 3)
+#define ADC_CFGR1_RES_6BIT (3 << 3)
+
+#define ADC_CFGR1_EXTSEL_MASK (15 << 6)
+#define ADC_CFGR1_EXTSEL_SRC(n) ((n) << 6)
+
+#define ADC_CFGR1_EXTEN_MASK (3 << 10)
+#define ADC_CFGR1_EXTEN_DISABLED (0 << 10)
+#define ADC_CFGR1_EXTEN_RISING (1 << 10)
+#define ADC_CFGR1_EXTEN_FALLING (2 << 10)
+#define ADC_CFGR1_EXTEN_BOTH (3 << 10)
/** @} */
/**
* @name Threashold register initializer
* @{
*/
-#define ADC_TR(low, high) (((uint32_t)(high) << 16) | (uint32_t)(low))
+#define ADC_TR(low, high) (((uint32_t)(high) << 16) | \
+ (uint32_t)(low))
/** @} */
/*===========================================================================*/
@@ -210,6 +220,11 @@ typedef struct { /* End of the mandatory fields.*/
/**
* @brief ADC CFGR1 register initialization data.
+ * @note The bits DMAEN and DMACFG are enforced internally
+ * to the driver, keep them to zero.
+ * @note The bits @p ADC_CFGR1_CONT or @p ADC_CFGR1_DISCEN must be
+ * specified in continuous more or if the buffer depth is
+ * greater than one.
*/
uint32_t cfgr1;
/**
|