altos/stm32f1: Add ao_adc_single support

[fw/altos] / src / stm32f1 / ao_adc_stm.c

diff --git a/src/stm32f1/ao_adc_stm.c b/src/stm32f1/ao_adc_stm.c
index f552d67ddf46ba3794c87764e9a32a08624bc9d3..d7fac0d7c150f44bfd2959f66730f0420dc86f5f 100644 (file)
--- a/src/stm32f1/ao_adc_stm.c
+++ b/src/stm32f1/ao_adc_stm.c
@@ -160,7 +160,7 @@ ao_adc_dump(void)
 #ifdef AO_ADC_SQ1_NAME
                if (ao_adc_name[i])
                        printf (" %s: %5d", ao_adc_name[i], d[i]);
-               else            
+               else
 #endif
                        printf (" %2d: %5d", i, d[i]);
        }
@@ -337,6 +337,13 @@ ao_adc_init(void)
 #error "too many ADC channels"
 #endif
 
+#ifndef HAS_ADC_TEMP
+#error Please define HAS_ADC_TEMP
+#endif
+#if HAS_ADC_TEMP
+       stm_adc.cr2 |= ((1 << STM_ADC_CR2_TSVREFE));
+#endif
+
        /* Clear any stale status bits */
        stm_adc.sr = 0;