A missing zero. Also, let products change this value if desired to
improve high-impedence performance.
Signed-off-by: Keith Packard <keithp@keithp.com>
/* ADC clock is divided by this value + 1, which ensures that
* the ADC clock will be strictly less than 4.5MHz as required
*/
/* ADC clock is divided by this value + 1, which ensures that
* the ADC clock will be strictly less than 4.5MHz as required
*/
-#define AO_ADC_CLKDIV (AO_LPC_SYSCLK / 450000)
+#ifndef AO_LPC_ADC_CLOCK
+#define AO_LPC_ADC_CLOCK 4500000
+#endif
+#define AO_ADC_CLKDIV (AO_LPC_SYSCLK / AO_LPC_ADC_CLOCK)
static uint8_t ao_adc_ready;
static uint8_t ao_adc_sequence;
static uint8_t ao_adc_ready;
static uint8_t ao_adc_sequence;