From 99299986e194337b05ee81cfb7c4aa1cb9e9a74e Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 19 Dec 2017 16:56:33 -0800
Subject: altos/attiny: Add ADC implementation

It's primitive, but might serve to read ADC values. Untested.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/attiny/ao_arch.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/attiny/ao_arch.h')

diff --git a/src/attiny/ao_arch.h b/src/attiny/ao_arch.h
index 3a34f417..68f5702d 100644
--- a/src/attiny/ao_arch.h
+++ b/src/attiny/ao_arch.h
@@ -85,4 +85,7 @@ ao_eeprom_read(uint16_t addr, void *buf, uint16_t len);
 void
 ao_eeprom_write(uint16_t addr, void *buf, uint16_t len);
 
+uint16_t
+ao_adc_read(uint8_t mux);
+
 #endif /* _AO_ARCH_H_ */
-- 
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