altos/attiny: Add ADC implementation

[fw/altos] / src / attiny / ao_arch.h

diff --git a/src/attiny/ao_arch.h b/src/attiny/ao_arch.h
index 8140dd30b2541da6a885b39e6b3e64e0d7a41855..68f5702d78e104293bf0b853b91dcf383f768035 100644 (file)
--- a/src/attiny/ao_arch.h
+++ b/src/attiny/ao_arch.h
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -31,6 +32,8 @@
 
 #define AO_STACK_SIZE  116
 
+#define AO_PORT_TYPE   uint8_t
+
 /* Various definitions to make GCC look more like SDCC */
 
 #define ao_arch_naked_declare  __attribute__((naked))
@@ -82,4 +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_ */