*
* 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
(reg) |= (mask); \
} while (0)
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<(bit)),bus,speed)
+#define ao_spi_get_bit(reg,bit,bus,speed) ao_spi_get_mask(reg,(1<<(bit)),bus,speed)
-#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<(bit)),bus)
+#define ao_spi_put_bit(reg,bit,bus) ao_spi_put_mask(reg,(1<<(bit)),bus)
#define ao_gpio_token_paster(x,y) x ## y
#define ao_gpio_token_evaluator(x,y) ao_gpio_token_paster(x,y)
-#define ao_gpio_set(port, bit, pin, v) do { \
+#define ao_gpio_set(port, bit, v) do { \
if (v) \
PORTB |= (1 << bit); \
else \
PORTB &= ~(1 << bit); \
} while (0)
+#define ao_gpio_get(port, bit) ((PORTB >> (bit)) & 1)
+
/*
* The SPI mutex must be held to call either of these
* functions -- this mutex covers the entire SPI operation,
* from chip select low to chip select high
*/
-#define ao_enable_output(port, bit, pin, v) do { \
- ao_gpio_set(port, bit, pin, v); \
+#define ao_enable_output(port, bit, v) do { \
+ ao_gpio_set(port, bit, v); \
ao_gpio_token_evaluator(DDR,port) |= (1 << bit); \
} while (0)
void
-ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant;
+ao_spi_send_bus(void *block, uint16_t len);
void
-ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant;
+ao_spi_recv_bus(void *block, uint16_t len);
#define ao_spi_send(block, len, bus) ao_spi_send_bus(block, len)
#define ao_spi_recv(block, len, bus) ao_spi_recv_bus(block, len)
/* notask.c */
uint8_t
-ao_sleep(__xdata void *wchan);
+ao_sleep(void *wchan);
void
-ao_wakeup(__xdata void *wchan);
+ao_wakeup(void *wchan);
extern alt_t ao_max_height;