mcu_api.h

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 * Copyright (c) 2015, Intel Corporation
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without modification,
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 * 2. Redistributions in binary form must reproduce the above copyright notice, 
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#ifndef __MCUAPI_H
#define __MCUAPI_H

#define DBG_FATAL 1
#define DBG_ERROR 2
#define DBG_WARNING 3
#define DBG_INFO 4
#define DBG_DEBUG 5

int api_version();

int gpio_read(int gpio);

void gpio_write(int gpio, int val);

void gpio_setup(int gpio, int direction);

#define IRQ_NONE    0
#define IRQ_HANDLED 1

typedef int (*irq_handler_t)(int irq);

int gpio_register_interrupt(int gpio, int int_mode, irq_handler_t fn);

int uart_setup(unsigned char port, int baudrate);

int uart_read(unsigned char port, unsigned char *buf, unsigned char len);

int uart_write(unsigned char port, unsigned char *buf, unsigned char len);

int pwm_configure(unsigned char port, int duty_ns, int period_ns);

int pwm_enable(unsigned char port);

int pwm_disable(unsigned char port);

int i2c_read(unsigned char addr, unsigned char reg, unsigned char *buf, int len);

int i2c_write(unsigned char addr, unsigned char reg, unsigned char *buf, int len);

void mcu_sleep(int ticks);

int mcu_delay(int delay_us);

unsigned long time_ms();

unsigned long time_us();

int host_send(unsigned char *buf, int length);

int host_receive(unsigned char *buf, int length);

void debug_print(int level, const char *fmt, ...);

int mcu_snprintf(char *buf, unsigned int size, const char *fmt, ...);
#endif