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/*
* Feb 2017 Karl Palsson <karlp@tweak.net.au>
*/
#include <stdbool.h>
#include <stdint.h>
#pragma once
struct hw_detail
{
uint32_t periph; /* eg: I2C1 */
uint32_t periph_rcc; /* eg: RCC_I2C1 */
uint32_t periph_rst; /* eg: RST_I2C1 */
uint32_t pins; /* eg: GPIO8 | GPIO9 */ /* ASSUMES SAME PORT*/
uint32_t port; /* eg GPIOB */
uint32_t port_rcc; /* eg RCC_GPIOB */
uint32_t trigger_rcc;
uint32_t trigger_port;
uint32_t trigger_pin;
int i2c_clock_megahz; /* eg 42 for APB1 on an F4@168Mhz */
};
extern struct hw_detail hw_details;
#ifdef __cplusplus
extern "C" {
#endif
/**
* Expected to setup clocks, turn on all peripherals, and configure
* any gpios necessary.
* @param hw pointer to hw details necessary
*/
void hw_setup(struct hw_detail* hw);
/* let devices have a status led */
void hw_set_led(bool val);
#ifdef __cplusplus
}
#endif
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