hw.c

#include <stdio.h>
#include <string.h>
#include <errno.h>

#include "hw.h"
#include "hw_clock.h"
#include "hw_can.h"
#include "hw_tick.h"
#include "hw_usart.h"
#include "hw_conf.h"

#define cm_enable_interrupts() __asm__ __volatile__ ("cpsie i")
#define cm_disable_interrupts() __asm__ __volatile__ ("cpsid i")

static uint8_t usart_tx_ring_buffer[512];
static uint8_t usart_rx_ring_buffer[32];

void hw_setup(void)
{
	cm_disable_interrupts();

	hw_clock_setup();

	hw_gpio_setup();

	hw_systick_setup();

	hw_usart_setup(hw_usart_get(), 38400, usart_tx_ring_buffer, sizeof(usart_tx_ring_buffer), usart_rx_ring_buffer, sizeof(usart_rx_ring_buffer));

	hw_can_setup(hw_can_get_mscan(), e_speed_125);

	hw_conf_setup();

	cm_enable_interrupts();
}

void hw_sleep(void)
{
	cm_disable_interrupts();

	hw_gpio_disable();

	hw_systick_disable();

	hw_usart_disable(hw_usart_get());

	hw_can_sleep(hw_can_get_mscan());

	cm_enable_interrupts();

	hw_cpu_sleep();
}