/*---------------------------------------
- WeAct Studio Official Link
- taobao: weactstudio.taobao.com
- aliexpress: weactstudio.aliexpress.com
- github: github.com/WeActTC
- gitee: gitee.com/WeAct-TC
- blog: www.weact-tc.cn
---------------------------------------*/

#include "board.h"

#include <stdio.h>

void board_usart0_init(void)
{
    /* enable GPIO clock */
    rcu_periph_clock_enable(RCU_GPIOA);

    /* enable USART clock */
    rcu_periph_clock_enable(RCU_USART0);

    /* connect port to USARTx_Tx */
    gpio_init(GPIOA, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);

    /* connect port to USARTx_Rx */
    gpio_init(GPIOA, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, GPIO_PIN_10);

    /* USART configure */
    usart_deinit(USART0);
    usart_baudrate_set(USART0, 115200U);
    usart_word_length_set(USART0, USART_WL_8BIT);
    usart_stop_bit_set(USART0, USART_STB_1BIT);
    usart_parity_config(USART0, USART_PM_NONE);
    usart_hardware_flow_rts_config(USART0, USART_RTS_DISABLE);
    usart_hardware_flow_cts_config(USART0, USART_CTS_DISABLE);
    usart_receive_config(USART0, USART_RECEIVE_ENABLE);
    usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
    usart_enable(USART0);
}

/* retarget the C library printf function to the USART */
int fputc(int ch, FILE *f)
{
    usart_data_transmit(USART0, (uint8_t)ch);
    while (RESET == usart_flag_get(USART0, USART_FLAG_TBE))
        ;

    return ch;
}

void board_led_init(void)
{
    /* enable the led clock */
    rcu_periph_clock_enable(RCU_GPIOB);
    /* configure led GPIO port */
    gpio_init(GPIOB, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_2);

    GPIO_BC(GPIOB) = GPIO_PIN_2;
}

void board_led_on(void)
{
    GPIO_BOP(GPIOB) = GPIO_PIN_2;
}

void board_led_off(void)
{
    GPIO_BC(GPIOB) = GPIO_PIN_2;
}

void board_led_toggle(void)
{
    gpio_bit_write(GPIOB, GPIO_PIN_2,
                   (bit_status)(1 - gpio_input_bit_get(GPIOB, GPIO_PIN_2)));
}

void board_button_init(void)
{
    /* enable the button clock */
    rcu_periph_clock_enable(RCU_GPIOA);
    rcu_periph_clock_enable(RCU_AF);

    /* configure button pin as input */
    gpio_init(GPIOA, GPIO_MODE_IPD, GPIO_OSPEED_50MHZ, GPIO_PIN_0);
}

uint8_t board_button_state_get(void)
{
    return gpio_input_bit_get(GPIOA, GPIO_PIN_0);
}