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Add provisionary gd32f103b_eval BSP
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@maxgerhardt
maxgerhardt committed Aug 4, 2021
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231 changes: 231 additions & 0 deletions gd32/spl/libraries/gd32f10x/gd32f103b_eval/gd32f103b_eval.c
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/*!
\file gd32f10x_eval.c
\brief firmware functions to manage leds, keys, COM ports
\version 2014-12-26, V1.0.0, firmware for GD32F10x
\version 2017-06-20, V2.0.0, firmware for GD32F10x
\version 2018-07-31, V2.1.0, firmware for GD32F10x
*/

/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/

#include "gd32f10x_eval.h"

/* private variables */
static uint32_t GPIO_PORT[LEDn] = {LED2_GPIO_PORT, LED3_GPIO_PORT,
LED4_GPIO_PORT, LED5_GPIO_PORT};
static uint32_t GPIO_PIN[LEDn] = {LED2_PIN, LED3_PIN, LED4_PIN, LED5_PIN};

static rcu_periph_enum COM_CLK[COMn] = {EVAL_COM0_CLK, EVAL_COM1_CLK};
static uint32_t COM_TX_PIN[COMn] = {EVAL_COM0_TX_PIN, EVAL_COM1_TX_PIN};
static uint32_t COM_RX_PIN[COMn] = {EVAL_COM0_RX_PIN, EVAL_COM1_RX_PIN};
static uint32_t COM_GPIO_PORT[COMn] = {EVAL_COM0_GPIO_PORT, EVAL_COM1_GPIO_PORT};
static rcu_periph_enum COM_GPIO_CLK[COMn] = {EVAL_COM0_GPIO_CLK, EVAL_COM1_GPIO_CLK};

static rcu_periph_enum GPIO_CLK[LEDn] = {LED2_GPIO_CLK, LED3_GPIO_CLK,
LED4_GPIO_CLK, LED5_GPIO_CLK};

static uint32_t KEY_PORT[KEYn] = {WAKEUP_KEY_GPIO_PORT,
TAMPER_KEY_GPIO_PORT,
USER_KEY_GPIO_PORT};
static uint32_t KEY_PIN[KEYn] = {WAKEUP_KEY_PIN,
TAMPER_KEY_PIN,
USER_KEY_PIN};
static rcu_periph_enum KEY_CLK[KEYn] = {WAKEUP_KEY_GPIO_CLK,
TAMPER_KEY_GPIO_CLK,
USER_KEY_GPIO_CLK};
static exti_line_enum KEY_EXTI_LINE[KEYn] = {WAKEUP_KEY_EXTI_LINE,
TAMPER_KEY_EXTI_LINE,
USER_KEY_EXTI_LINE};
static uint8_t KEY_PORT_SOURCE[KEYn] = {WAKEUP_KEY_EXTI_PORT_SOURCE,
TAMPER_KEY_EXTI_PORT_SOURCE,
USER_KEY_EXTI_PORT_SOURCE};
static uint8_t KEY_PIN_SOURCE[KEYn] = {WAKEUP_KEY_EXTI_PIN_SOURCE,
TAMPER_KEY_EXTI_PIN_SOURCE,
USER_KEY_EXTI_PIN_SOURCE};
static uint8_t KEY_IRQn[KEYn] = {WAKEUP_KEY_EXTI_IRQn,
TAMPER_KEY_EXTI_IRQn,
USER_KEY_EXTI_IRQn};

/*!
\brief configure led GPIO
\param[in] lednum: specify the led to be configured
\arg LED2
\arg LED3
\arg LED4
\arg LED5
\param[out] none
\retval none
*/
void gd_eval_led_init(led_typedef_enum lednum)
{
/* enable the led clock */
rcu_periph_clock_enable(GPIO_CLK[lednum]);
/* configure led GPIO port */
gpio_init(GPIO_PORT[lednum], GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN[lednum]);

GPIO_BC(GPIO_PORT[lednum]) = GPIO_PIN[lednum];
}

/*!
\brief turn on selected led
\param[in] lednum: specify the led to be turned on
\arg LED2
\arg LED3
\arg LED4
\arg LED5
\param[out] none
\retval none
*/
void gd_eval_led_on(led_typedef_enum lednum)
{
GPIO_BOP(GPIO_PORT[lednum]) = GPIO_PIN[lednum];
}

/*!
\brief turn off selected led
\param[in] lednum: specify the led to be turned off
\arg LED2
\arg LED3
\arg LED4
\arg LED5
\param[out] none
\retval none
*/
void gd_eval_led_off(led_typedef_enum lednum)
{
GPIO_BC(GPIO_PORT[lednum]) = GPIO_PIN[lednum];
}

/*!
\brief toggle selected led
\param[in] lednum: specify the led to be toggled
\arg LED2
\arg LED3
\arg LED4
\arg LED5
\param[out] none
\retval none
*/
void gd_eval_led_toggle(led_typedef_enum lednum)
{
gpio_bit_write(GPIO_PORT[lednum], GPIO_PIN[lednum],
(bit_status)(1-gpio_input_bit_get(GPIO_PORT[lednum], GPIO_PIN[lednum])));
}

/*!
\brief configure key
\param[in] key_num: specify the key to be configured
\arg KEY_TAMPER: tamper key
\arg KEY_WAKEUP: wakeup key
\arg KEY_USER: user key
\param[in] key_mode: specify button mode
\arg KEY_MODE_GPIO: key will be used as simple IO
\arg KEY_MODE_EXTI: key will be connected to EXTI line with interrupt
\param[out] none
\retval none
*/
void gd_eval_key_init(key_typedef_enum key_num, keymode_typedef_enum key_mode)
{
/* enable the key clock */
rcu_periph_clock_enable(KEY_CLK[key_num]);
rcu_periph_clock_enable(RCU_AF);

/* configure button pin as input */
gpio_init(KEY_PORT[key_num], GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, KEY_PIN[key_num]);

if (key_mode == KEY_MODE_EXTI) {
/* enable and set key EXTI interrupt to the lowest priority */
nvic_irq_enable(KEY_IRQn[key_num], 2U, 0U);

/* connect key EXTI line to key GPIO pin */
gpio_exti_source_select(KEY_PORT_SOURCE[key_num], KEY_PIN_SOURCE[key_num]);

/* configure key EXTI line */
exti_init(KEY_EXTI_LINE[key_num], EXTI_INTERRUPT, EXTI_TRIG_FALLING);
exti_interrupt_flag_clear(KEY_EXTI_LINE[key_num]);
}
}

/*!
\brief return the selected key state
\param[in] key: specify the key to be checked
\arg KEY_TAMPER: tamper key
\arg KEY_WAKEUP: wakeup key
\arg KEY_USER: user key
\param[out] none
\retval the key's GPIO pin value
*/
uint8_t gd_eval_key_state_get(key_typedef_enum key)
{
return gpio_input_bit_get(KEY_PORT[key], KEY_PIN[key]);
}

/*!
\brief configure COM port
\param[in] com: COM on the board
\arg EVAL_COM0: COM0 on the board
\arg EVAL_COM1: COM1 on the board
\param[out] none
\retval none
*/
void gd_eval_com_init(uint32_t com)
{
uint32_t com_id = 0U;
if(EVAL_COM0 == com){
com_id = 0U;
}else if(EVAL_COM1 == com){
com_id = 1U;
}

/* enable GPIO clock */
rcu_periph_clock_enable(COM_GPIO_CLK[com_id]);

/* enable USART clock */
rcu_periph_clock_enable(COM_CLK[com_id]);

/* connect port to USARTx_Tx */
gpio_init(COM_GPIO_PORT[com_id], GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, COM_TX_PIN[com_id]);

/* connect port to USARTx_Rx */
gpio_init(COM_GPIO_PORT[com_id], GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, COM_RX_PIN[com_id]);

/* USART configure */
usart_deinit(com);
usart_baudrate_set(com, 115200U);
usart_word_length_set(com, USART_WL_8BIT);
usart_stop_bit_set(com, USART_STB_1BIT);
usart_parity_config(com, USART_PM_NONE);
usart_hardware_flow_rts_config(com, USART_RTS_DISABLE);
usart_hardware_flow_cts_config(com, USART_CTS_DISABLE);
usart_receive_config(com, USART_RECEIVE_ENABLE);
usart_transmit_config(com, USART_TRANSMIT_ENABLE);
usart_enable(com);
}
156 changes: 156 additions & 0 deletions gd32/spl/libraries/gd32f10x/gd32f103b_eval/gd32f103b_eval.h
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/*!
\file gd32f10x_eval.h
\brief definitions for GD32F10x_EVAL's leds, keys and COM ports hardware resources
\version 2014-12-26, V1.0.0, firmware for GD32F10x
\version 2017-06-20, V2.0.0, firmware for GD32F10x
\version 2018-07-31, V2.1.0, firmware for GD32F10x
*/

/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/

#ifndef GD32F10X_EVAL_H
#define GD32F10X_EVAL_H

#ifdef cplusplus
extern "C" {
#endif

#include "gd32f10x.h"

/* exported types */
typedef enum
{
LED2 = 0,
LED3 = 1,
LED4 = 2,
LED5 = 3
} led_typedef_enum;

typedef enum
{
KEY_WAKEUP = 0,
KEY_TAMPER = 1,
KEY_USER = 2
} key_typedef_enum;

typedef enum
{
KEY_MODE_GPIO = 0,
KEY_MODE_EXTI = 1
} keymode_typedef_enum;

/* THIS FILE IS ADAPTED FROM gd32f10x_eval.c, because there previously is no gd32f103b folder, and the pin definition in the "x" file were WRONG! not all info is corrected! */

/* eval board low layer led */
#define LEDn 4U

#define LED2_PIN GPIO_PIN_6
#define LED2_GPIO_PORT GPIOC
#define LED2_GPIO_CLK RCU_GPIOC

#define LED3_PIN GPIO_PIN_7
#define LED3_GPIO_PORT GPIOC
#define LED3_GPIO_CLK RCU_GPIOC

#define LED4_PIN GPIO_PIN_8
#define LED4_GPIO_PORT GPIOC
#define LED4_GPIO_CLK RCU_GPIOC

#define LED5_PIN GPIO_PIN_9
#define LED5_GPIO_PORT GPIOC
#define LED5_GPIO_CLK RCU_GPIOC

#define COMn 2U

#define EVAL_COM0 USART0
#define EVAL_COM0_CLK RCU_USART0
#define EVAL_COM0_TX_PIN GPIO_PIN_9
#define EVAL_COM0_RX_PIN GPIO_PIN_10
#define EVAL_COM0_GPIO_PORT GPIOA
#define EVAL_COM0_GPIO_CLK RCU_GPIOA

#define EVAL_COM1 USART1
#define EVAL_COM1_CLK RCU_USART1
#define EVAL_COM1_TX_PIN GPIO_PIN_2
#define EVAL_COM1_RX_PIN GPIO_PIN_3
#define EVAL_COM1_GPIO_PORT GPIOA
#define EVAL_COM1_GPIO_CLK RCU_GPIOA

#define KEYn 3U

/* wakeup push-button */
#define WAKEUP_KEY_PIN GPIO_PIN_0
#define WAKEUP_KEY_GPIO_PORT GPIOA
#define WAKEUP_KEY_GPIO_CLK RCU_GPIOA
#define WAKEUP_KEY_EXTI_LINE EXTI_0
#define WAKEUP_KEY_EXTI_PORT_SOURCE GPIO_PORT_SOURCE_GPIOA
#define WAKEUP_KEY_EXTI_PIN_SOURCE GPIO_PIN_SOURCE_0
#define WAKEUP_KEY_EXTI_IRQn EXTI0_IRQn

/* tamper push-button */
#define TAMPER_KEY_PIN GPIO_PIN_13
#define TAMPER_KEY_GPIO_PORT GPIOC
#define TAMPER_KEY_GPIO_CLK RCU_GPIOC
#define TAMPER_KEY_EXTI_LINE EXTI_13
#define TAMPER_KEY_EXTI_PORT_SOURCE GPIO_PORT_SOURCE_GPIOC
#define TAMPER_KEY_EXTI_PIN_SOURCE GPIO_PIN_SOURCE_13
#define TAMPER_KEY_EXTI_IRQn EXTI10_15_IRQn

/* user push-button */
#define USER_KEY_PIN GPIO_PIN_14
#define USER_KEY_GPIO_PORT GPIOB
#define USER_KEY_GPIO_CLK RCU_GPIOB
#define USER_KEY_EXTI_LINE EXTI_14
#define USER_KEY_EXTI_PORT_SOURCE GPIO_PORT_SOURCE_GPIOB
#define USER_KEY_EXTI_PIN_SOURCE GPIO_PIN_SOURCE_14
#define USER_KEY_EXTI_IRQn EXTI10_15_IRQn

/* function declarations */
/* configure led GPIO */
void gd_eval_led_init(led_typedef_enum lednum);
/* turn on selected led */
void gd_eval_led_on(led_typedef_enum lednum);
/* turn off selected led */
void gd_eval_led_off(led_typedef_enum lednum);
/* toggle the selected led */
void gd_eval_led_toggle(led_typedef_enum lednum);
/* configure key */
void gd_eval_key_init(key_typedef_enum key_num, keymode_typedef_enum key_mode);
/* return the selected key state */
uint8_t gd_eval_key_state_get(key_typedef_enum key);
/* configure COM port */
void gd_eval_com_init(uint32_t com);

#ifdef cplusplus
}
#endif

#endif /* GD32F10X_EVAL_H */

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