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70
NSPE/Example/USART/Synchronous/gd32w51x_libopt.h Normal file
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/*!
\file gd32w51x_libopt.h
\brief library optional for gd32w51x
\version 2021-10-30, V1.0.0, firmware for GD32W51x
*/
/*
Copyright (c) 2021, GigaDevice Semiconductor Inc.
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 GD32W51X_LIBOPT_H
#define GD32W51X_LIBOPT_H
#include "gd32w51x_adc.h"
#include "gd32w51x_cau.h"
#include "gd32w51x_crc.h"
#include "gd32w51x_dbg.h"
#include "gd32w51x_dci.h"
#include "gd32w51x_dma.h"
#include "gd32w51x_efuse.h"
#include "gd32w51x_exti.h"
#include "gd32w51x_fmc.h"
#include "gd32w51x_fwdgt.h"
#include "gd32w51x_gpio.h"
#include "gd32w51x_hau.h"
#include "gd32w51x_hpdf.h"
#include "gd32w51x_i2c.h"
#include "gd32w51x_icache.h"
#include "gd32w51x_misc.h"
#include "gd32w51x_pkcau.h"
#include "gd32w51x_pmu.h"
#include "gd32w51x_qspi.h"
#include "gd32w51x_rcu.h"
#include "gd32w51x_rtc.h"
#include "gd32w51x_sdio.h"
#include "gd32w51x_spi.h"
#include "gd32w51x_sqpi.h"
#include "gd32w51x_syscfg.h"
#include "gd32w51x_timer.h"
#include "gd32w51x_trng.h"
#include "gd32w51x_tsi.h"
#include "gd32w51x_tzpcu.h"
#include "gd32w51x_usart.h"
#include "gd32w51x_wwdgt.h"
#endif /* GD32W51X_LIBOPT_H */

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NSPE/Example/USART/Synchronous/main.c Normal file
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/*!
\file main.c
\brief USART synchronous
\version 2021-10-30, V1.0.0, firmware for GD32W51x
*/
/*
Copyright (c) 2021, GigaDevice Semiconductor Inc.
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 "gd32w51x.h"
#include "gd32w515p_eval.h"
#include <stdio.h>
#define txbuffer_size1 (countof(txbuffer1))
#define txbuffer_size2 (countof(txbuffer2))
#define DYMMY_BYTE 0x00
#define countof(a) (sizeof(a) / sizeof(*(a)))
uint8_t txbuffer1[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F};
uint8_t txbuffer2[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F};
uint8_t rxbuffer1[txbuffer_size2];
uint8_t rxbuffer2[txbuffer_size1];
__IO uint8_t data_read1 = txbuffer_size2;
__IO uint8_t data_read2 = txbuffer_size1;
__IO uint8_t tx_counter1 = 0, rx_counter1 = 0;
__IO uint8_t tx_counter2 = 0, rx_counter2 = 0;
__IO ErrStatus state1 = ERROR;
__IO ErrStatus state2 = ERROR;
void usart_config(void);
void spi_config(void);
void led_init(void);
ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint16_t length);
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
/* initialize leds */
led_init();
/* turn off LED1~2 */
gd_eval_led_off(LED1);
gd_eval_led_off(LED2);
/* configure USART */
usart_config();
/* configure SPI */
spi_config();
while(data_read2--){
while(RESET == usart_flag_get(USART0, USART_FLAG_TBE)){
}
/* write one byte in the USART0 data register */
usart_data_transmit(USART0, txbuffer1[tx_counter1++]);
/* wait until end of transmit */
while(RESET == usart_flag_get(USART0, USART_FLAG_TC)){
}
/* wait the byte is entirely received by SPI0 */
while(RESET == spi_i2s_flag_get(SPI0, SPI_FLAG_RBNE)){
}
/* store the received byte in the rxbuffer2 */
rxbuffer2[rx_counter2++] = spi_i2s_data_receive(SPI0);
}
/* clear the USART0 data register */
usart_data_receive(USART0);
while(data_read1--){
/* wait until end of transmit */
while(RESET == spi_i2s_flag_get(SPI0, SPI_FLAG_TBE)){
}
/* write one byte in the SPI0 transmit data register */
spi_i2s_data_transmit(SPI0, txbuffer2[tx_counter2++]);
/* send a dummy byte to generate clock to slave */
usart_data_transmit(USART0, DYMMY_BYTE);
/* wait until end of transmit */
while(RESET == usart_flag_get(USART0, USART_FLAG_TC)){
}
/* wait the byte is entirely received by USART0 */
while(RESET == usart_flag_get(USART0, USART_FLAG_RBNE)){
}
/* store the received byte in the rxbuffer1 */
rxbuffer1[rx_counter1++] = usart_data_receive(USART0);
}
/* check the received data with the send ones */
state1 = memory_compare(txbuffer1, rxbuffer2, txbuffer_size1);
state2 = memory_compare(txbuffer2, rxbuffer1, txbuffer_size2);
if(SUCCESS == state1){
/* if the data transmitted from USART0 and received by SPI0 are the same */
gd_eval_led_on(LED1);
}else{
/* if the data transmitted from USART0 and received by SPI0 are not the same */
gd_eval_led_off(LED1);
}
if(SUCCESS == state2){
/* if the data transmitted from SPI0 and received by USART0 are the same */
gd_eval_led_on(LED2);
}else{
/* if the data transmitted from SPI0 and received by USART0 are not the same */
gd_eval_led_off(LED2);
}
while(1){
}
}
/*!
\brief configure USART
\param[in] none
\param[out] none
\retval none
*/
void usart_config(void)
{
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_USART0);
/* configure USART TX,RX and CK pin */
gpio_af_set(GPIOA, GPIO_AF_7, GPIO_PIN_8);
gpio_af_set(GPIOA, GPIO_AF_0, GPIO_PIN_0 | GPIO_PIN_1);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_25MHZ, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8);
gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_8);
/* configure USART synchronous mode */
usart_clock_enable(USART0);
usart_synchronous_clock_config(USART0, USART_CLEN_EN, USART_CPH_2CK, USART_CPL_HIGH);
/* configurate USART baudrate */
usart_baudrate_set(USART0, 115200);
/* disable USART hardware flow */
usart_hardware_flow_rts_config(USART0, USART_RTS_DISABLE);
usart_hardware_flow_cts_config(USART0, USART_CTS_DISABLE);
/* configure USART transmitter */
usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
/* configure USART receiver */
usart_receive_config(USART0, USART_RECEIVE_ENABLE);
/* enable USART */
usart_enable(USART0);
}
/*!
\brief configure SPI
\param[in] none
\param[out] none
\retval none
*/
void spi_config(void)
{
spi_parameter_struct spi_init_parameter;
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_SPI0);
spi_i2s_deinit(SPI0);
gpio_af_set(GPIOA, GPIO_AF_5, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
/* configure SPI0 */
spi_init_parameter.device_mode = SPI_SLAVE;
spi_init_parameter.trans_mode = SPI_TRANSMODE_FULLDUPLEX;
spi_init_parameter.frame_size = SPI_FRAMESIZE_8BIT;
spi_init_parameter.nss = SPI_NSS_SOFT;
spi_init_parameter.endian = SPI_ENDIAN_LSB;
spi_init_parameter.clock_polarity_phase = SPI_CK_PL_HIGH_PH_2EDGE;
spi_init_parameter.prescale = SPI_PSC_32;
spi_init(SPI0, &spi_init_parameter);
/* SPI0 enable */
spi_enable(SPI0);
}
/*!
\brief initialize leds
\param[in] none
\param[out] none
\retval none
*/
void led_init(void)
{
gd_eval_led_init(LED1);
gd_eval_led_init(LED2);
}
/*!
\brief memory compare function
\param[in] src: source data
\param[in] dst: destination data
\param[in] length: the compare data length
\param[out] none
\retval ErrStatus: ERROR or SUCCESS
*/
ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint16_t length)
{
while(length--){
if(*src++ != *dst++){
return ERROR;
}
}
return SUCCESS;
}

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NSPE/Example/USART/Synchronous/readme.txt Normal file
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/*!
\file readme.txt
\brief USART synchronous
\version 2021-10-30, V1.0.0, firmware for GD32W51x
*/
/*
Copyright (c) 2021, GigaDevice Semiconductor Inc.
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.
*/
This example is based on the GD32W515P-EVAL-V1.0 board, it provides a basic
communication between USART0 (Synchronous mode) and SPI0. First, USART0
transmits a series of data to SPI0, then SPI0 transmits a series of data
to USART0. Compare the transmitted data and the received data. If the
data transmitted from USART0 and received by SPI0 are the same, LED1 will be
on, otherwise off. If the data transmitted from SPI0 and received by USART0
are the same, LED2 will be on, otherwise off.
connect SPI0 SCK pin(PA5) TO USART0_CK pin(PA8)
connect SPI0 MISO pin(PA6) TO USART0_RX pin(PA1)
connect SPI0 MOSI pin(PA7) TO USART0_TX pin(PA0)