[问题讨论] SPI0i为什么使能通不过？

hujj 2018-9-20 11:52 楼主

我用厂家的SPI范例测试，程序不能运行，经过逐行排查，发现程序运行到SPI0_enable时就停顿了，我在KEIL5里debug是可以运行过这行的，可是下载到板上却运行不过这行，请教大家这应该是什么问题呢？
程序代码：
#include "gd32f3x0.h"
#include "gd32f3x0_it.h"
#include "GD32-Colibri-F350Rx.h"
#define arraysize       10
uint32_t send_n = 0, receive_n = 0;
uint8_t spi0_send_array[arraysize] = {0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA };
uint8_t spi1_receive_array[arraysize];
ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint8_t length);
void rcu_config(void);
void gpio_config(void);
void spi_config(void);
/*!
\brief    main function
\param[in]  none
\param[out] none
\retval    none
*/
int main(void)
{
/* init led1 */
gd_eval_led_init (LED1);
/* NVIC config */
nvic_priority_group_set(NVIC_PRIGROUP_PRE1_SUB3);
nvic_irq_enable(SPI0_IRQn,1,1);
nvic_irq_enable(SPI1_IRQn,0,1);
/* peripheral clock enable外围时钟使能 */
rcu_config();
/* GPIO config */
gpio_config();
/* SPI config */
spi_config();
/* SPI int enable 启用中断*/
spi_i2s_interrupt_enable(SPI0, SPI_I2S_INT_TBE);
spi_i2s_interrupt_enable(SPI1, SPI_I2S_INT_RBNE);
/* SPI enable */
spi_enable(SPI1);
spi_enable(SPI0); //运行停顿的语句，我将此行移到spi_enable(SPI1)之前，也同样运行不过去。
/* wait transmit complete等待发送完成 */
while(receive_n < arraysize);
/* compare receive data with send data 比较接收数据与发送数据*/
if(memory_compare(spi1_receive_array, spi0_send_array, arraysize))
      gd_eval_led_on(LED1);
else
      gd_eval_led_off(LED1);
while(1);

}
/*!
\brief    configure different peripheral clocks
\param[in]  none
\param[out] none
\retval    none
*/
void rcu_config(void)
{
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_SPI0);
rcu_periph_clock_enable(RCU_SPI1);
}
/*!
\brief    configure the GPIO peripheral
\param[in]  none
\param[out] none
\retval    none
*/
void gpio_config(void)
{
/* SPI0 GPIO config: SCK/PA5, MOSI/PA7  */
gpio_af_set(GPIOA, GPIO_AF_0, GPIO_PIN_5 | GPIO_PIN_7);
gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_5 | GPIO_PIN_7);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_5 | GPIO_PIN_7);
/* SPI1 GPIO config: SCK/PB13, MISO/PB14 */
gpio_af_set(GPIOB, GPIO_AF_0, GPIO_PIN_13 | GPIO_PIN_14);
gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_13 | GPIO_PIN_14);
gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_13 | GPIO_PIN_14);
}
/*!
\brief    configure the SPI peripheral
\param[in]  none
\param[out] none
\retval    none
*/
void spi_config(void)
{
spi_parameter_struct  spi_init_struct;
/* SPI0 parameter config */
spi_init_struct.trans_mode = SPI_TRANSMODE_BDTRANSMIT;
spi_init_struct.device_mode = SPI_MASTER;;
spi_init_struct.frame_size = SPI_FRAMESIZE_8BIT;;
spi_init_struct.clock_polarity_phase = SPI_CK_PL_HIGH_PH_2EDGE;
spi_init_struct.nss = SPI_NSS_SOFT;
spi_init_struct.prescale = SPI_PSC_8 ;
spi_init_struct.endian = SPI_ENDIAN_MSB;;
spi_init(SPI0, &spi_init_struct);
/* SPI1 parameter config */
spi_init_struct.trans_mode = SPI_TRANSMODE_BDRECEIVE;
spi_init_struct.device_mode = SPI_SLAVE;
spi_init_struct.nss = SPI_NSS_SOFT;
spi_init(SPI1, &spi_init_struct);
}
/*!
\brief    memory compare function
\param[in]  src : source data pointer
\param[in]  dst : destination data pointer
\param[in]  length : the compare data length
\param[out] none
\retval    ErrStatus : ERROR or SUCCESS
*/
ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint8_t length)
{
while (length--){
      if (*src++ != *dst++)
         return ERROR;
}
return SUCCESS;
}