@@ -119,7 +119,7 @@ static rt_err_t configure(struct rt_spi_device* device, struct rt_spi_configurat
119119 spi_init_struct .prescale = SPI_PSC_256 ;
120120 }
121121 } /* baudrate */
122-
122+
123123 switch (configuration -> mode & RT_SPI_MODE_3 )
124124 {
125125 case RT_SPI_MODE_0 :
@@ -135,7 +135,7 @@ static rt_err_t configure(struct rt_spi_device* device, struct rt_spi_configurat
135135 spi_init_struct .clock_polarity_phase = SPI_CK_PL_HIGH_PH_2EDGE ;
136136 break ;
137137 }
138-
138+
139139 /* MSB or LSB */
140140 if (configuration -> mode & RT_SPI_MSB )
141141 {
@@ -145,7 +145,7 @@ static rt_err_t configure(struct rt_spi_device* device, struct rt_spi_configurat
145145 {
146146 spi_init_struct .endian = SPI_ENDIAN_LSB ;
147147 }
148-
148+
149149 spi_init_struct .trans_mode = SPI_TRANSMODE_FULLDUPLEX ;
150150 spi_init_struct .device_mode = SPI_MASTER ;
151151 spi_init_struct .nss = SPI_NSS_SOFT ;
@@ -181,7 +181,7 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
181181 const rt_uint8_t * send_ptr = message -> send_buf ;
182182 rt_uint8_t * recv_ptr = message -> recv_buf ;
183183 rt_uint32_t size = message -> length ;
184-
184+
185185 DEBUG_PRINTF ("spi poll transfer start: %d\n" , size );
186186
187187 while (size -- )
@@ -192,7 +192,7 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
192192 {
193193 data = * send_ptr ++ ;
194194 }
195-
195+
196196 // Todo: replace register read/write by gd32f3 lib
197197 //Wait until the transmit buffer is empty
198198 while (RESET == spi_i2s_flag_get (spi_periph , SPI_FLAG_TBE ));
@@ -267,8 +267,8 @@ int gd32_hw_spi_init(void)
267267 rcu_periph_clock_enable (RCU_SPI0 );
268268 /* SPI0_SCK(PA5), SPI0_MISO(PA6) and SPI0_MOSI(PA7) GPIO pin configuration */
269269 gpio_init (GPIOA , GPIO_MODE_AF_PP , GPIO_OSPEED_50MHZ , GPIO_PIN_5 | GPIO_PIN_7 );
270- gpio_init (GPIOA , GPIO_MODE_IN_FLOATING , GPIO_OSPEED_50MHZ , GPIO_PIN_6 );
271-
270+ gpio_init (GPIOA , GPIO_MODE_IN_FLOATING , GPIO_OSPEED_50MHZ , GPIO_PIN_6 );
271+
272272#endif
273273#ifdef RT_USING_SPI1
274274 static struct rt_spi_bus spi_bus1 ;
@@ -287,7 +287,7 @@ int gd32_hw_spi_init(void)
287287 static struct rt_spi_bus spi_bus2 ;
288288 spi_bus2 .parent .user_data = (void * )SPI2 ;
289289
290- result = rt_spi_bus_register (& spi_bus2 , "spi2" , & gd32_spi_ops );
290+ result = rt_spi_bus_register (& spi_bus2 , "spi2" , & gd32_spi_ops );
291291
292292 rcu_periph_clock_enable (RCU_SPI2 );
293293 rcu_periph_clock_enable (RCU_GPIOB );
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