@@ -55,14 +55,14 @@ static void usart_async_rxc_callback(const struct usart_async_descriptor *const
5555}
5656
5757void common_hal_busio_uart_construct (busio_uart_obj_t * self ,
58- const mcu_pin_obj_t * tx , const mcu_pin_obj_t * rx ,
59- const mcu_pin_obj_t * rts , const mcu_pin_obj_t * cts ,
60- const mcu_pin_obj_t * rs485_dir , bool rs485_invert ,
58+ const mcu_pin_obj_t * tx , const mcu_pin_obj_t * rx ,
59+ const mcu_pin_obj_t * rts , const mcu_pin_obj_t * cts ,
60+ const mcu_pin_obj_t * rs485_dir , bool rs485_invert ,
6161 uint32_t baudrate , uint8_t bits , busio_uart_parity_t parity , uint8_t stop ,
62- mp_float_t timeout , uint16_t receiver_buffer_size , byte * receiver_buffer ,
62+ mp_float_t timeout , uint16_t receiver_buffer_size , byte * receiver_buffer ,
6363 bool sigint_enabled ) {
6464
65- Sercom * sercom = NULL ;
65+ Sercom * sercom = NULL ;
6666 uint8_t sercom_index = 255 ; // Unset index
6767 uint32_t rx_pinmux = 0 ;
6868 uint8_t rx_pad = 255 ; // Unset pad
@@ -88,29 +88,29 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
8888 self -> timeout_ms = timeout * 1000 ;
8989
9090 // This assignment is only here because the usart_async routines take a *const argument.
91- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
91+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
9292
9393 for (int i = 0 ; i < NUM_SERCOMS_PER_PIN ; i ++ ) {
94- Sercom * potential_sercom = NULL ;
94+ Sercom * potential_sercom = NULL ;
9595 if (have_tx ) {
9696 sercom_index = tx -> sercom [i ].index ;
9797 if (sercom_index >= SERCOM_INST_NUM ) {
9898 continue ;
9999 }
100100 potential_sercom = sercom_insts [sercom_index ];
101- #ifdef SAMD21
102- if (potential_sercom -> USART .CTRLA .bit .ENABLE != 0 ||
101+ #ifdef SAMD21
102+ if (potential_sercom -> USART .CTRLA .bit .ENABLE != 0 ||
103103 !(tx -> sercom [i ].pad == 0 ||
104104 tx -> sercom [i ].pad == 2 )) {
105105 continue ;
106106 }
107- #endif
108- #ifdef SAM_D5X_E5X
109- if (potential_sercom -> USART .CTRLA .bit .ENABLE != 0 ||
107+ #endif
108+ #ifdef SAM_D5X_E5X
109+ if (potential_sercom -> USART .CTRLA .bit .ENABLE != 0 ||
110110 !(tx -> sercom [i ].pad == 0 )) {
111111 continue ;
112112 }
113- #endif
113+ #endif
114114 tx_pinmux = PINMUX (tx -> number , (i == 0 ) ? MUX_C : MUX_D );
115115 tx_pad = tx -> sercom [i ].pad ;
116116 if (rx == NULL ) {
@@ -158,7 +158,7 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
158158 // self->buffer, so do it manually. (However, as long as internal
159159 // pointers like this are NOT moved, allocating the buffer
160160 // in the long-lived pool is not strictly necessary)
161- self -> buffer = (uint8_t * ) gc_alloc (self -> buffer_length * sizeof (uint8_t ), false, true);
161+ self -> buffer = (uint8_t * )gc_alloc (self -> buffer_length * sizeof (uint8_t ), false, true);
162162 if (self -> buffer == NULL ) {
163163 common_hal_busio_uart_deinit (self );
164164 mp_raise_msg_varg (& mp_type_MemoryError , translate ("Failed to allocate RX buffer of %d bytes" ), self -> buffer_length * sizeof (uint8_t ));
@@ -191,24 +191,24 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
191191 // Doing a group mask and set of the registers saves 60 bytes over setting the bitfields individually.
192192
193193 sercom -> USART .CTRLA .reg &= ~(SERCOM_USART_CTRLA_TXPO_Msk |
194- SERCOM_USART_CTRLA_RXPO_Msk |
195- SERCOM_USART_CTRLA_FORM_Msk );
194+ SERCOM_USART_CTRLA_RXPO_Msk |
195+ SERCOM_USART_CTRLA_FORM_Msk );
196196 sercom -> USART .CTRLA .reg |= SERCOM_USART_CTRLA_TXPO (tx_pad / 2 ) |
197- SERCOM_USART_CTRLA_RXPO (rx_pad ) |
198- (parity == BUSIO_UART_PARITY_NONE ? 0 : SERCOM_USART_CTRLA_FORM (1 ));
197+ SERCOM_USART_CTRLA_RXPO (rx_pad ) |
198+ (parity == BUSIO_UART_PARITY_NONE ? 0 : SERCOM_USART_CTRLA_FORM (1 ));
199199
200200 // Enable tx and/or rx based on whether the pins were specified.
201201 // CHSIZE is 0 for 8 bits, 5, 6, 7 for 5, 6, 7 bits. 1 for 9 bits, but we don't support that.
202202 sercom -> USART .CTRLB .reg &= ~(SERCOM_USART_CTRLB_TXEN |
203- SERCOM_USART_CTRLB_RXEN |
204- SERCOM_USART_CTRLB_PMODE |
205- SERCOM_USART_CTRLB_SBMODE |
206- SERCOM_USART_CTRLB_CHSIZE_Msk );
203+ SERCOM_USART_CTRLB_RXEN |
204+ SERCOM_USART_CTRLB_PMODE |
205+ SERCOM_USART_CTRLB_SBMODE |
206+ SERCOM_USART_CTRLB_CHSIZE_Msk );
207207 sercom -> USART .CTRLB .reg |= (have_tx ? SERCOM_USART_CTRLB_TXEN : 0 ) |
208- (have_rx ? SERCOM_USART_CTRLB_RXEN : 0 ) |
209- (parity == BUSIO_UART_PARITY_ODD ? SERCOM_USART_CTRLB_PMODE : 0 ) |
210- (stop > 1 ? SERCOM_USART_CTRLB_SBMODE : 0 ) |
211- SERCOM_USART_CTRLB_CHSIZE (bits % 8 );
208+ (have_rx ? SERCOM_USART_CTRLB_RXEN : 0 ) |
209+ (parity == BUSIO_UART_PARITY_ODD ? SERCOM_USART_CTRLB_PMODE : 0 ) |
210+ (stop > 1 ? SERCOM_USART_CTRLB_SBMODE : 0 ) |
211+ SERCOM_USART_CTRLB_CHSIZE (bits % 8 );
212212
213213 // Set baud rate
214214 common_hal_busio_uart_set_baudrate (self , baudrate );
@@ -227,7 +227,7 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
227227 gpio_set_pin_direction (tx -> number , GPIO_DIRECTION_OUT );
228228 gpio_set_pin_pull_mode (tx -> number , GPIO_PULL_OFF );
229229 gpio_set_pin_function (tx -> number , tx_pinmux );
230- self -> tx_pin = tx -> number ;
230+ self -> tx_pin = tx -> number ;
231231 claim_pin (tx );
232232 } else {
233233 self -> tx_pin = NO_PIN ;
@@ -237,7 +237,7 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
237237 gpio_set_pin_direction (rx -> number , GPIO_DIRECTION_IN );
238238 gpio_set_pin_pull_mode (rx -> number , GPIO_PULL_OFF );
239239 gpio_set_pin_function (rx -> number , rx_pinmux );
240- self -> rx_pin = rx -> number ;
240+ self -> rx_pin = rx -> number ;
241241 claim_pin (rx );
242242 } else {
243243 self -> rx_pin = NO_PIN ;
@@ -255,7 +255,7 @@ void common_hal_busio_uart_deinit(busio_uart_obj_t *self) {
255255 return ;
256256 }
257257 // This assignment is only here because the usart_async routines take a *const argument.
258- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
258+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
259259 usart_async_disable (usart_desc_p );
260260 usart_async_deinit (usart_desc_p );
261261 reset_pin_number (self -> rx_pin );
@@ -271,7 +271,7 @@ size_t common_hal_busio_uart_read(busio_uart_obj_t *self, uint8_t *data, size_t
271271 }
272272
273273 // This assignment is only here because the usart_async routines take a *const argument.
274- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
274+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
275275
276276 if (len == 0 ) {
277277 // Nothing to read.
@@ -328,7 +328,7 @@ size_t common_hal_busio_uart_write(busio_uart_obj_t *self, const uint8_t *data,
328328 }
329329
330330 // This assignment is only here because the usart_async routines take a *const argument.
331- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
331+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
332332
333333 struct io_descriptor * io ;
334334 usart_async_get_io_descriptor (usart_desc_p , & io );
@@ -359,21 +359,21 @@ uint32_t common_hal_busio_uart_get_baudrate(busio_uart_obj_t *self) {
359359
360360void common_hal_busio_uart_set_baudrate (busio_uart_obj_t * self , uint32_t baudrate ) {
361361 // This assignment is only here because the usart_async routines take a *const argument.
362- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
362+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
363363 usart_async_set_baud_rate (usart_desc_p ,
364- // Samples and ARITHMETIC vs FRACTIONAL must correspond to USART_SAMPR in
365- // hpl_sercom_config.h.
366- _usart_async_calculate_baud_rate ( baudrate , // e.g. 9600 baud
367- PROTOTYPE_SERCOM_USART_ASYNC_CLOCK_FREQUENCY ,
368- 16 , // samples
369- USART_BAUDRATE_ASYNCH_ARITHMETIC ,
370- 0 // fraction - not used for ARITHMETIC
371- ));
364+ // Samples and ARITHMETIC vs FRACTIONAL must correspond to USART_SAMPR in
365+ // hpl_sercom_config.h.
366+ _usart_async_calculate_baud_rate ( baudrate , // e.g. 9600 baud
367+ PROTOTYPE_SERCOM_USART_ASYNC_CLOCK_FREQUENCY ,
368+ 16 , // samples
369+ USART_BAUDRATE_ASYNCH_ARITHMETIC ,
370+ 0 // fraction - not used for ARITHMETIC
371+ ));
372372 self -> baudrate = baudrate ;
373373}
374374
375375mp_float_t common_hal_busio_uart_get_timeout (busio_uart_obj_t * self ) {
376- return (mp_float_t ) (self -> timeout_ms / 1000.0f );
376+ return (mp_float_t )(self -> timeout_ms / 1000.0f );
377377}
378378
379379void common_hal_busio_uart_set_timeout (busio_uart_obj_t * self , mp_float_t timeout ) {
@@ -382,15 +382,15 @@ void common_hal_busio_uart_set_timeout(busio_uart_obj_t *self, mp_float_t timeou
382382
383383uint32_t common_hal_busio_uart_rx_characters_available (busio_uart_obj_t * self ) {
384384 // This assignment is only here because the usart_async routines take a *const argument.
385- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
385+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
386386 struct usart_async_status async_status ;
387387 usart_async_get_status (usart_desc_p , & async_status );
388388 return async_status .rxcnt ;
389389}
390390
391391void common_hal_busio_uart_clear_rx_buffer (busio_uart_obj_t * self ) {
392392 // This assignment is only here because the usart_async routines take a *const argument.
393- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
393+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
394394 usart_async_flush_rx_buffer (usart_desc_p );
395395
396396}
@@ -401,7 +401,7 @@ bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self) {
401401 return false;
402402 }
403403 // This assignment is only here because the usart_async routines take a *const argument.
404- struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const ) & self -> usart_desc ;
404+ struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const )& self -> usart_desc ;
405405 struct usart_async_status async_status ;
406406 usart_async_get_status (usart_desc_p , & async_status );
407407 return !(async_status .flags & USART_ASYNC_STATUS_BUSY );
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