Lines Matching +full:controller +full:- +full:data +full:- +full:delay +full:- +full:us

1 /* spi.c - SPI based Bluetooth driver */
8  * SPDX-License-Identifier: Apache-2.0
54 #define SPI_MAX_MSG_LEN		255 /* As defined by X-NUCLEO-IDB04A1 BSP */
62 #define MAX_MTU (SPI_MAX_MSG_LEN - H4_HDR_SIZE - BT_L2CAP_HDR_SIZE - BT_HCI_ACL_HDR_SIZE)
156 		return -EINVAL;  in bt_spi_get_header()
168 			/* When reading, keep looping if there is not yet any data */  in bt_spi_get_header()
244 	struct bt_spi_data *hci = dev->data;  in bt_spi_rx_thread()
265 		/* Delay here is rounded up to next tick */  in bt_spi_rx_thread()
267 		/* Read data */  in bt_spi_rx_thread()
273 					/* Consider increasing controller-data-delay-us  in bt_spi_rx_thread()
276 					LOG_DBG("Controller not ready for SPI transaction "  in bt_spi_rx_thread()
293 		/* Construct net_buf from SPI data */  in bt_spi_rx_thread()
296 			/* Handle the received HCI data */  in bt_spi_rx_thread()
297 			hci->recv(dev, buf);  in bt_spi_rx_thread()
313 	if (buf->len >= SPI_MAX_MSG_LEN) {  in bt_spi_send()
314 		LOG_ERR("Message too long (%d)", buf->len);  in bt_spi_send()
315 		return -EINVAL;  in bt_spi_send()
331 		return -EINVAL;  in bt_spi_send()
335 	size = MIN(buf->len, size);  in bt_spi_send()
337 	if (size < buf->len) {  in bt_spi_send()
338 		LOG_WRN("Unable to write full data, skipping");  in bt_spi_send()
340 		ret = -ECANCELED;  in bt_spi_send()
344 		/* Delay here is rounded up to next tick */  in bt_spi_send()
348 			ret = bt_spi_transceive(buf->data, size,  in bt_spi_send()
353 			/* Consider increasing controller-data-delay-us  in bt_spi_send()
356 			LOG_DBG("Controller not ready for SPI transaction of %d bytes", size);  in bt_spi_send()
367 	LOG_HEXDUMP_DBG(buf->data, buf->len, "SPI TX");  in bt_spi_send()
377 	struct bt_spi_data *hci = dev->data;  in bt_spi_open()
386 	/* Configure IRQ pin and the IRQ call-back/handler */  in bt_spi_open()
404 	hci->recv = recv;  in bt_spi_open()
418 	/* Device will let us know when it's ready */  in bt_spi_open()
435 		return -ENODEV;  in bt_spi_init()
440 		return -ENODEV;  in bt_spi_init()
445 		return -ENODEV;  in bt_spi_init()