auracaster/hci_uart_iso_timesync
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gpio, uart0 and uart1 working

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This commit is contained in:
Dirk Helbig
2024-06-13 23:27:45 +02:00
parent 0d653e4844
commit b7aad65f5b
4 changed files with 47 additions and 9 deletions
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6
README.md
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@@ -1,6 +1,6 @@
# build for USB CDC
```sh
west build -b nrf5340dk_nrf5340_cpuapp -- -DDTC_OVERLAY_FILE=usb.overlay -DOVERLAY_CONFIG=overlay-usb.conf
west build -b nrf5340dk_nrf5340_cpuapp -- -DEXTRA_DTC_OVERLAY_FILE=usb.overlay -DOVERLAY_CONFIG=overlay-usb.conf
```
# build for build in serial adapter of the nrf5340_audio_dk a.k. uart0
@@ -10,10 +10,10 @@ west build -b nrf5340_audio_dk_nrf5340_cpuapp
# build for uart1 a.k. arduino_serial
```sh
west build -b nrf5340_audio_dk_nrf5340_cpuapp -- -DDTC_OVERLAY_FILE=uart1.overlay
west build -b nrf5340_audio_dk_nrf5340_cpuapp -- -DEXTRA_DTC_OVERLAY_FILE=uart1.overlay
```
# build for debug and uart1
```sh
west build -b nrf5340_audio_dk_nrf5340_cpuapp -- -DDTC_OVERLAY_FILE=uart1.overlay -DOVERLAY_CONFIG=debug.conf
west build -b nrf5340_audio_dk_nrf5340_cpuapp -- -DEXTRA_DTC_OVERLAY_FILE=uart1.overlay -DOVERLAY_CONFIG=debug.conf
```

10
boards/nrf5340_audio_dk_nrf5340_cpuapp.overlay Normal file
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@@ -0,0 +1,10 @@
/ {
host_interface {
compatible = "gpio-outputs";
status = "okay";
timesync: pin_0 {
gpios = <&arduino_header 10 GPIO_ACTIVE_HIGH>;
label = "Controller to host timesync pin";
};
};
};

36
src/main.c
View File

@@ -19,6 +19,8 @@
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <zephyr/drivers/uart.h>
#include <zephyr/drivers/bluetooth/hci_driver.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/usb/usb_device.h>
@@ -258,7 +260,8 @@ static void tx_thread(void *p1, void *p2, void *p3)
buf = net_buf_get(&tx_queue, K_FOREVER);
/* Pass buffer to the stack */
err = bt_send(buf);
if (err) {
if ((err!=BT_HCI_ERR_SUCCESS) &&
(err!=BT_HCI_ERR_EXT_HANDLED)) {
LOG_ERR("Unable to send (err %d)", err);
net_buf_unref(buf);
}
@@ -356,6 +359,14 @@ static int hci_uart_init(void)
SYS_INIT(hci_uart_init, APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
#define TIMESYNC_GPIO DT_NODELABEL(timesync)
#if DT_NODE_HAS_STATUS(TIMESYNC_GPIO, okay)
static const struct gpio_dt_spec timesync_pin = GPIO_DT_SPEC_GET(TIMESYNC_GPIO, gpios);
#else
#error "No timesync gpio available!"
#endif
#define HCI_CMD_ISO_TIMESYNC (0x100)
struct hci_cmd_iso_timestamp_response {
@@ -363,8 +374,6 @@ struct hci_cmd_iso_timestamp_response {
uint32_t timestamp;
} __packed;
#include <zephyr/drivers/bluetooth/hci_driver.h>
uint8_t hci_cmd_iso_timesync_cb(struct net_buf *buf)
{
struct net_buf *rsp;
@@ -384,7 +393,9 @@ uint8_t hci_cmd_iso_timesync_cb(struct net_buf *buf)
h4_send( rsp );
// gpio_pin_configure_dt(&led, (buf->data[0] != 0) ? GPIO_OUTPUT_ACTIVE : GPIO_OUTPUT_INACTIVE);
#if DT_NODE_HAS_STATUS(TIMESYNC_GPIO, okay)
gpio_pin_toggle_dt( &timesync_pin );
#endif
return BT_HCI_ERR_EXT_HANDLED;
}
@@ -427,13 +438,17 @@ int main(void)
}
}
/* Register set_led_state command */
/* Register iso_timesync command */
static struct bt_hci_raw_cmd_ext cmd_list = {
.op = BT_OP(BT_OGF_VS, HCI_CMD_ISO_TIMESYNC),
.min_len = 1,
.func = hci_cmd_iso_timesync_cb
};
#if DT_NODE_HAS_STATUS(TIMESYNC_GPIO, okay)
gpio_pin_configure_dt(&timesync_pin, GPIO_OUTPUT_INACTIVE);
#endif
bt_hci_raw_cmd_ext_register(&cmd_list, 1);
/* Spawn the TX thread and start feeding commands and data to the
@@ -444,7 +459,16 @@ int main(void)
NULL, NULL, NULL, K_PRIO_COOP(7), 0, K_NO_WAIT);
k_thread_name_set(&tx_thread_data, "HCI uart TX");
while (1) {
#if 0
while (1) {
uint8_t c = 'A';
uart_fifo_fill(hci_uart_dev, &c, 1);
uart_irq_tx_enable(hci_uart_dev);
k_sleep( K_MSEC(100) );
}
#endif
while (1) {
struct net_buf *buf;
buf = net_buf_get(&rx_queue, K_FOREVER);

4
uart1.overlay
View File

@@ -1,4 +1,8 @@
&gpio_fwd {
status = "disabled";
};
&uart1 {
status = "okay";
current-speed = <115200>;