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drivers/cywbt: Switch to new CYW43 BTHCI UART backend. #16848

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Merged
merged 4 commits into from
Apr 22, 2025
Merged

drivers/cywbt: Switch to new CYW43 BTHCI UART backend. #16848

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399c10d
mimxrt/machine_uart: Enable CTS SION so it can be read.
iabdalkader Mar 3, 2025
3bbed95
mimxrt/cyw43_configport: Update cyw43 config to use new BTHCI UART.
iabdalkader Mar 3, 2025
0f36088
stm32/cyw43_configport: Update cyw43 config to use new BTHCI UART.
iabdalkader Mar 30, 2025
0b72962
drivers/cyw43: Remove old BTHCI UART backend.
iabdalkader Mar 30, 2025
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17 changes: 0 additions & 17 deletions drivers/cyw43/README.md
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304 changes: 0 additions & 304 deletions drivers/cyw43/cywbt.c
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1 change: 0 additions & 1 deletion ports/mimxrt/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,6 @@ endif

ifeq ($(MICROPY_PY_BLUETOOTH),1)
SRC_C += mpbthciport.c
DRIVERS_SRC_C += drivers/cyw43/cywbt.c
endif # MICROPY_PY_BLUETOOTH

ifeq ($(MICROPY_BLUETOOTH_NIMBLE),1)
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25 changes: 25 additions & 0 deletions ports/mimxrt/cyw43_configport.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,12 @@
#include "py/mperrno.h"
#include "py/mphal.h"
#include "extmod/modnetwork.h"
#include "extmod/mpbthci.h"
#include "pendsv.h"
#include "sdio.h"

#define CYW43_USE_SPI (0)
#define CYW43_ENABLE_BLUETOOTH_OVER_UART (1)
#define CYW43_LWIP (1)
#define CYW43_USE_STATS (0)

Expand All @@ -47,6 +49,18 @@
#define CYW43_WIFI_NVRAM_INCLUDE_FILE "lib/cyw43-driver/firmware/wifi_nvram_1dx.h"
#endif

#ifndef CYW43_BT_FIRMWARE_INCLUDE_FILE
#define CYW43_BT_FIRMWARE_INCLUDE_FILE "lib/cyw43-driver/firmware/cyw43_btfw_4343A1.h"
#endif

#ifdef MICROPY_HW_BLE_UART_BAUDRATE_SECONDARY
#define CYW43_BT_UART_BAUDRATE_ACTIVE_USE MICROPY_HW_BLE_UART_BAUDRATE_SECONDARY
#endif

#ifdef MICROPY_HW_BLE_UART_BAUDRATE_DOWNLOAD_FIRMWARE
#define CYW43_BT_UART_BAUDRATE_DOWNLOAD_FIRMWARE MICROPY_HW_BLE_UART_BAUDRATE_DOWNLOAD_FIRMWARE
#endif

#define CYW43_IOCTL_TIMEOUT_US (1000000)
#define CYW43_SLEEP_MAX (50)
#define CYW43_NETUTILS (1)
Expand Down Expand Up @@ -75,6 +89,7 @@
#define CYW43_HAL_PIN_PULL_DOWN MP_HAL_PIN_PULL_DOWN

#define CYW43_HAL_MAC_WLAN0 MP_HAL_MAC_WLAN0
#define CYW43_HAL_MAC_BDADDR MP_HAL_MAC_BDADDR

#define cyw43_hal_ticks_us mp_hal_ticks_us
#define cyw43_hal_ticks_ms mp_hal_ticks_ms
Expand All @@ -88,9 +103,19 @@
#define cyw43_hal_get_mac_ascii mp_hal_get_mac_ascii
#define cyw43_hal_generate_laa_mac mp_hal_generate_laa_mac

#define cyw43_hal_uart_set_baudrate mp_bluetooth_hci_uart_set_baudrate
#define cyw43_hal_uart_write mp_bluetooth_hci_uart_write
#define cyw43_hal_uart_readchar mp_bluetooth_hci_uart_readchar

#define cyw43_delay_us mp_hal_delay_us
#define cyw43_delay_ms mp_hal_delay_ms

#define cyw43_bluetooth_controller_init mp_bluetooth_hci_controller_init
#define cyw43_bluetooth_controller_deinit mp_bluetooth_hci_controller_deinit
#define cyw43_bluetooth_controller_woken mp_bluetooth_hci_controller_woken
#define cyw43_bluetooth_controller_wakeup mp_bluetooth_hci_controller_wakeup
#define cyw43_bluetooth_controller_sleep_maybe mp_bluetooth_hci_controller_sleep_maybe

#define CYW43_PIN_WL_REG_ON MICROPY_HW_WL_REG_ON
#define CYW43_PIN_WL_HOST_WAKE MICROPY_HW_WL_HOST_WAKE
#define CYW43_PIN_WL_SDIO_1 MICROPY_HW_SDIO_D1
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2 changes: 1 addition & 1 deletion ports/mimxrt/machine_uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ bool lpuart_set_iomux_cts(int8_t uart) {
int index = (uart - 1) * 2;

if (CTS.muxRegister != 0) {
IOMUXC_SetPinMux(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister, 0U);
IOMUXC_SetPinMux(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister, 1U);
IOMUXC_SetPinConfig(CTS.muxRegister, CTS.muxMode, CTS.inputRegister, CTS.inputDaisy, CTS.configRegister,
pin_generate_config(PIN_PULL_UP_100K, PIN_MODE_IN, PIN_DRIVE_6, CTS.configRegister));
return true;
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