djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mimxrt: Integrate support for WiFi via the CYW43 driver.

Browse Source 
This commit adds the necessary configuration and hooks to get the CYW43
driver working with the mimxrt port.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader 2023-05-02 12:44:05 +02:00 committed by Damien George
parent 46d83d9748
commit 772a36098f
7 changed files with 209 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
ports/mimxrt/board_init.c
View File

@ -63,6 +63,7 @@ void board_init(void) {
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_PRIORITYGROUP_4, 0, 0));
// USB0
usb_phy0_init(0b0111, 0b0110, 0b0110); // Configure nominal values for D_CAL and TXCAL45DP/DN

155
ports/mimxrt/cyw43_configport.h Normal file
View File

@ -0,0 +1,155 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Damien P. George
* Copyright (c) 2022 Jim Mussared
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_STM32_CYW43_CONFIGPORT_H
#define MICROPY_INCLUDED_STM32_CYW43_CONFIGPORT_H
// The board-level config will be included here, so it can set some CYW43 values.
#include "py/mpconfig.h"
#include "py/mperrno.h"
#include "py/mphal.h"
#include "extmod/modnetwork.h"
#include "pendsv.h"
#include "sdio.h"
#define CYW43_USE_SPI (0)
#define CYW43_LWIP (1)
#define CYW43_USE_STATS (0)
#ifndef CYW43_CHIPSET_FIRMWARE_INCLUDE_FILE
#define CYW43_CHIPSET_FIRMWARE_INCLUDE_FILE "lib/cyw43-driver/firmware/w4343WA1_7_45_98_50_combined.h"
#endif
#ifndef CYW43_WIFI_NVRAM_INCLUDE_FILE
#define CYW43_WIFI_NVRAM_INCLUDE_FILE "lib/cyw43-driver/firmware/wifi_nvram_1dx.h"
#endif
#define CYW43_IOCTL_TIMEOUT_US (1000000)
#define CYW43_SLEEP_MAX (50)
#define CYW43_NETUTILS (1)
#define CYW43_CLEAR_SDIO_INT (1)
#define CYW43_EPERM MP_EPERM // Operation not permitted
#define CYW43_EIO MP_EIO // I/O error
#define CYW43_EINVAL MP_EINVAL // Invalid argument
#define CYW43_ETIMEDOUT MP_ETIMEDOUT // Connection timed out
#define CYW43_THREAD_ENTER MICROPY_PY_LWIP_ENTER
#define CYW43_THREAD_EXIT MICROPY_PY_LWIP_EXIT
#define CYW43_THREAD_LOCK_CHECK
#define CYW43_HOST_NAME mod_network_hostname
#define CYW43_SDPCM_SEND_COMMON_WAIT __WFI();
#define CYW43_DO_IOCTL_WAIT __WFI();
#define CYW43_ARRAY_SIZE(a) MP_ARRAY_SIZE(a)
#define CYW43_HAL_PIN_MODE_INPUT MP_HAL_PIN_MODE_INPUT
#define CYW43_HAL_PIN_MODE_OUTPUT MP_HAL_PIN_MODE_OUTPUT
#define CYW43_HAL_PIN_PULL_NONE MP_HAL_PIN_PULL_NONE
#define CYW43_HAL_PIN_PULL_UP MP_HAL_PIN_PULL_UP
#define CYW43_HAL_PIN_PULL_DOWN MP_HAL_PIN_PULL_DOWN
#define CYW43_HAL_MAC_WLAN0 MP_HAL_MAC_WLAN0
#define cyw43_hal_ticks_us mp_hal_ticks_us
#define cyw43_hal_ticks_ms mp_hal_ticks_ms
#define cyw43_hal_pin_obj_t mp_hal_pin_obj_t
#define cyw43_hal_pin_read mp_hal_pin_read
#define cyw43_hal_pin_low mp_hal_pin_low
#define cyw43_hal_pin_high mp_hal_pin_high
#define cyw43_hal_get_mac mp_hal_get_mac
#define cyw43_hal_get_mac_ascii mp_hal_get_mac_ascii
#define cyw43_hal_generate_laa_mac mp_hal_generate_laa_mac
#define cyw43_delay_us mp_hal_delay_us
#define cyw43_delay_ms mp_hal_delay_ms
#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
#define CYW43_PIN_BT_REG_ON MICROPY_HW_BT_REG_ON
#ifdef MICROPY_HW_BT_HOST_WAKE
#define CYW43_PIN_BT_HOST_WAKE MICROPY_HW_BT_HOST_WAKE
#endif
#ifdef MICROPY_HW_BT_DEV_WAKE
#define CYW43_PIN_BT_DEV_WAKE MICROPY_HW_BT_DEV_WAKE
#endif
#ifdef MICROPY_HW_BT_CTS
#define CYW43_PIN_BT_CTS MICROPY_HW_BT_CTS
#endif
#if MICROPY_HW_ENABLE_RF_SWITCH
#define CYW43_PIN_WL_RFSW_VDD pin_WL_RFSW_VDD
#endif
#define cyw43_schedule_internal_poll_dispatch(func) pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, func)
static inline void cyw43_hal_pin_config(cyw43_hal_pin_obj_t pin, uint8_t mode, uint8_t pull, uint8_t alt) {
machine_pin_set_mode(pin, mode);
}
static inline void cyw43_hal_pin_config_irq_falling(cyw43_hal_pin_obj_t pin, int enable) {
if (enable) {
machine_pin_config(pin, PIN_MODE_IT_FALLING, PIN_PULL_UP_100K, 0, 0, PIN_AF_MODE_ALT5);
}
}
static inline void cyw43_sdio_init(void) {
sdio_init(NVIC_EncodePriority(NVIC_PRIORITYGROUP_4, 14, 0));
}
static inline void cyw43_sdio_reinit(void) {
sdio_reenable();
}
static inline void cyw43_sdio_deinit(void) {
sdio_deinit();
}
static inline void cyw43_sdio_set_irq(bool enable) {
sdio_enable_irq(enable);
}
static inline void cyw43_sdio_enable_high_speed_4bit(void) {
sdio_enable_high_speed_4bit();
}
static inline int cyw43_sdio_transfer(uint32_t cmd, uint32_t arg, uint32_t *resp) {
return sdio_transfer(cmd, arg, resp);
}
static inline int cyw43_sdio_transfer_cmd53(bool write, uint32_t block_size, uint32_t arg, size_t len, uint8_t *buf) {
return sdio_transfer_cmd53(write, block_size, arg, len, buf);
}
#define CYW43_EVENT_POLL_HOOK MICROPY_EVENT_POLL_HOOK
#endif // MICROPY_INCLUDED_STM32_CYW43_CONFIGPORT_H

13
ports/mimxrt/machine_pin.c
View File

@ -34,6 +34,9 @@
#include "shared/runtime/mpirq.h"
#include "extmod/virtpin.h"
#include "pin.h"
#if MICROPY_PY_NETWORK_CYW43
#include "pendsv.h"
#endif
// Local functions
STATIC mp_obj_t machine_pin_obj_init_helper(const machine_pin_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
@ -98,6 +101,16 @@ void call_handler(GPIO_Type *gpio, int gpio_nr, int pin) {
if (isr & mask) {
gpio->ISR = mask; // clear the ISR flag
int index = GET_PIN_IRQ_INDEX(gpio_nr, pin);
#if MICROPY_PY_NETWORK_CYW43
extern void (*cyw43_poll)(void);
const machine_pin_obj_t *pin = MICROPY_HW_WL_HOST_WAKE;
if (pin->gpio == gpio && pin->pin == (index % 32)) {
if (cyw43_poll) {
pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, cyw43_poll);
}
return;
}
#endif
machine_pin_irq_obj_t *irq = MP_STATE_PORT(machine_pin_irq_objects[index]);
if (irq != NULL) {
irq->flags = irq->trigger;

14
ports/mimxrt/main.c
View File

@ -43,6 +43,9 @@
#if MICROPY_PY_LWIP
#include "lwip/init.h"
#include "lwip/apps/mdns.h"
#if MICROPY_PY_NETWORK_CYW43
#include "lib/cyw43-driver/src/cyw43.h"
#endif
#endif
#include "systick.h"
#include "extmod/modnetwork.h"
@ -69,6 +72,17 @@ int main(void) {
systick_enable_dispatch(SYSTICK_DISPATCH_LWIP, mod_network_lwip_poll_wrapper);
#endif
#if MICROPY_PY_NETWORK_CYW43
{
cyw43_init(&cyw43_state);
uint8_t buf[8];
memcpy(&buf[0], "PYBD", 4);
mp_hal_get_mac_ascii(MP_HAL_MAC_WLAN0, 8, 4, (char *)&buf[4]);
cyw43_wifi_ap_set_ssid(&cyw43_state, 8, buf);
cyw43_wifi_ap_set_password(&cyw43_state, 8, (const uint8_t *)"pybd0123");
}
#endif
for (;;) {
#if defined(MICROPY_HW_LED1)
led_init();

8
ports/mimxrt/mpconfigport.h
View File

@ -170,12 +170,20 @@ extern const struct _mp_obj_type_t network_lan_type;
#define MICROPY_HW_NIC_ETH
#endif
#if MICROPY_PY_NETWORK_CYW43
extern const struct _mp_obj_type_t mp_network_cyw43_type;
#define MICROPY_HW_NIC_CYW43 { MP_ROM_QSTR(MP_QSTR_WLAN), MP_ROM_PTR(&mp_network_cyw43_type) },
#else
#define MICROPY_HW_NIC_CYW43
#endif
#ifndef MICROPY_BOARD_NETWORK_INTERFACES
#define MICROPY_BOARD_NETWORK_INTERFACES
#endif
#define MICROPY_PORT_NETWORK_INTERFACES \
MICROPY_HW_NIC_ETH \
MICROPY_HW_NIC_CYW43 \
MICROPY_BOARD_NETWORK_INTERFACES \
#ifndef MICROPY_BOARD_ROOT_POINTERS

15
ports/mimxrt/mpnetworkport.c
View File

@ -43,6 +43,11 @@
#include "lwip/dhcp.h"
#include "lwip/apps/mdns.h"
#if MICROPY_PY_NETWORK_CYW43
#include "extmod/network_cyw43.h"
#include "lib/cyw43-driver/src/cyw43.h"
#endif
// Poll lwIP every 128ms
#define LWIP_TICK(tick) (((tick) & ~(SYSTICK_DISPATCH_NUM_SLOTS - 1) & 0x7f) == 0)
@ -59,6 +64,16 @@ void mod_network_lwip_poll_wrapper(uint32_t ticks_ms) {
if (LWIP_TICK(ticks_ms)) {
pendsv_schedule_dispatch(PENDSV_DISPATCH_LWIP, pyb_lwip_poll);
}
#if MICROPY_PY_NETWORK_CYW43
if (cyw43_poll) {
if (cyw43_sleep != 0) {
if (--cyw43_sleep == 0) {
pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, cyw43_poll);
}
}
}
#endif
}
#endif // MICROPY_PY_LWIP

3
ports/mimxrt/pendsv.h
View File

@ -31,6 +31,9 @@ enum {
#if MICROPY_PY_NETWORK && MICROPY_PY_LWIP
PENDSV_DISPATCH_LWIP,
#endif
#if MICROPY_PY_NETWORK_CYW43
PENDSV_DISPATCH_CYW43,
#endif
MICROPY_BOARD_PENDSV_ENTRIES
PENDSV_DISPATCH_MAX
};