diff options
| -rw-r--r-- | ports/alif/alif.mk | 3 | ||||
| -rw-r--r-- | ports/alif/cyw43_configport.h | 123 | ||||
| -rw-r--r-- | ports/alif/cyw43_port_spi.c | 150 | ||||
| -rw-r--r-- | ports/alif/irq.h | 1 | ||||
| -rw-r--r-- | ports/alif/main.c | 15 | ||||
| -rw-r--r-- | ports/alif/mpconfigport.h | 15 | ||||
| -rw-r--r-- | ports/alif/mpnetworkport.c | 14 | ||||
| -rw-r--r-- | ports/alif/pendsv.h | 3 |
8 files changed, 323 insertions, 1 deletions
diff --git a/ports/alif/alif.mk b/ports/alif/alif.mk index e21fe74c4..179df67a5 100644 --- a/ports/alif/alif.mk +++ b/ports/alif/alif.mk @@ -115,6 +115,7 @@ SRC_O += \ SRC_C = \ alif_flash.c \ + cyw43_port_spi.c \ fatfs_port.c \ machine_pin.c \ machine_i2c.c \ @@ -196,12 +197,12 @@ ALIF_SRC_C += $(addprefix $(ALIF_DFP_REL_TOP)/,\ Device/core/$(MCU_CORE)/source/startup_$(MCU_CORE).c \ drivers/source/adc.c \ drivers/source/i2c.c \ - drivers/source/spi.c \ drivers/source/mhu_driver.c \ drivers/source/mhu_receiver.c \ drivers/source/mhu_sender.c \ drivers/source/mram.c \ drivers/source/pinconf.c \ + drivers/source/spi.c \ drivers/source/uart.c \ drivers/source/utimer.c \ ospi_xip/source/ospi/ospi_drv.c \ diff --git a/ports/alif/cyw43_configport.h b/ports/alif/cyw43_configport.h new file mode 100644 index 000000000..b7e4ad702 --- /dev/null +++ b/ports/alif/cyw43_configport.h @@ -0,0 +1,123 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2024-2025 OpenMV LLC. + * + * 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_ALIF_CYW43_CONFIGPORT_H +#define MICROPY_INCLUDED_ALIF_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 "py/runtime.h" +#include "extmod/modnetwork.h" +#include "pendsv.h" + +#ifndef static_assert +#define static_assert(expr, msg) typedef int static_assert_##__LINE__[(expr) ? 1 : -1] +#endif + +#define CYW43_USE_SPI (1) +#define CYW43_LWIP (1) +#define CYW43_USE_STATS (0) +#define CYW43_PRINTF(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__) + +#if 0 +#define CYW43_VERBOSE_DEBUG (1) +#define CYW43_VDEBUG(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__) +#define CYW43_DEBUG(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__) +#define CYW43_INFO(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__) +#define CYW43_WARN(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__) +#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_data + +#define CYW43_SDPCM_SEND_COMMON_WAIT __WFE() +#define CYW43_DO_IOCTL_WAIT // __WFE() +#define CYW43_EVENT_POLL_HOOK mp_event_handle_nowait() + +#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 0 + +#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_PIN_WL_REG_ON pin_WL_REG_ON +#define CYW43_PIN_WL_IRQ pin_WL_IRQ + +#define cyw43_schedule_internal_poll_dispatch(func) pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, func) + +void cyw43_post_poll_hook(void); + +static inline void cyw43_delay_us(uint32_t us) { + uint32_t start = mp_hal_ticks_us(); + while (mp_hal_ticks_us() - start < us) { + } +} + +static inline void cyw43_delay_ms(uint32_t ms) { + mp_hal_delay_ms(ms); +} + +static inline void cyw43_hal_pin_config(mp_hal_pin_obj_t pin, uint32_t mode, uint32_t pull, uint32_t alt) { + if (mode == MP_HAL_PIN_MODE_INPUT) { + mp_hal_pin_input(pin); + } else { + mp_hal_pin_output(pin); + } +} + +static inline void cyw43_hal_pin_config_irq_falling(mp_hal_pin_obj_t pin, bool enable) { + mp_hal_pin_config_irq_falling(pin, enable); +} + +#endif // MICROPY_INCLUDED_ALIF_CYW43_CONFIGPORT_H diff --git a/ports/alif/cyw43_port_spi.c b/ports/alif/cyw43_port_spi.c new file mode 100644 index 000000000..84d84b0e1 --- /dev/null +++ b/ports/alif/cyw43_port_spi.c @@ -0,0 +1,150 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2024-2025 OpenMV LLC. + * + * 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. + */ + +#if MICROPY_PY_NETWORK_CYW43 + +#include "lib/cyw43-driver/src/cyw43.h" +#include "lib/cyw43-driver/src/cyw43_internal.h" +#include "lib/cyw43-driver/src/cyw43_spi.h" + +#include "spi.h" +#include "sys_ctrl_spi.h" + +// CYW43 is connected to SPI3. +#define HW_SPI ((SPI_Type *)SPI3_BASE) +#define SPI_BAUDRATE (16000000) +#define SPI_RX_FIFO_SIZE (16) + +// WL_IRQ is on P9_6. +#define WL_IRQ_IRQN (GPIO9_IRQ6_IRQn) +#define WL_IRQ_HANDLER GPIO9_IRQ6Handler + +// Must run at IRQ priority above PendSV so it can wake cyw43-driver when PendSV is disabled. +void WL_IRQ_HANDLER(void) { + if (gpio_read_int_rawstatus(pin_WL_IRQ->gpio, pin_WL_IRQ->pin)) { + gpio_interrupt_eoi(pin_WL_IRQ->gpio, pin_WL_IRQ->pin); + pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, cyw43_poll); + __SEV(); + } +} + +static void spi_bus_init(void) { + // Configure pins. + mp_hal_pin_output(pin_WL_CS); + mp_hal_pin_high(pin_WL_CS); + // NOTE: Alif recommends enabled input read for all SPI pins. + mp_hal_pin_config(pin_WL_SCLK, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_8MA, MP_HAL_PIN_ALT_SPI, true); + mp_hal_pin_config(pin_WL_MOSI, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_8MA, MP_HAL_PIN_ALT_SPI, true); + mp_hal_pin_config(pin_WL_MISO, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_HIGH, MP_HAL_PIN_DRIVE_8MA, MP_HAL_PIN_ALT_SPI, true); + + // Starts out clock_polarity=1, clock_phase=0. + spi_mode_master(HW_SPI); + spi_set_bus_speed(HW_SPI, SPI_BAUDRATE, GetSystemAHBClock()); + spi_set_mode(HW_SPI, SPI_MODE_2); + spi_set_protocol(HW_SPI, SPI_PROTO_SPI); + spi_set_dfs(HW_SPI, 8); + spi_set_tmod(HW_SPI, SPI_TMOD_TX_AND_RX); + spi_control_ss(HW_SPI, 0, SPI_SS_STATE_ENABLE); +} + +int cyw43_spi_init(cyw43_int_t *self) { + spi_bus_init(); + + // Configure IRQ for WL_IRQ (active low input). + NVIC_SetPriority(WL_IRQ_IRQN, IRQ_PRI_CYW43); + NVIC_ClearPendingIRQ(WL_IRQ_IRQN); + NVIC_EnableIRQ(WL_IRQ_IRQN); + + return 0; +} + +void cyw43_spi_deinit(cyw43_int_t *self) { + // Disable clock, SS and SPI. + spi_mask_interrupts(HW_SPI); + spi_control_ss(HW_SPI, 0, 0); + spi_disable(HW_SPI); + + // Disable SPI IRQ. + NVIC_DisableIRQ(WL_IRQ_IRQN); + NVIC_ClearPendingIRQ(WL_IRQ_IRQN); +} + +void cyw43_spi_gpio_setup(void) { +} + +void cyw43_spi_reset(void) { +} + +void cyw43_spi_set_polarity(cyw43_int_t *self, int pol) { + (void)self; + + if (pol == 0) { + spi_set_mode(HW_SPI, SPI_MODE_0); + } else { + spi_set_mode(HW_SPI, SPI_MODE_2); + } +} + +// tx must not be NULL. +// rx_len must be 0, or the same as tx_len. +int cyw43_spi_transfer(cyw43_int_t *self, const uint8_t *tx, size_t tx_len, uint8_t *rx, size_t rx_len) { + (void)self; + + if (tx_len == 0 && rx_len == 0) { + return 0; + } + + mp_hal_pin_low(pin_WL_CS); + + // Must read the same amount of data that is written out to SPI. + rx_len = tx_len; + + while (tx_len || rx_len) { + // Only add data to the TX FIFO if: + // - there's data to add + // - and TX is not ahead of RX by more than the RX FIFO size + // - and there's space in the TX FIFO + if (tx_len && tx_len + SPI_RX_FIFO_SIZE > rx_len && (HW_SPI->SPI_SR & SPI_SR_TFNF) != 0) { + HW_SPI->SPI_DR[0] = *tx++; + --tx_len; + } + + // Take data from the RX FIFO and store it into the output buffer (if given). + if (rx_len && (HW_SPI->SPI_SR & SPI_SR_RFNE) != 0) { + uint8_t data = HW_SPI->SPI_DR[0]; + if (rx != NULL) { + *rx++ = data; + } + --rx_len; + } + } + + mp_hal_pin_high(pin_WL_CS); + + return 0; +} + +#endif diff --git a/ports/alif/irq.h b/ports/alif/irq.h index ed454adcb..08b8ef808 100644 --- a/ports/alif/irq.h +++ b/ports/alif/irq.h @@ -49,6 +49,7 @@ #define IRQ_PRI_HWSEM NVIC_EncodePriority(NVIC_PRIORITYGROUP_7, 8, 0) #define IRQ_PRI_GPU NVIC_EncodePriority(NVIC_PRIORITYGROUP_7, 10, 0) #define IRQ_PRI_RTC NVIC_EncodePriority(NVIC_PRIORITYGROUP_7, 100, 0) +#define IRQ_PRI_CYW43 NVIC_EncodePriority(NVIC_PRIORITYGROUP_7, 126, 0) #define IRQ_PRI_PENDSV NVIC_EncodePriority(NVIC_PRIORITYGROUP_7, 127, 0) // these states correspond to values from query_irq, enable_irq and disable_irq diff --git a/ports/alif/main.c b/ports/alif/main.c index 15a77348c..3bff8cf4a 100644 --- a/ports/alif/main.c +++ b/ports/alif/main.c @@ -47,6 +47,9 @@ #include "lwip/init.h" #include "lwip/apps/mdns.h" #endif +#if MICROPY_PY_NETWORK_CYW43 +#include "lib/cyw43-driver/src/cyw43.h" +#endif extern uint8_t __StackTop, __StackLimit; extern uint8_t __GcHeapStart, __GcHeapEnd; @@ -100,6 +103,18 @@ int main(void) { mod_network_lwip_init(); #endif + #if MICROPY_PY_NETWORK_CYW43 + { + cyw43_init(&cyw43_state); + uint8_t buf[8]; + memcpy(&buf[0], "ALIF", 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_auth(&cyw43_state, CYW43_AUTH_WPA2_AES_PSK); + cyw43_wifi_ap_set_password(&cyw43_state, 8, (const uint8_t *)"alif0123"); + } + #endif + for (;;) { // Initialise MicroPython runtime. mp_init(); diff --git a/ports/alif/mpconfigport.h b/ports/alif/mpconfigport.h index a437c1385..76b603027 100644 --- a/ports/alif/mpconfigport.h +++ b/ports/alif/mpconfigport.h @@ -155,6 +155,21 @@ #define MICROPY_FATFS_MAX_SS (MICROPY_HW_FLASH_BLOCK_SIZE_BYTES) #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_CYW43 \ + MICROPY_BOARD_NETWORK_INTERFACES \ + #define MP_STATE_PORT MP_STATE_VM // Miscellaneous settings diff --git a/ports/alif/mpnetworkport.c b/ports/alif/mpnetworkport.c index 312fadf08..40def7f7f 100644 --- a/ports/alif/mpnetworkport.c +++ b/ports/alif/mpnetworkport.c @@ -32,6 +32,10 @@ #include "shared/runtime/softtimer.h" #include "lwip/timeouts.h" +#if MICROPY_PY_NETWORK_CYW43 +#include "lib/cyw43-driver/src/cyw43.h" +#endif + // Poll lwIP every 64ms by default #define LWIP_TICK_RATE_MS 64 @@ -50,6 +54,16 @@ static void mp_network_soft_timer_callback(soft_timer_entry_t *self) { #if LWIP_NETIF_LOOPBACK netif_poll_all(); #endif + + #if MICROPY_PY_NETWORK_CYW43 + if (cyw43_poll) { + if (cyw43_sleep != 0) { + if (--cyw43_sleep == 0) { + cyw43_poll(); + } + } + } + #endif } void mod_network_lwip_init(void) { diff --git a/ports/alif/pendsv.h b/ports/alif/pendsv.h index 43a4b7a85..17d7e82df 100644 --- a/ports/alif/pendsv.h +++ b/ports/alif/pendsv.h @@ -34,6 +34,9 @@ enum { PENDSV_DISPATCH_SOFT_TIMER, + #if MICROPY_PY_NETWORK_CYW43 + PENDSV_DISPATCH_CYW43, + #endif MICROPY_BOARD_PENDSV_ENTRIES PENDSV_DISPATCH_MAX }; |