/* * Copyright (c) 2022-2023 HPMicro * * SPDX-License-Identifier: BSD-3-Clause * */ #include <rtthread.h> #if defined(RT_USING_WIFI) && defined(BSP_USING_SPI1) #include <rtdevice.h> #include <drv_spi.h> #include <rtt_board.h> #include <spi_wifi_rw007.h> #define RW007_AT_MODE 3 #define RW007_SPI_MODE 1 extern void spi_wifi_isr(int vector); static void rw007_spi_cs_control(uint32_t value) { uint32_t gpio_index = RW007_CS_PIN / 32U; uint32_t pin_index = RW007_CS_PIN % 32U; if (value != 0) { RW007_CS_GPIO->DO[gpio_index].SET = (1UL << pin_index); } else { RW007_CS_GPIO->DO[gpio_index].CLEAR = (1UL << pin_index); } } static void rw007_spi_cs_init(void) { HPM_IOC->PAD[RW007_CS_PIN].FUNC_CTL = 0; HPM_IOC->PAD[RW007_CS_PIN].PAD_CTL = IOC_PAD_PAD_CTL_DS_SET(7) | IOC_PAD_PAD_CTL_PE_SET(1) | IOC_PAD_PAD_CTL_PS_SET(1); uint32_t gpio_index = RW007_CS_PIN / 32U; uint32_t pin_index = RW007_CS_PIN % 32U; RW007_CS_GPIO->DO[gpio_index].SET = (1UL << pin_index); RW007_CS_GPIO->OE[gpio_index].SET = (1UL <<pin_index); } static void set_rw007_mode(int mode) { /* Configure IO */ rt_pin_mode(RW007_RST_PIN, PIN_MODE_OUTPUT); rt_pin_mode(RW007_INT_BUSY_PIN, PIN_MODE_INPUT_PULLDOWN); /* Reset rw007 and config mode */ rt_pin_write(RW007_RST_PIN, PIN_LOW); rt_thread_delay(rt_tick_from_millisecond(100)); rt_pin_write(RW007_RST_PIN, PIN_HIGH); /* Wait rw007 ready(exit busy stat) */ while(!rt_pin_read(RW007_INT_BUSY_PIN)) { } rt_thread_delay(rt_tick_from_millisecond(100)); } int wifi_spi_device_init(void) { char sn_version[32]; struct rt_spi_device *spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device)); rw007_spi_cs_init(); set_rw007_mode(RW007_SPI_MODE); rt_hw_spi_device_attach(RW007_SPI_BUS_NAME, "wspi", rw007_spi_cs_control); rt_hw_wifi_init("wspi"); rt_wlan_set_mode(RT_WLAN_DEVICE_STA_NAME, RT_WLAN_STATION); rt_wlan_set_mode(RT_WLAN_DEVICE_AP_NAME, RT_WLAN_AP); rt_thread_mdelay(2000); rw007_sn_get(sn_version); rt_kprintf("\nrw007 sn: [%s]\n", sn_version); rw007_version_get(sn_version); rt_kprintf("rw007 ver: [%s]\n\n", sn_version); return 0; } INIT_APP_EXPORT(wifi_spi_device_init); static int rw007_update(void) { rt_device_t device = rt_device_find(RW007_SPI_BUS_NAME); struct stm32_spi *hspi = (struct stm32_spi *)device->user_data; set_rw007_mode(RW007_AT_MODE); return 0; } MSH_CMD_EXPORT(rw007_update, rw007_update); static void int_wifi_irq(void * p) { ((void)p); spi_wifi_isr(0); } void spi_wifi_hw_init(void) { rt_pin_attach_irq(RW007_INT_BUSY_PIN, PIN_IRQ_MODE_FALLING, int_wifi_irq, 0); rt_pin_irq_enable(RW007_INT_BUSY_PIN, RT_TRUE); } rt_bool_t spi_wifi_is_busy(void) { return !rt_pin_read(RW007_INT_BUSY_PIN); } void spi_wifi_int_cmd(rt_bool_t cmd) { rt_pin_irq_enable(RW007_INT_BUSY_PIN, cmd); } #endif /* if defined(RT_USING_WIFI) && defined(BSP_USING_SPI1) */