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