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/*
* 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 /* ifdefined(RT_USING_WIFI) && defined(BSP_USING_SPI1) */
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