1
2 /*
3 * Copyright (c) 2022-2023 HPMicro
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 */
8 #include <rtthread.h>
9
10 #if defined(RT_USING_WIFI) && defined(BSP_USING_SPI1)
11 #include <rtdevice.h>
12 #include <drv_spi.h>
13 #include <rtt_board.h>
14 #include <spi_wifi_rw007.h>
15
16 #define RW007_AT_MODE 3
17 #define RW007_SPI_MODE 1
18
19 extern void spi_wifi_isr(int vector);
20
21
rw007_spi_cs_control(uint32_t value)22 static void rw007_spi_cs_control(uint32_t value)
23 {
24 uint32_t gpio_index = RW007_CS_PIN / 32U;
25 uint32_t pin_index = RW007_CS_PIN % 32U;
26 if (value != 0)
27 {
28 RW007_CS_GPIO->DO[gpio_index].SET = (1UL << pin_index);
29 }
30 else
31 {
32 RW007_CS_GPIO->DO[gpio_index].CLEAR = (1UL << pin_index);
33 }
34 }
35
rw007_spi_cs_init(void)36 static void rw007_spi_cs_init(void)
37 {
38 HPM_IOC->PAD[RW007_CS_PIN].FUNC_CTL = 0;
39 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);
40
41 uint32_t gpio_index = RW007_CS_PIN / 32U;
42 uint32_t pin_index = RW007_CS_PIN % 32U;
43 RW007_CS_GPIO->DO[gpio_index].SET = (1UL << pin_index);
44 RW007_CS_GPIO->OE[gpio_index].SET = (1UL <<pin_index);
45 }
46
47
set_rw007_mode(int mode)48 static void set_rw007_mode(int mode)
49 {
50 /* Configure IO */
51 rt_pin_mode(RW007_RST_PIN, PIN_MODE_OUTPUT);
52 rt_pin_mode(RW007_INT_BUSY_PIN, PIN_MODE_INPUT_PULLDOWN);
53
54 /* Reset rw007 and config mode */
55 rt_pin_write(RW007_RST_PIN, PIN_LOW);
56 rt_thread_delay(rt_tick_from_millisecond(100));
57 rt_pin_write(RW007_RST_PIN, PIN_HIGH);
58
59 /* Wait rw007 ready(exit busy stat) */
60 while(!rt_pin_read(RW007_INT_BUSY_PIN))
61 {
62 }
63 rt_thread_delay(rt_tick_from_millisecond(100));
64 }
65
wifi_spi_device_init(void)66 int wifi_spi_device_init(void)
67 {
68 char sn_version[32];
69 struct rt_spi_device *spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
70
71 rw007_spi_cs_init();
72
73 set_rw007_mode(RW007_SPI_MODE);
74 rt_hw_spi_device_attach(RW007_SPI_BUS_NAME, "wspi", rw007_spi_cs_control);
75 rt_hw_wifi_init("wspi");
76
77 rt_wlan_set_mode(RT_WLAN_DEVICE_STA_NAME, RT_WLAN_STATION);
78 rt_wlan_set_mode(RT_WLAN_DEVICE_AP_NAME, RT_WLAN_AP);
79
80 rt_thread_mdelay(2000);
81 rw007_sn_get(sn_version);
82 rt_kprintf("\nrw007 sn: [%s]\n", sn_version);
83 rw007_version_get(sn_version);
84 rt_kprintf("rw007 ver: [%s]\n\n", sn_version);
85
86 return 0;
87 }
88 INIT_APP_EXPORT(wifi_spi_device_init);
89
rw007_update(void)90 static int rw007_update(void)
91 {
92 rt_device_t device = rt_device_find(RW007_SPI_BUS_NAME);
93 struct stm32_spi *hspi = (struct stm32_spi *)device->user_data;
94 set_rw007_mode(RW007_AT_MODE);
95 return 0;
96 }
97 MSH_CMD_EXPORT(rw007_update, rw007_update);
98
int_wifi_irq(void * p)99 static void int_wifi_irq(void * p)
100 {
101 ((void)p);
102 spi_wifi_isr(0);
103 }
104
spi_wifi_hw_init(void)105 void spi_wifi_hw_init(void)
106 {
107 rt_pin_attach_irq(RW007_INT_BUSY_PIN, PIN_IRQ_MODE_FALLING, int_wifi_irq, 0);
108 rt_pin_irq_enable(RW007_INT_BUSY_PIN, RT_TRUE);
109 }
110
spi_wifi_is_busy(void)111 rt_bool_t spi_wifi_is_busy(void)
112 {
113 return !rt_pin_read(RW007_INT_BUSY_PIN);
114 }
115
spi_wifi_int_cmd(rt_bool_t cmd)116 void spi_wifi_int_cmd(rt_bool_t cmd)
117 {
118 rt_pin_irq_enable(RW007_INT_BUSY_PIN, cmd);
119 }
120
121 #endif /* ifdefined(RT_USING_WIFI) && defined(BSP_USING_SPI1) */
122