1 /**
2 * Copyright (c) 2017 IpTronix
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #define DT_DRV_COMPAT atmel_winc1500
8
9 #define LOG_LEVEL CONFIG_WIFI_LOG_LEVEL
10 #include <zephyr/logging/log.h>
11 LOG_MODULE_REGISTER(winc1500);
12
13 #include <stdio.h>
14 #include <stdint.h>
15
16 #include <zephyr/device.h>
17 #include <zephyr/drivers/spi.h>
18
19 #include "wifi_winc1500_nm_bsp_internal.h"
20
21 #include <bsp/include/nm_bsp.h>
22 #include <common/include/nm_common.h>
23 #include <bus_wrapper/include/nm_bus_wrapper.h>
24
25 #include "wifi_winc1500_config.h"
26
27 #define NM_BUS_MAX_TRX_SZ 256
28
29 tstrNmBusCapabilities egstrNmBusCapabilities = {
30 NM_BUS_MAX_TRX_SZ
31 };
32
33 #ifdef CONF_WINC_USE_I2C
34
35 #define SLAVE_ADDRESS 0x60
36
37 /** Number of times to try to send packet if failed. */
38 #define I2C_TIMEOUT 100
39
nm_i2c_write(uint8_t * b,uint16_t sz)40 static int8_t nm_i2c_write(uint8_t *b, uint16_t sz)
41 {
42 /* Not implemented */
43 }
44
nm_i2c_read(uint8_t * rb,uint16_t sz)45 static int8_t nm_i2c_read(uint8_t *rb, uint16_t sz)
46 {
47 /* Not implemented */
48 }
49
nm_i2c_write_special(uint8_t * wb1,uint16_t sz1,uint8_t * wb2,uint16_t sz2)50 static int8_t nm_i2c_write_special(uint8_t *wb1, uint16_t sz1,
51 uint8_t *wb2, uint16_t sz2)
52 {
53 /* Not implemented */
54 }
55 #endif
56
57 #ifdef CONF_WINC_USE_SPI
58
spi_rw(uint8_t * mosi,uint8_t * miso,uint16_t size)59 static int8_t spi_rw(uint8_t *mosi, uint8_t *miso, uint16_t size)
60 {
61 const struct spi_buf buf_tx = {
62 .buf = mosi,
63 .len = size
64 };
65 const struct spi_buf_set tx = {
66 .buffers = &buf_tx,
67 .count = 1
68 };
69 const struct spi_buf buf_rx = {
70 .buf = miso,
71 .len = miso ? size : 0
72 };
73 const struct spi_buf_set rx = {
74 .buffers = &buf_rx,
75 .count = 1
76 };
77
78 if (spi_transceive_dt(&winc1500_config.spi, &tx, &rx)) {
79 LOG_ERR("spi_transceive fail");
80 return M2M_ERR_BUS_FAIL;
81 }
82
83 return M2M_SUCCESS;
84 }
85
86 #endif
87
nm_bus_init(void * pvinit)88 int8_t nm_bus_init(void *pvinit)
89 {
90 /* configure GPIOs */
91 if (!gpio_is_ready_dt(&winc1500_config.chip_en_gpio)) {
92 return -ENODEV;
93 }
94 gpio_pin_configure_dt(&winc1500_config.chip_en_gpio, GPIO_OUTPUT_LOW);
95
96
97 if (!gpio_is_ready_dt(&winc1500_config.irq_gpio)) {
98 return -ENODEV;
99 }
100 gpio_pin_configure_dt(&winc1500_config.irq_gpio, GPIO_INPUT);
101
102 if (!gpio_is_ready_dt(&winc1500_config.reset_gpio)) {
103 return -ENODEV;
104 }
105 gpio_pin_configure_dt(&winc1500_config.reset_gpio, GPIO_OUTPUT_LOW);
106
107
108 #ifdef CONF_WINC_USE_I2C
109 /* Not implemented */
110 #elif defined CONF_WINC_USE_SPI
111 /* setup SPI device */
112 if (!spi_is_ready_dt(&winc1500_config.spi)) {
113 LOG_ERR("spi device binding");
114 return -ENODEV;
115 }
116
117 nm_bsp_reset();
118 nm_bsp_sleep(1);
119
120 nm_bsp_interrupt_ctrl(1);
121
122 LOG_DBG("NOTICE:DONE");
123 #endif
124 return 0;
125 }
126
nm_bus_ioctl(uint8_t cmd,void * parameter)127 int8_t nm_bus_ioctl(uint8_t cmd, void *parameter)
128 {
129 sint8 ret = 0;
130
131 switch (cmd) {
132 #ifdef CONF_WINC_USE_I2C
133 case NM_BUS_IOCTL_R: {
134 struct nm_i2c_default *param =
135 (struct nm_i2c_default *)parameter;
136
137 ret = nm_i2c_read(param->buffer, param->size);
138 }
139 break;
140 case NM_BUS_IOCTL_W: {
141 struct nm_i2c_default *param =
142 (struct nm_i2c_default *)parameter;
143
144 ret = nm_i2c_write(param->buffer, param->size);
145 }
146 break;
147 case NM_BUS_IOCTL_W_SPECIAL: {
148 struct nm_i2c_special *param =
149 (struct nm_i2c_special *)parameter;
150
151 ret = nm_i2c_write_special(param->buffer1, param->size1,
152 param->buffer2, param->size2);
153 }
154 break;
155 #elif defined CONF_WINC_USE_SPI
156 case NM_BUS_IOCTL_RW: {
157 tstrNmSpiRw *param = (tstrNmSpiRw *)parameter;
158
159 ret = spi_rw(param->pu8InBuf, param->pu8OutBuf, param->u16Sz);
160 }
161 break;
162 #endif
163 default:
164 ret = -1;
165 M2M_ERR("ERROR:invalid ioclt cmd\n");
166 break;
167 }
168
169 return ret;
170 }
171
nm_bus_deinit(void)172 int8_t nm_bus_deinit(void)
173 {
174 return M2M_SUCCESS;
175 }
176
nm_bus_reinit(void * config)177 int8_t nm_bus_reinit(void *config)
178 {
179 return 0;
180 }
181
