| /** |
| * Copyright (c) 2017 IpTronix |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define LOG_LEVEL CONFIG_WIFI_LOG_LEVEL |
| #include <logging/log.h> |
| LOG_MODULE_REGISTER(winc1500); |
| |
| #include <stdio.h> |
| #include <stdint.h> |
| |
| #include <device.h> |
| #include <drivers/spi.h> |
| |
| #include "wifi_winc1500_nm_bsp_internal.h" |
| |
| #include <bsp/include/nm_bsp.h> |
| #include <common/include/nm_common.h> |
| #include <bus_wrapper/include/nm_bus_wrapper.h> |
| |
| #include "wifi_winc1500_config.h" |
| |
| #define NM_BUS_MAX_TRX_SZ 256 |
| |
| tstrNmBusCapabilities egstrNmBusCapabilities = { |
| NM_BUS_MAX_TRX_SZ |
| }; |
| |
| #ifdef CONF_WINC_USE_I2C |
| |
| #define SLAVE_ADDRESS 0x60 |
| |
| /** Number of times to try to send packet if failed. */ |
| #define I2C_TIMEOUT 100 |
| |
| static s8_t nm_i2c_write(u8_t *b, u16_t sz) |
| { |
| /* Not implemented */ |
| } |
| |
| static s8_t nm_i2c_read(u8_t *rb, u16_t sz) |
| { |
| /* Not implemented */ |
| } |
| |
| static s8_t nm_i2c_write_special(u8_t *wb1, u16_t sz1, |
| u8_t *wb2, u16_t sz2) |
| { |
| /* Not implemented */ |
| } |
| #endif |
| |
| #ifdef CONF_WINC_USE_SPI |
| |
| #ifdef CONFIG_WIFI_WINC1500_GPIO_SPI_CS |
| struct spi_cs_control cs_ctrl; |
| #endif |
| |
| static s8_t spi_rw(u8_t *mosi, u8_t *miso, u16_t size) |
| { |
| const struct spi_buf buf_tx = { |
| .buf = mosi, |
| .len = size |
| }; |
| const struct spi_buf_set tx = { |
| .buffers = &buf_tx, |
| .count = 1 |
| }; |
| const struct spi_buf buf_rx = { |
| .buf = miso, |
| .len = miso ? size : 0 |
| }; |
| const struct spi_buf_set rx = { |
| .buffers = &buf_rx, |
| .count = 1 |
| }; |
| |
| if (spi_transceive(winc1500.spi, &winc1500.spi_cfg, &tx, &rx)) { |
| LOG_ERR("spi_transceive fail"); |
| return M2M_ERR_BUS_FAIL; |
| } |
| |
| return M2M_SUCCESS; |
| } |
| |
| #endif |
| |
| s8_t nm_bus_init(void *pvinit) |
| { |
| /* configure GPIOs */ |
| winc1500.gpios = winc1500_configure_gpios(); |
| |
| #ifdef CONF_WINC_USE_I2C |
| /* Not implemented */ |
| #elif defined CONF_WINC_USE_SPI |
| /* setup SPI device */ |
| winc1500.spi = device_get_binding(DT_INST_0_ATMEL_WINC1500_BUS_NAME); |
| if (!winc1500.spi) { |
| LOG_ERR("spi device binding"); |
| return -1; |
| } |
| |
| winc1500.spi_cfg.operation = SPI_WORD_SET(8) | SPI_TRANSFER_MSB; |
| winc1500.spi_cfg.frequency = DT_INST_0_ATMEL_WINC1500_SPI_MAX_FREQUENCY; |
| winc1500.spi_cfg.slave = DT_INST_0_ATMEL_WINC1500_BASE_ADDRESS; |
| |
| #ifdef CONFIG_WIFI_WINC1500_GPIO_SPI_CS |
| cs_ctrl.gpio_dev = device_get_binding( |
| DT_INST_0_ATMEL_WINC1500_CS_GPIOS_CONTROLLER); |
| if (!cs_ctrl.gpio_dev) { |
| LOG_ERR("Unable to get GPIO SPI CS device"); |
| return -ENODEV; |
| } |
| |
| cs_ctrl.gpio_pin = DT_INST_0_ATMEL_WINC1500_CS_GPIOS_PIN; |
| cs_ctrl.delay = 0U; |
| |
| winc1500.spi_cfg.cs = &cs_ctrl; |
| |
| LOG_DBG("SPI GPIO CS configured on %s:%u", |
| DT_INST_0_ATMEL_WINC1500_CS_GPIOS_CONTROLLER, |
| DT_INST_0_ATMEL_WINC1500_CS_GPIOS_PIN); |
| #endif /* CONFIG_WIFI_WINC1500_GPIO_SPI_CS */ |
| |
| nm_bsp_reset(); |
| nm_bsp_sleep(1); |
| |
| nm_bsp_interrupt_ctrl(1); |
| |
| LOG_DBG("NOTICE:DONE"); |
| #endif |
| return 0; |
| } |
| |
| s8_t nm_bus_ioctl(u8_t cmd, void *parameter) |
| { |
| sint8 ret = 0; |
| |
| switch (cmd) { |
| #ifdef CONF_WINC_USE_I2C |
| case NM_BUS_IOCTL_R: { |
| struct nm_i2c_default *param = |
| (struct nm_i2c_default *)parameter; |
| |
| ret = nm_i2c_read(param->buffer, param->size); |
| } |
| break; |
| case NM_BUS_IOCTL_W: { |
| struct nm_i2c_default *param = |
| (struct nm_i2c_default *)parameter; |
| |
| ret = nm_i2c_write(param->buffer, param->size); |
| } |
| break; |
| case NM_BUS_IOCTL_W_SPECIAL: { |
| struct nm_i2c_special *param = |
| (struct nm_i2c_special *)parameter; |
| |
| ret = nm_i2c_write_special(param->buffer1, param->size1, |
| param->buffer2, param->size2); |
| } |
| break; |
| #elif defined CONF_WINC_USE_SPI |
| case NM_BUS_IOCTL_RW: { |
| tstrNmSpiRw *param = (tstrNmSpiRw *)parameter; |
| |
| ret = spi_rw(param->pu8InBuf, param->pu8OutBuf, param->u16Sz); |
| } |
| break; |
| #endif |
| default: |
| ret = -1; |
| M2M_ERR("ERROR:invalid ioclt cmd\n"); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| s8_t nm_bus_deinit(void) |
| { |
| return M2M_SUCCESS; |
| } |
| |
| s8_t nm_bus_reinit(void *config) |
| { |
| return 0; |
| } |