191 lines
3.7 KiB
C
191 lines
3.7 KiB
C
/**
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* Copyright (c) 2017 IpTronix
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define LOG_LEVEL CONFIG_WIFI_LOG_LEVEL
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#include <logging/log.h>
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LOG_MODULE_REGISTER(winc1500);
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#include <stdio.h>
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#include <stdint.h>
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#include <device.h>
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#include <spi.h>
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#include "wifi_winc1500_nm_bsp_internal.h"
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#include <bsp/include/nm_bsp.h>
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#include <common/include/nm_common.h>
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#include <bus_wrapper/include/nm_bus_wrapper.h>
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#include "wifi_winc1500_config.h"
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#define NM_BUS_MAX_TRX_SZ 256
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tstrNmBusCapabilities egstrNmBusCapabilities = {
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NM_BUS_MAX_TRX_SZ
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};
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#ifdef CONF_WINC_USE_I2C
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#define SLAVE_ADDRESS 0x60
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/** Number of times to try to send packet if failed. */
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#define I2C_TIMEOUT 100
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static s8_t nm_i2c_write(u8_t *b, u16_t sz)
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{
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/* Not implemented */
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}
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static s8_t nm_i2c_read(u8_t *rb, u16_t sz)
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{
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/* Not implemented */
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}
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static s8_t nm_i2c_write_special(u8_t *wb1, u16_t sz1,
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u8_t *wb2, u16_t sz2)
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{
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/* Not implemented */
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}
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#endif
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#ifdef CONF_WINC_USE_SPI
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#ifdef CONFIG_WIFI_WINC1500_GPIO_SPI_CS
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struct spi_cs_control cs_ctrl;
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#endif
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static s8_t spi_rw(u8_t *mosi, u8_t *miso, u16_t size)
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{
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const struct spi_buf buf_tx = {
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.buf = mosi,
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.len = size
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};
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const struct spi_buf_set tx = {
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.buffers = &buf_tx,
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.count = 1
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};
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const struct spi_buf buf_rx = {
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.buf = miso,
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.len = miso ? size : 0
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};
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const struct spi_buf_set rx = {
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.buffers = &buf_rx,
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.count = 1
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};
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if (spi_transceive(winc1500.spi, &winc1500.spi_cfg, &tx, &rx)) {
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LOG_ERR("spi_transceive fail");
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return M2M_ERR_BUS_FAIL;
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}
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return M2M_SUCCESS;
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}
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#endif
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s8_t nm_bus_init(void *pvinit)
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{
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/* configure GPIOs */
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winc1500.gpios = winc1500_configure_gpios();
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#ifdef CONF_WINC_USE_I2C
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/* Not implemented */
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#elif defined CONF_WINC_USE_SPI
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/* setup SPI device */
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winc1500.spi = device_get_binding(DT_ATMEL_WINC1500_0_BUS_NAME);
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if (!winc1500.spi) {
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LOG_ERR("spi device binding");
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return -1;
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}
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winc1500.spi_cfg.operation = SPI_WORD_SET(8) | SPI_TRANSFER_MSB;
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winc1500.spi_cfg.frequency = DT_ATMEL_WINC1500_0_SPI_MAX_FREQUENCY;
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winc1500.spi_cfg.slave = DT_ATMEL_WINC1500_0_BASE_ADDRESS;
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#ifdef CONFIG_WIFI_WINC1500_GPIO_SPI_CS
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cs_ctrl.gpio_dev = device_get_binding(
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DT_ATMEL_WINC1500_0_CS_GPIO_CONTROLLER);
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if (!cs_ctrl.gpio_dev) {
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LOG_ERR("Unable to get GPIO SPI CS device");
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return -ENODEV;
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}
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cs_ctrl.gpio_pin = DT_ATMEL_WINC1500_0_CS_GPIO_PIN;
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cs_ctrl.delay = 0U;
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winc1500.spi_cfg.cs = &cs_ctrl;
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LOG_DBG("SPI GPIO CS configured on %s:%u",
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DT_ATMEL_WINC1500_0_CS_GPIO_CONTROLLER,
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DT_ATMEL_WINC1500_0_CS_GPIO_PIN);
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#endif /* CONFIG_WIFI_WINC1500_GPIO_SPI_CS */
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nm_bsp_reset();
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nm_bsp_sleep(1);
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nm_bsp_interrupt_ctrl(1);
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LOG_DBG("NOTICE:DONE");
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#endif
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return 0;
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}
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s8_t nm_bus_ioctl(u8_t cmd, void *parameter)
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{
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sint8 ret = 0;
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switch (cmd) {
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#ifdef CONF_WINC_USE_I2C
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case NM_BUS_IOCTL_R: {
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struct nm_i2c_default *param =
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(struct nm_i2c_default *)parameter;
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ret = nm_i2c_read(param->buffer, param->size);
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}
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break;
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case NM_BUS_IOCTL_W: {
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struct nm_i2c_default *param =
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(struct nm_i2c_default *)parameter;
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ret = nm_i2c_write(param->buffer, param->size);
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}
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break;
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case NM_BUS_IOCTL_W_SPECIAL: {
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struct nm_i2c_special *param =
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(struct nm_i2c_special *)parameter;
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ret = nm_i2c_write_special(param->buffer1, param->size1,
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param->buffer2, param->size2);
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}
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break;
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#elif defined CONF_WINC_USE_SPI
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case NM_BUS_IOCTL_RW: {
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tstrNmSpiRw *param = (tstrNmSpiRw *)parameter;
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ret = spi_rw(param->pu8InBuf, param->pu8OutBuf, param->u16Sz);
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}
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break;
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#endif
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default:
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ret = -1;
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M2M_ERR("ERROR:invalid ioclt cmd\n");
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break;
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}
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return ret;
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}
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s8_t nm_bus_deinit(void)
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{
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return M2M_SUCCESS;
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}
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s8_t nm_bus_reinit(void *config)
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{
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return 0;
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}
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