[bsp/max32660] add the driver of spi
This commit is contained in:
supperthomas
parent
bfde38030b
commit
6c7ae38938
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@ -43,6 +43,25 @@ menu "On-chip Peripheral Drivers"
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depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
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depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
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default n
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default n
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endif
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endif
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config BSP_USING_SPI
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bool "Enable SPI"
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select RT_USING_SPI
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default n
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if BSP_USING_SPI
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config BSP_USING_SPI0
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bool "Enable SPI0 bus [MISO P0.4;MOSI P0.5;SCL P0.6;SS P0.7]"
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default y
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config BSP_USING_SPI1
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bool "Enable SPI1 bus [MISO P0.0;MOSI P0.1;SCL P0.2;SS P0.3]"
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default n
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if BSP_USING_SPI1
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config BSP_USING_SPI1A
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bool "Use SPI1A. [MISO P0.10;MOSI P0.11;SCL P0.12;SS P0.13]"
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default n
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endif
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endif
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config BSP_USING_ON_CHIP_FLASH
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config BSP_USING_ON_CHIP_FLASH
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select PKG_USING_FAL
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select PKG_USING_FAL
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bool "Enable on-chip FLASH"
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bool "Enable on-chip FLASH"
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@ -0,0 +1,231 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-02-14 supperthomas first version
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*/
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#include <stdint.h>
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#include <string.h>
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#include "board.h"
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#include "drv_spi.h"
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#define DBG_LEVEL DBG_LOG
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#include <rtdbg.h>
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#define LOG_TAG "drv.spi"
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#ifdef BSP_USING_SPI
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#if defined(BSP_USING_SPI0) || defined(BSP_USING_SPI1) || defined(BSP_USING_SPI2)
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static struct mcu_drv_spi_config spi_config[] =
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{
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#ifdef BSP_USING_SPI0
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MCU_SPI0_CONFIG,
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#endif
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#ifdef BSP_USING_SPI1
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MCU_SPI1_CONFIG,
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#endif
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};
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static struct mcu_drv_spi spi_bus_obj[sizeof(spi_config) / sizeof(spi_config[0])];
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/**
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* @brief This function config spi bus
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* @param device
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* @param configuration
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* @retval RT_EOK / RT_ERROR
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*/
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static rt_err_t spi_configure(struct rt_spi_device *device,
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struct rt_spi_configuration *configuration)
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{
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RT_ASSERT(device != RT_NULL);
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RT_ASSERT(device->bus != RT_NULL);
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RT_ASSERT(device->bus->parent.user_data != RT_NULL);
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RT_ASSERT(configuration != RT_NULL);
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struct mcu_drv_spi *tmp_spi;
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tmp_spi = rt_container_of(device->bus, struct mcu_drv_spi, spi_bus);
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int mode;
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///init
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switch (configuration->mode & RT_SPI_MODE_3)
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{
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case RT_SPI_MODE_0/* RT_SPI_CPOL:0 , RT_SPI_CPHA:0 */:
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case RT_SPI_MODE_1/* RT_SPI_CPOL:0 , RT_SPI_CPHA:1 */:
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case RT_SPI_MODE_2/* RT_SPI_CPOL:1 , RT_SPI_CPHA:0 */:
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case RT_SPI_MODE_3/* RT_SPI_CPOL:1 , RT_SPI_CPHA:1 */:
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mode = configuration->mode & RT_SPI_MODE_3;
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break;
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default:
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LOG_E("spi_configure mode error %x\n", configuration->mode);
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return RT_ERROR;
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}
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tmp_spi->spixfer_req.width = SPI17Y_WIDTH_1;
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tmp_spi->spixfer_req.bits = configuration->data_width;
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tmp_spi->spixfer_req.ssel = 0;
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tmp_spi->spixfer_req.deass = 1;
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tmp_spi->spixfer_req.tx_num = 0;
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tmp_spi->spixfer_req.rx_num = 0;
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tmp_spi->spixfer_req.callback = NULL;
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LOG_D("spi init mode:%d, rate:%d", mode, configuration->max_hz);
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if (SPI_Init(tmp_spi->spi_instance, mode, configuration->max_hz) != 0)
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{
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LOG_E("Error configuring SPI\n");
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while (1) {}
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}
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//init
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return RT_EOK;
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}
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static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message *message)
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{
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RT_ASSERT(device != RT_NULL);
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RT_ASSERT(device->bus != RT_NULL);
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RT_ASSERT(device->bus->parent.user_data != RT_NULL);
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int ret = 0;
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struct mcu_drv_spi *tmp_spi;
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tmp_spi = rt_container_of(device->bus, struct mcu_drv_spi, spi_bus);
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tmp_spi->spixfer_req.tx_data = message->send_buf;
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tmp_spi->spixfer_req.rx_data = message->recv_buf;
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tmp_spi->spixfer_req.len = message->length;
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ret = SPI_MasterTrans(tmp_spi->spi_instance, &tmp_spi->spixfer_req);
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if (ret == E_NO_ERROR)
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{
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return message->length;
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}
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else
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{
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LOG_E("spixfer faild, ret %d", ret);
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return 0;
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}
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}
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/* spi bus callback function */
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static const struct rt_spi_ops nrfx_spi_ops =
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{
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.configure = spi_configure,
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.xfer = spixfer,
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};
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/*spi bus init*/
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static int rt_hw_spi_bus_init(void)
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{
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rt_err_t result = RT_ERROR;
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for (int i = 0; i < sizeof(spi_config) / sizeof(spi_config[0]); i++)
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{
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spi_bus_obj[i].spi_instance = spi_config[i].spi_instance;
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spi_bus_obj[i].spi_bus.parent.user_data = &spi_config[i]; //SPI INSTANCE
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result = rt_spi_bus_register(&spi_bus_obj[i].spi_bus, spi_config[i].bus_name, &nrfx_spi_ops);
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RT_ASSERT(result == RT_EOK);
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}
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return result;
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}
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int rt_hw_spi_init(void)
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{
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return rt_hw_spi_bus_init();
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}
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INIT_BOARD_EXPORT(rt_hw_spi_init);
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/**
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* Attach the spi device to SPI bus, this function must be used after initialization.
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*/
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rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t cs_pin)
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{
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RT_ASSERT(bus_name != RT_NULL);
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RT_ASSERT(device_name != RT_NULL);
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RT_ASSERT(cs_pin != RT_NULL);
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rt_err_t result;
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struct rt_spi_device *spi_device;
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/* attach the device to spi bus*/
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spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
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RT_ASSERT(spi_device != RT_NULL);
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/* initialize the cs pin */
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result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
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if (result != RT_EOK)
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{
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LOG_E("%s attach to %s faild, %d", device_name, bus_name, result);
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result = RT_ERROR;
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}
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/* TODO: SET THE GPIO */
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RT_ASSERT(result == RT_EOK);
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return result;
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}
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#endif /* BSP_USING_SPI0 || BSP_USING_SPI1 || BSP_USING_SPI2 */
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#endif /*BSP_USING_SPI*/
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#define SPI_DEVICE_BUS "spi0"
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#define SPI_DEVICE_NAME "spi01"
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#define TEST_LEN 10
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uint8_t rx_data[TEST_LEN];
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uint8_t tx_data[TEST_LEN];
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static void spi_sample(int argc, char *argv[])
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{
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struct rt_spi_device *spi_dev;
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char name[RT_NAME_MAX];
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rt_kprintf("\n************** SPI Loopback Demo ****************\n");
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rt_kprintf("This example configures the SPI to send data between the MISO (P0.4) and\n");
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rt_kprintf("MOSI (P0.5) pins. Connect these two pins together. \n");
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for (int j = 0; j < TEST_LEN; j++)
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{
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tx_data[j] = j ;
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}
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if (argc == 2)
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{
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rt_strncpy(name, argv[1], RT_NAME_MAX);
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}
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else
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{
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rt_strncpy(name, SPI_DEVICE_NAME, RT_NAME_MAX);
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}
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/* ?? spi ???????? */
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spi_dev = (struct rt_spi_device *)rt_device_find(name);
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if (!spi_dev)
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{
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rt_kprintf("spi sample run failed! can't find %s device!\n", name);
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}
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else
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{
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rt_spi_transfer(spi_dev, tx_data, rx_data, TEST_LEN);
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for (int i = 0; i < TEST_LEN; i++)
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{
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rt_kprintf(" 0x%02x, ", rx_data[i]);
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}
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}
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}
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MSH_CMD_EXPORT(spi_sample, spi sample);
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static int rt_hw_spi_sample_init(void)
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{
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struct rt_spi_device *spi_dev;
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rt_hw_spi_device_attach(SPI_DEVICE_BUS, SPI_DEVICE_NAME, PIN_0);
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spi_dev = (struct rt_spi_device *)rt_device_find(SPI_DEVICE_NAME);
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struct rt_spi_configuration spi_cfg =
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{
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.mode = 0,
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.data_width = 8,
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.max_hz = 1000000,
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};
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rt_spi_configure(spi_dev, &spi_cfg);
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return RT_EOK;
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}
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INIT_COMPONENT_EXPORT(rt_hw_spi_sample_init);
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@ -0,0 +1,71 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-02-14 supperthomas first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <rthw.h>
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#include "spi.h"
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#ifndef __DRV_SPI_H_
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#define __DRV_SPI_H_
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/**
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* @brief Attach the spi device to SPI bus, this function must be used after initialization.
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* @param bus_name spi bus name "spi0"/"spi1"/"spi2"
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* @param device_name spi device name "spi0x"/"spi1x"/"spi2x"
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* @param ss_pin spi ss pin number
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* @retval RT_ERROR / RT_EOK
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*/
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rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t ss_pin);
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//SPI bus config
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#ifdef BSP_USING_SPI0
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#define MCU_SPI0_CONFIG \
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{ \
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.bus_name = "spi0", \
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.spi_instance = SPI0A, \
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}
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#endif
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#ifdef BSP_USING_SPI1
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#ifdef BSP_USING_SPI1A //The SPI1A is conflit with UART1 TX RX P0.10 P0.11
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#define MCU_SPI1_CONFIG \
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{ \
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.bus_name = "spi1", \
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.spi_instance = SPI1A \
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}
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#else
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#define MCU_SPI1_CONFIG \
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{ \
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.bus_name = "spi1", \
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.spi_instance = SPI1B \
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}
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#endif
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//TODO LIST SPI1A SPI1B
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#endif
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struct mcu_drv_spi_config
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{
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char *bus_name;
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spi_type spi_instance;
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};
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struct mcu_drv_spi
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{
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spi_type spi_instance;
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spi_req_t spixfer_req;
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struct rt_spi_configuration *cfg;
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struct rt_spi_bus spi_bus;
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};
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#endif /*__DRV_SPI_H_*/
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@ -30,6 +30,9 @@ if GetDepend(['RT_USING_I2C']):
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if GetDepend(['RT_USING_SPI']):
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if GetDepend(['RT_USING_SPI']):
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src += ['Source/spi.c']
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src += ['Source/spi.c']
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src += ['Source/spi17y.c']
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src += ['Source/spimss.c']
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if GetDepend(['RT_USING_RTC']):
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if GetDepend(['RT_USING_RTC']):
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src += ['Source/rtc.c']
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src += ['Source/rtc.c']
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