Merge pull request #2466 from lymzzyh/spi

Add SPI driver

bsp/k210/applications/mnt.c

@@ -8,8 +8,15 @@
  */
 
 #include <rtthread.h>
-
+#include <spi_msd.h>
+#include <dfs_fs.h>
 int mnt_init(void)
 {
+    msd_init("sd0", "spi10");
+    if (dfs_mount("sd0", "/", "elm", 0, 0) == 0)
+    {
+        rt_kprintf("Mount \"/dev/sd0\" on \"/\"\n");
+    }
     return 0;
 }
+INIT_ENV_EXPORT(mnt_init);

bsp/k210/driver/Kconfig

@@ -19,10 +19,64 @@ config BSP_USING_I2C1
     select RT_USING_I2C
     default n
 
-config BSP_USING_SPI1
-    bool "Enable SPI1 (GPIO0/1)"
+menuconfig BSP_USING_SPI1
+    bool "Enable SPI1"
     select RT_USING_SPI
     default n
+if BSP_USING_SPI1
+    config BSP_USING_SPI1_AS_QSPI
+        bool
+        default n
+    config BSP_SPI1_CLK_PIN
+        int "spi1 clk pin number"
+        default 29
+    config BSP_SPI1_D0_PIN
+        int "spi1 d0 pin number"
+        default 30
+    config BSP_SPI1_D1_PIN
+        int "spi1 d1 pin number"
+        default 31
+    if BSP_USING_SPI1_AS_QSPI
+        config BSP_SPI1_D2_PIN
+            int "spi1 d2 pin number"
+            default 32
+        config BSP_SPI1_D3_PIN
+            int "spi1 d3 pin number"
+            default 33
+    endif
+    menuconfig BSP_SPI1_USING_SS0
+        bool "SPI1 Enable SS0"
+        default n
+    if BSP_SPI1_USING_SS0
+        config BSP_SPI1_SS0_PIN
+            int "spi1 ss0 pin number"
+            default 24
+    endif
+    menuconfig BSP_SPI1_USING_SS1
+        bool "SPI1 Enable SS1"
+        default n
+    if BSP_SPI1_USING_SS1
+        config BSP_SPI1_SS1_PIN
+            int "spi1 ss1 pin number"
+            default 25
+    endif
+    menuconfig BSP_SPI1_USING_SS2
+        bool "SPI1 Enable SS2"
+        default n
+    if BSP_SPI1_USING_SS2
+        config BSP_SPI1_SS2_PIN
+            int "spi1 ss2 pin number"
+            default 26
+    endif
+    menuconfig BSP_SPI1_USING_SS3
+        bool "SPI1 Enable SS3"
+        default n
+    if BSP_SPI1_USING_SS3
+        config BSP_SPI1_SS3_PIN
+            int "spi1 ss3 pin number"
+            default 27
+    endif
+endif
 
 menuconfig BSP_USING_LCD
     bool "Enable LCD on SPI0"
@@ -73,5 +127,8 @@ if BSP_USING_CAMERA
     config BSP_CAMERA_CMOS_PCLK_PIN
         int "CMOS PCLK pin number for camera"
         default 15
+    config BSP_CAMERA_CMOS_HREF_PIN
+        int "CMOS HREF pin number for camera"
+        default 17
 endif
 

bsp/k210/driver/SConscript

@@ -7,15 +7,13 @@ src     = Split('''
 board.c
 heap.c
 drv_uart.c
+drv_io_config.c
 ''')
 CPPPATH = [cwd]
 
 if GetDepend('BSP_USING_LCD'):
     src += ['drv_lcd.c']
 
-if GetDepend('RT_USING_PIN'):
-    src += ['drv_gpio.c']
-
 if GetDepend('RT_USING_HWTIMER'):
     src += ['drv_hw_timer.c']
 
@@ -31,9 +29,6 @@ if GetDepend('RT_USING_SPI'):
 if GetDepend('RT_USING_PWM'):
     src += ['drv_pwm.c']
 
-if GetDepend('RT_USING_RTC'):
-    src += ['drv_rtc.c']
-
 if GetDepend('RT_USING_WDT'):
     src += ['drv_wdt.c']
 

bsp/k210/driver/drv_io_config.c

@@ -25,23 +25,31 @@ static struct io_config
     {BSP_CAMERA_CMOS_PWDN_PIN, FUNC_CMOS_PWDN},
     {BSP_CAMERA_CMOS_XCLK_PIN, FUNC_CMOS_XCLK},
     {BSP_CAMERA_CMOS_PCLK_PIN, FUNC_CMOS_PCLK},
+    {BSP_CAMERA_CMOS_PCLK_PIN, FUNC_CMOS_HREF},
 #endif
 
 #ifdef BSP_USING_SPI1
-    {17, FUNC_CMOS_HREF},
-    {24, FUNC_SPI1_SS3},
-    {29, FUNC_SPI1_SCLK},
-    {30, FUNC_SPI1_D0},
-    {31, FUNC_SPI1_D1},
+    {BSP_SPI1_CLK_PIN, FUNC_SPI1_SCLK},
+    {BSP_SPI1_D0_PIN, FUNC_SPI1_D0},
+    {BSP_SPI1_D1_PIN, FUNC_SPI1_D1},
 #ifdef BSP_USING_SPI1_AS_QSPI
-    {32, FUNC_SPI1_D2},
-    {33, FUNC_SPI1_D3},
+    {BSP_SPI1_D2_PIN, FUNC_SPI1_D2},
+    {BSP_SPI1_D3_PIN, FUNC_SPI1_D3},
 #endif
+#ifdef BSP_SPI1_USING_SS0
+    {BSP_SPI1_SS0_PIN, HS_GPIO(SPI1_CS0_PIN)},
 #endif
-
-#ifdef BSP_USING_SDCARD
-    {32, HS_GPIO(SD_CS_PIN)},
+#ifdef BSP_SPI1_USING_SS1
+    {BSP_SPI1_SS1_PIN, HS_GPIO(SPI1_CS1_PIN)},
+#endif
+#ifdef BSP_SPI1_USING_SS2
+    {BSP_SPI1_SS2_PIN, HS_GPIO(SPI1_CS2_PIN)},
+#endif
+#ifdef BSP_SPI1_USING_SS3
+    {BSP_SPI1_SS3_PIN, HS_GPIO(SPI1_CS3_PIN)},
 #endif
+#endif
+
 };
 
 

bsp/k210/driver/drv_io_config.h

@@ -6,9 +6,17 @@ enum HS_GPIO_CONFIG
 #ifdef BSP_USING_LCD
     LCD_DC_PIN = 0,     /* LCD DC PIN */
 #endif
-
-#ifdef BSP_USING_SDCARD
-    SD_CS_PIN,          /* SD_CS_PIN */
+#ifdef BSP_SPI1_USING_SS0
+    SPI1_CS0_PIN,
+#endif
+#ifdef BSP_SPI1_USING_SS1
+    SPI1_CS1_PIN,
+#endif
+#ifdef BSP_SPI1_USING_SS2
+    SPI1_CS2_PIN,
+#endif
+#ifdef BSP_SPI1_USING_SS3
+    SPI1_CS3_PIN,
 #endif
 };
 

bsp/k210/driver/drv_spi.c

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-03-18     ZYH          first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#ifdef RT_USING_SPI
+#include "drv_spi.h"
+#include <drv_io_config.h>
+#include <spi.h>
+#include <dmac.h>
+#include <sysctl.h>
+#include <gpiohs.h>
+#include <string.h>
+
+#define DRV_SPI_DEVICE(spi_bus)    (struct drv_spi_bus *)(spi_bus)
+
+struct drv_spi_bus
+{
+    struct rt_spi_bus parent;
+    spi_device_num_t spi_instance;
+    dmac_channel_number_t dma_send_channel;
+    dmac_channel_number_t dma_recv_channel;
+};
+
+struct drv_cs
+{
+    int cs_index;
+    int cs_pin;
+};
+
+static volatile spi_t *const spi_instance[4] =
+{
+    (volatile spi_t *)SPI0_BASE_ADDR,
+    (volatile spi_t *)SPI1_BASE_ADDR,
+    (volatile spi_t *)SPI_SLAVE_BASE_ADDR,
+    (volatile spi_t *)SPI3_BASE_ADDR
+};
+
+static rt_err_t drv_spi_configure(struct rt_spi_device *device,
+                                  struct rt_spi_configuration *configuration)
+{
+    rt_err_t ret = RT_EOK;
+    struct drv_spi_bus *bus = DRV_SPI_DEVICE(device->bus);
+    struct drv_cs * cs = (struct drv_cs *)device->parent.user_data;
+    RT_ASSERT(bus != RT_NULL);
+
+    gpiohs_set_drive_mode(cs->cs_pin, GPIO_DM_OUTPUT);
+    gpiohs_set_pin(cs->cs_pin, GPIO_PV_HIGH);
+
+#ifdef BSP_USING_SPI1_AS_QSPI
+    /* Todo:QSPI*/
+#else
+    spi_init(bus->spi_instance, configuration->mode & RT_SPI_MODE_3, SPI_FF_STANDARD, configuration->data_width, 0);
+#endif
+    spi_set_clk_rate(bus->spi_instance, configuration->max_hz);
+
+    return ret;
+}
+
+extern void spi_receive_data_normal_dma(dmac_channel_number_t dma_send_channel_num,
+                                  dmac_channel_number_t dma_receive_channel_num,
+                                  spi_device_num_t spi_num, spi_chip_select_t chip_select, const void *cmd_buff,
+                                  size_t cmd_len, void *rx_buff, size_t rx_len);
+
+
+
+
+static rt_uint32_t drv_spi_xfer(struct rt_spi_device *device, struct rt_spi_message *message)
+{
+    struct drv_spi_bus *bus = DRV_SPI_DEVICE(device->bus);
+    struct drv_cs * cs = (struct drv_cs *)device->parent.user_data;
+    struct rt_spi_configuration *cfg = &device->config;
+    const uint8_t * tx_buff = message->send_buf;
+    uint8_t * rx_buff = message->recv_buf;
+    uint32_t dummy[1024];
+    size_t send_size, recv_size;
+
+    send_size = message->length;
+    recv_size = message->length;
+
+    RT_ASSERT(bus != RT_NULL);
+
+    if(message->cs_take)
+    {
+        gpiohs_set_pin(cs->cs_pin, GPIO_PV_LOW);
+    }
+    if(message->length)
+    {
+        if(!tx_buff)
+        {
+            tx_buff = (uint8_t *)&dummy;
+            send_size = 1;
+        }
+
+        if(!rx_buff)
+        {
+            rx_buff = (uint8_t *)&dummy;
+            recv_size = 1;
+        }
+        spi_dup_send_receive_data_dma(bus->dma_send_channel, bus->dma_recv_channel, bus->spi_instance, cs->cs_index, tx_buff, send_size, rx_buff, recv_size);
+    }
+
+    if(message->cs_release)
+    {
+        gpiohs_set_pin(cs->cs_pin, GPIO_PV_HIGH);
+    }
+
+    return message->length;
+}
+
+const static struct rt_spi_ops drv_spi_ops =
+{
+    drv_spi_configure,
+    drv_spi_xfer
+};
+
+int rt_hw_spi_init(void)
+{
+    rt_err_t ret = RT_EOK;
+    
+#ifdef BSP_USING_SPI1
+    {
+        static struct drv_spi_bus spi_bus1;
+        spi_bus1.spi_instance = SPI_DEVICE_1;
+        spi_bus1.dma_send_channel = DMAC_CHANNEL1;
+        spi_bus1.dma_recv_channel = DMAC_CHANNEL2;
+        ret = rt_spi_bus_register(&spi_bus1.parent, "spi1", &drv_spi_ops);
+
+#ifdef BSP_SPI1_USING_SS0
+        {
+            static struct rt_spi_device spi_device10;
+            static struct drv_cs cs10 = 
+            {
+                .cs_index = SPI_CHIP_SELECT_0,
+                .cs_pin = SPI1_CS0_PIN
+            };
+            
+            rt_spi_bus_attach_device(&spi_device10, "spi10", "spi1", (void *)&cs10);
+        }
+#endif
+
+#ifdef BSP_SPI1_USING_SS1
+        {
+            static struct rt_spi_device spi_device11;
+            static struct drv_cs cs11 = 
+            {
+                .cs_index = SPI_CHIP_SELECT_1,
+                .cs_pin = SPI1_CS1_PIN
+            };
+            rt_spi_bus_attach_device(&spi_device11, "spi11", "spi1", (void *)&cs11);
+        }
+#endif
+
+#ifdef BSP_SPI1_USING_SS2
+        {
+            static struct rt_spi_device spi_device12;
+            static struct drv_cs cs12 = 
+            {
+                .cs_index = SPI_CHIP_SELECT_2,
+                .cs_pin = SPI1_CS2_PIN
+            };
+            rt_spi_bus_attach_device(&spi_device12, "spi12", "spi1", (void *)&cs12);
+        }
+#endif
+
+#ifdef BSP_SPI1_USING_SS3
+        {
+            static struct rt_spi_device spi_device13;
+            static struct drv_cs cs13 = 
+            {
+                .cs_index = SPI_CHIP_SELECT_2,
+                .cs_pin = SPI1_CS2_PIN
+            };
+            rt_spi_bus_attach_device(&spi_device13, "spi13", "spi1", (void *)&cs13);
+        }
+#endif
+    }
+#endif
+    return ret;
+}
+INIT_DEVICE_EXPORT(rt_hw_spi_init);
+#endif

bsp/k210/driver/drv_spi.h

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-03-18     ZYH          first version
+ */
+
+#ifndef DRV_SPI_H__
+#define DRV_SPI_H__
+
+int rt_hw_spi_init(void);
+
+#endif