[bsp][lpc55sxx]add: drv_lcd and drv_touch (#7569)

bsp/lpc55sxx/Libraries/drivers/SConscript

@@ -49,7 +49,18 @@ if  GetDepend('BSP_USING_SOFT_I2C'):
 if GetDepend('BSP_USING_SOFT_SPI'):
     src += ['drv_soft_spi.c']
 
-path =  [cwd,cwd + '/config']
+if GetDepend('BSP_USING_LCD'):
+    src += ['drv_st7796.c']
+    src += ['sample/lcd_sample.c']
+
+if GetDepend('BSP_USING_TOUCH'):
+    src += ['drv_gt911.c']
+    src += ['sample/touch_sample.c']
+
+if GetDepend('BSP_USING_NXP_LCDM_S'):
+    src += ['sample/lcd_touch_sample.c']
+
+path =  [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)
 

bsp/lpc55sxx/Libraries/drivers/drv_gt911.c

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-26     Chushicheng  the first version
+ */
+
+#include "drv_gt911.h"
+
+#define LOG_TAG             "drv.gt911"
+#include <drv_log.h>
+
+#ifndef BSP_TOUCH_I2C_BUS
+#define BSP_TOUCH_I2C_BUS       "i2c1"
+#endif
+#define CAPT_I2C_ADDR           (0x5D)
+
+#define GT911_REG_RT_CMD            0x8040U
+#define GT911_REG_RT_CMD_SW_RST_Pos 2U
+#define GT911_REG_RT_CMD_SW_RST_Msk (1U << GT911_REG_RT_CMD_SW_RST_Pos)
+#define GT911_REG_RT_CMD_READ_Pos   0U
+#define GT911_REG_RT_CMD_READ_Msk   (1U << GT911_REG_RT_CMD_READ_Pos)
+
+#define GT911_REG_CONFIG_VERSION 0x8047U
+
+#define GT911_REG_MODULE_SW1         0x804DU
+#define GT911_REG_MODULE_SW1_INT_Pos 0U
+#define GT911_REG_MODULE_SW1_INT_Msk (3U << GT911_REG_MODULE_SW1_INT_Pos)
+
+#define GT911_REG_PRODUCT_ID 0x8140U
+
+#define GT911_REG_COORD            0x814EU
+#define GT911_REG_COORD_STATUS_Pos 7U
+#define GT911_REG_COORD_STATUS_Msk (1U << GT911_REG_COORD_STATUS_Pos)
+
+#define GT911_REG_POINT0 0x814FU
+
+static capt_t capt_obj;
+
+static rt_err_t gt911_ctp_read_reg(gt911_t *ctp, rt_uint16_t reg, rt_uint8_t *data, rt_uint16_t len);
+static rt_err_t gt911_ctp_write_reg(gt911_t *ctp, rt_uint16_t reg, rt_uint8_t data);
+static rt_err_t gt911_ctp_sw_reset(gt911_t *ctp);
+static rt_err_t gt911_ctp_read_config(gt911_t *ctp);
+static rt_err_t gt911_ctp_config_interrupt(gt911_t *ctp);
+static rt_err_t gt911_ctp_init(gt911_t *ctp);
+rt_err_t gt911_ctp_read(gt911_t *ctp, gt911_input_t *input);
+
+static rt_err_t gt911_ctp_init(gt911_t *ctp)
+{
+    if (ctp->ops.reset)
+    {
+        if (ctp->ops.reset(ctp->user_data) != RT_EOK)
+        {
+            return -RT_ERROR;
+        }
+    }
+    if (gt911_ctp_sw_reset(ctp) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    if (gt911_ctp_read_config(ctp) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    if (gt911_ctp_config_interrupt(ctp) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    return RT_EOK;
+}
+
+rt_err_t gt911_ctp_read(gt911_t *ctp, gt911_input_t *input)
+{
+    rt_uint8_t rx_data[40] = {0};
+
+    if (gt911_ctp_read_reg(ctp, GT911_REG_COORD, rx_data, 1) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    if ((rx_data[0] & GT911_REG_COORD_STATUS_Msk) == 0)
+    {
+        input->num_pos = 0U;
+        return RT_EOK;
+    }
+    input->num_pos = rx_data[0] & 0x0F;
+    if (gt911_ctp_read_reg(ctp, GT911_REG_POINT0, rx_data, 40) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    for (rt_uint8_t i = 0; i < input->num_pos; i++)
+    {
+        rt_uint8_t point_offset = 8 * i; /* Each point has 8 bytes */
+
+        input->pos[i].id    = rx_data[point_offset];                                         /* 0x00: Track ID */
+        input->pos[i].pos_x = rx_data[point_offset + 1] | (rx_data[point_offset + 2] << 8U); /* 0x01-0x02: X coord */
+        input->pos[i].pos_y = rx_data[point_offset + 3] | (rx_data[point_offset + 4] << 8U); /* 0x03-0x04: Y coord */
+        input->pos[i].size  = rx_data[point_offset + 5] | (rx_data[point_offset + 6] << 8U); /* 0x05-0x06: Size*/
+    }
+    /* Clear buffer status latch, ready for new data */
+    gt911_ctp_write_reg(ctp, GT911_REG_COORD, 0x00);
+
+    return RT_EOK;
+}
+
+static rt_err_t gt911_ctp_read_reg(gt911_t *ctp, rt_uint16_t reg, rt_uint8_t *data, rt_uint16_t len)
+{
+    rt_uint8_t tx_data[2] = {(reg >> 8U), (reg & 0xFFU)};
+    gt911_i2c_xfer_t xfer =
+    {
+        .tx_data = tx_data,
+        .rx_data = data,
+        .tx_len  = 2,
+        .rx_len  = len,
+    };
+
+    return ctp->ops.xfer(ctp->user_data, &xfer);
+}
+
+static rt_err_t gt911_ctp_write_reg(gt911_t *ctp, rt_uint16_t reg, rt_uint8_t data)
+{
+    rt_uint8_t tx_data[3] = {(reg >> 8U), (reg & 0xFFU), data};
+    gt911_i2c_xfer_t xfer =
+    {
+        .tx_data = tx_data,
+        .rx_data = NULL,
+        .tx_len  = 3,
+        .rx_len  = 0,
+    };
+
+    return ctp->ops.xfer(ctp->user_data, &xfer);
+}
+
+static rt_err_t gt911_ctp_sw_reset(gt911_t *ctp)
+{
+    return gt911_ctp_write_reg(ctp, GT911_REG_RT_CMD, (GT911_REG_RT_CMD_SW_RST_Msk));
+}
+
+static rt_err_t gt911_ctp_read_config(gt911_t *ctp)
+{
+    rt_uint8_t rx_data[7];
+    if (gt911_ctp_read_reg(ctp, GT911_REG_CONFIG_VERSION, rx_data, 7) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    ctp->fw_version = rx_data[0];                      /* 0x8047, Config Version */
+    ctp->pos_x_max  = rx_data[1] | (rx_data[2] << 8U); /* 0x8048-0x8049, Maximum X */
+    ctp->pos_y_max  = rx_data[3] | (rx_data[4] << 8U); /* 0x804A-0x804B, Maximum Y */
+    ctp->pos_max    = rx_data[5] & 0x0FU;              /* 0x804C, Maximum positions */
+
+    return RT_EOK;
+}
+
+static rt_err_t gt911_ctp_config_interrupt(gt911_t *ctp)
+{
+    rt_uint8_t mod_sw1 = 0x00U;
+    if (gt911_ctp_read_reg(ctp, GT911_REG_MODULE_SW1, &mod_sw1, 0x01) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    mod_sw1 &= ~(GT911_REG_MODULE_SW1_INT_Msk);
+    mod_sw1 |= (ctp->int_mode & GT911_REG_MODULE_SW1_INT_Msk);
+
+    return gt911_ctp_write_reg(ctp, GT911_REG_MODULE_SW1, mod_sw1);
+}
+
+static rt_err_t ctp_impl_xfer(void *handle, gt911_i2c_xfer_t *xfer)
+{
+    capt_t *capt = (capt_t*)handle;
+
+    if(xfer->tx_len) rt_i2c_master_send(capt->bus, CAPT_I2C_ADDR, 0, xfer->tx_data, xfer->tx_len);
+    if(xfer->rx_len) rt_i2c_master_recv(capt->bus, CAPT_I2C_ADDR, 0, xfer->rx_data, xfer->rx_len);
+
+    return RT_EOK;
+}
+
+int drv_capt_hw_init(void)
+{
+    capt_obj.bus = (struct rt_i2c_bus_device*)rt_device_find(BSP_TOUCH_I2C_BUS);
+    if(capt_obj.bus == RT_NULL)
+    {
+        LOG_E("no %s device\r\n", BSP_TOUCH_I2C_BUS);
+        return -RT_ERROR;
+    }
+
+    capt_obj.gt911.user_data = capt_obj.parent.user_data = &capt_obj;
+    capt_obj.gt911.ops.xfer = ctp_impl_xfer;
+    if(gt911_ctp_init(&capt_obj.gt911) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    rt_device_register(&capt_obj.parent, "capt", RT_DEVICE_FLAG_RDWR);
+
+    return RT_EOK;
+}
+INIT_COMPONENT_EXPORT(drv_capt_hw_init);

bsp/lpc55sxx/Libraries/drivers/drv_gt911.h

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-26     Chushicheng  the first version
+ */
+
+#ifndef __DRV_GT911_H
+#define __DRV_GT911_H
+
+#include <rtdevice.h>
+
+typedef enum
+{
+    GT911_INT_MODE_IRQ_RISE = 0x00U,
+    GT911_INT_MODE_IRQ_FALL = 0x01U,
+    GT911_INT_MODE_POLL     = 0x03U,
+} gt911_int_mode_t;
+
+typedef struct
+{
+    rt_uint8_t  id;
+    rt_uint16_t pos_x;
+    rt_uint16_t pos_y;
+    rt_uint16_t size;
+} gt911_point_t;
+
+typedef struct
+{
+    rt_uint8_t       num_pos;
+    gt911_point_t pos[5];
+} gt911_input_t;
+
+typedef struct
+{
+    rt_uint8_t *tx_data;
+    rt_uint8_t *rx_data;
+    rt_uint16_t tx_len;
+    rt_uint16_t rx_len;
+} gt911_i2c_xfer_t;
+
+typedef rt_err_t (*gt911_ops_reset_t)(void *handle);
+typedef rt_err_t (*gt911_ops_i2c_xfer_t)(void *handle, gt911_i2c_xfer_t *xfer);
+
+typedef struct
+{
+    gt911_ops_reset_t    reset;
+    gt911_ops_i2c_xfer_t xfer;
+} gt911_ops_t;
+
+typedef struct
+{
+    rt_uint16_t         pos_x_max;
+    rt_uint16_t         pos_y_max;
+    rt_uint8_t          pos_max;
+    rt_uint8_t          fw_version;
+    gt911_int_mode_t int_mode;
+    gt911_ops_t      ops;
+    void            *user_data;
+} gt911_t;
+
+typedef struct
+{
+    struct rt_device            parent;
+    struct rt_i2c_bus_device   *bus;
+    gt911_t                     gt911;
+} capt_t;
+
+rt_err_t gt911_ctp_read(gt911_t *ctp, gt911_input_t *input);
+int drv_capt_hw_init(void);
+
+#endif /* __DRV_GT911_H */

bsp/lpc55sxx/Libraries/drivers/drv_i2c.c

@@ -55,7 +55,7 @@ struct lpc_i2c_bus lpc_obj[] =
         {
             .I2C = I2C1,
             .DMA = DMA0,
-            .dma_chl = 12,
+            .dma_chl = 7,
             .device_name = "i2c1",
             .baud = 100000U,
             .instance = 1U,

bsp/lpc55sxx/Libraries/drivers/drv_spi.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-18     Chushicheng      The first version for LPC55S6x
+ */
+
+#ifndef __DRV_SPI_H__
+#define __DRV_SPI_H__
+
+#include <rtdevice.h>
+
+rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
+
+#endif /*__DRV_SPI_H__ */

bsp/lpc55sxx/Libraries/drivers/drv_st7796.c

@@ -0,0 +1,339 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-23     Chushicheng  the first version
+ */
+
+#include "drv_spi.h"
+#include "drv_st7796.h"
+
+#define LOG_TAG             "drv.st7796"
+#include <drv_log.h>
+
+#ifndef ST7796_LCD_IPS_PANEL
+#define ST7796_LCD_IPS_PANEL 1
+#else
+#define ST7796_LCD_IPS_PANEL 0
+#endif
+
+#define ST7796_INIT_SEQ_NAME(x) st7796_init_seq_##x##_480_320
+#if ST7796_LCD_IPS_PANEL
+#define ST7796_LCD_INIT_SEQ ST7796_INIT_SEQ_NAME(ips)
+#else
+#define ST7796_LCD_INIT_SEQ ST7796_INIT_SEQ_NAME(tft)
+#endif
+
+static st7796_t lcd_spi_obj;
+
+static rt_err_t _st7796_init_seq(st7796_lcd_t *lcd);
+static rt_err_t _st7796_window(st7796_lcd_t *lcd, rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end);
+static rt_err_t _st7796_reset(st7796_lcd_t *lcd);
+static rt_err_t st7796_lcd_load(st7796_lcd_t *lcd, void *data, rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end);
+static rt_err_t st7796_lcd_sleep(st7796_lcd_t *lcd, rt_uint8_t sleep_mode);
+static rt_err_t st7796_lcd_display(st7796_lcd_t *lcd, rt_uint8_t display_on);
+static rt_err_t st7796_lcd_config(st7796_lcd_t *lcd, st7796_config_t *config);
+void lcd_load(rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end, void *data);
+
+static rt_uint8_t st7796_init_seq_tft_480_320[] =
+{
+    0x01, 0xF0, 0xC3,                                            /* Enable command part 1 */
+    0x01, 0xF0, 0x96,                                            /* Enable command part 2*/
+    0x08, 0xE8, 0x40, 0x82, 0x07, 0x18, 0x27, 0x0A, 0xB6, 0x33,  /* DOCA */
+    0x01, 0xC5, 0x27,                                            /* VCOM control */
+    0x01, 0xC2, 0xA7,                                            /* Power control 3 */
+    0x0E, 0xE0, 0xF0, 0x01, 0x06, 0x0F, 0x12, 0x1D, 0x36, 0x54, 0x44, 0x0C, 0x18, 0x16, 0x13, 0x15,  /* PGC */
+    0x0E, 0xE1, 0xF0, 0x01, 0x05, 0x0A, 0x0B, 0x07, 0x32, 0x44, 0x44, 0x0C, 0x18, 0x17, 0x13, 0x16,  /* NGC */
+    0x01, 0xF0, 0x3C,  /* Disable command part 1 */
+    0x01, 0xF0, 0x69,  /* Disable command part 2 */
+};
+
+static rt_uint8_t st7796_init_seq_ips_480_320[] =
+{
+    0x01, 0xF0, 0xC3,                                            /* Enable command part 1 */
+    0x01, 0xF0, 0x96,                                            /* Enable command part 2 */
+    0x01, 0xB4, 0x01,                                            /* Display inversion */
+    0x02, 0xB1, 0x80, 0x10,                                      /* Frame rate control 1 */
+    0x04, 0xB5, 0x1F, 0x50, 0x00, 0x20,                          /* Blanking porch control */
+    0x03, 0xB6, 0x8A, 0x07, 0x3B,                                /* Display function control */
+    0x02, 0xC0, 0x80, 0x64,                                      /* Power control 1 */
+    0x01, 0xC1, 0x13,                                            /* Power control 2 */
+    0x01, 0xC2, 0xA7,                                            /* Power control 3 */
+    0x01, 0xC5, 0x09,                                            /* VCOM control */
+    0x08, 0xE8, 0x40, 0x8A, 0x00, 0x00, 0x29, 0x19, 0xA5, 0x33,  /* DOCA */
+    0x0E, 0xE0, 0xF0, 0x06, 0x0B, 0x07, 0x06, 0x05, 0x2E, 0x33, 0x47, 0x3A, 0x17, 0x16, 0x2E, 0x31,  /* PGC */
+    0x0E, 0xE1, 0xF0, 0x09, 0x0D, 0x09, 0x08, 0x23, 0x2E, 0x33, 0x46, 0x38, 0x13, 0x13, 0x2C, 0x32,  /* NGC */
+    0x01, 0xF0, 0x3C,  /* Disable command part 1 */
+    0x01, 0xF0, 0x69,  /* Disable command part 2 */
+};
+
+static rt_err_t _st7796_init_seq(st7796_lcd_t *lcd)
+{
+    rt_uint16_t i = 0;
+
+    while (i < sizeof(ST7796_LCD_INIT_SEQ))
+    {
+        if (lcd->cb.write_cmd_cb(lcd->user_data, &ST7796_LCD_INIT_SEQ[i + 1], ST7796_LCD_INIT_SEQ[i] + 1) != RT_EOK)
+        {
+            return -RT_ERROR;
+        };
+        i += ST7796_LCD_INIT_SEQ[i] + 2;
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t _st7796_window(st7796_lcd_t *lcd, rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end)
+{
+    rt_uint16_t real_x_start, real_x_end, real_y_start, real_y_end;
+    rt_uint16_t x_offset, y_offset;
+    switch (lcd->config.direction)
+    {
+        case ST7796_DIR_0:
+            x_offset = 0;
+            y_offset = 0;
+            break;
+        case ST7796_DIR_90:
+            x_offset = 0;
+            y_offset = 0;
+            break;
+        case ST7796_DIR_180:
+            x_offset = 320;
+            y_offset = 480;
+            break;
+        case ST7796_DIR_270:
+            x_offset = 480;
+            y_offset = 320;
+            break;
+        default:
+            x_offset = 0;
+            y_offset = 0;
+    }
+    real_x_start = x_start + x_offset;
+    real_x_end   = x_end + x_offset;
+    real_y_start = y_start + y_offset;
+    real_y_end   = y_end + y_offset;
+
+    rt_uint8_t tx_buf[5] = {0x2A, ((rt_uint8_t)(real_x_start >> 0x08U) & 0xFFU), (real_x_start & 0xFFU),
+                         ((rt_uint8_t)(real_x_end >> 0x08U) & 0xFFU), (real_x_end & 0xFFU)};
+
+    if (lcd->cb.write_cmd_cb(lcd->user_data, tx_buf, 0x05) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    tx_buf[0] = 0x2B;
+    tx_buf[1] = ((rt_uint8_t)(real_y_start >> 0x08U) & 0xFFU);
+    tx_buf[2] = (real_y_start & 0xFFU);
+    tx_buf[3] = ((rt_uint8_t)(real_y_end >> 0x08U) & 0xFFU);
+    tx_buf[4] = (real_y_end & 0xFFU);
+    if (lcd->cb.write_cmd_cb(lcd->user_data, tx_buf, 0x05) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t _st7796_reset(st7796_lcd_t *lcd)
+{
+    return lcd->cb.reset_cb(lcd->user_data);
+}
+
+static rt_err_t lcd_impl_reset(void *handle)
+{
+    rt_pin_write(BSP_LCD_RST_PIN, PIN_LOW);
+    rt_thread_mdelay(50);
+    rt_pin_write(BSP_LCD_RST_PIN, PIN_HIGH);
+    rt_thread_mdelay(50);
+
+    return RT_EOK;
+}
+
+static rt_err_t st7796_lcd_init(st7796_lcd_t *lcd)
+{
+    if (_st7796_reset(lcd) != RT_EOK) return -RT_ERROR;
+    if (_st7796_init_seq(lcd) != RT_EOK) return -RT_ERROR;
+    if (st7796_lcd_config(lcd, &lcd->config) != RT_EOK) return -RT_ERROR;
+    if (st7796_lcd_sleep(lcd, 0) != RT_EOK) return -RT_ERROR;
+    if (st7796_lcd_display(lcd, 1) != RT_EOK) return -RT_ERROR;
+
+    return RT_EOK;
+}
+
+static rt_err_t st7796_lcd_load(st7796_lcd_t *lcd, void *data, rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end)
+{
+    rt_uint32_t pixel_count = (y_end - y_start + 1) * (x_end - x_start + 1);
+    rt_uint32_t data_len = 0;
+
+    switch (lcd->config.pix_fmt)
+    {
+        case ST7796_RGB444:
+            data_len = pixel_count * 3 / 2;
+            break;
+        case ST7796_RGB565:
+            data_len = pixel_count * 2;
+            break;
+        case ST7796_RGB666:
+        case ST7796_RGB888:
+            data_len = pixel_count * 3;
+            break;
+        default:
+            data_len = pixel_count;
+            break;
+    }
+
+    /* Set cursor */
+    if (_st7796_window(lcd, x_start, x_end, y_start, y_end) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+
+    rt_uint8_t command = 0x2C;  /* Memory Write */
+    if (lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    /* Write pixel data */
+    if (lcd->cb.write_data_cb(lcd->user_data, data, data_len) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+
+    return RT_EOK;
+}
+
+void lcd_load(rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end, void *data)
+{
+    st7796_t *lcd_obj = (st7796_t *)rt_device_find("lcd");
+    st7796_lcd_load(&lcd_obj->st7796, data, x_start, x_end, y_start, y_end);
+}
+
+static rt_err_t st7796_lcd_sleep(st7796_lcd_t *lcd, rt_uint8_t sleep_mode)
+{
+    /* Write SLPIN or SLPOUT command */
+    rt_uint8_t command = sleep_mode ? 0x10 : 0x11;
+    return lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01);
+}
+
+static rt_err_t st7796_lcd_display(st7796_lcd_t *lcd, rt_uint8_t display_on)
+{
+    /* write display_on command */
+    rt_uint8_t command = display_on ? 0x29 : 0x28;
+    if (lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    if ((lcd->cb.backlight_cb != NULL) && (lcd->cb.backlight_cb(lcd->user_data, display_on) != RT_EOK))
+    {
+        return -RT_ERROR;
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t st7796_lcd_config(st7796_lcd_t *lcd, st7796_config_t *config)
+{
+    lcd->config.direction = config->direction;
+
+    /* Write inversion command */
+    rt_uint8_t command[2] = {config->inversion ? 0x20 : 0x21, 0x00};
+    if (lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    lcd->config.inversion = config->inversion;
+
+    command[0] = 0x3A;
+    command[1] = config->pix_fmt;
+    if (lcd->cb.write_cmd_cb(lcd->user_data, command, 0x02) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+    lcd->config.pix_fmt = config->pix_fmt;
+
+    command[0] = 0x36;
+    command[1] = config->direction;
+    if (!config->bgr_mode)
+    {
+        command[1] &= ~0x08U;
+    }
+
+    if (config->mirrored)
+    {
+        /* Invert X or Y bit */
+        if (config->direction == ST7796_DIR_90 || config->direction == ST7796_DIR_270)
+        {
+            command[1] ^= 0x80U;
+        }
+        else
+        {
+            command[1] ^= 0x40U;
+        }
+    }
+
+    return lcd->cb.write_cmd_cb(lcd->user_data, command, 0x02);
+}
+
+static rt_err_t lcd_impl_write_cmd(void *handle, rt_uint8_t *cmd, rt_uint8_t len)
+{
+    st7796_t *nxp_lcd = (st7796_t*)handle;
+
+    rt_pin_write(BSP_LCD_DC_PIN, PIN_LOW);
+    rt_spi_send(nxp_lcd->spi_dev, cmd, 1);
+    if (len > 1)
+    {
+        rt_pin_write(BSP_LCD_DC_PIN, PIN_HIGH);
+        rt_spi_send(nxp_lcd->spi_dev, &cmd[1], len-1);
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t lcd_impl_write_data(void *handle, void *data, rt_uint32_t len)
+{
+    st7796_t *nxp_lcd = (st7796_t*)handle;
+
+    rt_pin_write(BSP_LCD_DC_PIN, PIN_HIGH);
+    rt_spi_send(nxp_lcd->spi_dev, data, len);
+
+    return RT_EOK;
+}
+
+int drv_st7796_init(void)
+{
+    rt_pin_mode(BSP_LCD_RST_PIN, PIN_MODE_OUTPUT);
+    rt_pin_mode(BSP_LCD_DC_PIN, PIN_MODE_OUTPUT);
+    rt_pin_write(BSP_LCD_RST_PIN, PIN_HIGH);
+
+    lcd_spi_obj.st7796.config.direction = ST7796_DIR_90;
+    lcd_spi_obj.st7796.config.pix_fmt = ST7796_RGB565;
+    lcd_spi_obj.st7796.config.bgr_mode = 1;
+    lcd_spi_obj.st7796.config.inversion = 0;
+    lcd_spi_obj.st7796.config.mirrored = 1;
+    lcd_spi_obj.st7796.cb.reset_cb = lcd_impl_reset;
+    lcd_spi_obj.st7796.cb.write_cmd_cb = lcd_impl_write_cmd;
+    lcd_spi_obj.st7796.cb.write_data_cb = lcd_impl_write_data;
+    lcd_spi_obj.st7796.user_data = lcd_spi_obj.parent.user_data = &lcd_spi_obj;
+
+    rt_hw_spi_device_attach(BSP_LCD_SPI_BUS, LCD_DEVICE_NAME, BSP_LCD_CS_PIN);
+    lcd_spi_obj.spi_dev = (struct rt_spi_device *)rt_device_find(LCD_DEVICE_NAME);
+    if (!lcd_spi_obj.spi_dev)
+    {
+        LOG_E("lcd init run failed! can't find %s device!\n", LCD_DEVICE_NAME);
+        return -RT_ERROR;
+    }
+    struct rt_spi_configuration cfg;
+    cfg.data_width = 8;
+    cfg.mode = RT_SPI_MODE_0 | RT_SPI_MSB; /* SPI Compatible: Mode 0 and Mode 3 */
+    cfg.max_hz = 10 * 1000 * 1000; /* 10M */
+    rt_spi_configure(lcd_spi_obj.spi_dev, &cfg);
+
+    st7796_lcd_init(&lcd_spi_obj.st7796);
+    rt_device_register(&lcd_spi_obj.parent, "lcd", RT_DEVICE_FLAG_RDWR);
+
+    return RT_EOK;
+}
+INIT_ENV_EXPORT(drv_st7796_init);

bsp/lpc55sxx/Libraries/drivers/drv_st7796.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-23     Chushicheng  the first version.
+ */
+
+#ifndef DRV_ST7796_H__
+#define DRV_ST7796_H__
+
+#include <rtdevice.h>
+
+#define LCD_DEVICE_NAME  "st7796"
+typedef enum
+{
+    ST7796_DIR_0   = 0x08U,
+    ST7796_DIR_90  = 0x68U,
+    ST7796_DIR_180 = 0xC8U,
+    ST7796_DIR_270 = 0xA8U,
+} st7796_direction_t;
+
+typedef enum
+{
+    ST7796_RGB444 = 3,
+    ST7796_RGB565 = 5,
+    ST7796_RGB666 = 6,
+    ST7796_RGB888 = 7
+} st7796_pixfmt_t;
+
+typedef struct
+{
+    rt_err_t (*reset_cb)(void *handle);
+    rt_err_t (*backlight_cb)(void *handle, rt_uint8_t on);
+    rt_err_t (*write_cmd_cb)(void *handle, rt_uint8_t *cmd, rt_uint8_t len);
+    rt_err_t (*write_data_cb)(void *handle, void *data, rt_uint32_t len);
+} st7796_cb_t;
+
+typedef struct
+{
+    st7796_direction_t direction;
+    st7796_pixfmt_t pix_fmt;
+    rt_uint8_t inversion;
+    rt_uint8_t bgr_mode;
+    uint8_t mirrored;
+} st7796_config_t;
+
+typedef struct
+{
+    void *user_data;
+    st7796_cb_t cb;
+    st7796_config_t config;
+} st7796_lcd_t;
+
+typedef struct
+{
+    struct rt_device            parent;
+    st7796_lcd_t                st7796;
+    struct rt_spi_device        *spi_dev;
+} st7796_t;
+
+void lcd_load(rt_uint16_t x_start, rt_uint16_t x_end, rt_uint16_t y_start, rt_uint16_t y_end, void *data);
+int drv_st7796_init(void);
+
+#endif /* DRV_ST7796_H__ */
+

bsp/lpc55sxx/Libraries/drivers/sample/lcd_sample.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-26     Chushicheng  the first version
+ */
+/*
+ * Program Checklist: This is an LCD device usage routine
+ * The routine exports lcd_sample commands to the control terminal
+ * Command invocation format: lcd_sample
+ * Program function: Full screen refresh display
+*/
+#include <rtdevice.h>
+#include "drv_st7796.h"
+
+static void lcd_sample(void)
+{
+    static rt_uint16_t orange[319*2];
+    static rt_uint16_t green[319*2];
+    static rt_uint16_t blue[319*2];
+    st7796_t *lcd_obj = (st7796_t *)rt_device_find("lcd");
+
+    for (rt_uint32_t i = 0; i < 319*2; i++)
+    {
+        orange[i] = 0xFD;
+    }
+    for (rt_uint32_t i = 0; i < 319*2; i++)
+    {
+        green[i] = 0x07;
+    }
+    for (rt_uint32_t i = 0; i < 319*2; i++)
+    {
+        blue[i] = 0xFF1F;
+    }
+
+    while (1)
+    {
+        for (rt_uint16_t i = 0; i < 159; i++)
+        {
+            lcd_load(i, i, 0, 319, orange);
+        }
+        for (rt_uint16_t i = 159; i < 318; i++)
+        {
+            lcd_load(i, i, 0, 319, blue);
+        }
+        for (rt_uint16_t i = 318; i < 479; i++)
+        {
+            lcd_load(i, i, 0, 319, green);
+        }
+
+        for (rt_uint16_t i = 479; i > 318; i--)
+        {
+            lcd_load(i, i, 0, 319, blue);
+        }
+        for (rt_uint16_t i = 318; i > 159; i--)
+        {
+            lcd_load(i, i, 0, 319, orange);
+        }
+        for (rt_uint16_t i = 159; i > 0; i--)
+        {
+            lcd_load(i, i, 0, 319, green);
+        }
+    }
+}
+MSH_CMD_EXPORT(lcd_sample, lcd sample);

bsp/lpc55sxx/Libraries/drivers/sample/lcd_touch_sample.c

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-26     Chushicheng  the first version
+ */
+/*
+ * Program Listing: This is an LCD device touch usage routine
+ * The routine exports lcd_touch_sample commands to the control terminal
+ * Command invocation format: lcd_touch_sample
+ * Program functions: draw the trajectory of the touch on the screen and print the coordinates of the touch point on the terminal
+*/
+#include <rtdevice.h>
+#include "drv_st7796.h"
+#include "drv_gt911.h"
+
+static void lcd_touch_sample(void)
+{
+    static rt_uint16_t white[319*2];
+    rt_uint16_t green[4*4*2];
+    st7796_t *lcd_obj = (st7796_t *)rt_device_find("lcd");
+    rt_device_t dev = rt_device_find("capt");
+    capt_t *capt = (capt_t*)dev->user_data;
+    gt911_input_t ctp_input;
+
+    for (rt_uint32_t i = 0; i < 319*2; i++)
+    {
+        white[i] = 0xffff;
+    }
+    for (rt_uint32_t i = 0; i < 4*4*2; i++)
+    {
+        green[i] = 0x07;
+    }
+    for (rt_uint16_t i = 0; i < 159; i++)
+    {
+        lcd_load(i, i, 0, 319, white);
+    }
+    for (rt_uint16_t i = 159; i < 318; i++)
+    {
+        lcd_load(i, i, 0, 319, white);
+    }
+    for (rt_uint16_t i = 318; i < 479; i++)
+    {
+        lcd_load(i, i, 0, 319, white);
+    }
+
+    while(1)
+    {
+        gt911_ctp_read(&capt->gt911, &ctp_input);
+        for (rt_uint8_t  i = 0; i < ctp_input.num_pos; i++)
+        {
+            /* Found track ID #0 */
+            if (ctp_input.pos[i].id == 0)
+            {
+                lcd_load(capt->gt911.pos_y_max - ctp_input.pos[i].pos_y, capt->gt911.pos_y_max - ctp_input.pos[i].pos_y+4, ctp_input.pos[i].pos_x, ctp_input.pos[i].pos_x+4, green);
+                rt_kprintf("x:%d, y:%d\r\n", capt->gt911.pos_y_max - ctp_input.pos[i].pos_y , ctp_input.pos[i].pos_x);
+            }
+        }
+    }
+}
+MSH_CMD_EXPORT(lcd_touch_sample, lcd sample);

bsp/lpc55sxx/Libraries/drivers/sample/touch_sample.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-05-26     Chushicheng  the first version
+ */
+/*
+ * Program listing: This is a touch device usage routine
+ * The routine exports touch_sample commands to the control terminal
+ * Command invocation format: touch_sample
+ * Program function: The terminal prints the coordinates of the touch point
+*/
+#include <rtdevice.h>
+#include "drv_gt911.h"
+
+static int touch_sample(void)
+{
+    gt911_input_t ctp_input;
+
+    rt_device_t dev = rt_device_find("capt");
+
+    RT_ASSERT(dev != RT_NULL);
+
+    capt_t *capt = (capt_t*)dev->user_data;
+    while(1)
+    {
+        gt911_ctp_read(&capt->gt911, &ctp_input);
+
+        for (rt_uint8_t  i = 0; i < ctp_input.num_pos; i++)
+        {
+            /* Found track ID #0 */
+            if (ctp_input.pos[i].id == 0)
+            {
+                rt_kprintf("x:%d, y:%d\r\n", capt->gt911.pos_y_max - ctp_input.pos[i].pos_y, ctp_input.pos[i].pos_x);
+            }
+        }
+
+        rt_thread_mdelay(16);
+    }
+
+    return RT_EOK;
+}
+
+MSH_CMD_EXPORT(touch_sample, the capt touch test);

bsp/lpc55sxx/lpc55s69_nxp_evk/board/Kconfig

@@ -296,6 +296,45 @@ menu "Onboard Peripheral Drivers"
 endmenu
 
 menu "Board extended module Drivers"
+    menuconfig BSP_USING_NXP_LCDM_S
+        config BSP_USING_NXP_LCDM_S
+            bool "Enable NXP LCD"
+            select BSP_USING_LCD
+            select BSP_USING_TOUCH
+            select BSP_USING_I2C
+            select BSP_USING_SPI
+            default n
+
+    menuconfig BSP_USING_LCD
+        config BSP_USING_LCD
+            bool "Enable LCD"
+            select BSP_USING_SPI
+            default n
+            if BSP_USING_LCD
+                config BSP_LCD_SPI_BUS
+                    string "the spi bus for lcd"
+                    default "spi3"
+                config BSP_LCD_CS_PIN
+                    int "the pin of lcd cs"
+                    default 5
+                config BSP_LCD_RST_PIN
+                    int "the pin of lcd rst"
+                    default 55
+                config BSP_LCD_DC_PIN
+                    int "the pin of lcd dc"
+                    default 3
+            endif
+
+    menuconfig BSP_USING_TOUCH
+        config BSP_USING_TOUCH
+            bool "Enable TOUCH"
+            select BSP_USING_I2C
+            default n
+            if BSP_USING_TOUCH
+                config BSP_TOUCH_I2C_BUS
+                    string "the i2c bus for lcd"
+                    default "i2c1"
+            endif
 
 endmenu