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Add lvgl_8.1.0 support for raspberry_pi pico

This commit is contained in:
Rbb666 2022-01-12 18:56:35 +08:00
parent ea9c6c94e0
commit 814c15cdbc
19 changed files with 915 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
bsp/raspberry-pico/Kconfig
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@ -17,6 +17,7 @@ config PKGS_DIR
source "$RTT_DIR/Kconfig"
source "$PKGS_DIR/Kconfig"
source "libraries/Kconfig"
config SOC_RP2040
bool

2
bsp/raspberry-pico/SConstruct
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@ -27,5 +27,7 @@ Export('rtconfig')
# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT)
objs.extend(SConscript(os.path.join(os.getcwd(), 'board', 'ports', 'SConscript')))
# make a building
DoBuilding(TARGET, objs)

16
bsp/raspberry-pico/applications/SConscript
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@ -1,11 +1,17 @@
Import('RTT_ROOT')
Import('rtconfig')
from building import *
import os
cwd = os.path.join(str(Dir('#')), 'applications')
src = Glob('*.c')
CPPPATH = [cwd, str(Dir('#'))]
cwd = GetCurrentDir()
src = ['main.c']
CPPPATH = [cwd]
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
list = os.listdir(cwd)
for item in list:
if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
group = group + SConscript(os.path.join(item, 'SConscript'))
Return('group')

16
bsp/raspberry-pico/applications/lvgl/SConscript Normal file
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@ -0,0 +1,16 @@
from building import *
import os
cwd = GetCurrentDir()
group = []
src = Glob('*.c')
CPPPATH = [cwd]
list = os.listdir(cwd)
for d in list:
path = os.path.join(cwd, d)
if os.path.isfile(os.path.join(path, 'SConscript')):
group = group + SConscript(os.path.join(d, 'SConscript'))
group += DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
Return('group')

26
bsp/raspberry-pico/applications/lvgl/lv_conf.h Normal file
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@ -0,0 +1,26 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man First version
*/
#ifndef LV_CONF_H
#define LV_CONF_H
#define LV_USE_PERF_MONITOR 1
#define LV_COLOR_DEPTH 16
#define LV_COLOR_16_SWAP 1
/* music player demo */
#define LV_HOR_RES_MAX 240
#define LV_VER_RES_MAX 240
#define LV_USE_DEMO_RTT_MUSIC 1
#define LV_DEMO_RTT_MUSIC_AUTO_PLAY 1
#define LV_FONT_MONTSERRAT_12 1
#define LV_FONT_MONTSERRAT_16 1
#endif

49
bsp/raspberry-pico/applications/lvgl/lv_demo.c Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-17 Meco Man First version
*/
#include <rtthread.h>
#include <lvgl.h>
#include <lv_port_indev.h>
#define DBG_TAG "LVGL.demo"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#ifndef LV_THREAD_STACK_SIZE
#define LV_THREAD_STACK_SIZE 4096
#endif
#ifndef LV_THREAD_PRIO
#define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX * 2 / 3)
#endif
static void lvgl_thread(void *parameter)
{
extern void lv_demo_music(void);
lv_demo_music();
while (1)
{
lv_task_handler();
rt_thread_mdelay(5);
}
}
static int lvgl_demo_init(void)
{
rt_thread_t tid;
tid = rt_thread_create("LVGL", lvgl_thread, RT_NULL, LV_THREAD_STACK_SIZE, LV_THREAD_PRIO, 0);
if (tid == RT_NULL)
{
LOG_E("Fail to create 'LVGL' thread");
}
rt_thread_startup(tid);
return 0;
}
INIT_APP_EXPORT(lvgl_demo_init);

57
bsp/raspberry-pico/applications/lvgl/lv_port_disp.c Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man The first version
* 2021-12-24 Rb Refresh using dma2d
*/
#include <lvgl.h>
#include "drv_lcd.h"
/*A static or global variable to store the buffers*/
static lv_disp_draw_buf_t disp_buf;
static lv_disp_drv_t disp_drv; /*Descriptor of a display driver*/
#define DISP_BUF_SIZE (LV_HOR_RES_MAX * LV_VER_RES_MAX)
static const lv_color_t * buf_to_flush;
static lv_disp_drv_t g_disp_drv;
static lv_color_t lv_disp_buf1[DISP_BUF_SIZE];
static void lcd_fb_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
{
LCD_DisplayWindows(area->x1, area->y1, area->x2, area->y2, (uint16_t*) color_p);
lv_disp_flush_ready(disp_drv);
}
void lv_port_disp_init(void)
{
rt_err_t result;
SPI_Init();
LCD_Init(HORIZONTAL);
/*Initialize `disp_buf` with the buffer(s).*/
lv_disp_draw_buf_init(&disp_buf, lv_disp_buf1, 0x00, DISP_BUF_SIZE);
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
/*Set the resolution of the display*/
disp_drv.hor_res = LV_VER_RES_MAX;
disp_drv.ver_res = LV_HOR_RES_MAX;
/*Set a display buffer*/
disp_drv.draw_buf = &disp_buf;
/*Used to copy the buffer's content to the display*/
disp_drv.flush_cb = lcd_fb_flush;
/*Finally register the driver*/
lv_disp_drv_register(&disp_drv);
g_disp_drv = disp_drv;
}

23
bsp/raspberry-pico/applications/lvgl/lv_port_disp.h Normal file
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@ -0,0 +1,23 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man The first version
*/
#ifndef LV_PORT_DISP_H
#define LV_PORT_DISP_H
#ifdef __cplusplus
extern "C" {
#endif
void lv_port_disp_init(void);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif

105
bsp/raspberry-pico/applications/lvgl/lv_port_indev.c Normal file
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@ -0,0 +1,105 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man The first version
*/
#include <lvgl.h>
#include <stdbool.h>
#include <rtdevice.h>
#define UP_KEY 2
#define DOWN_KEY 18
#define LEFT_KEY 16
#define RIGHT_KEY 20
#define CRTL_KEY 3
#define BUTTON0_PIN 2
#define BUTTON1_PIN 18
#define BUTTON2_PIN 16
#define BUTTON_WKUP_PIN 20
/*Test if `id` button is pressed or not*/
static bool button_is_pressed(uint8_t id)
{
switch(id)
{
case 0:
if(rt_pin_read(BUTTON0_PIN) == PIN_LOW)
return true;
break;
case 1:
if(rt_pin_read(BUTTON1_PIN) == PIN_LOW)
return true;
break;
case 2:
if(rt_pin_read(BUTTON2_PIN) == PIN_LOW)
return true;
break;
case 3:
if(rt_pin_read(BUTTON_WKUP_PIN) == PIN_LOW)
return true;
break;
}
return false;
}
static int8_t button_get_pressed_id(void)
{
uint8_t i;
/*Check to buttons see which is being pressed*/
for(i = 0; i < 4; i++)
{
/*Return the pressed button's ID*/
if(button_is_pressed(i))
{
return i;
}
}
/*No button pressed*/
return -1;
}
void button_read(lv_indev_drv_t * drv, lv_indev_data_t*data)
{
static uint32_t last_btn = 0; /*Store the last pressed button*/
int btn_pr = button_get_pressed_id(); /*Get the ID (0,1,2...) of the pressed button*/
if(btn_pr >= 0)
{ /*Is there a button press? (E.g. -1 indicated no button was pressed)*/
last_btn = btn_pr; /*Save the ID of the pressed button*/
data->state = LV_INDEV_STATE_PRESSED; /*Set the pressed state*/
}
else
{
data->state = LV_INDEV_STATE_RELEASED; /*Set the released state*/
}
data->btn_id = last_btn; /*Save the last button*/
}
lv_indev_t * button_indev;
void lv_port_indev_init(void)
{
static lv_indev_drv_t indev_drv;
/* Initialize the on-board buttons */
rt_pin_mode(BUTTON0_PIN, PIN_MODE_INPUT);
rt_pin_mode(BUTTON1_PIN, PIN_MODE_INPUT);
rt_pin_mode(BUTTON2_PIN, PIN_MODE_INPUT);
rt_pin_mode(BUTTON_WKUP_PIN, PIN_MODE_INPUT);
lv_indev_drv_init(&indev_drv); /*Basic initialization*/
indev_drv.type = LV_INDEV_TYPE_BUTTON;
indev_drv.read_cb = button_read;
/*Register the driver in LVGL and save the created input device object*/
button_indev = lv_indev_drv_register(&indev_drv);
}

28
bsp/raspberry-pico/applications/lvgl/lv_port_indev.h Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man The first version
*/
#ifndef LV_PORT_INDEV_H
#define LV_PORT_INDEV_H
#ifdef __cplusplus
extern "C" {
#endif
#include <lv_hal_indev.h>
extern lv_indev_t * button_indev;
void lv_port_indev_init(void);
void lv_port_indev_input(rt_int16_t x, rt_int16_t y, lv_indev_state_t state);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif

20
bsp/raspberry-pico/board/SConscript Normal file
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@ -0,0 +1,20 @@
import os
import rtconfig
from building import *
cwd = GetCurrentDir()
# add general drivers
src = Split('''
board.c
''')
path = [cwd]
path += [cwd + '/ports/lcd']
if GetDepend(['BSP_USING_LVGL']):
path += [cwd + '/ports/lcd']
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)
Return('group')

6
bsp/raspberry-pico/drivers/board.c → bsp/raspberry-pico/board/board.c
View File

@ -16,6 +16,8 @@
#include "board.h"
#include "hardware/structs/systick.h"
#define PLL_SYS_KHZ (133 * 1000)
void isr_systick(void)
{
/* enter interrupt */
@ -43,6 +45,8 @@ uint32_t systick_config(uint32_t ticks)
void rt_hw_board_init()
{
set_sys_clock_khz(PLL_SYS_KHZ, true);
rt_system_heap_init(HEAP_BEGIN, HEAP_END);
alarm_pool_init_default();
@ -65,7 +69,7 @@ void rt_hw_board_init()
stdio_init_all();
rt_hw_uart_init();
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
#ifdef RT_USING_CONSOLE
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
}

0
bsp/raspberry-pico/drivers/board.h → bsp/raspberry-pico/board/board.h
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12
bsp/raspberry-pico/board/ports/SConscript Normal file
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@ -0,0 +1,12 @@
import os
from building import *
objs = []
cwd = GetCurrentDir()
list = os.listdir(cwd)
for item in list:
if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
objs = objs + SConscript(os.path.join(item, 'SConscript'))
Return('objs')

10
bsp/raspberry-pico/board/ports/lcd/SConscript Normal file
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@ -0,0 +1,10 @@
from building import *
import os
cwd = GetCurrentDir()
src = ['drv_lcd.c']
CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
Return('group')

444
bsp/raspberry-pico/board/ports/lcd/drv_lcd.c Normal file
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@ -0,0 +1,444 @@
#include <drv_lcd.h>
#include <stdlib.h>
#define SPI_PORT spi1
uint slice_num;
LCD_ATTRIBUTES LCD;
/******************************************************************************
function : Hardware reset
parameter:
******************************************************************************/
static void LCD_Reset(void)
{
DEV_Digital_Write(LCD_RST_PIN, 1);
rt_thread_mdelay(100);
DEV_Digital_Write(LCD_RST_PIN, 0);
rt_thread_mdelay(100);
DEV_Digital_Write(LCD_RST_PIN, 1);
rt_thread_mdelay(100);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void LCD_SendCommand(UBYTE Reg)
{
DEV_Digital_Write(LCD_DC_PIN, 0);
DEV_Digital_Write(LCD_CS_PIN, 0);
DEV_SPI_WriteByte(Reg);
DEV_Digital_Write(LCD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void LCD_SendData_8Bit(UBYTE Data)
{
DEV_Digital_Write(LCD_DC_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 0);
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(LCD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void LCD_SendData_16Bit(UWORD Data)
{
DEV_Digital_Write(LCD_DC_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 0);
DEV_SPI_WriteByte((Data >> 8) & 0xFF);
DEV_SPI_WriteByte(Data & 0xFF);
DEV_Digital_Write(LCD_CS_PIN, 1);
}
/******************************************************************************
function : Initialize the lcd register
parameter:
******************************************************************************/
static void LCD_InitReg(void)
{
LCD_SendCommand(0x3A);
LCD_SendData_8Bit(0x05);
LCD_SendCommand(0xB2);
LCD_SendData_8Bit(0x0C);
LCD_SendData_8Bit(0x0C);
LCD_SendData_8Bit(0x00);
LCD_SendData_8Bit(0x33);
LCD_SendData_8Bit(0x33);
LCD_SendCommand(0xB7); // Gate Control
LCD_SendData_8Bit(0x35);
LCD_SendCommand(0xBB); // VCOM Setting
LCD_SendData_8Bit(0x19);
LCD_SendCommand(0xC0); // LCM Control
LCD_SendData_8Bit(0x2C);
LCD_SendCommand(0xC2); // VDV and VRH Command Enable
LCD_SendData_8Bit(0x01);
LCD_SendCommand(0xC3); // VRH Set
LCD_SendData_8Bit(0x12);
LCD_SendCommand(0xC4); // VDV Set
LCD_SendData_8Bit(0x20);
LCD_SendCommand(0xC6); // Frame Rate Control in Normal Mode
LCD_SendData_8Bit(0x01); // 110hz
LCD_SendCommand(0xD0); // Power Control 1
LCD_SendData_8Bit(0xA4);
LCD_SendData_8Bit(0xA1);
LCD_SendCommand(0xE0); // Positive Voltage Gamma Control
LCD_SendData_8Bit(0xD0);
LCD_SendData_8Bit(0x04);
LCD_SendData_8Bit(0x0D);
LCD_SendData_8Bit(0x11);
LCD_SendData_8Bit(0x13);
LCD_SendData_8Bit(0x2B);
LCD_SendData_8Bit(0x3F);
LCD_SendData_8Bit(0x54);
LCD_SendData_8Bit(0x4C);
LCD_SendData_8Bit(0x18);
LCD_SendData_8Bit(0x0D);
LCD_SendData_8Bit(0x0B);
LCD_SendData_8Bit(0x1F);
LCD_SendData_8Bit(0x23);
LCD_SendCommand(0xE1); // Negative Voltage Gamma Control
LCD_SendData_8Bit(0xD0);
LCD_SendData_8Bit(0x04);
LCD_SendData_8Bit(0x0C);
LCD_SendData_8Bit(0x11);
LCD_SendData_8Bit(0x13);
LCD_SendData_8Bit(0x2C);
LCD_SendData_8Bit(0x3F);
LCD_SendData_8Bit(0x44);
LCD_SendData_8Bit(0x51);
LCD_SendData_8Bit(0x2F);
LCD_SendData_8Bit(0x1F);
LCD_SendData_8Bit(0x1F);
LCD_SendData_8Bit(0x20);
LCD_SendData_8Bit(0x23);
LCD_SendCommand(0x21); // Display Inversion On
LCD_SendCommand(0x11); // Sleep Out
LCD_SendCommand(0x29); // Display On
}
/********************************************************************************
function: Set the resolution and scanning method of the screen
parameter:
Scan_dir: Scan direction
********************************************************************************/
static void LCD_SetAttributes(UBYTE Scan_dir)
{
// Get the screen scan direction
LCD.SCAN_DIR = Scan_dir;
UBYTE MemoryAccessReg = 0x00;
// Get GRAM and LCD width and height
if (Scan_dir == HORIZONTAL)
{
LCD.HEIGHT = LCD_WIDTH;
LCD.WIDTH = LCD_HEIGHT;
MemoryAccessReg = 0X70;
}
else
{
LCD.HEIGHT = LCD_HEIGHT;
LCD.WIDTH = LCD_WIDTH;
MemoryAccessReg = 0X00;
}
// Set the read / write scan direction of the frame memory
LCD_SendCommand(0x36); // MX, MY, RGB mode
LCD_SendData_8Bit(MemoryAccessReg); // 0x08 set RGB
}
/********************************************************************************
function : Initialize the lcd
parameter:
********************************************************************************/
void LCD_Init(UBYTE Scan_dir)
{
DEV_SET_PWM(50);
// Hardware reset
LCD_Reset();
// Set the resolution and scanning method of the screen
LCD_SetAttributes(Scan_dir);
// Set the initialization register
LCD_InitReg();
}
void LCD_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
{
// set the X coordinates
LCD_SendCommand(0x2A);
LCD_SendData_8Bit((Xstart >> 8) & 0xFF);
LCD_SendData_8Bit(Xstart & 0xFF);
LCD_SendData_8Bit(((Xend - 1) >> 8) & 0xFF);
LCD_SendData_8Bit((Xend - 1) & 0xFF);
// set the Y coordinates
LCD_SendCommand(0x2B);
LCD_SendData_8Bit((Ystart >> 8) & 0xFF);
LCD_SendData_8Bit(Ystart & 0xFF);
LCD_SendData_8Bit(((Yend - 1) >> 8) & 0xFF);
LCD_SendData_8Bit((Yend - 1) & 0xFF);
LCD_SendCommand(0X2C);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void LCD_Clear(UWORD Color)
{
UWORD j, i;
UWORD Image[LCD.WIDTH * LCD.HEIGHT];
Color = ((Color << 8) & 0xff00) | (Color >> 8);
for (j = 0; j < LCD.HEIGHT * LCD.WIDTH; j++)
{
Image[j] = Color;
}
LCD_SetWindows(0, 0, LCD.WIDTH, LCD.HEIGHT);
DEV_Digital_Write(LCD_DC_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 0);
for (j = 0; j < LCD.HEIGHT; j++)
{
DEV_SPI_Write_nByte((uint8_t *) &Image[j * LCD.WIDTH], LCD.WIDTH * 2);
}
DEV_Digital_Write(LCD_CS_PIN, 1);
}
/******************************************************************************
function : Sends the image buffer in RAM to displays
parameter:
******************************************************************************/
void LCD_Display(UWORD *Image)
{
UWORD j;
LCD_SetWindows(0, 0, LCD.WIDTH, LCD.HEIGHT);
DEV_Digital_Write(LCD_DC_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 0);
for (j = 0; j < LCD.HEIGHT; j++)
{
DEV_SPI_Write_nByte((uint8_t *) &Image[j * LCD.WIDTH], LCD.WIDTH * 2);
}
DEV_Digital_Write(LCD_CS_PIN, 1);
LCD_SendCommand(0x29);
}
/******************************************************************************
function : Sends the image buffer in RAM to displays
parameter:
Xstart : X direction Start coordinates
Ystart : Y direction Start coordinates
Xend : X direction end coordinates
Yend : Y direction end coordinates
Image : Written content
******************************************************************************/
void LCD_DisplayWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend, UWORD *Image)
{
// display
UDOUBLE Addr = 0;
UWORD j;
LCD_SetWindows(Xstart, Ystart, Xend, Yend);
DEV_Digital_Write(LCD_DC_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 0);
for (j = Ystart; j < Yend - 1; j++)
{
Addr = Xstart + j * LCD.WIDTH;
DEV_SPI_Write_nByte((uint8_t *) &Image[Addr], (Xend - Xstart) * 2);
}
DEV_Digital_Write(LCD_CS_PIN, 1);
}
/******************************************************************************
function : Change the color of a point
parameter:
X : X coordinates
Y : Y coordinates
Color : Color
******************************************************************************/
void LCD_DisplayPoint(UWORD X, UWORD Y, UWORD Color)
{
LCD_SetWindows(X, Y, X, Y);
LCD_SendData_16Bit(Color);
}
void Handler_LCD(int signo)
{
// System Exit
rt_kprintf("\r\nHandler:Program stop\r\n");
DEV_Module_Exit();
exit(0);
}
/**
* GPIO read and write
**/
void DEV_Digital_Write(UWORD Pin, UBYTE Value)
{
gpio_put(Pin, Value);
}
UBYTE DEV_Digital_Read(UWORD Pin)
{
return gpio_get(Pin);
}
/**
* GPIO Mode
**/
void DEV_GPIO_Mode(UWORD Pin, UWORD Mode)
{
gpio_init(Pin);
if (Mode == 0 || Mode == GPIO_IN)
{
gpio_set_dir(Pin, GPIO_IN);
}
else
{
gpio_set_dir(Pin, GPIO_OUT);
}
}
/**
* SPI
**/
void DEV_SPI_WriteByte(UBYTE Value)
{
spi_write_blocking(SPI_PORT, &Value, 1);
}
void DEV_SPI_Write_nByte(UBYTE pData[], UDOUBLE Len)
{
spi_write_blocking(SPI_PORT, pData, Len);
}
void DEV_GPIO_Init(void)
{
DEV_GPIO_Mode(LCD_RST_PIN, 1);
DEV_GPIO_Mode(LCD_DC_PIN, 1);
DEV_GPIO_Mode(LCD_CS_PIN, 1);
DEV_GPIO_Mode(LCD_BL_PIN, 1);
DEV_Digital_Write(LCD_CS_PIN, 1);
DEV_Digital_Write(LCD_DC_PIN, 0);
DEV_Digital_Write(LCD_BL_PIN, 1);
}
/******************************************************************************
function: Module Initialize, the library and initialize the pins, SPI protocol
parameter:
Info:
******************************************************************************/
UBYTE DEV_Module_Init(void)
{
// SPI Config
spi_init(SPI_PORT, 80000 * 1000);
gpio_set_function(LCD_CLK_PIN, GPIO_FUNC_SPI);
gpio_set_function(LCD_MOSI_PIN, GPIO_FUNC_SPI);
// GPIO Config
DEV_GPIO_Init();
// PWM Config
gpio_set_function(LCD_BL_PIN, GPIO_FUNC_PWM);
slice_num = pwm_gpio_to_slice_num(LCD_BL_PIN);
pwm_set_wrap(slice_num, 100);
pwm_set_chan_level(slice_num, PWM_CHAN_B, 1);
pwm_set_clkdiv(slice_num, 50);
pwm_set_enabled(slice_num, true);
rt_kprintf("DEV_Module_Init OK \r\n");
return 0;
}
void DEV_SET_PWM(UBYTE Value)
{
if (Value < 0 || Value > 100)
{
rt_kprintf("DEV_SET_PWM Error \r\n");
}
else
{
pwm_set_chan_level(slice_num, PWM_CHAN_B, Value);
}
}
UBYTE SPI_Init(void)
{
DEV_Module_Init();
return 0;
}
bool _swapBytes;
UDOUBLE dma_tx_channel;
dma_channel_config dma_tx_config;
/***************************************************************************************
** Function name: dmaWait
** Description: Wait until DMA is over (blocking!)
***************************************************************************************/
void dmaWait(void)
{
while (dma_channel_is_busy(dma_tx_channel))
;
// For SPI must also wait for FIFO to flush and reset format
while (spi_get_hw(SPI_PORT)->sr & SPI_SSPSR_BSY_BITS)
{
};
spi_set_format(SPI_PORT, 16, (spi_cpol_t) 0, (spi_cpha_t) 0, SPI_MSB_FIRST);
}
/***************************************************************************************
** Function name: pushPixelsDMA
** Description: Push pixels to TFT
***************************************************************************************/
void pushPixelsDMA(UWORD* image, UDOUBLE len)
{
if ((len == 0))
return;
dmaWait();
channel_config_set_bswap(&dma_tx_config, !_swapBytes);
dma_channel_configure(dma_tx_channel, &dma_tx_config, &spi_get_hw(SPI_PORT)->dr, (UWORD*) image, len, true);
}
bool initDMA(bool ctrl_cs)
{
dma_tx_channel = dma_claim_unused_channel(true);
dma_tx_config = dma_channel_get_default_config(dma_tx_channel);
channel_config_set_transfer_data_size(&dma_tx_config, DMA_SIZE_16);
channel_config_set_dreq(&dma_tx_config, spi_get_index(SPI_PORT) ? DREQ_SPI1_TX : DREQ_SPI0_TX);
return true;
}

75
bsp/raspberry-pico/board/ports/lcd/drv_lcd.h Normal file
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@ -0,0 +1,75 @@
#ifndef __DRV_LCD_H
#define __DRV_LCD_H
#include <stdint.h>
#include <rtdevice.h>
#include "pico/stdlib.h"
#include "hardware/spi.h"
#include "hardware/i2c.h"
#include "hardware/pwm.h"
#include "hardware/dma.h"
#define LCD_HEIGHT 240
#define LCD_WIDTH 240
#define HORIZONTAL 0
#define VERTICAL 1
/**
* data
**/
#define UBYTE uint8_t
#define UWORD uint16_t
#define UDOUBLE uint32_t
/**
* GPIOI config
**/
#define LCD_RST_PIN 12
#define LCD_DC_PIN 8
#define LCD_BL_PIN 13
#define LCD_CS_PIN 9
#define LCD_CLK_PIN 10
#define LCD_MOSI_PIN 11
typedef struct
{
UWORD WIDTH;UWORD HEIGHT;UBYTE SCAN_DIR;
} LCD_ATTRIBUTES;
extern LCD_ATTRIBUTES LCD;
/*------------------------------------------------------------------------------------------------------*/
void DEV_Digital_Write(UWORD Pin, UBYTE Value);
UBYTE DEV_Digital_Read(UWORD Pin);
void DEV_GPIO_Mode(UWORD Pin, UWORD Mode);
void DEV_KEY_Config(UWORD Pin);
void DEV_Digital_Write(UWORD Pin, UBYTE Value);
UBYTE DEV_Digital_Read(UWORD Pin);
void DEV_SPI_WriteByte(UBYTE Value);
void DEV_SPI_Write_nByte(UBYTE *pData, UDOUBLE Len);
void DEV_SET_PWM(UBYTE Value);
UBYTE SPI_Init(void);
UBYTE DEV_Module_Init(void);
void DEV_Module_Exit(void);
/********************************************************************************
function:
Macro definition variable name
********************************************************************************/
bool initDMA(bool ctrl_cs);
void LCD_Init(UBYTE Scan_dir);
void LCD_Clear(UWORD Color);
void LCD_Display(UWORD *Image);
void LCD_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend);
void LCD_DisplayWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend, UWORD *Image);
void pushPixelsDMA(UWORD* image, UDOUBLE len);
void LCD_DisplayPoint(UWORD X, UWORD Y, UWORD Color);
void Handler_LCD(int signo);
#endif

23
bsp/raspberry-pico/libraries/Kconfig Normal file
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@ -0,0 +1,23 @@
menu "Hardware Drivers Config"
config SOC_RP2040
bool
select SOC_SERIES_RP2040_PICO
select RT_USING_COMPONENTS_INIT
default y
menu "Onboard Peripheral Drivers"
config BSP_USING_LVGL
bool "Enable LVGL for LCD"
select PKG_USING_LVGL
select BSP_USING_SPI_LCD
select PKG_USING_LV_MUSIC_DEMO
default n
endmenu
endmenu

7
bsp/raspberry-pico/libraries/SConscript
View File

@ -13,6 +13,9 @@ pico-sdk/src/rp2_common/hardware_claim/claim.c
pico-sdk/src/rp2_common/hardware_sync/sync.c
pico-sdk/src/rp2_common/pico_platform/platform.c
pico-sdk/src/rp2_common/hardware_uart/uart.c
pico-sdk/src/rp2_common/hardware_spi/spi.c
pico-sdk/src/rp2_common/hardware_dma/dma.c
pico-sdk/src/rp2_common/hardware_i2c/i2c.c
pico-sdk/src/common/pico_time/time.c
pico-sdk/src/common/pico_time/timeout_helper.c
pico-sdk/src/rp2_common/hardware_timer/timer.c
@ -67,6 +70,10 @@ path = [
cwd + '/pico-sdk/src/rp2_common/hardware_claim/include',
cwd + '/pico-sdk/src/rp2_common/hardware_sync/include',
cwd + '/pico-sdk/src/rp2_common/hardware_uart/include',
cwd + '/pico-sdk/src/rp2_common/hardware_dma/include',
cwd + '/pico-sdk/src/rp2_common/hardware_spi/include',
cwd + '/pico-sdk/src/rp2_common/hardware_i2c/include',
cwd + '/pico-sdk/src/rp2_common/hardware_pwm/include',
cwd + '/pico-sdk/src/rp2_common/hardware_divider/include',
cwd + '/pico-sdk/src/common/pico_time/include',
cwd + '/pico-sdk/src/rp2_common/hardware_timer/include',