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xtensa/esp32s3: LCD controller driver

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This commit is contained in:
Dong Heng 2023-08-25 19:32:02 +08:00 committed by Xiang Xiao
parent 3a08c0a1e6
commit 6ac28d5526
19 changed files with 3985 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

157
arch/xtensa/src/esp32s3/Kconfig
View File

@ -715,6 +715,16 @@ config ESP32S3_WCL
select ARCH_USE_MPU
select XTENSA_HAVE_GENERAL_EXCEPTION_HOOKS if BUILD_PROTECTED
config ESP32S3_LCD
bool "LCD"
default n
select DRIVERS_VIDEO
select VIDEO_FB
select FB_UPDATE
help
---help---
LCD controller that outputs parallel data and supports RGB interface.
endmenu # ESP32-S3 Peripheral Selection
menuconfig ESP32S3_WIFI_BT_COEXIST
@ -1713,6 +1723,153 @@ config ESP32S3_OTG_DEBUG_REGISTER
endmenu # USB OTG Configuration
menu "LCD Controller Configuration"
depends on ESP32S3_LCD
menu "LCD Pin Configuration"
config ESP32S3_LCD_PCLK_PIN
int "LCD Pixel Clock Signal Pin"
default 9
config ESP32S3_LCD_VSYNC_PIN
int "LCD Vertical Synchronization Pin"
default 3
config ESP32S3_LCD_HSYNC_PIN
int "LCD Horizontal Synchronization Pin"
default 46
config ESP32S3_LCD_HE_PIN
int "LCD Horizontal Enable Pin"
default 17
config ESP32S3_LCD_DATA0_PIN
int "LCD Parallel Output Data Bit-0 Pin"
default 10
config ESP32S3_LCD_DATA1_PIN
int "LCD Parallel Output Data Bit-1 Pin"
default 11
config ESP32S3_LCD_DATA2_PIN
int "LCD Parallel Output Data Bit-2 Pin"
default 12
config ESP32S3_LCD_DATA3_PIN
int "LCD Parallel Output Data Bit-3 Pin"
default 13
config ESP32S3_LCD_DATA4_PIN
int "LCD Parallel Output Data Bit-4 Pin"
default 14
config ESP32S3_LCD_DATA5_PIN
int "LCD Parallel Output Data Bit-5 Pin"
default 21
config ESP32S3_LCD_DATA6_PIN
int "LCD Parallel Output Data Bit-6 Pin"
default 47
config ESP32S3_LCD_DATA7_PIN
int "LCD Parallel Output Data Bit-7 Pin"
default 48
config ESP32S3_LCD_DATA8_PIN
int "LCD Parallel Output Data Bit-8 Pin"
default 45
config ESP32S3_LCD_DATA9_PIN
int "LCD Parallel Output Data Bit-9 Pin"
default 38
config ESP32S3_LCD_DATA10_PIN
int "LCD Parallel Output Data Bit-10 Pin"
default 39
config ESP32S3_LCD_DATA11_PIN
int "LCD Parallel Output Data Bit-11 Pin"
default 40
config ESP32S3_LCD_DATA12_PIN
int "LCD Parallel Output Data Bit-12 Pin"
default 41
config ESP32S3_LCD_DATA13_PIN
int "LCD Parallel Output Data Bit-13 Pin"
default 42
config ESP32S3_LCD_DATA14_PIN
int "LCD Parallel Output Data Bit-14 Pin"
default 2
config ESP32S3_LCD_DATA15_PIN
int "LCD Parallel Output Data Bit-15 Pin"
default 1
endmenu
menu "LCD Display Configuration"
depends on ESP32S3_LCD
config ESP32S3_LCD_VRES
int "LCD Vertical Resolution"
default 480
config ESP32S3_LCD_HRES
int "LCD Horizontal Resolution"
default 480
config ESP32S3_LCD_CLOCK_MHZ
int "LCD Pixel Clock Frequency in MHz"
default 2
config ESP32S3_LCD_VFRONTPORCH
int "LCD Vertical Front Porch"
default 40
config ESP32S3_LCD_VBACKPORCH
int "LCD Vertical Back Porch"
default 20
config ESP32S3_LCD_VPULSEWIDTH
int "LCD Vertical Pulse Width"
default 13
config ESP32S3_LCD_HFRONTPORCH
int "LCD Horizontal Front Porch"
default 40
config ESP32S3_LCD_HBACKPORCH
int "LCD Horizontal Back Porch"
default 20
config ESP32S3_LCD_HPULSEWIDTH
int "LCD Horizontal Pulse Width"
default 15
config ESP32S3_LCD_BUFFER_LAYERS
int "LCD Buffer Layer Number"
default 1
choice
prompt "LCD Data Width"
default ESP32S3_LCD_DATA_16BIT
config ESP32S3_LCD_DATA_16BIT
bool "16-bit"
endchoice # LCD Data Width
endmenu
config ESP32S3_LCD_REGDEBUG
bool "LCD Debug Registers"
default n
endmenu
menu "Application Image Configuration"
choice

4
arch/xtensa/src/esp32s3/Make.defs
View File

@ -158,6 +158,10 @@ ifeq ($(CONFIG_RTC_DRIVER),y)
CHIP_CSRCS += esp32s3_rtc_lowerhalf.c
endif
ifeq ($(CONFIG_ESP32S3_LCD),y)
CHIP_CSRCS += esp32s3_lcd.c
endif
#############################################################################
# Espressif HAL for 3rd Party Platforms
#############################################################################

41
arch/xtensa/src/esp32s3/esp32s3_dma.c
View File

@ -391,6 +391,47 @@ void esp32s3_dma_wait_idle(int chan, bool tx)
while ((waitbits & regval) == 0);
}
/****************************************************************************
* Name: esp32s3_dma_set_ext_memblk
*
* Description:
* Configure DMA external memory block size.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* type - block size type
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_set_ext_memblk(int chan, bool tx,
enum esp32s3_dma_ext_memblk_e type)
{
uint32_t val;
if (tx)
{
val = ((uint32_t)type << DMA_OUT_EXT_MEM_BK_SIZE_CH0_S);
CLR_GDMA_CH_BITS(DMA_OUT_CONF1_CH0_REG,
chan,
DMA_OUT_EXT_MEM_BK_SIZE_CH0_M);
SET_GDMA_CH_BITS(DMA_OUT_CONF1_CH0_REG, chan, val);
}
else
{
val = ((uint32_t)type << DMA_IN_EXT_MEM_BK_SIZE_CH0_S);
CLR_GDMA_CH_BITS(DMA_IN_CONF1_CH0_REG,
chan,
DMA_IN_EXT_MEM_BK_SIZE_CH0_M);
SET_GDMA_CH_BITS(DMA_IN_CONF1_CH0_REG, chan, val);
}
}
/****************************************************************************
* Name: esp32s3_dma_init
*

26
arch/xtensa/src/esp32s3/esp32s3_dma.h
View File

@ -104,6 +104,13 @@ enum esp32s3_dma_periph_e
ESP32S3_DMA_PERIPH_NUM,
};
enum esp32s3_dma_ext_memblk_e
{
ESP32S3_DMA_EXT_MEMBLK_16B = 0,
ESP32S3_DMA_EXT_MEMBLK_32B = 1,
ESP32S3_DMA_EXT_MEMBLK_64B = 2
};
/* DMA descriptor type */
struct esp32s3_dmadesc_s
@ -230,6 +237,25 @@ void esp32s3_dma_disable(int chan, bool tx);
void esp32s3_dma_wait_idle(int chan, bool tx);
/****************************************************************************
* Name: esp32s3_dma_set_ext_memblk
*
* Description:
* Configure DMA external memory block size.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* type - block size type
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_set_ext_memblk(int chan, bool tx,
enum esp32s3_dma_ext_memblk_e type);
/****************************************************************************
* Name: esp32s3_dma_init
*

33
arch/xtensa/src/esp32s3/esp32s3_idle.c
View File

@ -63,21 +63,32 @@
void up_idle(void)
{
#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
/* If the system is idle and there are no timer interrupts, then process
* "fake" timer interrupts. Hopefully, something will wake up.
*/
/* Report loop explanation here */
nxsched_process_timer();
#ifdef CONFIG_ESP32S3_SPEED_UP_ISR
for (; ; )
{
#endif
#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
/* If the system is idle and there are no timer interrupts, then
* process "fake" timer interrupts. Hopefully, something will wake up.
*/
nxsched_process_timer();
#else
/* This would be an appropriate place to put some MCU-specific logic to
* sleep in a reduced power mode until an interrupt occurs to save power
*/
/* This would be an appropriate place to put some MCU-specific logic
* to sleep in a reduced power mode until an interrupt occurs to save
* power.
*/
#if XCHAL_HAVE_INTERRUPTS
__asm__ __volatile__ ("waiti 0");
#endif
# if XCHAL_HAVE_INTERRUPTS
__asm__ __volatile__ ("waiti 0");
# endif
#endif /* CONFIG_SUPPRESS_INTERRUPTS || CONFIG_SUPPRESS_TIMER_INTS */
#ifdef CONFIG_ESP32S3_SPEED_UP_ISR
}
#endif
}

1010
arch/xtensa/src/esp32s3/esp32s3_lcd.c Normal file
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File diff suppressed because it is too large Load Diff

1349
arch/xtensa/src/esp32s3/hardware/esp32s3_lcd_cam.h Normal file
View File

File diff suppressed because it is too large Load Diff

11
boards/xtensa/esp32s3/common/Kconfig
View File

@ -11,3 +11,14 @@ config ESP32S3_MERGE_BINS
device.
This is only useful when the path to binary files (e.g. bootloader)
is provided via the ESPTOOL_BINDIR variable.
config ESP32S3_SPEED_UP_ISR
bool "Speed up ISR"
default n
---help---
Move ESP32-S3's interrupt, OS timer tick, and scheduler functions
from Flash to IRAM. This can speed up interrupt service processing
and also reduce reading data from Flash.
If you run applications that need continue reading data from PSRAM,
such as LCD display, please select this option.

2
boards/xtensa/esp32s3/common/scripts/esp32s3_aliases.ld
View File

@ -27,3 +27,5 @@
api_vhci_host_send_packet = API_vhci_host_send_packet;
api_vhci_host_register_callback = API_vhci_host_register_callback;
#endif
PROVIDE( cache_writeback_addr = Cache_WriteBack_Addr );

25
boards/xtensa/esp32s3/common/scripts/legacy_sections.ld
View File

@ -88,6 +88,31 @@ SECTIONS
*libsched.a:sched_thistask.*(.literal .text .literal.* .text.*)
*libsched.a:spinlock.*(.literal .text .literal.* .text.*)
#ifdef CONFIG_ESP32S3_SPEED_UP_ISR
*libarch.a:xtensa_irqdispatch.*(.literal.xtensa_irq_dispatch .text.xtensa_irq_dispatch)
*libarch.a:xtensa_switchcontext.*(.literal.up_switch_context .text.up_switch_context)
*libarch.a:xtensa_modifyreg32.*(.literal.modifyreg32 .text.modifyreg32)
*libarch.a:esp32s3_irq.*(.literal.xtensa_int_decode .text.xtensa_int_decode)
*libarch.a:esp32s3_timerisr.*(.literal.systimer_isr .text.systimer_isr)
*libarch.a:esp32s3_idle.*(.literal.up_idle .text.up_idle)
*libarch.a:esp32s3_dma.*(.literal.esp32s3_dma_load .text.esp32s3_dma_load \
.literal.esp32s3_dma_enable .text.esp32s3_dma_enable)
*libsched.a:sched_processtimer.*(.literal.nxsched_process_timer .text.nxsched_process_timer)
*libsched.a:clock_initialize.*(.literal.clock_timer .text.clock_timer)
*libsched.a:wd_start.*(.literal.wd_timer .text.wd_timer)
*libsched.a:sched_roundrobin.*(.literal.nxsched_process_roundrobin .text.nxsched_process_roundrobin)
*libsched.a:sched_reprioritizertr.*(.literal.nxsched_reprioritize_rtr .text.nxsched_reprioritize_rtr)
*libsched.a:sched_removereadytorun.*(.literal.nxsched_remove_readytorun .text.nxsched_remove_readytorun)
*libsched.a:sched_addreadytorun.*(.literal.nxsched_add_readytorun .text.nxsched_add_readytorun)
*libsched.a:sched_addprioritized.*(.literal.nxsched_add_prioritized .text.nxsched_add_prioritized)
*libsched.a:sched_mergepending.*(.literal.nxsched_merge_pending .text.nxsched_merge_pending)
*libsched.a:sched_resumescheduler.*(.literal.nxsched_resume_scheduler .text.nxsched_resume_scheduler)
*libc.a:bin/sq_remfirst.*(.literal.sq_remfirst .text.sq_remfirst)
#endif
*(.wifirxiram .wifirxiram.*)
*(.wifi0iram .wifi0iram.*)
*(.wifiorslpiram .wifiorslpiram.*)

26
boards/xtensa/esp32s3/esp32s3-lcd-ev/Kconfig
View File

@ -49,4 +49,30 @@ config ESP32S3_SPIFLASH_LITTLEFS
endchoice # ESP32S3_SPIFLASH_FS
config ESP32S3_BOARD_I2C
bool
default y if ESP32S3_I2C0 || ESP32S3_I2C1
config ESP32S3_BOARD_IOEXPANDER
bool "Enable Board IO Expander"
default n
depends on ESP32S3_BOARD_I2C
---help---
Enable board IO expander support, IC is TC9554.
config ESP32S3_BOARD_LCD
bool "Enable Board LCD"
default n
depends on ESP32S3_LCD
select ESP32S3_BOARD_IOEXPANDER
---help---
Enable board LCD support, IC is GC9503CV.
config ESP32S3_BOARD_TOUCHPAD
bool "Enable Board Touchpad"
default n
depends on ESP32S3_BOARD_I2C
---help---
Enable board touchpad support, IC is FT5X06.
endif # ARCH_BOARD_ESP32S3_LCD_EV

63
boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lcd/defconfig Normal file
View File

@ -0,0 +1,63 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_LEDS is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32s3-lcd-ev"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32S3_LCD_EV=y
CONFIG_ARCH_CHIP="esp32s3"
CONFIG_ARCH_CHIP_ESP32S3=y
CONFIG_ARCH_CHIP_ESP32S3WROOM2=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DEBUG_ASSERTIONS=y
CONFIG_DEBUG_ASSERTIONS_EXPRESSION=y
CONFIG_DEBUG_FEATURES=y
CONFIG_ESP32S3_BOARD_LCD=y
CONFIG_ESP32S3_DMA=y
CONFIG_ESP32S3_I2C0=y
CONFIG_ESP32S3_I2C0_SCLPIN=18
CONFIG_ESP32S3_I2C0_SDAPIN=8
CONFIG_ESP32S3_LCD=y
CONFIG_ESP32S3_LCD_CLOCK_MHZ=3
CONFIG_ESP32S3_SPEED_UP_ISR=y
CONFIG_ESP32S3_SPIRAM=y
CONFIG_ESP32S3_SPIRAM_MODE_OCT=y
CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
CONFIG_ESP32S3_UART0=y
CONFIG_EXAMPLES_FB=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INIT_STACKSIZE=3072
CONFIG_INTELHEX_BINARY=y
CONFIG_MM_REGIONS=2
CONFIG_NDEBUG=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSLOG_BUFFER=y
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y

78
boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lvgl/defconfig Normal file
View File

@ -0,0 +1,78 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_ARCH_LEDS is not set
# CONFIG_NSH_ARGCAT is not set
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
CONFIG_ARCH="xtensa"
CONFIG_ARCH_BOARD="esp32s3-lcd-ev"
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_ARCH_BOARD_ESP32S3_LCD_EV=y
CONFIG_ARCH_CHIP="esp32s3"
CONFIG_ARCH_CHIP_ESP32S3=y
CONFIG_ARCH_CHIP_ESP32S3WROOM2=y
CONFIG_ARCH_INTERRUPTSTACK=2048
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_XTENSA=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DEBUG_ASSERTIONS=y
CONFIG_DEBUG_ASSERTIONS_EXPRESSION=y
CONFIG_DEBUG_FEATURES=y
CONFIG_ESP32S3_BOARD_LCD=y
CONFIG_ESP32S3_BOARD_TOUCHPAD=y
CONFIG_ESP32S3_DMA=y
CONFIG_ESP32S3_I2C0=y
CONFIG_ESP32S3_I2C0_SCLPIN=18
CONFIG_ESP32S3_I2C0_SDAPIN=8
CONFIG_ESP32S3_LCD=y
CONFIG_ESP32S3_LCD_CLOCK_MHZ=3
CONFIG_ESP32S3_SPEED_UP_ISR=y
CONFIG_ESP32S3_SPIRAM=y
CONFIG_ESP32S3_SPIRAM_MODE_OCT=y
CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
CONFIG_ESP32S3_UART0=y
CONFIG_EXAMPLES_LVGLDEMO=y
CONFIG_FS_PROCFS=y
CONFIG_FT5X06_POLLMODE=y
CONFIG_FT5X06_SINGLEPOINT=y
CONFIG_GRAPHICS_LVGL=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_IDLETHREAD_STACKSIZE=3072
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INIT_STACKSIZE=3072
CONFIG_INPUT=y
CONFIG_INPUT_FT5X06=y
CONFIG_INTELHEX_BINARY=y
CONFIG_LV_FONT_MONTSERRAT_20=y
CONFIG_LV_MEMCPY_MEMSET_STD=y
CONFIG_LV_MEM_CUSTOM=y
CONFIG_LV_PORT_USE_FBDEV=y
CONFIG_LV_PORT_USE_TOUCHPAD=y
CONFIG_LV_TICK_CUSTOM=y
CONFIG_LV_TICK_CUSTOM_INCLUDE="port/lv_port_tick.h"
CONFIG_LV_USE_DEMO_WIDGETS=y
CONFIG_MM_REGIONS=2
CONFIG_NDEBUG=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=114688
CONFIG_RAM_START=0x20000000
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_LPWORK=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_SYSLOG_BUFFER=y
CONFIG_SYSTEM_NSH=y
CONFIG_UART0_SERIAL_CONSOLE=y

12
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/Make.defs
View File

@ -41,6 +41,18 @@ ifeq ($(CONFIG_WS2812),y)
CSRCS += esp32s3_ws2812.c
endif
ifeq ($(CONFIG_ESP32S3_BOARD_IOEXPANDER),y)
CSRCS += esp32s3_ioexpander.c
endif
ifeq ($(CONFIG_ESP32S3_BOARD_LCD),y)
CSRCS += esp32s3_lcd.c
endif
ifeq ($(CONFIG_ESP32S3_BOARD_TOUCHPAD),y)
CSRCS += esp32s3_touchscreen.c
endif
DEPPATH += --dep-path board
VPATH += :board
CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board

98
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3-lcd-ev.h
View File

@ -39,6 +39,10 @@
#define BUTTON_BOOT 0
/* I2C Port */
#define I2C_PORT 0
/****************************************************************************
* Public Types
****************************************************************************/
@ -94,5 +98,99 @@ int board_spiflash_init(void);
int board_ws2812_initialize(int devno, int spino, uint16_t nleds);
#endif
/****************************************************************************
* Name: board_lcd_initialize
*
* Description:
* Initialize LCD.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#if defined(CONFIG_ESP32S3_LCD) && defined(CONFIG_ESP32S3_BOARD_IOEXPANDER)
int board_lcd_initialize(void);
#endif
/****************************************************************************
* Name: board_touchscreen_initialize
*
* Description:
* Initialize touchpad.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ESP32S3_BOARD_TOUCHPAD
int board_touchscreen_initialize(void);
#endif
/****************************************************************************
* Name: board_ioexpander_set_pin
*
* Description:
* Configure pin mode through the IO expander.
*
* Input Parameters:
* input_mask - pin bit mask which need to be set input, if set pin 0 to
* to be input, please make: input_mask = (1 << 0)
* output_mask - pin bit mask which need to be set output, if set pin 1 to
* to be input, please make: output_mask = (1 << 1)
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ESP32S3_BOARD_IOEXPANDER
int board_ioexpander_set_pin(uint8_t input_mask, uint8_t output_mask);
#endif
/****************************************************************************
* Name: board_ioexpander_output
*
* Description:
* Set pin output level through the IO expander.
*
* Input Parameters:
* pin - pin number
* level - true for high level, false for low.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ESP32S3_BOARD_IOEXPANDER
int board_ioexpander_output(int pin, bool level);
#endif
/****************************************************************************
* Name: board_ioexpander_initialize
*
* Description:
* Initialize IO expander driver.
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ESP32S3_BOARD_IOEXPANDER
int board_ioexpander_initialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_XTENSA_ESP32S3_ESP32S3_LCD_EV_SRC_ESP32S3_LCD_EV_H */

16
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_bringup.c
View File

@ -225,6 +225,22 @@ int esp32s3_bringup(void)
}
#endif
#ifdef CONFIG_ESP32S3_BOARD_LCD
ret = board_lcd_initialize();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize LCD driver\n");
}
#endif
#ifdef CONFIG_ESP32S3_BOARD_TOUCHPAD
ret = board_touchscreen_initialize();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize touchscreen driver\n");
}
#endif
/* If we got here then perhaps not all initialization was successful, but
* at least enough succeeded to bring-up NSH with perhaps reduced
* capabilities.

171
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_ioexpander.c Normal file
View File

@ -0,0 +1,171 @@
/****************************************************************************
* boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_ioexpander.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <unistd.h>
#include <stdlib.h>
#include <debug.h>
#include <assert.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include "esp32s3_i2c.h"
#include "esp32s3-lcd-ev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BOARD_IOEXPANDER_I2C_PORT I2C_PORT
#define BOARD_IOEXPANDER_I2C_ADDR (0x20)
#define BOARD_IOEXPANDER_I2C_CLOCK (400 * 1000)
#define BOARD_IOEXPANDER_SET_DIRECTION (3)
#define BOARD_IOEXPANDER_SET_OUTPUT (1)
/****************************************************************************
* Private Types
****************************************************************************/
struct ioexpander
{
struct i2c_master_s *i2c;
uint8_t output_val;
};
/****************************************************************************
* Private Data
****************************************************************************/
static const struct i2c_config_s g_i2c_config =
{
.frequency = BOARD_IOEXPANDER_I2C_CLOCK,
.address = BOARD_IOEXPANDER_I2C_ADDR,
.addrlen = 7
};
static struct ioexpander g_ioexpander;
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_ioexpander_set_pin
*
* Description:
* Configure pin mode through the IO expander.
*
* Input Parameters:
* input_mask - pin bit mask which need to be set input, if set pin 0 to
* to be input, please make: input_mask = (1 << 0)
* output_mask - pin bit mask which need to be set output, if set pin 1 to
* to be input, please make: output_mask = (1 << 1)
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_ioexpander_set_pin(uint8_t input_mask, uint8_t output_mask)
{
uint8_t data[2] =
{
BOARD_IOEXPANDER_SET_DIRECTION, 0
};
if (input_mask & output_mask)
{
return -EINVAL;
}
data[1] |= input_mask;
data[1] &= ~output_mask;
return i2c_write(g_ioexpander.i2c, &g_i2c_config, data, 2);
}
/****************************************************************************
* Name: board_ioexpander_output
*
* Description:
* Set pin output level through the IO expander.
*
* Input Parameters:
* pin - pin number
* level - true for high level, false for low.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_ioexpander_output(int pin, bool level)
{
uint8_t data[2] =
{
BOARD_IOEXPANDER_SET_OUTPUT, 0
};
DEBUGASSERT(pin < 8);
if (level)
{
g_ioexpander.output_val |= 1 << pin;
}
else
{
g_ioexpander.output_val &= ~(1 << pin);
}
data[1] = g_ioexpander.output_val;
return i2c_write(g_ioexpander.i2c, &g_i2c_config, data, 2);
}
/****************************************************************************
* Name: board_ioexpander_initialize
*
* Description:
* Initialize IO expander driver.
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_ioexpander_initialize(void)
{
g_ioexpander.i2c = esp32s3_i2cbus_initialize(BOARD_IOEXPANDER_I2C_PORT);
if (!g_ioexpander.i2c)
{
return -EINVAL;
}
return 0;
}

683
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_lcd.c Normal file
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/****************************************************************************
* boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_lcd.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <unistd.h>
#include <stdlib.h>
#include <debug.h>
#include <assert.h>
#include <sys/param.h>
#include <unistd.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/video/fb.h>
#include <nuttx/signal.h>
#include "esp32s3_gpio.h"
#include "esp32s3-lcd-ev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define CS_PIN 1
#define SCK_PIN 2
#define SDO_PIN 3
#define DELAY(us) esp_rom_delay_us(us)
#define CS(v) DEBUGASSERT(board_ioexpander_output(CS_PIN, v ? 1 : 0) == 0)
#define SCK(v) DEBUGASSERT(board_ioexpander_output(SCK_PIN, v ? 1 : 0) == 0)
#define SDO(v) DEBUGASSERT(board_ioexpander_output(SDO_PIN, v ? 1 : 0) == 0)
/****************************************************************************
* Private Types
****************************************************************************/
struct lcd_config_data
{
uint8_t cmd;
uint8_t data_bytes;
uint8_t data[52];
};
/****************************************************************************
* External Functions
****************************************************************************/
extern void esp_rom_delay_us(uint32_t us);
/****************************************************************************
* Private Data
****************************************************************************/
/* LCD GC9503CV configuration parameters */
static const struct lcd_config_data g_lcd_config[] =
{
{
/* Enable manufacture command set in page 0 */
0xf0, 5,
{
0x55, 0xaa, 0x52, 0x08, 0x00
}
},
{
/* Unknown */
0xf6, 2,
{
0x5a, 0x87
}
},
{
/* Unknown */
0xc1, 1,
{
0x3f
}
},
{
/* Unknown */
0xc2, 1,
{
0x0e
}
},
{
/* Unknown */
0xc6, 1,
{
0xf8
}
},
{
/* Unknown */
0xc9, 1,
{
0x10
}
},
{
/* Unknown */
0xcd, 1,
{
0x25
}
},
{
/* Unknown */
0xf8, 1,
{
0x8a
}
},
{
/* Unknown */
0xac, 1,
{
0x45
}
},
{
/* Set VGH to be 13(15.00) */
0xa0, 1,
{
0xdd
}
},
{
/* Unknown */
0xa7, 1,
{
0x47
}
},
{
/* Unknown */
0xfa, 4,
{
0x00, 0x00, 0x00, 0x04
}
},
{
/* Set VGL to be 5(-10.5) */
0x86, 4,
{
0x99, 0xa3, 0xa3, 0x51
}
},
{
/* Unknown */
0xa3, 1,
{
0xee
}
},
{
/* Unknown */
0xfd, 3,
{
0x3c, 0x3c, 0x00
}
},
{
/* Unknown */
0x71, 1,
{
0x48
}
},
{
/* Unknown */
0x72, 1,
{
0x48
}
},
{
/* Unknown */
0x73, 2,
{
0x00, 0x44
}
},
{
/* Unknown */
0x97, 1,
{
0xee
}
},
{
/* Unknown */
0x83, 1,
{
0x93
}
},
{
/* Set adjustment of VGMP */
0x9a, 1,
{
0x72
}
},
{
/* Set adjustment of VGMN */
0x9b, 1,
{
0x5a
}
},
{
/* Set adjustment of VGSPN */
0x82, 2,
{
0x2c, 0x2c
}
},
{
/* Unknown */
0x6d, 32,
{
0x00, 0x1f, 0x19, 0x1a, 0x10, 0x0e, 0x0c, 0x0a,
0x02, 0x07, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x08, 0x01,
0x09, 0x0b, 0x0d, 0x0f, 0x1a, 0x19, 0x1f, 0x00
}
},
{
/* Unknown */
0x64, 16,
{
0x38, 0x05, 0x01, 0xdb, 0x03, 0x03, 0x38, 0x04,
0x01, 0xdc, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a
}
},
{
/* Unknown */
0x65, 16,
{
0x38, 0x03, 0x01, 0xdd, 0x03, 0x03, 0x38, 0x02,
0x01, 0xde, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a
}
},
{
/* Unknown */
0x66, 16,
{
0x38, 0x01, 0x01, 0xdf, 0x03, 0x03, 0x38, 0x00,
0x01, 0xe0, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a
}
},
{
/* Unknown */
0x67, 16,
{
0x30, 0x01, 0x01, 0xe1, 0x03, 0x03, 0x30, 0x02,
0x01, 0xe2, 0x03, 0x03, 0x7a, 0x7a, 0x7a, 0x7a
}
},
{
/* Unknown */
0x68, 13,
{
0x00, 0x08, 0x15, 0x08, 0x15, 0x7a, 0x7a, 0x08,
0x15, 0x08, 0x15, 0x7a, 0x7a
}
},
{
/* Unknown */
0x60, 8,
{
0x38, 0x08, 0x7a, 0x7a, 0x38, 0x09, 0x7a, 0x7a
}
},
{
/* Unknown */
0x63, 8,
{
0x31, 0xe4, 0x7a, 0x7a, 0x31, 0xe5, 0x7a, 0x7a
}
},
{
/* Unknown */
0x69, 7,
{
0x04, 0x22, 0x14, 0x22, 0x14, 0x22, 0x08
}
},
{
/* Unknown */
0x6b, 1,
{
0x07
}
},
{
/* Unknown */
0x7a, 2,
{
0x08, 0x13
}
},
{
/* Unknown */
0x7b, 2,
{
0x08, 0x13
}
},
{
/* Unknown */
0xd1, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
}
},
{
/* Unknown */
0xd2, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
}
},
{
/* Unknown */
0xd3, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
}
},
{
/* Unknown */
0xd4, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
}
},
{
/* Unknown */
0xd5, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
},
},
{
/* Unknown */
0xd6, 52,
{
0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x18,
0x00, 0x21, 0x00, 0x2a, 0x00, 0x35, 0x00, 0x47,
0x00, 0x56, 0x00, 0x90, 0x00, 0xe5, 0x01, 0x68,
0x01, 0xd5, 0x01, 0xd7, 0x02, 0x36, 0x02, 0xa6,
0x02, 0xee, 0x03, 0x48, 0x03, 0xa0, 0x03, 0xba,
0x03, 0xc5, 0x03, 0xd0, 0x03, 0xe0, 0x03, 0xea,
0x03, 0xfa, 0x03, 0xff
},
},
{
/* 18-bit Pixel */
0x3a, 1,
{
0x60
}
},
{
/* Enter sleep out mode, no parameters */
0x11, 0
},
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* 9-bit SPI Rising Mode
****************************************************************************/
/****************************************************************************
* Name: send_byte
*
* Description:
* Send 9-bit data to LCD.
*
* Input Parameters:
* data - TX data
*
* Returned Value:
* None.
*
****************************************************************************/
static void send_byte(uint16_t data)
{
for (int n = 0; n < 9; n++)
{
if (data & 0x0100)
{
SDO(1);
}
else
{
SDO(0);
}
data = data << 1;
SCK(0);
DELAY(10);
SCK(1);
DELAY(10);
}
}
/****************************************************************************
* Name: send_cmd
*
* Description:
* Send command to LCD.
*
* Input Parameters:
* cmd - TX command
*
* Returned Value:
* None.
*
****************************************************************************/
static void send_cmd(uint8_t cmd)
{
uint16_t spi_data = cmd;
CS(0);
DELAY(10);
send_byte(spi_data);
DELAY(10);
CS(1);
SCK(0);
SDO(0);
DELAY(10);
}
/****************************************************************************
* Name: send_data
*
* Description:
* Send data to LCD.
*
* Input Parameters:
* cmd - TX command
*
* Returned Value:
* None.
*
****************************************************************************/
static void send_data(uint8_t data)
{
uint16_t spi_data = data;
CS(0);
DELAY(10);
spi_data &= 0x00ff;
spi_data |= 0x0100;
send_byte(spi_data);
DELAY(10);
CS(1);
SCK(0);
SDO(0);
DELAY(10);
}
/****************************************************************************
* Name: lcd_initialize_spi
*
* Description:
* Initialize write only SPI interface by IO expander.
*
* Input Parameters:
* None.
*
* Returned Value:
* None.
*
****************************************************************************/
static void lcd_initialize_spi(void)
{
uint8_t pin_mask = (1 << CS_PIN) |
(1 << SCK_PIN) |
(1 << SDO_PIN);
DEBUGASSERT(board_ioexpander_initialize() == 0);
DEBUGASSERT(board_ioexpander_set_pin(0, pin_mask) == 0);
CS(1);
SCK(1);
SDO(1);
}
/****************************************************************************
* Name: lcd_configure_display
*
* Description:
* Configure LCD with global configuration parameters.
*
* Input Parameters:
* None.
*
* Returned Value:
* None.
*
****************************************************************************/
static void lcd_configure_display(void)
{
/* Pull-up V-SYNC pin to start configurating LCD */
esp32s3_configgpio(CONFIG_ESP32S3_LCD_VSYNC_PIN, OUTPUT | PULLUP);
esp32s3_gpiowrite(CONFIG_ESP32S3_LCD_VSYNC_PIN, 1);
for (int i = 0; i < nitems(g_lcd_config); i++)
{
send_cmd(g_lcd_config[i].cmd);
for (int j = 0; j < g_lcd_config[i].data_bytes; j++)
{
send_data(g_lcd_config[i].data[j]);
}
}
/* Wait until LCD is ready */
nxsig_usleep(120 * 1000);
/* Display on */
send_cmd(0x29);
/* Wait until LCD is on */
nxsig_usleep(20 * 1000);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_lcd_initialize
*
* Description:
* Initialize LCD.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_lcd_initialize(void)
{
int ret;
lcd_initialize_spi();
lcd_configure_display();
#ifdef CONFIG_VIDEO_FB
/* Initialize and register the framebuffer driver */
ret = fb_register(0, 0);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
return ret;
}
#else
UNUSED(ret);
#endif
return 0;
}

191
boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_touchscreen.c Normal file
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/****************************************************************************
* boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_touchscreen.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <syslog.h>
#include <assert.h>
#include <errno.h>
#include <nuttx/input/ft5x06.h>
#include "esp32s3_i2c.h"
#include "esp32s3-lcd-ev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BOARD_TOUCHSCREEN_I2C_PORT I2C_PORT
#define BOARD_TOUCHSCREEN_I2C_ADDR (0x38)
#define BOARD_TOUCHSCREEN_I2C_CLOCK (400 * 1000)
/****************************************************************************
* Private Function Ptototypes
****************************************************************************/
#ifndef CONFIG_FT5X06_POLLMODE
static int esp32s3_ft5x06_attach(const struct ft5x06_config_s *config,
xcpt_t isr, void *arg);
static void esp32s3_ft5x06_enable(const struct ft5x06_config_s *config,
bool enable);
static void esp32s3_ft5x06_clear(const struct ft5x06_config_s *config);
#endif
static void esp32s3_ft5x06_wakeup(const struct ft5x06_config_s *config);
static void esp32s3_ft5x06_nreset(const struct ft5x06_config_s *config,
bool state);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct ft5x06_config_s g_ft5x06_config =
{
.address = BOARD_TOUCHSCREEN_I2C_ADDR,
.frequency = BOARD_TOUCHSCREEN_I2C_CLOCK,
#ifndef CONFIG_FT5X06_POLLMODE
.attach = esp32s3_ft5x06_attach,
.enable = esp32s3_ft5x06_enable,
.clear = esp32s3_ft5x06_clear,
#endif
.wakeup = esp32s3_ft5x06_wakeup,
.nreset = esp32s3_ft5x06_nreset
};
/****************************************************************************
* Private Functions
****************************************************************************/
#ifndef CONFIG_FT5X06_POLLMODE
/****************************************************************************
* Name: esp32s3_ft5x06_attach
*
* Description:
* Attach an FT5x06 interrupt handler to a GPIO interrupt
*
****************************************************************************/
static int esp32s3_ft5x06_attach(const struct ft5x06_config_s *config,
xcpt_t isr, void *arg)
{
/* We do not have interrupt pin in the implementation */
return 0;
}
/****************************************************************************
* Name: esp32s3_ft5x06_enable
*
* Description:
* Enable or disable a GPIO interrupt
*
****************************************************************************/
static void esp32s3_ft5x06_enable(const struct ft5x06_config_s *config,
bool enable)
{
/* We do not have interrupt pin in the implementation */
}
/****************************************************************************
* Name: esp32s3_ft5x06_clear
*
* Description:
* Acknowledge/clear any pending GPIO interrupt
*
****************************************************************************/
static void esp32s3_ft5x06_clear(const struct ft5x06_config_s *config)
{
/* We do not have interrupt pin in the implementation */
}
#endif
/****************************************************************************
* Name: esp32s3_ft5x06_wakeup
*
* Description:
* Issue WAKE interrupt to FT5x06 to change the FT5x06 from Hibernate to
* Active mode.
*
****************************************************************************/
static void esp32s3_ft5x06_wakeup(const struct ft5x06_config_s *config)
{
/* We do not have access to the WAKE pin in the implementation */
}
/****************************************************************************
* Name: esp32s3_ft5x06_nreset
*
* Description:
* Control the chip reset pin
*
****************************************************************************/
static void esp32s3_ft5x06_nreset(const struct ft5x06_config_s *config,
bool state)
{
/* We do not have access to the RESET pin in the implementation */
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_touchscreen_initialize
*
* Description:
* Initialize touchpad.
*
* Input Parameters:
* None.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_touchscreen_initialize(void)
{
int ret;
struct i2c_master_s *i2c;
i2c = esp32s3_i2cbus_initialize(BOARD_TOUCHSCREEN_I2C_PORT);
if (!i2c)
{
return -EINVAL;
}
ret = ft5x06_register(i2c, &g_ft5x06_config, 0);
if (ret != 0)
{
return ret;
}
return 0;
}