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Merged
KenVanHoeylandt merged 19 commits into from
Feb 7, 2026
Merged

Add kernel drivers for SPI and UART and make locking APIs more consistent #489

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4b76702
Add UART driver to kernel
KenVanHoeylandt Feb 7, 2026
0ddadc1
Add SPI kernel driver
KenVanHoeylandt Feb 7, 2026
fa44748
Update try_lock: add timeout
KenVanHoeylandt Feb 7, 2026
0adfb9e
Simplify try_lock for mutex and recursive mutex.
KenVanHoeylandt Feb 7, 2026
0cbbe57
Fixes
KenVanHoeylandt Feb 7, 2026
c4743e6
Fixes
KenVanHoeylandt Feb 7, 2026
c5345bd
Simplify esp32_i2c config access
KenVanHoeylandt Feb 7, 2026
6a88f66
Fixes
KenVanHoeylandt Feb 7, 2026
9a401ac
Fix
KenVanHoeylandt Feb 7, 2026
91b7610
Add device_find_by_name
KenVanHoeylandt Feb 7, 2026
452f305
Refactor UART usage
KenVanHoeylandt Feb 7, 2026
7a397e7
Updated dts files for uart and removed old configs
KenVanHoeylandt Feb 7, 2026
5bdbdd6
Fixes
KenVanHoeylandt Feb 7, 2026
01e4243
Fixes
KenVanHoeylandt Feb 7, 2026
4d53d81
Fixes
KenVanHoeylandt Feb 7, 2026
164da48
Fixes
KenVanHoeylandt Feb 7, 2026
fb2574d
Fixes
KenVanHoeylandt Feb 7, 2026
b23a9c9
Fixes
KenVanHoeylandt Feb 7, 2026
98c76d7
Fix
KenVanHoeylandt Feb 7, 2026
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1 change: 1 addition & 0 deletions Devices/cyd-2432s024c/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down
27 changes: 1 addition & 26 deletions Devices/cyd-2432s028r/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down Expand Up @@ -80,31 +81,5 @@ extern const Configuration hardwareConfiguration = {
.isMutable = false,
.lock = tt::lvgl::getSyncLock() // esp_lvgl_port owns the lock for the display
},
},

.uart {
uart::Configuration {
.name = "P1",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_1,
.txPin = GPIO_NUM_3,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};
10 changes: 10 additions & 0 deletions Devices/cyd-2432s028r/cyd,2432s028r.dts
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Expand Up @@ -3,6 +3,7 @@
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_uart.h>

/ {
compatible = "root";
Expand All @@ -20,4 +21,13 @@
pin-sda = <27>;
pin-scl = <22>;
};

uart1 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_1>;
pin-tx = <3>;
pin-rx = <1>;
pin-cts = <GPIO_PIN_NONE>;
pin-rts = <GPIO_PIN_NONE>;
};
};
26 changes: 1 addition & 25 deletions Devices/cyd-2432s028rv3/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down Expand Up @@ -80,30 +81,5 @@ extern const Configuration hardwareConfiguration = {
.isMutable = false,
.lock = tt::lvgl::getSyncLock() // esp_lvgl_port owns the lock for the display
},
},
.uart {
uart::Configuration {
.name = "P1",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_1,
.txPin = GPIO_NUM_3,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};
10 changes: 10 additions & 0 deletions Devices/cyd-2432s028rv3/cyd,2432s028rv3.dts
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Expand Up @@ -3,6 +3,7 @@
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_uart.h>

/ {
compatible = "root";
Expand All @@ -20,4 +21,13 @@
pin-sda = <27>;
pin-scl = <22>;
};

uart1 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_1>;
pin-tx = <3>;
pin-rx = <1>;
pin-cts = <GPIO_PIN_NONE>;
pin-rts = <GPIO_PIN_NONE>;
};
};
1 change: 1 addition & 0 deletions Devices/cyd-2432s032c/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/kernel/SystemEvents.h>
Expand Down
1 change: 1 addition & 0 deletions Devices/cyd-4848s040c/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/St7701Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/kernel/SystemEvents.h>
Expand Down
27 changes: 1 addition & 26 deletions Devices/cyd-8048s043c/Source/Configuration.cpp
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@@ -1,6 +1,7 @@
#include "PwmBacklight.h"
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>

Expand Down Expand Up @@ -46,31 +47,5 @@ extern const Configuration hardwareConfiguration = {
.isMutable = false,
.lock = nullptr
}
},
.uart {
// P4 header, JST SH 1.0, GND / 3.3V / IO17 / IO18
uart::Configuration {
.name = "UART1",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_17,
.txPin = GPIO_NUM_18,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 9600,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};
10 changes: 10 additions & 0 deletions Devices/cyd-8048s043c/cyd,8048s043c.dts
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Expand Up @@ -3,6 +3,7 @@
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_uart.h>

/ {
compatible = "root";
Expand Down Expand Up @@ -30,4 +31,13 @@
pin-sda = <17>;
pin-scl = <18>;
};

uart1 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_1>;
pin-tx = <18>;
pin-rx = <17>;
pin-cts = <GPIO_PIN_NONE>;
pin-rts = <GPIO_PIN_NONE>;
};
};
1 change: 1 addition & 0 deletions Devices/cyd-e32r28t/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/SdCard.h"
#include "devices/Display.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down
1 change: 1 addition & 0 deletions Devices/cyd-e32r32p/Source/Configuration.cpp
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@@ -1,6 +1,7 @@
#include "devices/SdCard.h"
#include "devices/Display.h"
#include "devices/Power.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down
51 changes: 1 addition & 50 deletions Devices/elecrow-crowpanel-advance-28/Source/Configuration.cpp
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@@ -1,6 +1,7 @@
#include "PwmBacklight.h"
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down Expand Up @@ -70,55 +71,5 @@ extern const Configuration hardwareConfiguration = {
.isMutable = false,
.lock = nullptr // No custom lock needed
}
},
.uart {
// "UART0-IN"
uart::Configuration {
.name = "UART0",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_44,
.txPin = GPIO_NUM_43,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
},
// "UART1-OUT"
uart::Configuration {
.name = "UART1",
.port = UART_NUM_2,
.rxPin = GPIO_NUM_18,
.txPin = GPIO_NUM_17,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};
19 changes: 19 additions & 0 deletions Devices/elecrow-crowpanel-advance-28/elecrow,crowpanel-advance-28.dts
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Expand Up @@ -3,6 +3,7 @@
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_uart.h>

/ {
compatible = "root";
Expand All @@ -22,4 +23,22 @@
pin-sda-pullup;
pin-scl-pullup;
};

uart0 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_0>;
pin-tx = <43>;
pin-rx = <44>;
pin-cts = <GPIO_PIN_NONE>;
pin-rts = <GPIO_PIN_NONE>;
};

uart1 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_1>;
pin-tx = <17>;
pin-rx = <18>;
pin-cts = <GPIO_PIN_NONE>;
pin-rts = <GPIO_PIN_NONE>;
};
};
51 changes: 1 addition & 50 deletions Devices/elecrow-crowpanel-advance-35/Source/Configuration.cpp
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@@ -1,5 +1,6 @@
#include "devices/Display.h"
#include "devices/SdCard.h"
#include <driver/gpio.h>

#include <Tactility/hal/Configuration.h>
#include <Tactility/lvgl/LvglSync.h>
Expand Down Expand Up @@ -72,55 +73,5 @@ extern const Configuration hardwareConfiguration = {
.isMutable = false,
.lock = nullptr // No custom lock needed
}
},
.uart {
// "UART0-IN"
uart::Configuration {
.name = "UART0",
.port = UART_NUM_1,
.rxPin = GPIO_NUM_44,
.txPin = GPIO_NUM_43,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
},
// "UART1-OUT"
uart::Configuration {
.name = "UART1",
.port = UART_NUM_2,
.rxPin = GPIO_NUM_18,
.txPin = GPIO_NUM_17,
.rtsPin = GPIO_NUM_NC,
.ctsPin = GPIO_NUM_NC,
.rxBufferSize = 1024,
.txBufferSize = 1024,
.config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 0,
.source_clk = UART_SCLK_DEFAULT,
.flags = {
.allow_pd = 0,
.backup_before_sleep = 0,
}
}
}
}
};
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