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Beginning touch support #134

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Beginning touch support #134

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35 changes: 33 additions & 2 deletions loader/fixups.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,16 +39,47 @@ SYS_INIT(disable_bootloader_mpu, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAU
SYS_INIT(disable_mpu_rasr_xn, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
#endif

#if defined(CONFIG_BOARD_ARDUINO_GIGA_R1) && defined(CONFIG_VIDEO)

#if defined(CONFIG_BOARD_ARDUINO_GIGA_R1) && defined(CONFIG_INPUT_GT911_INTERRUPT)
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/logging/log.h>

#include <zephyr/input/input.h>

// experiment to try to capture touch screen events
void (*_giga_touch_callback)(struct input_event *evt, void *user_data) = 0;

void registerGigaTouchCallback(void (*cb)(struct input_event *evt, void *user_data)) {
_giga_touch_callback = cb;
}


void touch_event_callback(struct input_event *evt, void *user_data)
{
//printk("touch_event_callback(%p %p): %p %u %u %u %d\n", evt, user_data,
// evt->dev, evt->sync, evt->type, evt->code, evt->value);
if (_giga_touch_callback) {
(*_giga_touch_callback)(evt, user_data);
}
}

static const struct device *const touch_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_touch));
INPUT_CALLBACK_DEFINE(touch_dev, touch_event_callback, NULL);

#endif

#if (defined(CONFIG_BOARD_ARDUINO_GIGA_R1) || defined(CONFIG_BOARD_ARDUINO_PORTENTA_H7) ) && defined(CONFIG_VIDEO)
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/drivers/clock_control.h>
#include <zephyr/logging/log.h>
#include <zephyr/drivers/clock_control.h>

int camera_ext_clock_enable(void)
{
int ret;
uint32_t rate;

const struct device *cam_ext_clk_dev = DEVICE_DT_GET(DT_NODELABEL(pwmclock));

if (!device_is_ready(cam_ext_clk_dev)) {
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3 changes: 3 additions & 0 deletions loader/llext_exports.c
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,9 @@ FORCE_EXPORT_SYM(video_buffer_alloc);
FORCE_EXPORT_SYM(video_buffer_release);
FORCE_EXPORT_SYM(video_set_ctrl);
#endif
#if defined(CONFIG_BOARD_ARDUINO_GIGA_R1) && defined(CONFIG_INPUT_GT911_INTERRUPT)
FORCE_EXPORT_SYM(registerGigaTouchCallback);
#endif

#if defined(CONFIG_SHARED_MULTI_HEAP)
FORCE_EXPORT_SYM(shared_multi_heap_aligned_alloc);
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9 changes: 9 additions & 0 deletions variants/arduino_giga_r1_stm32h747xx_m7/variant.cpp
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Expand Up @@ -6,3 +6,12 @@ void _on_1200_bps() {
*(__IO uint32_t *)tmp = (uint32_t)0xDF59;
NVIC_SystemReset();
}

#if defined(CONFIG_BOARD_ARDUINO_GIGA_R1) && defined(CONFIG_INPUT_GT911_INTERRUPT)
extern "C" void registerGigaTouchCallback(void (*cb)(struct input_event *evt, void *user_data));
void initVariant(void) {
// Make sure to set to NULL in case previous sketch or pvevious build of sketch
// set a callback, whoes pointer may not be valid
registerGigaTouchCallback(nullptr);
}
#endif
18 changes: 2 additions & 16 deletions variants/arduino_portenta_h7_stm32h747xx_m7/arduino_portenta_h7_stm32h747xx_m7.overlay
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Expand Up @@ -27,24 +27,11 @@

port {
gc2145_ep_out: endpoint {
remote-endpoint-label = "dcmi_ep_in";
remote-endpoint = <&dcmi_ep_in>;
};
};
};

ov7670: ov7670@21 {
compatible = "ovti,ov7670";
reg = <0x21>;

reset-gpios = <&gpioe 3 GPIO_ACTIVE_LOW>;
pwdn-gpios = <&gpiod 5 GPIO_ACTIVE_LOW>;

port {
ov7670_ep_out: endpoint {
remote-endpoint-label = "dcmi_ep_in";
};
};
};
};

&i2c1 {
Expand Down Expand Up @@ -139,12 +126,11 @@
pinctrl-names = "default";
dmas = <&dma1 0 75 (STM32_DMA_PERIPH_TO_MEMORY | STM32_DMA_PERIPH_NO_INC |
STM32_DMA_MEM_INC | STM32_DMA_PERIPH_32BITS | STM32_DMA_MEM_32BITS |
STM32_DMA_PRIORITY_HIGH) STM32_DMA_FIFO_FULL>; //FULL for 7670, default FIFO_1_4
STM32_DMA_PRIORITY_HIGH) STM32_DMA_FIFO_1_4>; //FULL for 7670, default FIFO_1_4

port {
dcmi_ep_in: endpoint {
remote-endpoint-label = "gc2145_ep_out";
// remote-endpoint-label = "ov7670_ep_out";
bus-width = <8>;
hsync-active = <0>;
vsync-active = <0>;
Expand Down