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Fix Joystick HID detection, add ADC Joystick mode, fix build on MacOS #408

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Fix Joystick HID detection, add ADC Joystick mode, fix build on MacOS #408

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5f37a2c
Fix cmake build on Apple M1
dim13 Jul 4, 2024
1d1189f
Set I6X as default target
dim13 Jul 4, 2024
ed4076d
Disable Heli per default
dim13 Jul 4, 2024
390c649
Fix USB HID joystick detection
dim13 Jul 4, 2024
72d5f03
Process analog values first
dim13 Jul 4, 2024
930a988
Revert package size
dim13 Jul 5, 2024
b370c2e
Cleanup leftover func declaration
dim13 Jul 5, 2024
4a44259
Usage: joystick
dim13 Jul 5, 2024
08dfe4a
Fix second slider
dim13 Jul 5, 2024
0a0314f
Take input direct from ADC instead of Mixers
dim13 Jul 7, 2024
5910bee
Adjust zero position
dim13 Jul 8, 2024
345c30a
Add switch for joystick source input
dim13 Jul 9, 2024
cf53509
Keep old broken Joystick defintions
dim13 Jul 9, 2024
57d4045
Decrease polling interval to 4ms
dim13 Aug 1, 2024
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49 changes: 22 additions & 27 deletions radio/src/targets/common/arm/stm32/usb_driver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ extern "C" {
#endif

#include "opentx.h"
#include "board.h"
#include "debug.h"

static bool usbDriverStarted = false;
Expand Down Expand Up @@ -162,6 +163,8 @@ bool usbStarted()
}

#if !defined(BOOT)

#define PACKET_SIZE 8
/*
Prepare and send new USB data packet

Expand All @@ -171,7 +174,7 @@ bool usbStarted()
*/
void usbJoystickUpdate()
{
static uint8_t HID_Buffer[HID_IN_PACKET];
static uint8_t HID_Buffer[PACKET_SIZE];

// test to see if TX buffer is free
#if defined(STM32F0)
Expand All @@ -181,36 +184,28 @@ void usbJoystickUpdate()
#endif

// 4 axes
for (int i = 0; i < 8; ++i) {
int16_t value = channelOutputs[i] + 1024;
if ( value > 2047 ) value = 2047;
else if ( value < 0 ) value = 0;
HID_Buffer[i*2 + 0] = uint8_t(value);
HID_Buffer[i*2 + 1] = uint8_t(value >> 8);
}
// 2 sliders
// 4 switches
HID_Buffer[0] = uint8_t(adcValues[STICK1] >> 4) - 0x80;
HID_Buffer[1] = uint8_t(adcValues[STICK2] >> 4) - 0x80;
HID_Buffer[2] = uint8_t(adcValues[STICK3] >> 4) - 0x80;
HID_Buffer[3] = uint8_t(adcValues[STICK4] >> 4) - 0x80;

// buttons
HID_Buffer[8*2+1] = 0;
HID_Buffer[8*2+2] = 0;
HID_Buffer[8*2+3] = 0;
for (int i = 0; i < 8; ++i) {
if (channelOutputs[i+8] > 0) {
HID_Buffer[8*2+1] |= 1 << i;
}
if (channelOutputs[i+16] > 0) {
HID_Buffer[8*2+2] |= 1 << i;
}
if (channelOutputs[i+24] > 0) {
HID_Buffer[8*2+3] |= 1 << i;
}
}
// 2 pots
HID_Buffer[4] = uint8_t(adcValues[POT1] >> 4) - 0x80;
HID_Buffer[5] = uint8_t(adcValues[POT2] >> 4) - 0x80;

// 4 switches
// up: 10
// mid: 00
// dn: 01
HID_Buffer[6] = (~(uint8_t(adcValues[SW_A] >> 10) - 2) & 0x03)
| (~(uint8_t(adcValues[SW_B] >> 10) - 2) & 0x03) << 2
| (~(uint8_t(adcValues[SW_C] >> 10) - 2) & 0x03) << 4
| (~(uint8_t(adcValues[SW_D] >> 10) - 2) & 0x03) << 6;

#if defined(STM32F0)
USBD_HID_SendReport(&USB_Device_dev, HID_Buffer, HID_IN_PACKET);
USBD_HID_SendReport(&USB_Device_dev, HID_Buffer, PACKET_SIZE);
#else
USBD_HID_SendReport(&USB_OTG_dev, HID_Buffer, HID_IN_PACKET);
USBD_HID_SendReport(&USB_OTG_dev, HID_Buffer, PACKET_SIZE);
#endif
}
}
Expand Down
23 changes: 8 additions & 15 deletions radio/src/targets/common/arm/stm32/usbd_hid_joystick.c
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Original file line number Diff line number Diff line change
Expand Up @@ -112,34 +112,27 @@ __ALIGN_BEGIN static const uint8_t HID_JOYSTICK_ReportDesc[] __ALIGN_END =
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x04, // USAGE (Joystick)
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@ajjjjjjjj ajjjjjjjj Jul 8, 2024

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It is 0x05 in EdgeTX, I'm not against the change but is there a specific reason to change it?

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@dim13 dim13 Jul 9, 2024

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Value from original firmware, IMHO more suitable for the use. Doesn't do much however.

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@ajjjjjjjj ajjjjjjjj Jul 13, 2024

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As this is port of OpenTX/EdgeTX and there is no specific reason to change that, it should stay as it was.

0xa1, 0x01, // COLLECTION (Application)
0xa1, 0x00, // COLLECTION (Physical)

0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x32, // USAGE (Z)
0x09, 0x33, // USAGE (Rx)
0x09, 0x34, // USAGE (Ry)
0x09, 0x35, // USAGE (Rz)
0x09, 0x36, // USAGE (Slider)
0x09, 0x37, // USAGE (Slider)
0x16, 0x00, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x07, // LOGICAL_MAXIMUM (2047)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x08, // REPORT_COUNT (8)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7F, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x06, // REPORT_COUNT (6)
0x81, 0x02, // INPUT (Data,Var,Abs)

0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x10, // USAGE_MAXIMUM (Button 16)
0x29, 0x08, // USAGE_MAXIMUM (Button 8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x10, // REPORT_COUNT (16)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x08, // REPORT_COUNT (8)
0x81, 0x02, // INPUT (Data,Var,Abs)

0xc0, // END_COLLECTION
0xc0 // END_COLLECTION
0xc0, // END_COLLECTION
};


Expand Down Expand Up @@ -248,7 +241,7 @@ __ALIGN_BEGIN static const uint8_t USBD_HID_CfgDesc[USB_HID_CONFIG_DESC_SIZ] __A

HID_IN_EP, /*bEndpointAddress: Endpoint Address (IN)*/
0x03, /*bmAttributes: Interrupt endpoint*/
HID_IN_PACKET, /*wMaxPacketSize: 4 Byte max */
0x40, /*wMaxPacketSize: 4 Byte max */
0x00,
0x07, /*bInterval: Polling Interval (7 ms)*/
/* 34 */
Expand Down
4 changes: 2 additions & 2 deletions radio/src/targets/flysky/board.h
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Original file line number Diff line number Diff line change
Expand Up @@ -335,12 +335,12 @@ enum Analogs {
STICK4,
SW_A,
SW_B,
SW_C,
SW_D,
POT_FIRST,
POT1 = POT_FIRST,
POT2,
POT_LAST = POT2,
SW_C,
SW_D,
TX_VOLTAGE,
NUM_ANALOGS
};
Expand Down