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Merged
pkendall64 merged 4 commits into from
Oct 24, 2026
Merged

GEPRC Dual Band GeminiX LR2021 #255

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2ca9668
GEPRC LR2021 dual band RX
pkendall64 Mar 22, 2026
bf0b1bc
GEPRC True Diversity LR2021
pkendall64 Oct 13, 2026
9cf3987
Fix naming as requested
pkendall64 Oct 24, 2026
ef0dffb
Fix default power levels for LR2021 targets
pkendall64 Oct 24, 2026
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34 changes: 34 additions & 0 deletions RX/Generic C3 LR2021 True Diversity.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
{
"serial_rx": 20,
"serial_tx": 21,

"radio_miso": 5,
"radio_mosi": 4,
"radio_sck": 6,

"radio_busy": 3,
"radio_dio1": 1,
"radio_nss": 0,
"radio_rst": 2,

"radio_busy_2": 19,
"radio_dio1_2": 18,
"radio_nss_2": 7,
"radio_rst_2": 10,

"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 3,
"power_control": 0,
"power_values": [24, 32, 38, 44],
"power_values_dual": [-24,-18,-12,-4],
"power_lna_gain": 12,

"led_rgb": 8,
"led_rgb_isgrb": true,

"radio_dcdc": true,

"button": 9
}
29 changes: 29 additions & 0 deletions RX/Generic C3 LR2021.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
{
"serial_rx": 20,
"serial_tx": 21,

"radio_miso": 5,
"radio_mosi": 4,
"radio_sck": 6,

"radio_busy": 3,
"radio_dio1": 1,
"radio_nss": 0,
"radio_rst": 2,

"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 3,
"power_control": 0,
"power_values": [24, 32, 38, 44],
"power_values_dual": [-24,-18,-12,-4],
"power_lna_gain": 12,

"led_rgb": 19,
"led_rgb_isgrb": true,

"radio_dcdc": true,

"button": 9
}
29 changes: 29 additions & 0 deletions RX/Generic S3 LR2021.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
{
"serial_rx": 44,
"serial_tx": 43,

"radio_miso": 15,
"radio_mosi": 7,
"radio_sck": 6,

"radio_busy": 4,
"radio_dio1": 2,
"radio_nss": 5,
"radio_rst": 1,

"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 3,
"power_control": 0,
"power_values": [24, 32, 38, 44],
"power_values_dual": [-24,-18,-12,-4],
"power_lna_gain": 12,

"led_rgb": 48,
"led_rgb_isgrb": true,

"radio_dcdc": true,

"button": 0
}
33 changes: 33 additions & 0 deletions TX/Generic C3 LR2021.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
{
"serial_rx": 18,
"serial_tx": 18,

"radio_miso": 5,
"radio_mosi": 4,
"radio_sck": 6,

"radio_busy": 3,
"radio_dio1": 1,
"radio_nss": 0,
"radio_rst": 2,

"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 2,
"power_control": 0,
"power_values": [24, 32, 38, 44],
"power_values_dual": [-24,-18,-12,-4],
"power_lna_gain": 12,

"led_rgb": 19,
"led_rgb_isgrb": true,

"radio_dcdc": true,

"button": 9,

"debug_backpack_rx": 20,
"debug_backpack_tx": 21,
"debug_backpack_baud": 460800
}
33 changes: 33 additions & 0 deletions TX/Generic S3 LR2021.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
{
"serial_rx": 18,
"serial_tx": 18,

"radio_miso": 15,
"radio_mosi": 7,
"radio_sck": 6,

"radio_busy": 4,
"radio_dio1": 2,
"radio_nss": 5,
"radio_rst": 1,

"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 2,
"power_control": 0,
"power_values": [24, 32, 38, 44],
"power_values_dual": [-24,-18,-12,-4],
"power_lna_gain": 12,

"led_rgb": 48,
"led_rgb_isgrb": true,

"radio_dcdc": true,

"button": 0,

"debug_backpack_rx": 44,
"debug_backpack_tx": 43,
"debug_backpack_baud": 460800
}
54 changes: 53 additions & 1 deletion targets.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1733,8 +1733,25 @@
"min_version": "3.4.0",
"platform": "esp32",
"firmware": "Unified_ESP32_LR1121_TX"
},
"c3-plain-2021": {
"product_name": "Generic C3 LR2021 2.4/900 TX",
"lua_name": "C3 LR2021 TX",
"layout_file": "Generic C3 LR2021.json",
"upload_methods": ["uart", "wifi"],
"min_version": "4.0.0",
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR2021_TX"
},
"s3-plain-2021": {
"product_name": "Generic S3 LR2021 2.4/900 TX",
"lua_name": "S3 LR2021 TX",
"layout_file": "Generic S3 LR2021.json",
"upload_methods": ["uart", "wifi"],
"min_version": "4.0.0",
"platform": "esp32-s3",
"firmware": "Unified_ESP32S3_LR2021_TX"
}

},
"rx_dual": {
"true_diversity": {
Expand Down Expand Up @@ -1764,6 +1781,15 @@
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR1121_RX"
},
"c3-plain-2021": {
"product_name": "Generic C3 LR2021 2.4/900 RX",
"lua_name": "C3 LR2021 RX",
"layout_file": "Generic C3 LR2021.json",
"upload_methods": ["uart", "wifi", "betaflight"],
"min_version": "4.0.0",
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR2021_RX"
},
"c3-pwm": {
"product_name": "Generic C3 LR1121 2.4/900 PWM RX",
"lua_name": "C3 LR1121 PWM RX",
Expand Down Expand Up @@ -1945,6 +1971,32 @@
"min_version": "3.5.2",
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR1121_RX"
},
"c3-lr2021": {
"product_name": "GEPRC LINKFLOW LR20 Dual-Band RX",
"lua_name": "GEPR LR20 DB RX",
"layout_file": "Generic C3 LR2021.json",
"overlay": {
"power_values_dual": [-14, -6, 2, 10],
"radio_rfsw_ctrl": [8, 16, 0, 0, 0, 24, 255]
},
"upload_methods": ["uart", "wifi", "betaflight"],
"min_version": "4.2.0",
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR2021_RX"
},
"c3-lr2021-gemx": {
"product_name": "GEPRC LINKFLOW LR20 Gemini Xrossband RX",
"lua_name": "GEPR LR20 GX RX",
"layout_file": "Generic C3 LR2021 True Diversity.json",
"overlay": {
"power_values_dual": [-14, -6, 2, 10],
"radio_rfsw_ctrl": [8, 16, 0, 0, 0, 24, 255]
},
"upload_methods": ["uart", "wifi", "betaflight"],
"min_version": "4.2.0",
"platform": "esp32-c3",
"firmware": "Unified_ESP32C3_LR2021_RX"
}
},
"tx_dual": {
Expand Down
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