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fix: clarify comments — AGC width, dual-USB docstring, BE datasheet ref

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This commit is contained in:
Jason
2026-04-16 17:51:09 +05:45
parent 7a35f42e61
commit 161e9a66e4
2 changed files with 5 additions and 4 deletions
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9_Firmware/9_2_FPGA/usb_data_interface.v
+2 -2
View File
@@ -29,7 +29,7 @@ module usb_data_interface (
// FT601 Interface (Slave FIFO mode) // FT601 Interface (Slave FIFO mode)
// Data bus // Data bus
inout wire [31:0] ft601_data, // 32-bit bidirectional data bus inout wire [31:0] ft601_data, // 32-bit bidirectional data bus
output reg [3:0] ft601_be, // Byte enable (active-HIGH per FT601 datasheet / AN_378) output reg [3:0] ft601_be, // Byte enable (active-HIGH per DS_FT600Q-FT601Q Table 3.2)
// Control signals // Control signals
// VESTIGIAL OUTPUTS — kept for 200T board port compatibility. // VESTIGIAL OUTPUTS — kept for 200T board port compatibility.
@@ -374,7 +374,7 @@ always @(posedge ft601_clk_in or negedge ft601_effective_reset_n) begin
// Word 4: AGC metrics + range_mode // Word 4: AGC metrics + range_mode
status_words[4] <= {status_agc_current_gain, // [31:28] status_words[4] <= {status_agc_current_gain, // [31:28]
status_agc_peak_magnitude, // [27:20] status_agc_peak_magnitude, // [27:20]
status_agc_saturation_count, // [19:12] status_agc_saturation_count, // [19:12] 8-bit saturation count
status_agc_enable, // [11] status_agc_enable, // [11]
9'd0, // [10:2] reserved 9'd0, // [10:2] reserved
status_range_mode}; // [1:0] status_range_mode}; // [1:0]
9_Firmware/9_3_GUI/v7/hardware.py
+3 -2
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@@ -47,8 +47,9 @@ class STM32USBInterface:
Used ONLY for receiving GPS data from the MCU. Used ONLY for receiving GPS data from the MCU.
FPGA register commands are sent via FT2232H (see FT2232HConnection FPGA register commands are sent via the USB data interface — either
from radar_protocol.py). The old send_start_flag() / send_settings() FT2232HConnection (production) or FT601Connection (premium), both
from radar_protocol.py. The old send_start_flag() / send_settings()
methods have been removed — they used an incompatible magic-packet methods have been removed — they used an incompatible magic-packet
protocol that the FPGA does not understand. protocol that the FPGA does not understand.
""" """