main.py

@@ -1,11 +1,6 @@
 import spidev
-import sys
-import select
-import time
-
-from init_regs_value import init_regs_value
-from regs_addr import regs_addr
 from util import *
+from receive import receive_packet
 debug = True
 
 def menu():
@@ -13,18 +8,19 @@ def menu():
     print("1: Read Reg by name")
     print("2: Write reg hex value by name")
     print("3: Dump registers")
+    print("4: Poll for packets")
     print("0: Quit")
 
 if __name__ == "__main__":
     spi = spidev.SpiDev()
     spi.open(0, 0)  # Bus 0, CE0 (Pin 24)
-    spi.max_speed_hz = 2000000  # Safe start speed
+    spi.max_speed_hz = 500000  # Safe start speed
     spi.mode = 0b00  # SPI mode 0
     stop = False
 
     print("Sending SRES (reset)...")
     spi.xfer2([SRES])
-    time.sleep(0.1)
+    sleep(0.1)
 
     print("Sending SNOP (no-op)...")
     status = spi.xfer2([SNOP])[0]
@@ -35,7 +31,7 @@ if __name__ == "__main__":
     print(f"CC2500 VERSION register: 0x{version:02X}")  
 
     init_regs(spi)
-    time.sleep(0.1)
+    sleep(0.1)
 
     test_read_write_reg(spi)
 
@@ -57,11 +53,15 @@ if __name__ == "__main__":
                 addr = get_addr(reg_name)
                 value = int(input("New Register value (hex): "),16)
                 write_reg(spi, addr, value)
-                time.sleep(0.1)
+                sleep(0.1)
                 value_check = read_register(spi,addr)
                 print("Updated Value: " + hex(value) +" == " + str(value))
             elif cmd == 3:
                 dump_regs(spi)
+            elif cmd == 4:
+                while True:
+                    receive_packet(spi)
+                    sleep(0.2)
             else:
                 print("Invalid command")
     finally:

receive.py

@@ -1,40 +1,43 @@
-def burst_read(addr, length):
+from util import *
+import time
+
+def burst_read(spi, addr, length):
     """Read multiple bytes"""
-    READ_SINGLE = ACCESS["READ_SINGLE"]["dec"]
+    READ_SINGLE = get_addr["READ_SINGLE"]
-    READ_BURST = ACCESS["READ_BURST"]["dec"]
+    READ_BURST = get_addr["READ_BURST"]
     return spi.xfer2([addr | READ_SINGLE | READ_BURST] + [0x00] * length)
 
 
 
-def read_fifo():
+def read_fifo(spi):
     # Burst read RX FIFO
-    READ_BURST = ACCESS["READ_BURST"]["dec"]
+    READ_BURST = get_addr("READ_BURST")
-    RXFIFO = MEMORY["RXFIFI"]["dec"]
+    RXFIFO = get_addr("RXFIFO")
     fifo = spi.xfer2([RXFIFO | READ_BURST] + [0x00]*64)  # Max 64 bytes
     return fifo[1:]
 
 
-def receive_packet():
+def receive_packet(spi):
     # Flush RX FIFO
-    SFRX = STROBES["SFRX"]["dec"]
+    SFRX = get_addr("SFRX")
-    strobe(SFRX)  # SFRX
+    strobe(spi, SFRX)  # SFRX
 
-    SRX = STROBES["SRX"]["dec"]
+    SRX = get_addr( "SRX")
     # Go into RX mode
-    strobe(SRX)  # SRX
+    strobe(spi, SRX)  # SRX
 
     # Wait for data (use GDO0 in real app)
     time.sleep(0.5)
 
     # Check RXBYTES
-    RXBYTES = STATUS["RXBYTES"]["dec"]
+    RXBYTES = get_addr( "RXBYTES")
-    rx_bytes = read_register(RXBYTES) & 0x7F
+    rx_bytes = read_register(spi, RXBYTES) & 0x7F
     if rx_bytes == 0:
         print("No data received.")
         return None
 
     # Read data
-    RXFIFO = MEMORY["RXFIFO"]["dec"]
+    # RXFIFO = get_addr("RXFIFO")
-    data = read_fifo()  # 0x3F = RX FIFO
+    data = read_fifo(spi)  # 0x3F = RX FIFO
     print(f"Received: {data}")
     return data

util.py

@@ -1,5 +1,6 @@
 from init_regs_value import init_regs_value
 from regs_addr import regs_addr
+import time
 CONFIG_REGS = regs_addr["CONFIG_REGS"]
 STROBES = regs_addr["STROBES"]
 STATUS = regs_addr["STATUS"]
@@ -64,3 +65,6 @@ def dump_regs(spi):
             name :str = reg_name
             value = read_register(spi, reg_addr)
             print((name+":").ljust(15) +hex(value).ljust(4)+"\t"+str(value))
+
+def sleep(t):
+    return time.sleep(t)