diff --git a/micropython/drivers/radio/nrf24l01/nrf24l01.py b/micropython/drivers/radio/nrf24l01/nrf24l01.py index 04f07b9d..d015250c 100644 --- a/micropython/drivers/radio/nrf24l01/nrf24l01.py +++ b/micropython/drivers/radio/nrf24l01/nrf24l01.py @@ -130,6 +130,13 @@ class NRF24L01: self.cs(1) return ret + def read_status(self): + self.cs(0) + # STATUS register is always shifted during command transmit + self.spi.readinto(self.buf, NOP) + self.cs(1) + return self.buf[0] + def flush_rx(self): self.cs(0) self.spi.readinto(self.buf, FLUSH_RX) @@ -250,7 +257,8 @@ class NRF24L01: # returns None if send still in progress, 1 for success, 2 for fail def send_done(self): - if not (self.reg_read(STATUS) & (TX_DS | MAX_RT)): + status = self.read_status() + if not (status & (TX_DS | MAX_RT)): return None # tx not finished # either finished or failed: get and clear status flags, power down