From 82a87d53f51e9f233565fd0518524a163877f838 Mon Sep 17 00:00:00 2001 From: Bryan Bassett Date: Sun, 29 Mar 2020 01:32:57 -0400 Subject: [PATCH] delay SPI.open until module_init --- .../python/lib/waveshare_epd/epdconfig.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epdconfig.py b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epdconfig.py index 861f43d..0dbcc5f 100644 --- a/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epdconfig.py +++ b/RaspberryPi&JetsonNano/python/lib/waveshare_epd/epdconfig.py @@ -45,9 +45,7 @@ class RaspberryPi: import RPi.GPIO self.GPIO = RPi.GPIO - - # SPI device, bus = 0, device = 0 - self.SPI = spidev.SpiDev(0, 0) + self.SPI = spidev.SpiDev() def digital_write(self, pin, value): self.GPIO.output(pin, value) @@ -68,6 +66,9 @@ class RaspberryPi: self.GPIO.setup(self.DC_PIN, self.GPIO.OUT) self.GPIO.setup(self.CS_PIN, self.GPIO.OUT) self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN) + + # SPI device, bus = 0, device = 0 + self.SPI.open(0, 0) self.SPI.max_speed_hz = 4000000 self.SPI.mode = 0b00 return 0