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drivers/display/lcd160cr: Fix bugs with lcd.get_pixel().

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Fixes issues #2880 and #2881.
This commit is contained in:
Damien George 2017-02-21 17:40:34 +11:00
parent 8c5988bf61
commit b0a6dda115
1 changed files with 2 additions and 2 deletions
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4
drivers/display/lcd160cr.py
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@ -243,13 +243,13 @@ class LCD160CR:
self._fcmd2b('<BBBBH', 0x41, x, y, c) self._fcmd2b('<BBBBH', 0x41, x, y, c)
def get_pixel(self, x, y): def get_pixel(self, x, y):
self._fcmd2b('<BBBB', 0x61, x, y) self._fcmd2('<BBBB', 0x61, x, y)
t = 1000 t = 1000
while t: while t:
self.i2c.readfrom_into(self.i2c_addr, self.buf1) self.i2c.readfrom_into(self.i2c_addr, self.buf1)
if self.buf1[0] >= 2: if self.buf1[0] >= 2:
self.i2c.readfrom_into(self.i2c_addr, self.buf[3]) self.i2c.readfrom_into(self.i2c_addr, self.buf[3])
return self.buf[3][1] + self.buf[3][2] << 8 return self.buf[3][1] | self.buf[3][2] << 8
t -= 1 t -= 1
sleep_ms(1) sleep_ms(1)
raise OSError(uerrno.ETIMEDOUT) raise OSError(uerrno.ETIMEDOUT)