X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/e2bf5f8c786162c4cff812cb3df607693862e9ec..8273fc6:/src/adafruit_blinka/microcontroller/pentium/n3710/pin.py

diff --git a/src/adafruit_blinka/microcontroller/pentium/n3710/pin.py b/src/adafruit_blinka/microcontroller/pentium/n3710/pin.py
index e01e4d4..3093a20 100644
--- a/src/adafruit_blinka/microcontroller/pentium/n3710/pin.py
+++ b/src/adafruit_blinka/microcontroller/pentium/n3710/pin.py
@@ -1,27 +1,30 @@
-"""Pentium N3710 (Braswell core SOC) pin names"""
+"""Pentium N3710 (Braswell core SOC) pin names
+   i2c and GPIO can be accessed through Blinka.
+   For i2c use IC20_SCL, IC20-SDA and IC21-SCL, IC21-SDA in the i2c(<sdl, sda>) calls.
+   For UART use pyserial"""
 from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
 
 # gpiochip3
-GPIO_243 = Pin((3,15))
-GPIO_246 = Pin((3,18))
-GPIO_247 = Pin((3,19))
-GPIO_249 = Pin((3,21))
-GPIO_250 = Pin((3,22))
-GPIO_253 = Pin((3,25))
-GPIO_273 = Pin((3,45))
-GPIO_275 = Pin((3,47))
-GPIO_276 = Pin((3,48))
-GPIO_278 = Pin((3,50))
-GPIO_279 = Pin((3,51))
-GPIO_280 = Pin((3,52))
-GPIO_307 = Pin((3,79))
-
-sdmmc2_D3 = GPIO_243 # SDIO_D3 on diagram
-sdmmc2_D1 = GPIO_246
-sdmmc2_CLK = GPIO_247
-sdmmc2_D2 = GPIO_249
-sdmmc2_CMD = GPIO_250
-sdmmc2_D0 = GPIO_253
+GPIO_243 = Pin((3, 15))
+GPIO_246 = Pin((3, 18))
+GPIO_247 = Pin((3, 19))
+GPIO_249 = Pin((3, 21))
+GPIO_250 = Pin((3, 22))
+GPIO_253 = Pin((3, 25))
+GPIO_273 = Pin((3, 45))
+GPIO_275 = Pin((3, 47))
+GPIO_276 = Pin((3, 48))
+GPIO_278 = Pin((3, 50))
+GPIO_279 = Pin((3, 51))
+GPIO_280 = Pin((3, 52))
+GPIO_307 = Pin((3, 79))
+
+SDIO_D3 = SDMMC2_D3 = GPIO_243
+SDIO_DI = SDMMC2_D1 = GPIO_246
+SDIO_CLK = SDMMC2_CLK = GPIO_247
+SDIO_D2 = SDMMC2_D2 = GPIO_249
+SDIO_CMD = SDMMC2_CMD = GPIO_250
+SDIO_D0 = SDMMC2_D0 = GPIO_253
 
 MF_LPC_AD2 = GPIO_273
 MF_LPC_AD0 = GPIO_275
@@ -32,30 +35,30 @@ MF_LPC_AD1 = GPIO_280
 ILB_SERIRQ = GPIO_307
 
 # ggpiochip1
-GPIO_358 = Pin((1,17))
+GPIO_358 = Pin((1, 17))
 GPIO_SUS3 = SDIO_WAKE = GPIO_358
 
 
 # gpiochip0
-GPIO_490 = Pin((0,76))
-GPIO_492 = Pin((0,78))
+GPIO_490 = Pin((0, 76))
+GPIO_492 = Pin((0, 78))
 
 SATA_GP1 = TS_INT = GPIO_490
-SATA_GP@ = TS_RST = GPIO_492
+SATA_GP2 = TS_RST = GPIO_492
 
 
 # not general gpio on chip 0
-# uarts
+# use pyserial not blinka.  These are only included for completeness
 
-UART1_RXD = Pin((0,16))
-UART1_TXD = Pin((0,20))
-UART1_RTS = Pin((0,15))
-UART1_CTS = Pin((0,18))
+UART1_RXD = Pin((0, 16))
+UART1_TXD = Pin((0, 20))
+UART1_RTS = Pin((0, 15))
+UART1_CTS = Pin((0, 18))
 
-UART2_RXD = Pin((0,17))
-UART2_TXD = Pin((0,21))
-UART2_RTS = Pin((0,19))
-UART2_CTS = Pin((0,22))
+UART2_RXD = Pin((0, 17))
+UART2_TXD = Pin((0, 21))
+UART2_RTS = Pin((0, 19))
+UART2_CTS = Pin((0, 22))
 
 GPIO_429 = UART1_RTS
 GPIO_430 = UART1_RXD
@@ -63,27 +66,21 @@ GPIO_431 = UART2_RXD
 GPIO_432 = UART1_CTS
 GPIO_434 = UART1_TXD
 GPIO_435 = UART2_TXD
-GPIO_436 = UART2_CTS 
+GPIO_436 = UART2_CTS
 
-#i2c 
-I2C0_SDA = Pin((0,61))
-I2C0_SCL = Pin((0,65))
+# i2c use these addresses when accessing i2c from Blinka.  You can also access
+# the i2c useing smbus
+I2C0_SDA = Pin((0, 61))  # IC21 on diagram, port 0 in hardware manual
+I2C0_SCL = Pin((0, 65))
 
-I2C1_SDA = TS_I2C_SDA = Pin((0,45)) # listed as port 5 on hardware manual
-I2C1_SCL = TS_I2C_SCL = Pin((0,48))
+I2C1_SDA = TS_I2C_SDA = Pin((0, 45))  # I2C2 on diagram, port 5 in hardware manual
+I2C1_SCL = TS_I2C_SCL = Pin((0, 48))
 
 
-GPIO_469 = I2C5_SDA #I2C2 on diagram
-GPIO_472 = I2C5_SCL 
-GPIO_475 = I2C0_SDA #I2C1 on diagram
+GPIO_469 = I2C1_SDA  # I2C2 on diagram
+GPIO_472 = I2C1_SCL
+GPIO_475 = I2C0_SDA  # I2C1 on diagram
 GPIO_479 = I2C0_SCL
 
-i2cPorts = (
-    (0, I2C0_SCL, I2C0_SDA),
-    (1, I2C1_SCL, I2C1_SDA),
-)
-
-# ordered as uartId, txId, rxId
-uartPorts = (
-    (1, UART1_TXD, UART1_RXD),
-    (2, UART2_TXD, UART2_RXD),
+# ordered as i2cId, sclId, sdaId
+i2cPorts = ((0, I2C0_SCL, I2C0_SDA), (1, I2C1_SCL, I2C1_SDA))