From: Melissa LeBlanc-Williams <melissa@adafruit.com>
Date: Wed, 22 Jan 2020 18:18:14 +0000 (-0800)
Subject: Merge pull request #220 from makermelissa/sifive
X-Git-Tag: 3.7.0
X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/commitdiff_plain/5729000108ee73cc943431e46b5e9c3212dcb4f0?hp=c723c064abfd2439079f5f3b5f42bc10a513e2b7

Merge pull request #220 from makermelissa/sifive

Partial work for adding hifive unleashed to Blinka (Second Attempt)
---

diff --git a/src/adafruit_blinka/board/hifive_unleashed.py b/src/adafruit_blinka/board/hifive_unleashed.py
new file mode 100644
index 0000000..7be1ca8
--- /dev/null
+++ b/src/adafruit_blinka/board/hifive_unleashed.py
@@ -0,0 +1,38 @@
+"""Pin definitions for the Hifive Unleashed."""
+
+from adafruit_blinka.microcontroller.hfu540 import pin
+
+GPIO_A = pin.GPIO0
+GPIO_B = pin.GPIO1
+GPIO_C = pin.GPIO2
+GPIO_D = pin.GPIO3
+GPIO_E = pin.GPIO4
+GPIO_F = pin.GPIO5
+GPIO_G = pin.GPIO6
+GPIO_H = pin.GPIO7
+GPIO_I = pin.GPIO8
+GPIO_J = pin.GPIO9
+GPIO_K = pin.GPIO15
+
+UART0_TXD  = pin.UART0_TXD 
+UART0_RXD  = pin.UART0_RXD   
+SPI0_SCLK  = pin.SPI0_SCLK  
+SPI0_DIN   = pin.SPI0_DIN   
+UART1_TXD  = pin.UART1_TXD  
+SPI0_CS    = pin.SPI0_CS    
+UART1_RXD  = pin.UART1_RXD  
+SPIO0_DOUT = pin.SPIO0_DOUT 
+I2C0_SCL   = pin.I2C0_SCL   
+I2C0_SDA   = pin.I2C0_SDA   
+
+SDA = pin.I2C0_SDA
+SCL = pin.I2C0_SCL
+
+I2C0_SDA = pin.I2C0_SDA
+I2C0_SCL = pin.I2C0_SCL
+
+SCLK = pin.SPI0_SCLK
+MOSI = pin.SPI0_DOUT
+MISO = pin.SPI0_DIN
+SPI_CS = pin.SPI0_CS
+
diff --git a/src/adafruit_blinka/microcontroller/hfu540/__init__.py b/src/adafruit_blinka/microcontroller/hfu540/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/adafruit_blinka/microcontroller/hfu540/pin.py b/src/adafruit_blinka/microcontroller/hfu540/pin.py
new file mode 100644
index 0000000..985d429
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/hfu540/pin.py
@@ -0,0 +1,38 @@
+"""Hifive Unleashed pin names"""
+
+from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
+
+UART0_TXD = Pin(5)
+UART0_RXD = Pin(7)
+SPI0_SCLK = Pin(8)
+SPI0_DIN  = Pin(10)
+UART1_TXD = Pin(11)
+SPI0_CS   = Pin(12)
+UART1_RXD = Pin(13)
+SPIO0_DOUT = Pin(14)
+I2C0_SCL = Pin(15)
+I2C0_SDA = Pin(17)
+GPIO0 = Pin(23)
+GPIO1 = Pin(24)
+GPIO2 = Pin(25)
+GPIO3 = Pin(26)
+GPIO4 = Pin(27)
+GPIO5 = Pin(28)
+GPIO6 = Pin(29)
+GPIO7 = Pin(30)
+GPIO8 = Pin(31)
+GPIO9 = Pin(32)
+GPIO15 = Pin(33)
+
+# ordered as spiId, sckId, mosiId, misoId
+SPI_PORTS = ((1, SPI0_SCLK, SPI0_DOUT, SPI0_DIN))
+
+# ordered as uartId, txId, rxId
+UART_PORTS = (
+    (0, UART0_TXD, UART0_RXD),
+    # (0, GPIO15, GPIO13)
+    (1, UART1_TXD, UART1_RXD))
+
+# ordered as spiId, spiSCA, spiSCL 
+I2C_PORTS = (
+    (0, I2C0_SCA, I2C0_SCL))
diff --git a/src/board.py b/src/board.py
index 99a1fb3..5f66cf8 100755
--- a/src/board.py
+++ b/src/board.py
@@ -124,6 +124,9 @@ elif board_id == ap_board.BINHO_NOVA:
 elif board_id == ap_board.MICROCHIP_MCP2221:
     from adafruit_blinka.board.microchip_mcp2221 import *
 
+elif board_id == ap_board.SIFIVE_UNLEASHED:
+    from adafruit_blinka.board.hifive_unleashed import *
+
 elif board_id == ap_board.PINE64:
     from adafruit_blinka.board.pine64 import *
 
diff --git a/src/busio.py b/src/busio.py
index 4708e78..79e9882 100755
--- a/src/busio.py
+++ b/src/busio.py
@@ -156,6 +156,9 @@ class SPI(Lockable):
         elif board_id == ap_board.JETSON_XAVIER:
             from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
             from adafruit_blinka.microcontroller.tegra.t194.pin import Pin
+        elif detector.board.SIFIVE_UNLEASHED:
+            from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+            from adafruit_blinka.microcontroller.hfu540.pin import Pin
         elif detector.board.ftdi_ft232h:
             from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
             from adafruit_blinka.microcontroller.ft232h.pin import Pin
diff --git a/src/digitalio.py b/src/digitalio.py
index 51c729e..29b77a1 100755
--- a/src/digitalio.py
+++ b/src/digitalio.py
@@ -33,6 +33,8 @@ elif detector.chip.APQ8016:
     from adafruit_blinka.microcontroller.snapdragon.apq8016.pin import Pin
 elif detector.chip.IMX8MX:
     from adafruit_blinka.microcontroller.nxp_imx8m.pin import Pin
+elif detector.chip.HFU540:
+    from adafruit_blinka.microcontroller.hfu540.pin import Pin
 elif detector.chip.A64:
     from adafruit_blinka.microcontroller.allwinner.a64.pin import Pin
 elif detector.board.ftdi_ft232h:
diff --git a/src/microcontroller/__init__.py b/src/microcontroller/__init__.py
index 538f66c..108d527 100755
--- a/src/microcontroller/__init__.py
+++ b/src/microcontroller/__init__.py
@@ -52,6 +52,8 @@ elif chip_id == ap_chip.A64:
     from adafruit_blinka.microcontroller.allwinner.a64.pin import *
 elif chip_id == ap_chip.IMX8MX:
     from adafruit_blinka.microcontroller.nxp_imx8m import *
+elif chip_id == ap_chip.HFU540:
+    from adafruit_blinka.microcontroller.hfu540.pin import *
 elif chip_id == ap_chip.BINHO:
     from adafruit_blinka.microcontroller.nova import *
 elif chip_id == ap_chip.MIPS24KC:
diff --git a/src/microcontroller/pin.py b/src/microcontroller/pin.py
index 6c1fe7d..e71dd2a 100755
--- a/src/microcontroller/pin.py
+++ b/src/microcontroller/pin.py
@@ -32,6 +32,8 @@ elif chip_id == ap_chip.APQ8016:
     from adafruit_blinka.microcontroller.snapdragon.apq8016.pin import *
 elif chip_id == ap_chip.IMX8MX:
     from adafruit_blinka.microcontroller.nxp_imx8m.pin import *
+elif chip_id == ap_chip.HFU540:
+    from adafruit_blinka.microcontroller.hfu540.pin import *
 elif chip_id == ap_chip.FT232H:
     from adafruit_blinka.microcontroller.ft232h.pin import *
 elif chip_id == ap_chip.BINHO: