spi_software: Implementation of software spi

Signed-off-by: Matt Janus <FragginRight@variabl.es>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 33 insertions, 1 deletions

diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index 987d5296..fc439f3a 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -680,6 +680,13 @@
 #   The pin corresponding to the AD5206 chip select line. This pin
 #   will be set to low at the start of SPI messages and raised to high
 #   after the message completes. This parameter must be provided.
+#spi_bus:
+#spi_speed:
+#spi_software_sclk_pin:
+#spi_software_mosi_pin:
+#spi_software_miso_pin:
+#   These optional parameters allow one to customize the SPI settings
+#   used to communicate with the chip.
 #channel_1:
 #channel_2:
 #channel_3:
@@ -787,6 +794,13 @@
 #   The pin corresponding to the TMC2130 chip select line. This pin
 #   will be set to low at the start of SPI messages and raised to high
 #   after the message completes. This parameter must be provided.
+#spi_bus:
+#spi_speed:
+#spi_software_sclk_pin:
+#spi_software_mosi_pin:
+#spi_software_miso_pin:
+#   These optional parameters allow one to customize the SPI settings
+#   used to communicate with the chip.
 #microsteps:
 #   The number of microsteps to configure the driver to use. Valid
 #   values are 1, 2, 4, 8, 16, 32, 64, 128, 256. This parameter must
@@ -908,6 +922,11 @@
 #spi_speed: 2000000
 #   SPI bus frequency used to communicate with the TMC2660 stepper
 #   driver. The default is 2000000.
+#spi_software_sclk_pin:
+#spi_software_mosi_pin:
+#spi_software_miso_pin:
+#   These optional parameters allow one to customize the SPI settings
+#   used to communicate with the chip.
 #microsteps:
 #   The number of microsteps to configure the driver to use. Valid
 #   values are 1, 2, 4, 8, 16, 32, 64, 128, 256. This parameter must
@@ -1043,8 +1062,15 @@
 #   provided when using an uc1701 display.
 #cs_pin:
 #dc_pin:
+#spi_bus:
+#spi_speed:
+#spi_software_sclk_pin:
+#spi_software_mosi_pin:
+#spi_software_miso_pin:
 #   The pins connected to an ssd1306 type lcd when in "4-wire" spi
-#   mode. The default is to use i2c mode for ssd1306 displays.
+#   mode. The parameters that start with "spi_" are optional and they
+#   control the spi settings used to communicate with the chip. The
+#   default is to use i2c mode for ssd1306 displays.
 #menu_root:
 #   Entry point for menu, root menu container name. If this parameter
 #   is not provided then default menu root is used. When provided
@@ -1140,6 +1166,12 @@
 #spi_speed: 4000000
 #   The SPI speed (in hz) to use when communicating with the chip.
 #   The default is 4000000.
+#spi_bus:
+#spi_software_sclk_pin:
+#spi_software_mosi_pin:
+#spi_software_miso_pin:
+#   These optional parameters allow one to customize the SPI settings
+#   used to communicate with the chip.
 #sensor_pin:
 #   The chip select line for the sensor chip. This parameter must be
 #   provided.