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* altos: Use MP switch in cortexelf boot loader for force loader modeKeith Packard2017-04-09
| | | | | | | Provide a way to get to the boot loader on the cortexelf board by turning the MP switch on. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Escape lisp REP loop with () inputKeith Packard2017-04-09
| | | | | | | Provide a way to get out of a lisp read-eval-print loop that can be easily input from the keyboard. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Document a few more SPI mode bits in VGA driverKeith Packard2017-04-09
| | | | | | Just comment changes Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Drive row low instead of high in matrix driverKeith Packard2017-04-09
| | | | | | Driving it high won't work all that well as we're looking for zero bits. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Place AS1107 in 'normal' mode at end of init sequenceKeith Packard2017-04-09
| | | | | | | This makes sure the device is out of reset mode while initializing, and then placed in normal mode to turn on the display. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: More 1802 noodlingKeith Packard2017-04-04
| | | | | | | Add code to track the address and data displays, change how 1802 pin tracking works Signed-off-by: Keith Packard <keithp@keithp.com>
* stm: Add more mask-based GPIO controlsKeith Packard2017-04-04
| | | | | | | Lets cortexelf do more things with groups of pins, rather than one pin at a time. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Allow programs to enable SDCARD debugging if desiredKeith Packard2017-04-04
| | | | | | Provides for per-application control over SDCARD debugging Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Disable FAT commands unless requestedKeith Packard2017-04-04
| | | | | | This are debugging commands; don't provide them unless requested Signed-off-by: Keith Packard <keithp@keithp.com>
* telegps-v0.1: Hack up for SDCARD debuggingKeith Packard2017-04-04
| | | | | | Disable everything not SDCARD related for debugging. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Define CC115L spi speed in each productKeith Packard2017-04-04
| | | | | | | Different SoCs have different SPI speeds available; have each product specify the speed to use instead of trying to use 4Mhz everywhere. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Add pin definitions for 1802 connectionsKeith Packard2017-04-03
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* stm: Add a few more GPIO functions to make dealing with the 1802 easierKeith Packard2017-04-03
| | | | | | ao_gpio_set_mask and ao_gpio_get_all Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Make bit flipping array constantKeith Packard2017-04-03
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: doodling with 1802 bitsKeith Packard2017-04-03
| | | | | | Just some random ideas about how to manage the 1802 Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Add bit flipping array generatorKeith Packard2017-04-02
| | | | | | | Someone hooked up the data lines between the systems backwards, so we get to swizzle the bits in software. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Hook up hex keypad using matrix input driverKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Allow buttons to be high when pressed rather than lowKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: add button matrix driverKeith Packard2017-04-02
| | | | | | Scans the matrix once per clock tick queuing events for changed keys. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Hook up AS1107 in test modeKeith Packard2017-04-02
| | | | | | Provide a 'L' command to display values Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add AS1107 LED display driverKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Add buttonsKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Add serialblather command.Keith Packard2017-04-02
| | | | | | This reads from stdin and dumps it to both serial ports until you type ~ Signed-off-by: Keith Packard <keithp@keithp.com>
* lisp: Fix up lisp build so projects can get ao_lisp_const.h built as neededKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* stm: Use common flash wait loop instead of inliningKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf: Add lisp interpreterKeith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Use new memory map to access all flash and ram. Add fat.Keith Packard2017-04-02
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Hook up serial consoles for debuggingKeith Packard2017-04-02
| | | | | | This will make playing with serial ports easier for now. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Fix clock to drive VGA at 640/480. Add sdcard, remove othersKeith Packard2017-04-02
| | | | | | VGA requires the CPU to run at 24MHz. Signed-off-by: Keith Packard <keithp@keithp.com>
* cortexelf-v1: Add ps/2 and vga with graphicsKeith Packard2017-04-02
| | | | | | Start hooking up devices with known drivers. Signed-off-by: Keith Packard <keithp@keithp.com>
* capture pnpservo makefiles tooBdale Garbee2017-04-02
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* makefiles tooBdale Garbee2017-04-02
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* initial skeleton of CortexELF supportBdale Garbee2017-04-02
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* first rough cut at skeleton of code for pnpservo .. altos boots and runsBdale Garbee2017-04-01
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* altos/nucleo-32: Update lisp files, add beeper supportKeith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/lisp: Not quite ready to start making it look like scheme yetKeith Packard2017-02-20
| | | | | | Lots more code to write before these symbols can be exposed. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stmf0: Support timer 2/3 for the beeperKeith Packard2017-02-20
| | | | | | Tested on timer 2, all four channels. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stmf0: Support tim1 beeper channel other than 3Keith Packard2017-02-20
| | | | | | ch1 was broken and ch2 didn't have any code at all. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/telemini-v3.0: Add beeper defines needed for more general beeper codeKeith Packard2017-02-20
| | | | | | The beeper code now wants to know which timer, port and pin are in use. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add stm-vga demo projectKeith Packard2017-02-20
| | | | | | Uses the VGA and PS/2 drivers to provide an interactive console. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stm: Add draw and lisp to make search paths.Keith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add console driver using VGA and PS/2Keith Packard2017-02-20
| | | | | | Provides an interactive text console. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add PS/2 keyboard driverKeith Packard2017-02-20
| | | | | | Interrupt driven, includes standard US keymap. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add VGA driver for STM32L processorsKeith Packard2017-02-20
| | | | | | | Generates vsync/hsync using timers and pixel data using the SPI port. 320x240 video using 640x480 mode and a 24MHz "pixel" clock. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add bitmap drawing codeKeith Packard2017-02-20
| | | | | | Includes solid fills, text and lines. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stm: Add nvic priority register fields. Add more TIM234 defines.Keith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stm: Make i2c code handle PCLK1 of 24MHzKeith Packard2017-02-20
| | | | | | Just adds the necessary defines to the code. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/stm: Allow DMA channels to be hijacked by other codeKeith Packard2017-02-20
| | | | | | | This lets code which needs finer control over DMA to use the channel without interference, and leaves the DMA engine running so that it can. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Allow for console to be used for stdioKeith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/avr: Avoid warning about unused args in stdio_put and stdio_getKeith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
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