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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>
* ao-elftohex: Add conditions for skipping ELF sectionsKeith Packard2017-04-09
| | | | | | | | | Skip sections with size 0, or which are of type SHT_NOBITS or which don't have the SHF_ALLOC flag set. This avoids crashing on sections which don't have any data to copy. 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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* doc: Rename telemini doc file from telemini-v1.0.inc to telemini.incKeith Packard2017-03-05
| | | | | | This file now contains information on both TeleMini versions. Signed-off-by: Keith Packard <keithp@keithp.com>
* ao-tools/ao-flash-stm: Use openocd instead of st-utilsKeith Packard2017-03-05
| | | | | | | openocd upstream and debian package can both flash stm32l processors, so use that in preference to st-flash. Signed-off-by: Keith Packard <keithp@keithp.com>
* ao-tools/ao-flash-lpc: Adapt to current openocd LPC supportKeith Packard2017-03-02
| | | | | | | | | | | | | Openocd 0.9.0 has generalized the lpc11xx support for all lpc11xx processors, not just the lpc11u14. This replaces the specific lpc11u14.cfg with the general lpc11xx.cfg file. Unlike the build we were using, this doesn't adjust the 'verify' command to adapt for the checksum which gets added during the flashing process. Hence, we disable verification and trust that if the flash loader works to load the OS, it's fine. Signed-off-by: Keith Packard <keithp@keithp.com>
* telemini outline svg had wrong version numberKeith Packard2017-03-01
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* Add initial TeleMini v3 docsKeith Packard2017-03-01
| | | | | | Uses pictures of the prototype. Signed-off-by: Keith Packard <keithp@keithp.com>
* 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>
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