Jared Boone jboone
jboone
/ gist:2728082
Created
May 18, 2012 23:20
First hacked-up attempt at high-speed USB bulk transfers to LPC43xx microcontroller
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <libusb.h> | |
| bool read_file_to_buffer(const char* const filename, uint8_t* const buffer, uint32_t buffer_size) { | |
| memset(buffer, 0x69, buffer_size); | |
| FILE* f = fopen(filename, "rb"); | |
| if( f == NULL ) { |
jboone
/ lsusb -v of Jellybean
Created
May 18, 2012 23:46
First hacked-up attempt at high-speed USB bulk transfers to LPC43xx microcontroller
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <libusb.h> | |
| bool read_file_to_buffer(const char* const filename, uint8_t* const buffer, uint32_t buffer_size) { | |
| memset(buffer, 0x69, buffer_size); | |
| FILE* f = fopen(filename, "rb"); | |
| if( f == NULL ) { |
jboone
/ kicad-boost-polygon-sort-adaptor.patch
Created
May 21, 2012 16:51
KiCAD and wxWidgets patches to build on Mac OS X and add my hacked-in "magnify" touchpad support
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| === modified file 'include/boost/polygon/polygon.hpp' | |
| --- include/boost/polygon/polygon.hpp 2012-05-16 01:42:04 +0000 | |
| +++ include/boost/polygon/polygon.hpp 2012-05-21 06:11:22 +0000 | |
| @@ -23,6 +23,7 @@ | |
| #include "transform.hpp" | |
| #include "detail/transform_detail.hpp" | |
| +#include "detail/polygon_sort_adaptor.hpp" | |
| //interval |
jboone
/ bit_band_peripheral.c
Created
June 5, 2012 18:43
LPC43xx code for configuring Si5351 and internal clock tree.
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| volatile uint_fast8_t* peripheral_bitband_address(volatile void* const address, const uint_fast8_t bit_number) { | |
| const uint32_t bit_band_base = 0x42000000; | |
| const uint32_t byte_offset = (uint32_t)address - 0x40000000; | |
| const uint32_t bit_word_offset = (byte_offset * 32) + (bit_number * 4); | |
| const uint32_t bit_word_address = bit_band_base + bit_word_offset; | |
| return (volatile uint_fast8_t*)bit_word_address; | |
| } | |
| void peripheral_bitband_set(volatile void* const peripheral_address, const uint_fast8_t bit_number) { | |
| volatile uint_fast8_t* const bitband_address = peripheral_bitband_address(peripheral_address, bit_number); |
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| void sgpio_irqhandler() { | |
| SGPIO_CLR_STATUS_1 = 0xFFFFFFFF; | |
| uint32_t* const p32 = &usb_bulk_buffer[buffer_offset]; | |
| volatile const uint32_t* const sgpio_reg_ss_base = SGPIO_PORT_BASE + 0x100; | |
| p32[7] = SGPIO_REG_SS(SGPIO_SLICE_A); | |
| p32[6] = SGPIO_REG_SS(SGPIO_SLICE_I); | |
| p32[5] = SGPIO_REG_SS(SGPIO_SLICE_E); | |
| p32[4] = SGPIO_REG_SS(SGPIO_SLICE_J); |
jboone
/ gist:5326952
Last active
December 15, 2015 21:39
Altera Quartus II barf. Not sure which pins to move where...
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| Error (169015): Cannot place pin mem_dqs[3] to location AE18 | |
| Error (169223): Can't place VREF pin Y17 (VREFGROUP_B4_N2) for pin mem_dqs[3] of type bi-directional with SSTL-18 Class I I/O standard at location AE18 | |
| Error (169224): Too many output and bidirectional pins per VCCIO and ground pair in I/O bank 4 when the VREF pin Y17 (VREFGROUP_B4_N2) is used on device EP4CE30F29C8 -- no more than 9 output/bidirectional pins within 12 consecutive pads are allowed when the voltage reference pins are driving in, but there are potentially 10 pins driving out | |
| Info (169220): Location AE16 (pad PAD_221): Pin mem_a[15] of type output uses SSTL-18 Class I I/O standard | |
| Info (169220): Location AH19 (pad PAD_225): Pin mem_dm[3] of type output uses SSTL-18 Class I I/O standard | |
| Info (169220): Location AF18 (pad PAD_227): Pin mem_a[2] of type output uses SSTL-18 Class I I/O standard | |
| Info (169220): Location AC17 (pad PAD_231): Pin mem_a[14] of type output uses SSTL-18 Class I I/O standard | |
| Info (169225): Followin |
jboone
/ gist:5570497
Created
May 13, 2013 18:50
Arduino sketch to manipulate Noritake Graphic DMA parallel interface.
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| const int pin_led = 13; | |
| const int pin_wr = 8; | |
| const int pin_rdy = 9; | |
| void write_byte(const uint8_t c) { | |
| while( (PINB & 2) == 0 ); | |
| PORTB &= 0xfe; // /WR=0 | |
| PORTD = c; | |
| PORTB |= 0x01; // /WR=1 |
jboone
/ gist:5881987
Last active
December 19, 2015 02:19
LPC43xx code for GPIO pin interrupts, ripped from the quadrature encoder code of my HackRF spectrum analyzer. (I should clean up that code and post it someday...)
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| // Pin configuration. | |
| scu_pinmux(SCU_SD_CD, SCU_GPIO_PUP | SCU_CONF_FUNCTION0); | |
| scu_pinmux(SCU_SD_DAT3, SCU_GPIO_PUP | SCU_CONF_FUNCTION0); | |
| SCU_PINTSEL0 = | |
| (1 << 13) | // GPIO1[6] | |
| (6 << 8) | | |
| (1 << 5) | // GPIO1[5] | |
| (5 << 0) | |
| ; |
jboone
/ gist:6050693
Created
July 22, 2013 01:13
Pings from host on PHY0, captured from RXD when RX_DV valid.
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| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555555555dffffffffffff4d491ab88400806000108000604000104d491ab884000c8a10200000000000000c8a1030000000000000000000000000000000000000036d3177 | |
| 555555555 |
jboone
/ gist:6262845
Created
August 18, 2013 17:27
My BeagleBone audio cape is now showing up in the Linux kernel's dmesg output, under control of bone-capemgr. W00t!
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| [ 1.609911] bone-capemgr bone_capemgr.9: Baseboard: 'A335BNLT,0A5A,1613BBBK3540' | |
| [ 1.617713] bone-capemgr bone_capemgr.9: compatible-baseboard=ti,beaglebone-black | |
| [ 1.656793] bone-capemgr bone_capemgr.9: slot #0: No cape found | |
| [ 1.693899] bone-capemgr bone_capemgr.9: slot #1: No cape found | |
| [ 1.731008] bone-capemgr bone_capemgr.9: slot #2: No cape found | |
| [ 1.761297] bone-capemgr bone_capemgr.9: slot #3: 'Howler Audio Cape,0000,ShareBrained,HOWLER-20130530' | |
| [ 1.771303] bone-capemgr bone_capemgr.9: slot #4: specific override | |
| [ 1.777909] bone-capemgr bone_capemgr.9: bone: Using override eeprom data at slot 4 | |
| [ 1.785945] bone-capemgr bone_capemgr.9: slot #4: 'Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G' | |
| [ 1.796083] bone-capemgr bone_capemgr.9: slot #5: specific override |
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