diff options
Diffstat (limited to 'src/usbtrng')
| -rw-r--r-- | src/usbtrng/Makefile | 70 | ||||
| -rw-r--r-- | src/usbtrng/ao_pins.h | 73 | ||||
| -rw-r--r-- | src/usbtrng/ao_usbtrng.c | 63 | ||||
| -rw-r--r-- | src/usbtrng/flash-loader/Makefile | 8 | ||||
| -rw-r--r-- | src/usbtrng/flash-loader/ao_pins.h | 33 |
5 files changed, 247 insertions, 0 deletions
diff --git a/src/usbtrng/Makefile b/src/usbtrng/Makefile new file mode 100644 index 00000000..80e137e7 --- /dev/null +++ b/src/usbtrng/Makefile @@ -0,0 +1,70 @@ +# +# AltOS build +# +# + +include ../lpc/Makefile.defs + +INC = \ + ao.h \ + ao_arch.h \ + ao_arch_funcs.h \ + ao_pins.h \ + ao_product.h \ + lpc.h + +# +# Common AltOS sources +# +ALTOS_SRC = \ + ao_interrupt.c \ + ao_boot_chain.c \ + ao_romconfig.c \ + ao_product.c \ + ao_mutex.c \ + ao_panic.c \ + ao_stdio.c \ + ao_task.c \ + ao_cmd.c \ + ao_timer_lpc.c \ + ao_exti_lpc.c \ + ao_usb_lpc.c \ + ao_serial_lpc.c \ + ao_spi_lpc.c \ + ao_led_lpc.c + +PRODUCT=usbtrng-v0.1 +PRODUCT_DEF=-DUSBTRNG_V_0_1 +IDPRODUCT=0x0028 + +CFLAGS = $(PRODUCT_DEF) $(LPC_CFLAGS) -g -Os + +PROGNAME=usbtrng-v0.1 +PROG=$(PROGNAME)-$(VERSION).elf +HEX=$(PROGNAME)-$(VERSION).ihx + +SRC=$(ALTOS_SRC) ao_usbtrng.c +OBJ=$(SRC:.c=.o) + +all: $(PROG) $(HEX) + +$(PROG): Makefile $(OBJ) altos.ld + $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(LIBS) + +ao_product.h: ao-make-product.5c ../Version + $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@ + +$(OBJ): $(INC) + +load: $(PROG) + lpc-load $(PROG) + +distclean: clean + +clean: + rm -f *.o $(PROGNAME)-*.elf $(PROGNAME)-*.ihx + rm -f ao_product.h + +install: + +uninstall: diff --git a/src/usbtrng/ao_pins.h b/src/usbtrng/ao_pins.h new file mode 100644 index 00000000..b1fa6eb9 --- /dev/null +++ b/src/usbtrng/ao_pins.h @@ -0,0 +1,73 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#define HAS_BEEP 0 + +#define AO_STACK_SIZE 384 + +#define IS_FLASH_LOADER 0 + +/* Crystal on the board */ +#define AO_LPC_CLKIN 12000000 + +/* Main clock frequency. 48MHz for USB so we don't use the USB PLL */ +#define AO_LPC_CLKOUT 48000000 + +/* System clock frequency */ +#define AO_LPC_SYSCLK 24000000 + +#define HAS_USB 1 + +#define HAS_USB_CONNECT 0 +#define HAS_USB_VBUS 0 +#define HAS_USB_PULLUP 1 +#define AO_USB_PULLUP_PORT 0 +#define AO_USB_PULLUP_PIN 6 + +/* USART */ + +#define HAS_SERIAL 1 +#define USE_SERIAL_0_STDIN 0 +#define SERIAL_0_18_19 1 +#define SERIAL_0_14_15 0 +#define SERIAL_0_17_18 0 +#define SERIAL_0_26_27 0 + +/* SPI */ + +#define HAS_SPI_0 0 +#define SPI_SCK0_P0_6 0 +#define HAS_SPI_1 1 +#define SPI_SCK1_P1_15 0 +#define SPI_MISO1_P0_22 1 +#define SPI_MOSI1_P0_21 0 + +/* LED */ + +#define LED_PORT 0 +#define LED_PIN_RED 3 +#define LED_PIN_GREEN 21 +#define AO_LED_RED (1 << LED_PIN_RED) +#define AO_LED_GREEN (1 << LED_PIN_GREEN) + +#define LEDS_AVAILABLE (AO_LED_RED|AO_LED_GREEN) + +/* Kludge the SPI driver to not configure any + * pin for SCK or MOSI + */ +#define HAS_SCK1 0 +#define HAS_MOSI1 0 diff --git a/src/usbtrng/ao_usbtrng.c b/src/usbtrng/ao_usbtrng.c new file mode 100644 index 00000000..6b4d20fe --- /dev/null +++ b/src/usbtrng/ao_usbtrng.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2014 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> + +#define AO_TRNG_SPI_BUS 1 +#define AO_TRNG_SPI_SPEED AO_SPI_SPEED_250kHz + +static void +ao_trng_test(void) +{ + static uint8_t random[32]; + uint8_t i; + + ao_spi_get(AO_TRNG_SPI_BUS, AO_TRNG_SPI_SPEED); + ao_spi_recv(random, sizeof (random), AO_TRNG_SPI_BUS); + ao_spi_put(AO_TRNG_SPI_BUS); + for (i = 0; i < sizeof (random); i++) + printf (" %02x", random[i]); + printf ("\n"); +} + +static const struct ao_cmds ao_trng_cmds[] = { + { ao_trng_test, "R\0Dump some random numbers" }, + { 0, NULL } +}; + +void +main(void) +{ + ao_clock_init(); + ao_task_init(); + ao_timer_init(); + + ao_spi_init(); + ao_usb_init(); + + ao_serial_init(); + + ao_led_init(LEDS_AVAILABLE); + + ao_led_on(AO_LED_GREEN); + + ao_cmd_init(); + + ao_cmd_register(ao_trng_cmds); + + ao_start_scheduler(); +} diff --git a/src/usbtrng/flash-loader/Makefile b/src/usbtrng/flash-loader/Makefile new file mode 100644 index 00000000..e34f1089 --- /dev/null +++ b/src/usbtrng/flash-loader/Makefile @@ -0,0 +1,8 @@ +# +# AltOS flash loader build +# +# + +TOPDIR=../.. +HARDWARE=usbtrng-v0.1 +include $(TOPDIR)/lpc/Makefile-flash.defs diff --git a/src/usbtrng/flash-loader/ao_pins.h b/src/usbtrng/flash-loader/ao_pins.h new file mode 100644 index 00000000..a8046009 --- /dev/null +++ b/src/usbtrng/flash-loader/ao_pins.h @@ -0,0 +1,33 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_PINS_H_ +#define _AO_PINS_H_ + +#include <ao_flash_lpc_pins.h> + +#define AO_BOOT_PIN 1 +#define AO_BOOT_APPLICATION_GPIO 0 +#define AO_BOOT_APPLICATION_PIN 19 +#define AO_BOOT_APPLICATION_VALUE 1 +#define AO_BOOT_APPLICATION_MODE AO_EXTI_MODE_PULL_UP + +#define HAS_USB_PULLUP 1 +#define AO_USB_PULLUP_PORT 0 +#define AO_USB_PULLUP_PIN 6 + +#endif /* _AO_PINS_H_ */ |