diff options
Diffstat (limited to 'src/usbtrng-v2.0')
| -rw-r--r-- | src/usbtrng-v2.0/.gitignore | 2 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/Makefile | 68 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/ao_pins.h | 63 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/ao_usbtrng.c | 93 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/flash-loader/.gitignore | 2 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/flash-loader/Makefile | 8 | ||||
| -rw-r--r-- | src/usbtrng-v2.0/flash-loader/ao_pins.h | 31 |
7 files changed, 267 insertions, 0 deletions
diff --git a/src/usbtrng-v2.0/.gitignore b/src/usbtrng-v2.0/.gitignore new file mode 100644 index 00000000..93b38d11 --- /dev/null +++ b/src/usbtrng-v2.0/.gitignore @@ -0,0 +1,2 @@ +ao_product.h +usbtrng-* diff --git a/src/usbtrng-v2.0/Makefile b/src/usbtrng-v2.0/Makefile new file mode 100644 index 00000000..abbdbbcc --- /dev/null +++ b/src/usbtrng-v2.0/Makefile @@ -0,0 +1,68 @@ +# +# AltOS build +# +# + +include ../stmf0/Makefile.defs + +INC = \ + ao.h \ + ao_arch.h \ + ao_arch_funcs.h \ + ao_pins.h \ + ao_product.h \ + ao_task.h \ + stm32f0.h + +# +# Common AltOS sources +# +ALTOS_SRC = \ + ao_interrupt.c \ + ao_timer.c \ + ao_panic.c \ + ao_mutex.c \ + ao_dma_stm.c \ + ao_adc_fast.c \ + ao_crc_stm.c \ + ao_stdio.c \ + ao_led.c \ + ao_romconfig.c \ + ao_boot_chain.c \ + ao_cmd.c \ + ao_usb_stm.c \ + ao_task.c \ + ao_product.c + +PRODUCT=usbtrng-v2.0 +PRODUCT_DEF=-DUSBTRNG_V_2_0 +IDPRODUCT=0x0028 + +CFLAGS = $(PRODUCT_DEF) $(STMF0_CFLAGS) -g -Os + +PROGNAME=usbtrng-v2.0 +PROG=$(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) + +distclean: clean + +clean: + rm -f *.o $(PROGNAME)-*.elf $(PROGNAME)-*.ihx + rm -f ao_product.h + +install: + +uninstall: diff --git a/src/usbtrng-v2.0/ao_pins.h b/src/usbtrng-v2.0/ao_pins.h new file mode 100644 index 00000000..23759444 --- /dev/null +++ b/src/usbtrng-v2.0/ao_pins.h @@ -0,0 +1,63 @@ +/* + * Copyright © 2015 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_ + +#define LED_PORT_ENABLE STM_RCC_AHBENR_IOPAEN +#define LED_PORT (&stm_gpioa) +#define LED_PIN_RED 2 +#define LED_PIN_GREEN 3 +#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) + +#define HAS_BEEP 0 + +/* 48MHz clock based on USB */ +#define AO_HSI48 1 + +/* HCLK = 48MHz */ +#define AO_AHB_PRESCALER 1 +#define AO_RCC_CFGR_HPRE_DIV STM_RCC_CFGR_HPRE_DIV_1 + +/* APB = 48MHz */ +#define AO_APB_PRESCALER 1 +#define AO_RCC_CFGR_PPRE_DIV STM_RCC_CFGR_PPRE_DIV_1 + +#define HAS_USB 1 +#define AO_USB_DIRECTIO 1 +#define AO_PA11_PA12_RMP 0 + +#define IS_FLASH_LOADER 0 + +/* ADC */ + +#define AO_ADC_PIN0_PORT (&stm_gpioa) +#define AO_ADC_PIN0_PIN 6 +#define AO_ADC_PIN0_CH 6 + +#define AO_ADC_RCC_AHBENR ((1 << STM_RCC_AHBENR_IOPAEN)) + +#define AO_NUM_ADC 1 + +/* CRC */ +#define AO_CRC_WIDTH 32 +#define AO_CRC_INIT 0xffffffff + +#endif /* _AO_PINS_H_ */ diff --git a/src/usbtrng-v2.0/ao_usbtrng.c b/src/usbtrng-v2.0/ao_usbtrng.c new file mode 100644 index 00000000..e1f43cdd --- /dev/null +++ b/src/usbtrng-v2.0/ao_usbtrng.c @@ -0,0 +1,93 @@ +/* + * 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> +#include <ao_adc_fast.h> +#include <ao_crc.h> + +static void +ao_trng_fetch(void) +{ + static uint16_t *buffer[2]; + uint32_t kbytes = 1; + uint32_t count; + int usb_buf_id; + int i; + uint16_t *buf; + uint32_t *rnd; + + if (!buffer[0]) { + buffer[0] = ao_usb_alloc(); + buffer[1] = ao_usb_alloc(); + if (!buffer[0]) + return; + } + + ao_cmd_decimal(); + if (ao_cmd_status == ao_cmd_success) + kbytes = ao_cmd_lex_u32; + else + ao_cmd_status = ao_cmd_success; + usb_buf_id = 0; + count = kbytes * (1024/AO_USB_IN_SIZE); + + ao_crc_reset(); + + ao_led_on(AO_LED_GREEN); + while (count--) { + buf = buffer[usb_buf_id]; +// printf ("before get: head %3d tail %3d running %d\n", ao_adc_ring_head, ao_adc_ring_tail, ao_adc_running); flush(); + rnd = (uint32_t *) ao_adc_get(AO_USB_IN_SIZE); /* one 16-bit value per output byte */ +// printf ("after get: head %3d tail %3d running %d\n", ao_adc_ring_head, ao_adc_ring_tail, ao_adc_running); flush(); + for (i = 0; i < 32; i++) + *buf++ = ao_crc_in_32_out_16(*rnd++); + ao_adc_ack(AO_USB_IN_SIZE); +// printf ("after ack: head %3d tail %3d running %d\n", ao_adc_ring_head, ao_adc_ring_tail, ao_adc_running); flush(); + ao_led_toggle(AO_LED_GREEN|AO_LED_RED); + ao_usb_write(buffer[usb_buf_id], AO_USB_IN_SIZE); + ao_led_toggle(AO_LED_GREEN|AO_LED_RED); + usb_buf_id = 1-usb_buf_id; + } + ao_led_off(AO_LED_GREEN|AO_LED_RED); + flush(); +} + +static const struct ao_cmds usbtrng_cmds[] = { + { ao_trng_fetch, "f <kbytes>\0Fetch a block of numbers" }, + { 0, NULL }, +}; + +void main(void) +{ + ao_led_init(LEDS_AVAILABLE); + ao_led_on(AO_LED_RED); + ao_clock_init(); + ao_task_init(); + ao_timer_init(); + ao_dma_init(); + ao_adc_init(); + ao_crc_init(); + + ao_cmd_init(); + + ao_usb_init(); + + ao_cmd_register(usbtrng_cmds); + ao_led_off(AO_LED_RED); + + ao_start_scheduler(); +} diff --git a/src/usbtrng-v2.0/flash-loader/.gitignore b/src/usbtrng-v2.0/flash-loader/.gitignore new file mode 100644 index 00000000..32dbbbcf --- /dev/null +++ b/src/usbtrng-v2.0/flash-loader/.gitignore @@ -0,0 +1,2 @@ +ao_product.h +usbtrng* diff --git a/src/usbtrng-v2.0/flash-loader/Makefile b/src/usbtrng-v2.0/flash-loader/Makefile new file mode 100644 index 00000000..a2bf199f --- /dev/null +++ b/src/usbtrng-v2.0/flash-loader/Makefile @@ -0,0 +1,8 @@ +# +# AltOS flash loader build +# +# + +TOPDIR=../.. +HARDWARE=usbtrng-v2.0 +include $(TOPDIR)/stmf0/Makefile-flash.defs diff --git a/src/usbtrng-v2.0/flash-loader/ao_pins.h b/src/usbtrng-v2.0/flash-loader/ao_pins.h new file mode 100644 index 00000000..9fa8b715 --- /dev/null +++ b/src/usbtrng-v2.0/flash-loader/ao_pins.h @@ -0,0 +1,31 @@ +/* + * 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_stm_pins.h> + +/* Red LED */ + +#define AO_BOOT_PIN 1 +#define AO_BOOT_APPLICATION_GPIO stm_gpioa +#define AO_BOOT_APPLICATION_PIN 2 +#define AO_BOOT_APPLICATION_VALUE 0 +#define AO_BOOT_APPLICATION_MODE AO_EXTI_MODE_PULL_DOWN + +#endif /* _AO_PINS_H_ */ |