aboutsummaryrefslogtreecommitdiff
path: root/src/platforms/native/usbdfu.c
diff options
context:
space:
mode:
authorGareth McMullin2013-03-12 19:04:10 +1300
committerGareth McMullin2013-03-12 19:04:10 +1300
commit7c2e994381338d837fb928f8ef8019315e1baec9 (patch)
treeca9dfeda069cb2861785b5df8a2bc2dfff6b5771 /src/platforms/native/usbdfu.c
parent55f161208d7bc254aac943befff4ef1203fcb243 (diff)
Split out platform specific bootloader parts to separate files.
Diffstat (limited to 'src/platforms/native/usbdfu.c')
-rw-r--r--src/platforms/native/usbdfu.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/platforms/native/usbdfu.c b/src/platforms/native/usbdfu.c
new file mode 100644
index 0000000..35572a5
--- /dev/null
+++ b/src/platforms/native/usbdfu.c
@@ -0,0 +1,72 @@
+/*
+ * This file is part of the Black Magic Debug project.
+ *
+ * Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <libopencm3/cm3/systick.h>
+#include <libopencm3/stm32/rcc.h>
+#include <libopencm3/stm32/gpio.h>
+#include <libopencm3/cm3/scb.h>
+
+#include "usbdfu.h"
+
+void dfu_detach(void)
+{
+ /* USB device must detach, we just reset... */
+ scb_reset_system();
+}
+
+int main(void)
+{
+ /* Check the force bootloader pin*/
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+ if(gpio_get(GPIOB, GPIO12))
+ dfu_jump_app_if_valid();
+
+ dfu_protect_enable();
+
+ rcc_clock_setup_in_hse_8mhz_out_72mhz();
+ systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
+ systick_set_reload(900000);
+
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO8);
+
+ systick_interrupt_enable();
+ systick_counter_enable();
+
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO11);
+ gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
+ GPIO_CNF_INPUT_FLOAT, GPIO2 | GPIO10);
+
+ dfu_init(&stm32f103_usb_driver);
+
+ gpio_set(GPIOA, GPIO8);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
+
+ dfu_main();
+}
+
+void sys_tick_handler(void)
+{
+ gpio_toggle(GPIOB, GPIO11); /* LED2 on/off */
+}
+