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authorGareth McMullin2012-06-10 19:02:58 +1200
committerGareth McMullin2012-06-10 19:06:37 +1200
commit54f4467c0f9d910517140adae385f4c4f386fafc (patch)
tree072ec4583bbccdec9d18f7fcccf9ad45b03cfcb6 /src/platforms/stlink/platform.c
parent89bcdcc60ab5e3c35e99c4f2cc7d052e831cc563 (diff)
Added stlink platform for Discovery boards and ST's ST-Link hardware.
Diffstat (limited to 'src/platforms/stlink/platform.c')
-rw-r--r--src/platforms/stlink/platform.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/platforms/stlink/platform.c b/src/platforms/stlink/platform.c
new file mode 100644
index 0000000..777db95
--- /dev/null
+++ b/src/platforms/stlink/platform.c
@@ -0,0 +1,96 @@
+/*
+ * This file is part of the Black Magic Debug project.
+ *
+ * Copyright (C) 2011 Black Sphere Technologies Ltd.
+ * Written by 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/>.
+ */
+
+/* This file implements the platform specific functions for the ST-Link
+ * implementation.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/systick.h>
+#include <libopencm3/stm32/f1/scb.h>
+#include <libopencm3/stm32/nvic.h>
+#include <libopencm3/stm32/usart.h>
+#include <libopencm3/usb/usbd.h>
+#include <libopencm3/stm32/f1/adc.h>
+
+#include "platform.h"
+#include "jtag_scan.h"
+
+#include <ctype.h>
+
+uint8_t running_status;
+volatile uint32_t timeout_counter;
+
+jmp_buf fatal_error_jmpbuf;
+
+int platform_init(void)
+{
+ rcc_clock_setup_in_hse_8mhz_out_72mhz();
+
+ /* Enable peripherals */
+ rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Setup GPIO ports */
+ gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN);
+ gpio_set_mode(TCK_PORT, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, TCK_PIN);
+ gpio_set_mode(TDI_PORT, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, TDI_PIN);
+
+ gpio_set_mode(LED_PORT, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, LED_IDLE_RUN);
+
+ /* Setup heartbeat timer */
+ systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
+ systick_set_reload(900000); /* Interrupt us at 10 Hz */
+ systick_interrupt_enable();
+ systick_counter_enable();
+
+ cdcacm_init();
+
+ jtag_scan();
+
+ return 0;
+}
+
+void sys_tick_handler(void)
+{
+ if(running_status)
+ gpio_toggle(LED_PORT, LED_IDLE_RUN);
+
+ if(timeout_counter)
+ timeout_counter--;
+}
+
+const char *morse_msg;
+
+void morse(const char *msg, char repeat)
+{
+ (void)repeat;
+ morse_msg = msg;
+}
+
+const char *platform_target_voltage(void)
+{
+ return "unknown";
+}