adding dependencies

2022-10-10 12:39:30 +01:00
parent 0e8e1e4db6
commit 2327ae7aab
867 changed files with 137599 additions and 0 deletions
@@ -0,0 +1,81 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2015 Karl Palsson <karlp@tweak.net.au>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* "generic" could be any L1 board, but this file is pre-configured for the
+ * libopencm3-tests "hw1" board, with an stm32l151c8-A part.
+ */
+
+#include <libopencm3/cm3/nvic.h>
+#include <libopencm3/stm32/gpio.h>
+#include <libopencm3/stm32/flash.h>
+#include <libopencm3/stm32/rcc.h>
+#include <libopencm3/stm32/syscfg.h>
+
+#include <stdio.h>
+#include "usb-gadget0.h"
+
+#define ER_DEBUG
+#ifdef ER_DEBUG
+#define ER_DPRINTF(fmt, ...) \
+	do { printf(fmt, ## __VA_ARGS__); } while (0)
+#else
+#define ER_DPRINTF(fmt, ...) \
+	do { } while (0)
+#endif
+
+const struct rcc_clock_scale this_clock_config = {
+		/* 32MHz PLL from 16MHz HSE, 96MHz for USB on PLL VCO out */
+		.pll_source = RCC_CFGR_PLLSRC_HSE_CLK,
+		.pll_mul = RCC_CFGR_PLLMUL_MUL6,
+		.pll_div = RCC_CFGR_PLLDIV_DIV3,
+		.hpre = RCC_CFGR_HPRE_SYSCLK_NODIV,
+		.ppre1 = RCC_CFGR_PPRE1_HCLK_NODIV,
+		.ppre2 = RCC_CFGR_PPRE2_HCLK_NODIV,
+		.voltage_scale = PWR_SCALE1,
+		.flash_waitstates = 1,
+		.ahb_frequency = 32000000,
+		.apb1_frequency = 32000000,
+		.apb2_frequency = 32000000,
+	};
+
+
+int main(void)
+{
+	rcc_periph_clock_enable(RCC_GPIOB);
+	gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO8|GPIO9);
+	gpio_set(GPIOB, GPIO8);
+	rcc_clock_setup_pll(&this_clock_config);
+
+	/* Enable built in USB pullup on L1 */
+	rcc_periph_clock_enable(RCC_SYSCFG);
+	SYSCFG_PMC |= SYSCFG_PMC_USB_PU;
+
+	usbd_device *usbd_dev = gadget0_init(&st_usbfs_v1_usb_driver,
+					     "stm32l1-generic");
+
+	ER_DPRINTF("bootup complete\n");
+	gpio_clear(GPIOB, GPIO8);
+	while (1) {
+		gpio_set(GPIOB, GPIO9);
+		gadget0_run(usbd_dev);
+		gpio_clear(GPIOB, GPIO9);
+	}
+
+}
+