1 files changed, 82 insertions, 0 deletions
diff --git a/wirish/wirish.cpp b/wirish/wirish.cpp
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+++ b/wirish/wirish.cpp
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+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @brief generic maple board bring up:
+ *
+ * By default, we bring up all maple boards running on the stm32 to 72mhz,
+ * clocked off the PLL, driven by the 8MHz external crystal.
+ *
+ * AHB and APB2 are clocked at 72MHz
+ * APB1 is clocked at 36MHz
+ */
+
+#include "wirish.h"
+#include "systick.h"
+#include "gpio.h"
+#include "nvic.h"
+#include "usb.h"
+#include "rcc.h"
+#include "fsmc.h"
+#include "dac.h"
+#include "flash.h"
+
+void init(void) {
+    /* make sure the flash is ready before spinning the high speed clock up */
+    flash_enable_prefetch();
+    flash_set_latency(FLASH_WAIT_STATE_2);
+
+#ifdef STM32_HIGH_DENSITY
+    fsmc_native_sram_init();
+#endif
+
+    /* initialize clocks  */
+    rcc_clk_init(RCC_CLKSRC_PLL, RCC_PLLSRC_HSE, RCC_PLLMUL_9);
+    rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1);
+    rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_2);
+    rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_1);
+
+    nvic_init();
+    systick_init(SYSTICK_RELOAD_VAL);
+    gpio_init_all();
+    afio_init();
+
+    /* Initialize the ADC for slow conversions, to allow for high
+       impedance inputs. */
+    adc_init(ADC1, 0);
+    adc_set_sample_rate(ADC1, ADC_SMPR_55_5);
+
+    timer_init(TIMER1, 1);
+    timer_init(TIMER2, 1);
+    timer_init(TIMER3, 1);
+    timer_init(TIMER4, 1);
+#ifdef STM32_HIGH_DENSITY
+    timer_init(TIMER5, 1);
+    timer_init(TIMER8, 1);
+#endif
+    // setupUSB();
+
+    /* include the board-specific init macro */
+    BOARD_INIT;
+}