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authorMarti Bolivar <mbolivar@leaflabs.com>2012-03-20 17:44:34 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2012-04-11 16:56:54 -0400
commit21468a69ca2e7ff9a5c7ffc03c608a24f1412d64 (patch)
tree30d2abf224ca9adbc07b0fcdd1eb1b5a7d0541dd /wirish/stm32f2
parentc122d16c71d2aa04baa8b4b5a5df7faed93240fb (diff)
downloadlibrambutan-21468a69ca2e7ff9a5c7ffc03c608a24f1412d64.tar.gz
librambutan-21468a69ca2e7ff9a5c7ffc03c608a24f1412d64.zip
[FIXME] Resurrect boards.cpp for F2 and F1.
FIXME: - F1 support currently appears to be failing in start_c.c, for some unknown reason. This will need to get sorted out later. Add a new wirish namespace, and a sub-namespace wirish::priv::. Put a bunch of board setup routines in this namespace, and declare them in new wirish/boards_private.h. boards.cpp uses this to perform initialization tasks in a portable way, with two new boards_setup.cpp files under wirish/stm32f1 and wirish/stm32f2 handling the series-specific details. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'wirish/stm32f2')
-rw-r--r--wirish/stm32f2/boards_setup.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/wirish/stm32f2/boards_setup.cpp b/wirish/stm32f2/boards_setup.cpp
new file mode 100644
index 0000000..b3c690c
--- /dev/null
+++ b/wirish/stm32f2/boards_setup.cpp
@@ -0,0 +1,75 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * 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.
+ *****************************************************************************/
+
+/**
+ * @file wirish/stm32f2/boards_setup.cpp
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief STM32F2 chip setup.
+ */
+
+#include <libmaple/rcc.h>
+#include <libmaple/gpio.h>
+
+#define PLL_Q 5
+#define PLL_P 2
+#define PLL_N 240
+#define PLL_M 25
+static stm32f2_rcc_pll_data pll_data = {PLL_Q, PLL_P, PLL_N, PLL_M};
+
+namespace wirish {
+ namespace priv {
+ rcc_pll_cfg board_pll_cfg = {RCC_PLLSRC_HSE, &pll_data};
+
+ void board_reset_pll(void) {
+ // Set PLLCFGR to its reset value.
+ RCC_BASE->PLLCFGR = 0x24003010; // FIXME lose the magic number.
+ }
+
+ void board_setup_clock_prescalers(void) {
+ rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1);
+ rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_4);
+ rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_2);
+ }
+
+ void board_setup_gpio(void) {
+ gpio_init_all();
+ }
+
+ void board_setup_adc(void) {
+ // TODO
+ }
+
+ void board_setup_timers(void) {
+ // TODO
+ }
+
+ void board_setup_usb(void) {
+ // TODO
+ }
+
+ }
+}
+