Move nonportable bits of libmaple/stm32.h into libmaple/stm32f1.

These go in a new family header, libmaple/stm32f1/include/family/stm32.h.

While we're at it, do some reorganizing.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/libmaple/stm32f1/include/family/stm32.h b/libmaple/stm32f1/include/family/stm32.h
new file mode 100644
index 0000000..0b77ca0
--- /dev/null
+++ b/libmaple/stm32f1/include/family/stm32.h
@@ -0,0 +1,100 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010, 2011 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 libmaple/stm32f1/stm32.h
+ * @brief STM32F1 chip- and family-specific definitions.
+ */
+
+#ifndef _LIBMAPLE_STM32F1_H_
+#define _LIBMAPLE_STM32F1_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Clock configuration.
+ */
+
+#ifndef STM32_PCLK1
+#define STM32_PCLK1                     36000000U
+#endif
+
+#ifndef STM32_PCLK2
+#define STM32_PCLK2                     72000000U
+#endif
+
+#ifndef STM32_DELAY_US_MULT
+#define STM32_DELAY_US_MULT             12 /* FIXME: value is incorrect. */
+#endif
+
+/*
+ * Density-specific values.
+ */
+
+#ifdef STM32_MEDIUM_DENSITY
+#   define STM32_NR_INTERRUPTS          43
+#elif defined(STM32_HIGH_DENSITY)
+#   define STM32_NR_INTERRUPTS          60
+#else
+#error "Unsupported STM32F1 density, or no density specified. Add something " \
+       "like -DSTM32_MEDIUM_DENSITY to your compiler arguments."
+#endif
+
+/*
+ * MCU-specific values.
+ */
+
+#if defined(MCU_STM32F103RB)
+#   define STM32_NR_GPIO_PORTS          4
+#   define STM32_SRAM_END               ((void*)0x20005000)
+
+#elif defined(MCU_STM32F103ZE)
+#   define STM32_NR_GPIO_PORTS          7
+#   define STM32_SRAM_END               ((void*)0x20010000)
+
+#elif defined(MCU_STM32F103CB)
+    /* This STM32_NR_GPIO_PORTS is not stricly true, but only pins 0
+     * and exist, and they're used for OSC (e.g. on e.g. LeafLabs
+     * Maple Mini), so we'll live with this for now. */
+#   define STM32_NR_GPIO_PORTS          3
+#   define STM32_SRAM_END               ((void*)0x20005000)
+
+#elif defined(MCU_STM32F103RE)
+#   define STM32_NR_GPIO_PORTS          4
+#   define STM32_SRAM_END               ((void*)0x20010000)
+
+#else
+#error "Unrecognized STM32F1 MCU, or no MCU specified. Add something like " \
+       "-DMCU_STM32F103RB to your compiler arguments."
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif