Peter Drescher / mbed-F401

mbed library with additional peripherals for ST F401 board

Fork of mbed-src by mbed official

This mbed LIB has additional peripherals for ST F401 board

  • UART2 : PA_3 rx, PA_2 tx
  • UART3 : PC_7 rx, PC_6 tx
  • I2C2 : PB_3 SDA, PB_10 SCL
  • I2C3 : PB_4 SDA, PA_8 SCL

targets/cmsis/TARGET_Freescale/TARGET_K20D5M/TOOLCHAIN_ARM_STD/sys.cpp

Committer:
mbed_official
Date:
2013-12-26
Revision:
68:41613245dfd7

File content as of revision 68:41613245dfd7:

/* mbed Microcontroller Library - stackheap
 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
 *
 * Setup a fixed single stack/heap memory model,
 *  between the top of the RW/ZI region and the stackpointer
 */

#ifdef __cplusplus
extern "C" {
#endif

#include <rt_misc.h>
#include <stdint.h>

extern char Image$$RW_IRAM1$$ZI$$Limit[];

extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
    uint32_t sp_limit = __current_sp();

    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned

    struct __initial_stackheap r;
    r.heap_base = zi_limit;
    r.heap_limit = sp_limit;
    return r;
}

#ifdef __cplusplus
}
#endif