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

Diff: targets/hal/TARGET_Freescale/TARGET_KL25Z/i2c_api.c

Revision:
72:248c61396e08
Parent:
19:398f4c622e1b
--- a/targets/hal/TARGET_Freescale/TARGET_KL25Z/i2c_api.c	Thu Jan 09 09:00:05 2014 +0000
+++ b/targets/hal/TARGET_Freescale/TARGET_KL25Z/i2c_api.c	Mon Jan 13 10:45:05 2014 +0000
@@ -18,6 +18,7 @@
 #include "cmsis.h"
 #include "pinmap.h"
 #include "error.h"
+#include "clk_freqs.h"
 
 static const PinMap PinMap_I2C_SDA[] = {
     {PTE25, I2C_0, 5},
@@ -206,7 +207,7 @@
     uint32_t ref = 0;
     uint8_t i, j;
     // bus clk
-    uint32_t PCLK = 24000000u;
+    uint32_t PCLK = bus_frequency();
     uint32_t pulse = PCLK / (hz * 2);
 
     // we look for the values that minimize the error