bsp_trace.c
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00018 #include <stdbool.h>
00019 #include "em_device.h"
00020 #include "em_gpio.h"
00021 #include "em_cmu.h"
00022 #include "bsp_trace.h"
00023 #include "bsp.h"
00024
00025 #if defined(BSP_ETM_TRACE) && defined( ETM_PRESENT )
00026
00030 void BSP_TraceEtmSetup(void)
00031 {
00032
00033 CMU->HFCORECLKEN0 |= CMU_HFCORECLKEN0_LE;
00034 CMU->HFPERCLKEN0 |= CMU_HFPERCLKEN0_GPIO;
00035 CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
00036
00037
00038 while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY)) ;
00039
00040
00041 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE3_MASK) | GPIO_P_MODEL_MODE3_PUSHPULL;
00042 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE4_MASK) | GPIO_P_MODEL_MODE4_PUSHPULL;
00043 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE5_MASK) | GPIO_P_MODEL_MODE5_PUSHPULL;
00044 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE6_MASK) | GPIO_P_MODEL_MODE6_PUSHPULL;
00045
00046
00047 GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE7_MASK) | GPIO_P_MODEL_MODE7_PUSHPULL;
00048
00049
00050 GPIO->ROUTE = GPIO->ROUTE | GPIO_ROUTE_TCLKPEN | GPIO_ROUTE_TD0PEN | GPIO_ROUTE_TD1PEN
00051 | GPIO_ROUTE_TD2PEN | GPIO_ROUTE_TD3PEN
00052 | GPIO_ROUTE_ETMLOCATION_LOC0;
00053 }
00054 #endif
00055
00056 #if defined( GPIO_ROUTE_SWOPEN )
00057
00063 void BSP_TraceSwoSetup(void)
00064 {
00065
00066 CMU->HFPERCLKEN0 |= CMU_HFPERCLKEN0_GPIO;
00067
00068
00069 GPIO->ROUTE |= GPIO_ROUTE_SWOPEN;
00070
00071
00072 GPIO->ROUTE = (GPIO->ROUTE & ~(_GPIO_ROUTE_SWLOCATION_MASK)) | BSP_TRACE_SWO_LOCATION;
00073
00074
00075 TRACE_ENABLE_PINS();
00076
00077
00078 CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
00079
00080
00081 while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY)) ;
00082
00083
00084
00085 if ( !( CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA_Msk ) ) {
00086
00087 CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
00088
00089
00090 DWT->CTRL = 0x400113FF;
00091
00092
00093 TPI->ACPR = 0xf;
00094
00095
00096 TPI->SPPR = 2;
00097
00098
00099 TPI->FFCR = 0x100;
00100
00101
00102 ITM->LAR = 0xC5ACCE55;
00103 ITM->TCR = 0x10009;
00104 }
00105 }
00106 #endif
00107
00108
00109 #if defined( GPIO_ROUTE_SWOPEN )
00110
00116 bool BSP_TraceProfilerSetup(void)
00117 {
00118 volatile uint32_t *userData = (uint32_t *) USER_PAGE;
00119
00120
00121 if (*userData == 0x00000000UL)
00122 {
00123 return false;
00124 }
00125 else
00126 {
00127 BSP_TraceSwoSetup();
00128 return true;
00129 }
00130 }
00131 #endif