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Commit e41b8db8 authored by Christian Eichler's avatar Christian Eichler
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Implement and use wrapper functions usb_*

parent 14b8e467
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README.md
View file @ e41b8db8
......@@ -59,6 +59,9 @@ The **bch** supports the following requests:
* `eic`: enable instruction cache
* `bch`: run benchmark
Building the **bch** system requires a prior execution of GenE to generate
the file containing the actual benchmark (`gene.o`).
Usage: Communicate with the System
----------------------------------
......
src/main.c
View file @ e41b8db8
......@@ -29,18 +29,18 @@ void _init() {}
/* Clock configuration */
XMC_SCU_CLOCK_CONFIG_t clock_config =
{
.syspll_config.p_div = 2,
.syspll_config.n_div = 80,
.syspll_config.k_div = 4,
.syspll_config.mode = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
.syspll_config.p_div = 2,
.syspll_config.n_div = 80,
.syspll_config.k_div = 4,
.syspll_config.mode = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
.syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
.enable_oschp = true,
.calibration_mode = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
.fsys_clksrc = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
.fsys_clkdiv = 1,
.fcpu_clkdiv = 1,
.fccu_clkdiv = 1,
.fperipheral_clkdiv = 1
.enable_oschp = true,
.calibration_mode = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
.fsys_clksrc = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
.fsys_clkdiv = 1,
.fcpu_clkdiv = 1,
.fccu_clkdiv = 1,
.fperipheral_clkdiv = 1
};
......@@ -62,6 +62,7 @@ void SystemCoreClockSetup(void)
void gene_main(uint32_t);
void gene_init(void);
/*** Begin: Interrupt Handlers ***/
IHANDLER void PendSV_Handler() { P1_1_set(); while(1) {} }
IHANDLER void SysTick_Handler() { P1_1_set(); while(1) {} }
IHANDLER void SVC_Handler() { P1_1_set(); while(1) {} }
......@@ -70,6 +71,8 @@ IHANDLER void NMI_Handler() { P1_1_set(); while(1) {} }
IHANDLER void MemManage_Handler() { P1_1_set(); while(1) {} }
IHANDLER void UsageFault_Handler() { P1_1_set(); while(1) {} }
IHANDLER void BusFault_Handler() { P1_1_set(); while(1) {} }
/*** End: Interrupt Handlers ***/
static void uint64_to_string(char *buf, uint64_t value) {
if(0 == value) {
......@@ -85,18 +88,39 @@ static void uint64_to_string(char *buf, uint64_t value) {
}
}
/*** Begin: USB helper functions ***/
static void usb_send(const char *str) {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, str);
}
static void usb_send2(const char *str1, const char *str2) {
usb_send(str1);
usb_send(str2);
}
static void usb_send3(const char *str1, const char *str2, const char *str3) {
usb_send(str1);
usb_send(str2);
usb_send(str3);
}
static void usb_flush() { CDC_Device_Flush(&VirtualSerial_CDC_Interface); }
/*** End: USB helper functions ***/
#ifndef ID_SYSTEM
static void command_bch(char *arg) {
errno = 0;
unsigned long long val = strtoull(arg, NULL, 10);
if(0 != errno || val > (unsigned long long) UINT32_MAX) {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "e:ov\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("e:ov\n");
usb_flush();
return;
}
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:start\r");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("o:start\r");
usb_flush();
P1_0_toggle();
uint32_t old_basepri = __get_BASEPRI();
......@@ -117,30 +141,29 @@ static void command_bch(char *arg) {
__set_BASEPRI(old_basepri);
P1_0_toggle();
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:end ");
usb_send("o:end ");
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
char buf[64] = {0};
uint64_to_string(buf, cycles);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, buf);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send2(buf, "\n");
usb_flush();
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
static void command_dic(char *arg) {
XMC_PREFETCH_DisableInstructionBuffer();
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("o\n");
usb_flush();
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
static void command_eic(char *arg) {
XMC_PREFETCH_EnableInstructionBuffer();
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("o\n");
usb_flush();
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
......@@ -159,53 +182,39 @@ static void command_inf(char *arg) {
// send FREQUENCY
char buf[128] = {0};
uint64_to_string(buf, SystemCoreClock);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:freq ");
CDC_Device_SendString(&VirtualSerial_CDC_Interface, buf);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "\r");
usb_send3("o:freq ", buf, "\r");
// send PFLASH
{
char buf[128] = {0};
uint64_to_string(buf, (FLASH0->FCON & (uint32_t)FLASH_FCON_WSPFLASH_Msk) >> FLASH_FCON_WSPFLASH_Pos);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:wspflash ");
CDC_Device_SendString(&VirtualSerial_CDC_Interface, buf);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "\r");
usb_send3("o:wspflash ", buf, "\r");
}
// send DWT status
switch(DWT->CTRL & 0xFF000000) {
case 0x40000000: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:4wt\r"); break;
case 0x4F000000: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:4w\r"); break;
case 0x10000000: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:1wt\r"); break;
case 0x1F000000: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:1w\r"); break;
case 0x00000000: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:0\r"); break;
default: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "e:v\r"); break;
case 0x40000000: usb_send("o:4wt\r"); break;
case 0x4F000000: usb_send("o:4w\r"); break;
case 0x10000000: usb_send("o:1wt\r"); break;
case 0x1F000000: usb_send("o:1w\r"); break;
case 0x00000000: usb_send("o:0\r"); break;
default: usb_send("e:v\r"); break;
}
#ifndef ID_SYSTEM
if(timer_has_overflow_detection()) {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:ov e\r");
} else {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:ov d\r");
}
usb_send(timer_has_overflow_detection() ? "o:ov e\r" : "o:ov d\r");
#endif /* ifndef ID_SYSTEM */
usb_send((PREF->PCON & PREF_PCON_IBYP_Msk) ? "o:ic d\n" : "o:ic e\n");
if(PREF->PCON & PREF_PCON_IBYP_Msk) {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:ic d\n");
} else {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "o:ic e\n");
}
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_flush();
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
void* __aeabi_memset(void *s, int c, size_t n){
size_t i;
for (i = 0; i < n; i++) {
((char *)s)[i] = (char)c;
}
return s;
void* __aeabi_memset(void *s, int c, size_t n) {
for(size_t i = 0; i < n; i++) {
((char *)s)[i] = (char)c;
}
return s;
}
int main(void) {
......@@ -217,11 +226,8 @@ int main(void) {
P1_1_set_driver_strength(STRONG);
#define BUFFER_SIZE 32
char buffer[BUFFER_SIZE + 1];
buffer[BUFFER_SIZE] = '\0';
uint8_t pos = 0;
char buffer[BUFFER_SIZE + 1] = {0};
// enable monitor debugging
CoreDebug->DHCSR = 0xA05F << CoreDebug_DHCSR_DBGKEY_Pos;
......@@ -270,8 +276,8 @@ int main(void) {
#undef COMMAND
if(!handled) {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "e:uc\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("e:uc\n");
usb_flush();
}
pos = 0;
......@@ -283,8 +289,8 @@ int main(void) {
buffer[pos] = byte;
++pos;
} else {
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "e:OVERFLOW IN COMMAND BUFFER\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
usb_send("e:ov\n");
usb_flush();
pos = 0;
}
......
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