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AtomBusMon
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Extend TimerMode command with prescale and reset address 

Change-Id: Ia958ea97175469b642b4a70579f080dd0ff148cc
This commit is contained in:
David Banks 2020-06-21 14:58:08 +01:00
parent c0275ff059
commit ca40fe81b3
1 changed files with 40 additions and 11 deletions
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51
firmware/AtomBusMon.c
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@ -164,6 +164,7 @@ static const char ARGS13[] PROGMEM = "<start> <end> <to>";
static const char ARGS14[] PROGMEM = "[ <value> ]";
static const char ARGS15[] PROGMEM = "[ <command> ]";
static const char ARGS16[] PROGMEM = "<op1> [ <op2> [ <op3> ] ]";
static const char ARGS17[] PROGMEM = "[ <source> [ <prescale> [ <reset address> ] ] ]";
static const char * const argsStrings[] PROGMEM = {
ARGS00,
@ -182,7 +183,8 @@ static const char * const argsStrings[] PROGMEM = {
ARGS13,
ARGS14,
ARGS15,
ARGS16
ARGS16,
ARGS17,
};
// Must be kept in step with cmdStrings (just above)
@ -236,7 +238,7 @@ static const uint8_t helpMeta[] PROGMEM = {
#endif
7, 0, // clear
36, 5, // trigger
34, 14, // timer
34, 17, // timermode
0, 0
};
@ -630,6 +632,9 @@ uint8_t special = 0x00;
// Current timer mode setting
uint8_t timer_mode = 0x00;
uint8_t timer_prescale = 0x01;
addr_t timer_resetaddr = 0xffff;
unsigned long timer_offset = 0;
/********************************************************
* User Command Processor
@ -983,8 +988,9 @@ void genericRead(char *params, data_t (*readFunc)()) {
* Logging Helpers
********************************************************/
void logCycleCount(int offsetLow, int offsetHigh) {
unsigned long count = (((unsigned long) hwRead8(offsetHigh)) << 16) | hwRead16(offsetLow);
void logCycleCount(int offsetLow, int offsetHigh, uint8_t clear) {
unsigned long original_count = (((unsigned long) hwRead8(offsetHigh)) << 16) | hwRead16(offsetLow);
unsigned long count = ((original_count - timer_offset) & 0xFFFFFF) / timer_prescale;
char buffer[16];
uint8_t i;
// count is 24 bits so a maximum of 16777215
@ -1002,6 +1008,11 @@ void logCycleCount(int offsetLow, int offsetHigh) {
}
}
logs(" : ");
// Deal with clearing the counter
if (clear) {
logs("\n00.000000 : ");
timer_offset = original_count;
}
}
void logMode(modes_t mode) {
@ -1038,6 +1049,8 @@ uint8_t logDetails() {
// Process the dropped counter
uint8_t dropped = mode >> 4;
// Whether to clear timer
uint8_t clear = i_addr == timer_resetaddr;
if (dropped) {
logstr(" : ");
if (dropped == 15) {
@ -1056,7 +1069,7 @@ uint8_t logDetails() {
// Update the serial console
if (mode & W_MASK) {
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH);
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH, clear);
}
logMode(mode);
logstr(" hit at ");
@ -1072,7 +1085,7 @@ uint8_t logDetails() {
logc('\n');
if (mode & B_RDWR_MASK) {
// It's only safe to do this for brkpts, as it makes memory accesses
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH);
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH, clear);
disMem(i_addr);
}
return watch;
@ -1084,7 +1097,7 @@ void logAddr() {
Delay_us(100);
memAddr = hwRead16(OFFSET_IAL);
// Update the serial console
logCycleCount(OFFSET_CNTL, OFFSET_CNTH);
logCycleCount(OFFSET_CNTL, OFFSET_CNTH, memAddr == timer_resetaddr);
nextAddr = disMem(memAddr);
return;
}
@ -2029,13 +2042,29 @@ void doCmdSpecial(char *params) {
}
void doCmdTimerMode(char *params) {
uint8_t tmp = 0xff;
parsehex2(params, &tmp);
if (tmp <= NUM_TIMERS) {
timer_mode = tmp;
uint8_t mode = 0xff;
uint8_t prescale = 0xff;
addr_t addr = 0xffff;
params = parsehex2(params, &mode);
params = parsehex2(params, &prescale);
params = parsehex4(params, &addr);
if (mode <= NUM_TIMERS) {
timer_mode = mode;
hwCmd(CMD_TIMER_MODE, timer_mode);
}
if (prescale < 0xff) {
timer_prescale = prescale;
}
if (addr < 0xffff) {
timer_resetaddr = addr;
}
logstr("mode: ");
logpgmstr(timerStrings[timer_mode]);
logstr("; prescale=");
loghex4(timer_prescale);
logstr("; reset address=");
loghex4(timer_resetaddr);
logstr("\n");
}