CHG: removed unused clocks,

CHG: now uses the DEFINEs instead. a bit clear
CHG: xor in the clocks,  should allow for co-exist with SSP clock.

diff --git a/armsrc/ticks.c b/armsrc/ticks.c
index 44249879e31210f7aef81c0e85098ab213d6fe2b..dcff99f4547543f2a1f45edefacce348b87190b4 100644 (file)
--- a/armsrc/ticks.c
+++ b/armsrc/ticks.c
@@ -9,7 +9,6 @@
 // Timers, Clocks functions used in LF or Legic where you would need detailed time.
 //-----------------------------------------------------------------------------
 #include "ticks.h"
 // Timers, Clocks functions used in LF or Legic where you would need detailed time.
 //-----------------------------------------------------------------------------
 #include "ticks.h"

-

 // attempt at high resolution microsecond timer
 // beware: timer counts in 21.3uS increments (1024/48Mhz)
 void SpinDelayUs(int us) {
 // attempt at high resolution microsecond timer
 // beware: timer counts in 21.3uS increments (1024/48Mhz)
 void SpinDelayUs(int us) {


@@ -67,7 +66,7 @@ uint32_t RAMFUNC GetTickCount(void){
 //  microseconds timer 
 //  -------------------------------------------------------------------------
 void StartCountUS(void) {
 //  microseconds timer 
 //  -------------------------------------------------------------------------
 void StartCountUS(void) {

-       AT91C_BASE_PMC->PMC_PCER |= (1 << 12) | (1 << 13) | (1 << 14);
+       AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1);

        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE;
 
        // fast clock
        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE;
 
        // fast clock


@@ -95,12 +94,11 @@ uint32_t RAMFUNC GetCountUS(void){
        return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV * 2) / 3); 
 }
 
        return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV * 2) / 3); 
 }
 

-

 //  -------------------------------------------------------------------------
 //  Timer for iso14443 commands. Uses ssp_clk from FPGA 
 //  -------------------------------------------------------------------------
 void StartCountSspClk(void) {
 //  -------------------------------------------------------------------------
 //  Timer for iso14443 commands. Uses ssp_clk from FPGA 
 //  -------------------------------------------------------------------------
 void StartCountSspClk(void) {

-       AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1) | (1 << AT91C_ID_TC2);  // Enable Clock to all timers
+       AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1) | (1 << AT91C_ID_TC2);  // Enable Clock to all timers

        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_TIOA1               // XC0 Clock = TIOA1
                                                        | AT91C_TCB_TC1XC1S_NONE                // XC1 Clock = none
                                                        | AT91C_TCB_TC2XC2S_TIOA0;              // XC2 Clock = TIOA0
        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_TIOA1               // XC0 Clock = TIOA1
                                                        | AT91C_TCB_TC1XC1S_NONE                // XC1 Clock = none
                                                        | AT91C_TCB_TC2XC2S_TIOA0;              // XC2 Clock = TIOA0


@@ -163,7 +161,6 @@ void ResetSspClk(void) {
        AT91C_BASE_TC2->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
        while (AT91C_BASE_TC2->TC_CV >= 1);     
 }
        AT91C_BASE_TC2->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
        while (AT91C_BASE_TC2->TC_CV >= 1);     
 }

-

 uint32_t RAMFUNC GetCountSspClk(void) {
        uint32_t tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
        if ((tmp_count & 0x0000ffff) == 0)  //small chance that we may have missed an increment in TC2
 uint32_t RAMFUNC GetCountSspClk(void) {
        uint32_t tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
        if ((tmp_count & 0x0000ffff) == 0)  //small chance that we may have missed an increment in TC2


@@ -171,7 +168,6 @@ uint32_t RAMFUNC GetCountSspClk(void) {
        return tmp_count;
 }
 
        return tmp_count;
 }
 

-

 //  -------------------------------------------------------------------------
 //  Timer for bitbanging,  or LF stuff when you need a very precis timer
 //  1us = 1.5ticks
 //  -------------------------------------------------------------------------
 //  Timer for bitbanging,  or LF stuff when you need a very precis timer
 //  1us = 1.5ticks


@@ -180,7 +176,7 @@ void StartTicks(void){
        //initialization of the timer
        // tc1 is higher 0xFFFF0000
        // tc0 is lower 0x0000FFFF
        //initialization of the timer
        // tc1 is higher 0xFFFF0000
        // tc0 is lower 0x0000FFFF

-       AT91C_BASE_PMC->PMC_PCER |= (1 << 12) | (1 << 13) | (1 << 14);
+       AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1);

        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE;
        AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
        AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz) / 32 
        AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE;
        AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
        AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz) / 32