Отправлено Doka 24 июня 2005 г. 19:26 В ответ на: Помогите настроить PLL TMS320C5502(+) отправлено <font color=gray>rs</font> 24 июня 2005 г. 18:54

а насчет CSL - сам хотел его заюзать - не помогло :(
виснет намертво процик
.
пришлось вручную его оживлять
.
но может у вас заработает это:

/*
*---------main_pll1.c---------
* This example demostrates the usage of PLL_config and PLL_setFreq functions
*/

#include

#include
#include

//---------Global data definition---------

//Pre-initialized configuration structure for PLL
PLL_Config myCfg =
{
PLL_PLLCSR_RMK(
PLL_PLLCSR_PLLRST_RESET_RELEASED,
PLL_PLLCSR_OSCPWRDN_OSC_ON,
PLL_PLLCSR_PLLPWRDN_PLL_ON,
PLL_PLLCSR_PLLEN_DEFAULT
),
PLL_PLLM_PLLM_OF(10),
PLL_PLLDIV0_RMK(
PLL_PLLDIV0_D0EN_ENABLED,
PLL_PLLDIV0_PLLDIV0_OF(0)
),
PLL_PLLDIV1_RMK(
PLL_PLLDIV1_D1EN_ENABLED,
PLL_PLLDIV1_PLLDIV1_OF(0)
),
PLL_PLLDIV2_RMK(
PLL_PLLDIV2_D2EN_ENABLED,
PLL_PLLDIV2_PLLDIV2_OF(0)
),
PLL_PLLDIV3_RMK(
PLL_PLLDIV3_D3EN_ENABLED,
PLL_PLLDIV3_PLLDIV3_OF(0)
),
PLL_OSCDIV1_RMK(
PLL_OSCDIV1_OD1EN_DISABLED,
PLL_OSCDIV1_OSCDIV1_OF(0)
),
PLL_WKEN_RMK(
PLL_WKEN_WKEN4_ENABLED,
PLL_WKEN_WKEN3_ENABLED,
PLL_WKEN_WKEN2_ENABLED,
PLL_WKEN_WKEN1_ENABLED,
PLL_WKEN_WKEN0_ENABLED
),
PLL_CLKMD_RMK(
PLL_CLKMD_CLKMD0_OSCOUT
),
PLL_CLKOUTSR_RMK(
PLL_CLKOUTSR_CLKOSEL_SYSCLK1,
PLL_CLKOUTSR_CLKOUTDIS_ENABLED
)
};

//---------main routine---------
void main(void)
{
//Initialize CSL library
CSL_init();

//Use pre-initialized ocnfiguration structure to set-up PLL registers
PLL_config(&myCfg);

/*Parameters for PLL_setFreq are:
enable/mode, multiply, divider0, divider1, divider2, divider3, osc divider

mode = 1 means PLL enabled (non-bypass mode)
mul = 5 means multiply by 5
div0 = 0 means divide by 1 using PLLDIV0
div1 = 3 means divide by 4 using PLLDIV1
div2 = 3 means divide by 4 using PLLDIV2
div3 = 3 means divide by 4 using PLLDIV3
oscdiv= 1 means divide by 2 using OSCDIV1
*/
//Set the required frequncy for CPU, Fast and Slow peripherals and EMIF
PLL_setFreq(1,5,0,3,3,3,1);

//If PLL_config and PLL_setFreq run successfully, code will reach here.
// Otherwise program hangs before this statement.
printf("\nTEST PASSED\n");

//Infinite loop that outputs a periodic clock at XF pin
//Use oscilloscope to see the waveform at XF pin
//Changing the parameters of PLL_setFreq changes the
//output at XF pin
asmtest();
}

*******************************************************************
*
*
*---------pllTest_pll1.s55---------
*
* Assembly file to output a periodic clock on XF pin
*

; Far-mode adjustment

.asg (2), ret_addr ; stack description
; x in A
.asg (3 + offset), arg_n
; register usage
.asg ar0, ar_x

;****************************************************************
.def _asmtest
.text

_asmtest

; Get arguments and set modes
; ---------------------------

extloop:

NOP
NOP
mov #99,brc0 ;1 cycle
NOP
NOP
bset xf ;1 cycle

NOP
NOP
NOP
NOP
NOP

; rptblocal eloop1-1 ;(2)
RPTB eloop1 - 1
NOP
NOP
NOP
NOP
NOP ;(500)
;
eloop1
NOP
NOP
NOP
NOP
NOP
bclr xf ;1 cycle
mov #99,brc0 ;2 cycles

NOP ;1 cycle
NOP
NOP
NOP

; rptblocal eloop2-1 ;4 cycles
RPTB eloop2 - 1
NOP
NOP
NOP
NOP
NOP
;
eloop2 ;(500)

NOP
NOP
NOP
NOP
NOP
nop
b extloop ;4 cycles

_end:
ret ;(6)

;end of file.
;please do not remove.
;it is left here to ensure that no lines of code are removed by any editor
*------------------------------------------------------------------------------