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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-10-01 23:34:27 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-10-01 23:34:27 +0000 |
| commit | 27e2ca4bed22eb0c1ae277770c1d08a7771baf35 (patch) | |
| tree | ea6111e6fa379e69233127d31b7e7ae83d6d1e0b /nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c | |
| parent | ad1c3b799584ba5f51434fc43796235747da3866 (diff) | |
| download | px4-nuttx-27e2ca4bed22eb0c1ae277770c1d08a7771baf35.tar.gz px4-nuttx-27e2ca4bed22eb0c1ae277770c1d08a7771baf35.tar.bz2 px4-nuttx-27e2ca4bed22eb0c1ae277770c1d08a7771baf35.zip | |
Integrating LPC214x USB driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@970 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c')
| -rw-r--r-- | nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c b/nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c index 3ed87a2bc..4a7bbb6c4 100644 --- a/nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c +++ b/nuttx/arch/arm/src/lpc214x/lpc214x_timerisr.c @@ -54,7 +54,12 @@ * Definitions ****************************************************************************/ -#define PCLKFREQ (LPC214X_FOSC/4) /* PCLK must be FOSC/4 */ +/* The timers count at the rate of PCLK which is determined by PLL_M and + * and APBDIV: + */ + +#define LPC214X_CCLKFREQ (LPC214X_FOSC*LPC214X_PLL_M) +#define LPC214X_PCLKFREQ (LPC214X_CCLKFREQ/LPC214X_APBDIV) #define tmr_getreg8(o) getreg8(LPC214X_TMR0_BASE+(o)) #define tmr_getreg16(o) getreg16(LPC214X_TMR0_BASE+(o)) |