ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Updat PWM prescaler correctly

pull/140/head
Sissors 2014-01-11 09:40:10 +01:00
parent eedce209c5
commit ebdbf53ba1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KL25Z/pwmout_api.c
View File

@ -92,7 +92,7 @@ void pwmout_init(pwmout_t* obj, PinName pin) {
SIM->SOPT2 |= SIM_SOPT2_TPMSRC(1); // Clock source: MCGFLLCLK or MCGPLLCLK
TPM_Type *tpm = (TPM_Type *)(TPM0_BASE + 0x1000 * tpm_n);
tpm->SC = TPM_SC_CMOD(1) | TPM_SC_PS(6); // (48)MHz / 64 = (0.75)MHz
tpm->SC = TPM_SC_CMOD(1) | TPM_SC_PS(clkdiv); // (clock)MHz / clkdiv ~= (0.75)MHz
tpm->CONTROLS[ch_n].CnSC = (TPM_CnSC_MSB_MASK | TPM_CnSC_ELSB_MASK); /* No Interrupts; High True pulses on Edge Aligned PWM */
obj->CnV = &tpm->CONTROLS[ch_n].CnV;