Fix 24 MHz speed on Teensy 4.0 · 49b46c2087 - teensy-core-4.1 - gitea: thevis.us

Fix 24 MHz speed on Teensy 4.0

teensy4-core

PaulStoffregen 5 years ago

parent

ced1805c88

commit

49b46c2087

1 changed files with 3 additions and 2 deletions

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								+ 3
								
								- 2
							
teensy4/clockspeed.cView File
								
																	CCM_CBCDR = cbcdr;
															
																	CCM_CBCDR = cbcdr;
														
																}
															
																}
														
																cbcdr &= ~CCM_CBCDR_PERIPH_CLK_SEL;
															
																CCM_CBCDR = cbcdr;
															
																//cbcdr &= ~CCM_CBCDR_PERIPH_CLK_SEL;
														
																//CCM_CBCDR = cbcdr;  // why does this not work at 24 MHz?
														
																CCM_CBCDR &= ~CCM_CBCDR_PERIPH_CLK_SEL;
														
																while (CCM_CDHIPR & CCM_CDHIPR_PERIPH_CLK_SEL_BUSY) ; // wait
															
																while (CCM_CDHIPR & CCM_CDHIPR_PERIPH_CLK_SEL_BUSY) ; // wait
														
																F_CPU_ACTUAL = frequency;
															
																F_CPU_ACTUAL = frequency;