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[2.0.x] Add support for LPC1769 at 120 MHz (#9423)

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This commit is contained in:
Thomas Moore
2018-02-03 19:33:26 -06:00
committed by Scott Lahteine
parent 6ace57e1b0
commit e1fd9c08b3
19 changed files with 431 additions and 292 deletions
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7
Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.h
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@@ -64,12 +64,11 @@
#define _LPC1768_PWM_H_
#include "pinmapping.h"
#include <lpc17xx_clkpwr.h>
#define LPC_PWM1_MR0 19999 // base repetition rate minus one count - 20mS
#define LPC_PWM1_PR 24 // prescaler value - prescaler divide by 24 + 1 - 1 MHz output
#define LPC_PWM1_PCLKSEL0 0x00 // select clock source for prescaler - defaults to 25MHz on power up
// 0: 25MHz, 1: 100MHz, 2: 50MHz, 3: 12.5MHZ to PWM1 prescaler
#define MR0_MARGIN 200 // if channel value too close to MR0 the system locks up
#define LPC_PWM1_PCLKSEL0 CLKPWR_PCLKSEL_CCLK_DIV_4 // select clock divider for prescaler - defaults to 4 on power up
#define MR0_MARGIN 200 // if channel value too close to MR0 the system locks up
void LPC1768_PWM_init(void);
bool LPC1768_PWM_attach_pin(pin_t pin, uint32_t min=1, uint32_t max=(LPC_PWM1_MR0 - (MR0_MARGIN)), uint8_t servo_index=0xFF);