Difference: BoardSupportPackageFirefly (43 vs. 44)

Revision 442025-02-15 - PeterSchmid

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META TOPICPARENT	name="WebHome"

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dmod ( u a -- ) sets the pin mode: 0 in, 1 in pull-up, 2 in pull-down, 3 out push pull, 4 out open drain, 5 out push pull PWM, 6 input capture, 7 output compare, 8 I2C

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EXTImod ( u a -- ) Sets for pin a (D2, D4, D7, D10) the EXTI mode u: 0 rising, 1 falling, 2 both edges, 3 none EXTIwait ( u a -- ) Wait for EXTI interrupt on pin a (D2, D4, D7, D10), timeout u in [ms]

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EXTImod ( u a -- ) Sets for pin a (D3, D5, D6, D7) the EXTI mode u: 0 rising, 1 falling, 2 both edges, 3 none EXTIwait ( u a -- ) Wait for EXTI interrupt on pin a (D3, D5, D6, D7), timeout u in [ms]

pwmpin! ( u a -- ) sets the digital output port pin a (D0=0, D1=1, A4=20) to a PWM value u (0..1000). Default frequency is 1 kHz, TIMER1 pwmprescale ( u -- ) Sets the PWM prescale for TIMER1. 32 kHz / prescale, default 32 -> PWM frequency 1 kHz

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Using EXTI line

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EXTI port pins: D2 (PB5), D3 (PB4), D5 (PB3), D6 (PB2), D7 (PB1)

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EXTI port pins: D3 (PB4), D5 (PB3), D6 (PB2), D7 (PB1)

: exti-test ( -- )

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2 2 EXTImod \ both edges on D2

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2 3 EXTImod \ both edges on D3

begin

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2000 2 EXTIwait \ wait for edge on D2 with 2 s timeout

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2000 3 EXTIwait \ wait for edge on D3 with 2 s timeout

cr 0= if

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1. dpin@ if

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1. dpin@ if

." rising edge" else ." falling edge"

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