tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-18 19:44:00 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

Use a jump table instead of if-then-else

Browse Source
This commit is contained in:
Ethan Reesor
2020-07-12 20:41:15 -05:00
committed by Jaden Weiss
parent 19e0f4709e
commit 6ad6f14a04
1 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/machine/machine_nxpmk66f18.go
+7 -6
View File
@@ -187,17 +187,18 @@ func (p Pin) reg() (*nxp.GPIO_Type, *volatile.Register32, uint8) {
var gpio *nxp.GPIO_Type var gpio *nxp.GPIO_Type
var pcr *nxp.PORT_Type var pcr *nxp.PORT_Type
if p < 32 { switch p / 32 {
case 0:
gpio, pcr = nxp.GPIOA, nxp.PORTA gpio, pcr = nxp.GPIOA, nxp.PORTA
} else if p < 64 { case 1:
gpio, pcr = nxp.GPIOB, nxp.PORTB gpio, pcr = nxp.GPIOB, nxp.PORTB
} else if p < 96 { case 2:
gpio, pcr = nxp.GPIOC, nxp.PORTC gpio, pcr = nxp.GPIOC, nxp.PORTC
} else if p < 128 { case 3:
gpio, pcr = nxp.GPIOD, nxp.PORTD gpio, pcr = nxp.GPIOD, nxp.PORTD
} else if p < 160 { case 5:
gpio, pcr = nxp.GPIOE, nxp.PORTE gpio, pcr = nxp.GPIOE, nxp.PORTE
} else { default:
panic("invalid pin number") panic("invalid pin number")
} }