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atsamd2x: fix BAUD value

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This commit is contained in:
sago35
2020-09-16 20:20:47 +09:00
committed by Ron Evans
parent 8170f59440
commit 9245337ecf
1 changed files with 4 additions and 1 deletions
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src/machine/machine_atsamd21.go
+4 -1
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@@ -1188,7 +1188,10 @@ func (spi SPI) Configure(config SPIConfig) error {
} }
// Set synch speed for SPI // Set synch speed for SPI
baudRate := (CPUFrequency() / (2 * config.Frequency)) - 1 baudRate := CPUFrequency() / (2 * config.Frequency)
if baudRate > 0 {
baudRate--
}
spi.Bus.BAUD.Set(uint8(baudRate)) spi.Bus.BAUD.Set(uint8(baudRate))
// Enable SPI port. // Enable SPI port.