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Kenneth Bell
55 lines
802 B
Go
55 lines
802 B
Go
// +build bluepill
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package machine
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import (
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"device/stm32"
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"runtime/interrupt"
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)
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const (
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LED = PC13
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)
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var Serial = UART1
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// UART pins
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const (
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UART_TX_PIN = PA9
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UART_RX_PIN = PA10
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UART_ALT_TX_PIN = PB6
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UART_ALT_RX_PIN = PB7
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)
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var (
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// USART1 is the first hardware serial port on the STM32.
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UART1 = &_UART1
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_UART1 = UART{
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Buffer: NewRingBuffer(),
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Bus: stm32.USART1,
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}
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UART2 = &_UART2
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_UART2 = UART{
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Buffer: NewRingBuffer(),
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Bus: stm32.USART2,
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}
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)
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func init() {
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UART1.Interrupt = interrupt.New(stm32.IRQ_USART1, _UART1.handleInterrupt)
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UART2.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART2.handleInterrupt)
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}
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// SPI pins
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const (
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SPI0_SCK_PIN = PA5
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SPI0_SDO_PIN = PA7
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SPI0_SDI_PIN = PA6
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)
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// I2C pins
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const (
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I2C0_SDA_PIN = PB7
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I2C0_SCL_PIN = PB6
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)
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