diff options
Diffstat (limited to 'src/machine/machine_rp2_2040.go')
| -rw-r--r-- | src/machine/machine_rp2_2040.go | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/machine/machine_rp2_2040.go b/src/machine/machine_rp2_2040.go index c82b08483..484d8e923 100644 --- a/src/machine/machine_rp2_2040.go +++ b/src/machine/machine_rp2_2040.go @@ -46,26 +46,26 @@ const ( ) const ( - ClkGPOUT0 clockIndex = iota // GPIO Muxing 0 - ClkGPOUT1 // GPIO Muxing 1 - ClkGPOUT2 // GPIO Muxing 2 - ClkGPOUT3 // GPIO Muxing 3 - ClkRef // Watchdog and timers reference clock - ClkSys // Processors, bus fabric, memory, memory mapped registers - ClkPeri // Peripheral clock for UART and SPI - ClkUSB // USB clock - ClkADC // ADC clock - ClkRTC // Real time clock - NumClocks + clkGPOUT0 clockIndex = iota // GPIO Muxing 0 + clkGPOUT1 // GPIO Muxing 1 + clkGPOUT2 // GPIO Muxing 2 + clkGPOUT3 // GPIO Muxing 3 + clkRef // Watchdog and timers reference clock + clkSys // Processors, bus fabric, memory, memory mapped registers + clkPeri // Peripheral clock for UART and SPI + clkUSB // USB clock + clkADC // ADC clock + clkRTC // Real time clock + numClocks ) -func CalcClockDiv(srcFreq, freq uint32) uint32 { +func calcClockDiv(srcFreq, freq uint32) uint32 { // Div register is 24.8 int.frac divider so multiply by 2^8 (left shift by 8) return uint32((uint64(srcFreq) << 8) / uint64(freq)) } type clocksType struct { - clk [NumClocks]clockType + clk [numClocks]clockType resus struct { ctrl volatile.Register32 status volatile.Register32 @@ -180,9 +180,9 @@ func irqSetMask(mask uint32, enabled bool) { } func (clks *clocksType) initRTC() { - // ClkRTC = pllUSB (48MHz) / 1024 = 46875Hz - clkrtc := clks.clock(ClkRTC) - clkrtc.configure(0, // No GLMUX + // clkRTC = pllUSB (48MHz) / 1024 = 46875Hz + crtc := clks.clock(clkRTC) + crtc.configure(0, // No GLMUX rp.CLOCKS_CLK_RTC_CTRL_AUXSRC_CLKSRC_PLL_USB, 48*MHz, 46875) |