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rp2350 cleanup: unexport internal USB and clock package variable, consts and types

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soypat
2024-12-21 12:16:37 -03:00
committed by Ron Evans
parent 52983794d7
commit b898916d52
6 changed files with 138 additions and 138 deletions
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src/machine/machine_rp2_2040.go
+16 -16
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@@ -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)