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https://github.com/tinygo-org/drivers.git
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Ayke van Laethem
9ca474466d
This commit now requires tinygo_task_current which I've patched in my local TinyGo build.
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
//go:build esp32c3
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package espradio
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import "device/esp"
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func initHardware() error {
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// See:
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// https://github.com/esp-rs/esp-wifi/blob/v0.2.0/esp-wifi/src/common_adapter/common_adapter_esp32c3.rs#L18
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const (
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SYSTEM_WIFIBB_RST = 1 << 0
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SYSTEM_FE_RST = 1 << 1
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SYSTEM_WIFIMAC_RST = 1 << 2
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SYSTEM_BTBB_RST = 1 << 3 // Bluetooth Baseband
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SYSTEM_BTMAC_RST = 1 << 4 // deprecated
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SYSTEM_RW_BTMAC_RST = 1 << 9 // Bluetooth MAC
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SYSTEM_RW_BTMAC_REG_RST = 1 << 11 // Bluetooth MAC Regsiters
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SYSTEM_BTBB_REG_RST = 1 << 13 // Bluetooth Baseband Registers
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)
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const MODEM_RESET_FIELD_WHEN_PU = SYSTEM_WIFIBB_RST |
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SYSTEM_FE_RST |
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SYSTEM_WIFIMAC_RST |
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SYSTEM_BTBB_RST |
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SYSTEM_BTMAC_RST |
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SYSTEM_RW_BTMAC_RST |
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SYSTEM_RW_BTMAC_REG_RST |
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SYSTEM_BTBB_REG_RST
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esp.RTC_CNTL.DIG_PWC.ClearBits(esp.RTC_CNTL_DIG_PWC_WIFI_FORCE_PD)
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esp.APB_CTRL.WIFI_RST_EN.SetBits(MODEM_RESET_FIELD_WHEN_PU)
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esp.APB_CTRL.WIFI_RST_EN.ClearBits(MODEM_RESET_FIELD_WHEN_PU)
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esp.RTC_CNTL.DIG_ISO.ClearBits(esp.RTC_CNTL_DIG_ISO_FORCE_OFF)
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return nil
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}
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// This is the value used for the ESP32-C3, see:
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// https://github.com/esp-rs/esp-wifi/blob/v0.2.0/esp-wifi/src/timer/riscv.rs#L28
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const ticksPerSecond = 16_000_000
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