Raspberry Pico2 - needs protos

src/platform/rp2xx0/architecture.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#define ARCH_RP2040
+
+#ifndef HAS_BUTTON
+#define HAS_BUTTON 1
+#endif
+#ifndef HAS_TELEMETRY
+#define HAS_TELEMETRY 1
+#endif
+#ifndef HAS_SCREEN
+#define HAS_SCREEN 1
+#endif
+#ifndef HAS_WIRE
+#define HAS_WIRE 1
+#endif
+#ifndef HAS_SENSOR
+#define HAS_SENSOR 1
+#endif
+#ifndef HAS_RADIO
+#define HAS_RADIO 1
+#endif
+
+#if defined(RPI_PICO)
+#define HW_VENDOR meshtastic_HardwareModel_RPI_PICO
+#elif defined(RPI_PICO2)
+#define HW_VENDOR meshtastic_HardwareModel_RPI_PICO2
+#elif defined(RAK11310)
+#define HW_VENDOR meshtastic_HardwareModel_RAK11310
+#elif defined(SENSELORA_RP2040)
+#define HW_VENDOR meshtastic_HardwareModel_SENSELORA_RP2040
+#elif defined(RP2040_LORA)
+#define HW_VENDOR meshtastic_HardwareModel_RP2040_LORA
+#elif defined(RP2040_FEATHER_RFM95)
+#define HW_VENDOR meshtastic_HardwareModel_RP2040_FEATHER_RFM95
+#endif

src/platform/rp2xx0/main-rp2xx0.cpp

@@ -0,0 +1,98 @@
+#include "configuration.h"
+#include "hardware/xosc.h"
+#include <hardware/clocks.h>
+#include <hardware/pll.h>
+#include <pico/stdlib.h>
+#include <pico/unique_id.h>
+#include <stdio.h>
+
+void setBluetoothEnable(bool enable)
+{
+    // not needed
+}
+
+void cpuDeepSleep(uint32_t msecs)
+{
+    /* Disable both PLL to avoid power dissipation */
+    pll_deinit(pll_sys);
+    pll_deinit(pll_usb);
+    /* Set RP2040 in dormant mode. Will not wake up. */
+    xosc_dormant();
+}
+
+void updateBatteryLevel(uint8_t level)
+{
+    // not needed
+}
+
+void getMacAddr(uint8_t *dmac)
+{
+    pico_unique_board_id_t src;
+    pico_get_unique_board_id(&src);
+    dmac[5] = src.id[7];
+    dmac[4] = src.id[6];
+    dmac[3] = src.id[5];
+    dmac[2] = src.id[4];
+    dmac[1] = src.id[3];
+    dmac[0] = src.id[2];
+}
+
+void rp2040Setup()
+{
+    /* Sets a random seed to make sure we get different random numbers on each boot.
+       Taken from CPU cycle counter and ROSC oscillator, so should be pretty random.
+    */
+    randomSeed(rp2040.hwrand32());
+
+#ifdef RP2040_SLOW_CLOCK
+    uint f_pll_sys = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_PLL_SYS_CLKSRC_PRIMARY);
+    uint f_pll_usb = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_PLL_USB_CLKSRC_PRIMARY);
+    uint f_rosc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_ROSC_CLKSRC);
+    uint f_clk_sys = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_SYS);
+    uint f_clk_peri = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_PERI);
+    uint f_clk_usb = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_USB);
+    uint f_clk_adc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_ADC);
+    uint f_clk_rtc = frequency_count_khz(CLOCKS_FC0_SRC_VALUE_CLK_RTC);
+
+    LOG_INFO("Clock speed:\n");
+    LOG_INFO("pll_sys  = %dkHz\n", f_pll_sys);
+    LOG_INFO("pll_usb  = %dkHz\n", f_pll_usb);
+    LOG_INFO("rosc     = %dkHz\n", f_rosc);
+    LOG_INFO("clk_sys  = %dkHz\n", f_clk_sys);
+    LOG_INFO("clk_peri = %dkHz\n", f_clk_peri);
+    LOG_INFO("clk_usb  = %dkHz\n", f_clk_usb);
+    LOG_INFO("clk_adc  = %dkHz\n", f_clk_adc);
+    LOG_INFO("clk_rtc  = %dkHz\n", f_clk_rtc);
+#endif
+}
+
+void enterDfuMode()
+{
+    reset_usb_boot(0, 0);
+}
+
+/* Init in early boot state. */
+#ifdef RP2040_SLOW_CLOCK
+void initVariant()
+{
+    /* Set the system frequency to 18 MHz. */
+    set_sys_clock_khz(18 * KHZ, false);
+    /* The previous line automatically detached clk_peri from clk_sys, and
+       attached it to pll_usb. We need to attach clk_peri back to system PLL to keep SPI
+       working at this low speed.
+       For details see https://github.com/jgromes/RadioLib/discussions/938
+    */
+    clock_configure(clk_peri,
+                    0,                                                // No glitchless mux
+                    CLOCKS_CLK_PERI_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS, // System PLL on AUX mux
+                    18 * MHZ,                                         // Input frequency
+                    18 * MHZ                                          // Output (must be same as no divider)
+    );
+    /* Run also ADC on lower clk_sys. */
+    clock_configure(clk_adc, 0, CLOCKS_CLK_ADC_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS, 18 * MHZ, 18 * MHZ);
+    /* Run RTC from XOSC since USB clock is off */
+    clock_configure(clk_rtc, 0, CLOCKS_CLK_RTC_CTRL_AUXSRC_VALUE_XOSC_CLKSRC, 12 * MHZ, 47 * KHZ);
+    /* Turn off USB PLL */
+    pll_deinit(pll_usb);
+}
+#endif