Port pmic driver and add scheduler for it

platform/c2000/CMakeLists.txt

@@ -16,5 +16,8 @@ add_subdirectory(inverter)
 # Tesla M3 Gate Driver and PSU test application
 add_subdirectory(gatedrivertest)
 
+# Tesla M3 PMIC Driver test
+add_subdirectory(pmicdrivertest)
+
 # Dump Tesla M3 EEPROM
 add_subdirectory(dumpeeprom)

platform/c2000/device_support/include/device.h

@@ -139,6 +139,22 @@ a single CPU should be defined."
 
 #define DEVICE_TESLAM3_GATE_SPI                 SPIC_BASE
 
+
+// Tesla Model 3 Inverter Pmic Driver (TLF35584) 
+// Pins 8, 9, 10, 12
+// GPIOs 16, 17, 18, 19
+#define DEVICE_TESLAM3_GPIO_PIN_PMIC_MOSI       16
+#define DEVICE_TESLAM3_GPIO_PIN_PMIC_MISO       17
+#define DEVICE_TESLAM3_GPIO_PIN_PMIC_CLK        18
+#define DEVICE_TESLAM3_GPIO_PIN_PMIC_CS         19
+
+#define DEVICE_TESLAM3_GPIO_CFG_PMIC_MOSI       GPIO_16_SPISIMOA
+#define DEVICE_TESLAM3_GPIO_CFG_PMIC_MISO       GPIO_17_SPISOMIA
+#define DEVICE_TESLAM3_GPIO_CFG_PMIC_CLK        GPIO_18_SPICLKA
+#define DEVICE_TESLAM3_GPIO_CFG_PMIC_CS         GPIO_19_SPISTEA
+
+#define DEVICE_TESLAM3_PMIC_SPI                 SPIA_BASE
+
 //*****************************************************************************
 //
 // Defines related to clock configuration

platform/c2000/inverter_drivers/CMakeLists.txt

@@ -1,4 +1,12 @@
-add_library(inverter_drivers eeprom.cpp current.cpp encoder.cpp pwmdriver.cpp gatedriver.cpp gatedriverinterface.cpp)
+add_library(inverter_drivers 
+    eeprom.cpp 
+    current.cpp 
+    encoder.cpp 
+    pmicspidriver.cpp 
+    pwmdriver.cpp 
+    gatedriver.cpp 
+    gatedriverinterface.cpp
+    scheduler.cpp)
 target_link_libraries(inverter_drivers global_options libopeninv device_support)
 target_include_directories(inverter_drivers
                            PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")

platform/c2000/inverter_drivers/c2000/pmicspidriver.h

@@ -0,0 +1,41 @@
+/*
+ * This file is part of the stm32-sine project.
+ *
+ * Copyright (C) 2022 Bernd Ocklin <bernd@ocklin.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef C2000SPIDRIVER_H
+#define C2000SPIDRIVER_H
+
+#include "stdint.h"
+
+class PmicSpiDriver {
+
+private:
+    static uint32_t m_base;
+
+    static void InitGPIO(uint16_t, uint32_t);
+
+public:
+    static void InitGPIOs();
+    static void InitSPIPort();
+
+    static void WriteData(uint16_t data);
+    static uint16_t ReadData();
+};
+
+#endif // C2000SPIDRIVER_H
+

platform/c2000/inverter_drivers/c2000/scheduler.h

@@ -0,0 +1,48 @@
+/*
+ * This file is part of the Tesla M3 OSS Inverter project.
+ *
+ * Copyright (C) 2022 Bernd Ocklin <bernd@ocklin.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SCHEDULER_H
+#define SCHEDULER_H
+
+#include <stdint.h>
+
+class Scheduler {
+
+    // making these public to allow extern "C" interrupt handlers to reach them
+public:
+
+    static const uint16_t maxTasks = 3;
+
+    static uint32_t periods[maxTasks];
+
+    static void (*functions[maxTasks]) (void);
+
+public:
+    // init the scheduler / timer
+    static void Init();
+
+    // add a task with a specific period */
+	static void AddTask(void (*function)(void), uint32_t msPeriod);
+
+private:
+    static void InitCPUTimers();
+    static void ConfigureCPUTimer(uint32_t cpuTimer, uint32_t msPeriod);
+};
+
+#endif // SCHEDULER_H