/******************************************************************************* * Copyright © 2017 TRINAMIC Motion Control GmbH & Co. KG * (now owned by Analog Devices Inc.), * * Copyright © 2024 Analog Devices Inc. All Rights Reserved. * This software is proprietary to Analog Devices, Inc. and its licensors. *******************************************************************************/ #ifndef TMC_IC_TMC2240_H_ #include #include #include #include "TMC2240_HW_Abstraction.h" /******************************************************************************* * API Configuration Defines * These control optional features of the TMC-API implementation. * These can be commented in/out here or defined from the build system. *******************************************************************************/ // Uncomment if you want to save space..... // and put the table into your own .c file //#define TMC_API_EXTERNAL_CRC_TABLE 1 // To enable the cache mechanism in order to keep the copy of all registers, set TMC2240_CACHE to '1'. // With this mechanism the value of write-only registers could be read from their shadow copies. #ifndef TMC2240_CACHE #define TMC2240_CACHE 1 //#define TMC2240_CACHE 0 #endif // To use the caching mechanism already implemented by the TMC-API, set TMC2240_ENABLE_TMC_CACHE to '1'. // Set TMC2240_ENABLE_TMC_CACHE to '0' if one wants to have their own cache implementation. #ifndef TMC2240_ENABLE_TMC_CACHE #define TMC2240_ENABLE_TMC_CACHE 1 //#define TMC2240_ENABLE_TMC_CACHE 0 #endif /******************************************************************************/ typedef enum { IC_BUS_SPI, IC_BUS_UART, IC_BUS_WLAN, } TMC2240BusType; // => TMC-API wrapper extern void tmc2240_readWriteSPI(uint16_t icID, uint8_t *data, size_t dataLength); extern bool tmc2240_readWriteUART(uint16_t icID, uint8_t *data, size_t writeLength, size_t readLength); extern TMC2240BusType tmc2240_getBusType(uint16_t icID); extern uint8_t tmc2240_getNodeAddress(uint16_t icID); // => TMC-API wrapper int32_t tmc2240_readRegister(uint16_t icID, uint8_t address); void tmc2240_writeRegister(uint16_t icID, uint8_t address, int32_t value); typedef struct { uint32_t mask; uint8_t shift; uint8_t address; bool isSigned; } RegisterField; static inline uint32_t tmc2240_fieldExtract(uint32_t data, RegisterField field) { uint32_t value = (data & field.mask) >> field.shift; if (field.isSigned) { // Apply signedness conversion uint32_t baseMask = field.mask >> field.shift; uint32_t signMask = baseMask & (~baseMask >> 1); value = (value ^ signMask) - signMask; } return value; } static inline uint32_t tmc2240_fieldRead(uint16_t icID, RegisterField field) { uint32_t value = tmc2240_readRegister(icID, field.address); return tmc2240_fieldExtract(value, field); } static inline uint32_t tmc2240_fieldUpdate(uint32_t data, RegisterField field, uint32_t value) { return (data & (~field.mask)) | ((value << field.shift) & field.mask); } static inline void tmc2240_fieldWrite(uint16_t icID, RegisterField field, uint32_t value) { uint32_t regValue = tmc2240_readRegister(icID, field.address); regValue = tmc2240_fieldUpdate(regValue, field, value); tmc2240_writeRegister(icID, field.address, regValue); } /**************************************************************** Cache Implementation *************************************************************************/ #if TMC2240_CACHE == 1 #ifdef TMC2240_ENABLE_TMC_CACHE // By default, support one IC in the cache #ifndef TMC2240_IC_CACHE_COUNT #define TMC2240_IC_CACHE_COUNT 1 #endif typedef enum { TMC2240_CACHE_READ, TMC2240_CACHE_WRITE, // Special operation: Put content into the cache without marking the entry as dirty. // Only used to initialize the cache with hardware defaults. This will allow reading // from write-only registers that have a value inside them on reset. When using this // operation, a restore will *not* rewrite that filled register! TMC2240_CACHE_FILL_DEFAULT, } TMC2240CacheOp; typedef struct{ uint8_t address; uint32_t value; } TMC2240RegisterConstants; #define TMC2240_ACCESS_DIRTY 0x08 // Register has been written since reset -> shadow register is valid for restore #define TMC2240_ACCESS_READ 0x01 #define TMC2240_ACCESS_W_PRESET 0x42 #define TMC2240_IS_READABLE(x) ((x) & TMC2240_ACCESS_READ) #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) // Helper define: // Most register permission arrays are initialized with 128 values. // In those fields its quite hard to have an easy overview of available // registers. For that, ____ is defined to 0, since 4 underscores are // very easy to distinguish from the 2-digit hexadecimal values. // This way, the used registers (permission != ACCESS_NONE) are easily spotted // amongst unused (permission == ACCESS_NONE) registers. #define ____ 0x00 // Helper define: // Default reset values are not used if the corresponding register has a // hardware preset. Since this is not directly visible in the default // register reset values array, N_A is used as an indicator for a preset // value, where any value will be ignored anyways (N_A: not available). #define N_A 0 // Default Register values #define R00 0x00002108 // GCONF #define R0A 0x00000020 // DRVCONF #define R10 0x00070A03 // IHOLD_IRUN #define R11 0x0000000A // TPOWERDOWN #define R2B 0x00000001 // VSTOP #define R3A 0x00010000 // ENC_CONST #define R52 0x0B920F25 // OTW_OV_VTH #define R6C 0x14410153 // CHOPCONF #define R70 0xC44C001E // PWMCONF // Register access permissions: // 0x00: none (reserved) // 0x01: read // 0x02: write // 0x03: read/write // 0x13: read/write, separate functions/values for reading or writing // 0x23: read/write, flag register (write to clear) // 0x42: write, has hardware presets on reset static const uint8_t tmc2240_registerAccess[TMC2240_REGISTER_COUNT] = { // 0 1 2 3 4 5 6 7 8 9 A B C D E F 0x03, 0x23, 0x01, 0x03, 0x03, ____, ____, ____, ____, ____, 0x03, 0x03, ____, ____, ____, ____, // 0x00 - 0x0F 0x03, 0x03, 0x01, 0x03, 0x03, 0x03, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, // 0x10 - 0x1F ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, 0x03, ____, ____, // 0x20 - 0x2F ____, ____, ____, ____, ____, ____, ____, ____, 0x03, 0x03, 0x03, 0x23, 0x01, ____, ____, ____, // 0x30 - 0x3F ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, // 0x40 - 0x4F 0x01, 0x01, 0x03, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, ____, // 0x50 - 0x5F 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x01, 0x01, 0x03, 0x03, ____, 0x01, // 0x60 - 0x6F 0x03, 0x01, 0x01, ____, 0x03, 0x01, 0x01, ____, ____, ____, ____, ____, ____, ____, ____, ____ // 0x70 - 0x7F }; static const int32_t tmc2240_sampleRegisterPreset[TMC2240_REGISTER_COUNT] = { // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F R00, 0, 0, 0, 0, 0, 0, 0, 0, 0, R0A, 0, 0, 0, 0, 0, // 0x00 - 0x0F R10, R11, 0, 0, 0, 0, 0, 0, 0, 0, 0, R2B, 0, 0, 0, 0, // 0x10 - 0x1F 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x20 - 0x2F 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, R3A, 0, 0, 0, 0, 0, // 0x30 - 0x3F 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x40 - 0x4F 0, 0, R52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x50 - 0x5F N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A, 0, 0, R6C, 0, 0, 0, // 0x60 - 0x6F R70, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x70 - 0x7F }; // Register constants (only required for 0x42 registers, since we do not have // any way to find out the content but want to hold the actual value in the // shadow register so an application (i.e. the TMCL IDE) can still display // the values. This only works when the register content is constant. static const TMC2240RegisterConstants tmc2240_RegisterConstants[] = { // Use ascending addresses! { 0x60, 0xAAAAB554 }, // MSLUT[0] { 0x61, 0x4A9554AA }, // MSLUT[1] { 0x62, 0x24492929 }, // MSLUT[2] { 0x63, 0x10104222 }, // MSLUT[3] { 0x64, 0xFBFFFFFF }, // MSLUT[4] { 0x65, 0xB5BB777D }, // MSLUT[5] { 0x66, 0x49295556 }, // MSLUT[6] { 0x67, 0x00404222 }, // MSLUT[7] { 0x68, 0xFFFF8056 }, // MSLUTSEL { 0x69, 0x00F70000 } // MSLUTSTART }; extern uint8_t tmc2240_dirtyBits[TMC2240_IC_CACHE_COUNT][TMC2240_REGISTER_COUNT/8]; extern int32_t tmc2240_shadowRegister[TMC2240_IC_CACHE_COUNT][TMC2240_REGISTER_COUNT]; bool tmc2240_cache(uint16_t icID, TMC2240CacheOp operation, uint8_t address, uint32_t *value); void tmc2240_initCache(void); void tmc2240_setDirtyBit(uint16_t icID, uint8_t index, bool value); bool tmc2240_getDirtyBit(uint16_t icID, uint8_t index); #endif #endif /***************************************************************************************************************************************************/ #endif /* TMC_IC_TMC2240_H_ */