/* * FRToSI2C.cpp * * Created on: 14Apr.,2018 * Author: Ralim */ #include "BSP.h" #include "IRQ.h" #include "Setup.h" #include SemaphoreHandle_t FRToSI2C::I2CSemaphore = nullptr; StaticSemaphore_t FRToSI2C::xSemaphoreBuffer; #define I2C_TIME_OUT (uint16_t)(12000) void FRToSI2C::CpltCallback() { // TODO } bool FRToSI2C::I2C_RegisterWrite(uint8_t address, uint8_t reg, uint8_t data) { return Mem_Write(address, reg, &data, 1); } uint8_t FRToSI2C::I2C_RegisterRead(uint8_t add, uint8_t reg) { uint8_t temp = 0; Mem_Read(add, reg, &temp, 1); return temp; } bool FRToSI2C::Mem_Read(uint16_t DevAddress, uint16_t read_address, uint8_t *p_buffer, uint16_t number_of_byte) { if (!lock()) return false; bool res = false; // perform_i2c_transaction(DevAddress, read_address, p_buffer, number_of_byte, false, false); if (!res) { I2C_Unstick(); } unlock(); return res; } bool FRToSI2C::Mem_Write(uint16_t DevAddress, uint16_t MemAddress, uint8_t *p_buffer, uint16_t number_of_byte) { if (!lock()) return false; bool res = false; // perform_i2c_transaction(DevAddress, MemAddress, p_buffer, number_of_byte, true, false); if (!res) { I2C_Unstick(); } unlock(); return res; } bool FRToSI2C::Transmit(uint16_t DevAddress, uint8_t *pData, uint16_t Size) { return Mem_Write(DevAddress, pData[0], pData + 1, Size - 1); } bool FRToSI2C::probe(uint16_t DevAddress) { uint8_t temp[1]; return Mem_Read(DevAddress, 0x00, temp, sizeof(temp)); } void FRToSI2C::I2C_Unstick() { unstick_I2C(); } bool FRToSI2C::lock() { if (I2CSemaphore == nullptr) { return false; } return xSemaphoreTake(I2CSemaphore, TICKS_SECOND) == pdTRUE; } void FRToSI2C::unlock() { xSemaphoreGive(I2CSemaphore); } bool FRToSI2C::writeRegistersBulk(const uint8_t address, const I2C_REG *registers, const uint8_t registersLength) { for (int index = 0; index < registersLength; index++) { if (!I2C_RegisterWrite(address, registers[index].reg, registers[index].val)) { return false; } if (registers[index].pause_ms) { delay_ms(registers[index].pause_ms); } } return true; } bool FRToSI2C::wakePart(uint16_t DevAddress) { // wakepart is a special case where only the device address is sent if (!lock()) return false; bool res = false; // perform_i2c_transaction(DevAddress, 0, NULL, 0, false, true); if (!res) { I2C_Unstick(); } unlock(); return res; }