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Merge pull request #856 from Ralim/pinecil/reworki2c

Browse Source 
Pinecil | Rework I2C into much cleaner state machine
This commit is contained in:
Ben V. Brown
2021-03-02 18:38:16 +11:00
committed by GitHub
parent 2919483bd8 74909be645
commit 334de337c2
10 changed files with 350 additions and 511 deletions
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28
source/Core/BSP/Pine64/BSP.cpp
View File

@@ -88,19 +88,21 @@ uint16_t getInputVoltageX10(uint16_t divisor, uint8_t sample) {
void unstick_I2C() {
/* configure SDA/SCL for GPIO */
GPIO_BC(GPIOB) |= SDA_Pin | SCL_Pin;
gpio_init(SDA_GPIO_Port, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, SDA_Pin | SCL_Pin);
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
GPIO_BOP(GPIOB) |= SCL_Pin;
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
GPIO_BOP(GPIOB) |= SDA_Pin;
gpio_init(SDA_GPIO_Port, GPIO_MODE_OUT_OD, GPIO_OSPEED_50MHZ, SDA_Pin | SCL_Pin);
for (int i = 0; i < 8; i++) {
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
GPIO_BOP(GPIOB) |= SCL_Pin;
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
GPIO_BOP(GPIOB) &= SCL_Pin;
}
/* connect PB6 to I2C0_SCL */
/* connect PB7 to I2C0_SDA */
gpio_init(SDA_GPIO_Port, GPIO_MODE_AF_OD, GPIO_OSPEED_50MHZ, SDA_Pin | SCL_Pin);

56
source/Core/BSP/Pine64/Debug.cpp
View File

@@ -9,39 +9,39 @@
extern "C" {
#include "gd32vf103_usart.h"
}
char uartOutputBuffer[uartOutputBufferLength];
volatile uint32_t currentOutputPos = 0xFF;
volatile uint32_t outputLength = 0;
char uartOutputBuffer[uartOutputBufferLength];
volatile uint32_t currentOutputPos = 0xFF;
volatile uint32_t outputLength = 0;
extern volatile uint8_t pendingPWM;
void log_system_state(int32_t PWMWattsx10) {
if (currentOutputPos == 0xFF) {
void log_system_state(int32_t PWMWattsx10) {
if (currentOutputPos == 0xFF) {
// Want to print a CSV log out the uart
// Tip_Temp_C,Handle_Temp_C,Output_Power_Wattx10,PWM,Tip_Raw\r\n
// 3+1+3+1+3+1+3+1+5+2 = 23, so sizing at 32 for now
// Want to print a CSV log out the uart
// Tip_Temp_C,Handle_Temp_C,Output_Power_Wattx10,PWM,Tip_Raw\r\n
// 3+1+3+1+3+1+3+1+5+2 = 23, so sizing at 32 for now
outputLength = snprintf(uartOutputBuffer, uartOutputBufferLength, "%lu,%u,%li,%u,%lu\r\n", //
TipThermoModel::getTipInC(false), // Tip temp in C
getHandleTemperature(), // Handle temp in C X10
PWMWattsx10, // Output Wattage
pendingPWM, // PWM
TipThermoModel::convertTipRawADCTouV(getTipRawTemp(0), true) // Tip temp in uV
);
outputLength = snprintf(uartOutputBuffer, uartOutputBufferLength, "%lu,%u,%li,%u,%lu\r\n", //
TipThermoModel::getTipInC(false), // Tip temp in C
getHandleTemperature(), // Handle temp in C X10
PWMWattsx10, // Output Wattage
pendingPWM, // PWM
TipThermoModel::convertTipRawADCTouV(getTipRawTemp(0), true) // Tip temp in uV
);
// Now print this out the uart via IRQ (DMA cant be used as oled has it)
currentOutputPos = 0;
/* enable USART1 Transmit Buffer Empty interrupt */
usart_interrupt_enable(UART_PERIF, USART_INT_TBE);
}
// Now print this out the uart via IRQ (DMA cant be used as oled has it)
currentOutputPos = 0;
/* enable USART1 Transmit Buffer Empty interrupt */
usart_interrupt_enable(UART_PERIF, USART_INT_TBE);
}
}
void USART1_IRQHandler(void) {
if (RESET != usart_interrupt_flag_get(UART_PERIF, USART_INT_FLAG_TBE)) {
/* write one byte to the transmit data register */
usart_data_transmit(UART_PERIF, uartOutputBuffer[currentOutputPos++]);
if (currentOutputPos >= outputLength) {
currentOutputPos = 0xFF; // Mark done
usart_interrupt_disable(UART_PERIF, USART_INT_TBE);
}
}
if (RESET != usart_interrupt_flag_get(UART_PERIF, USART_INT_FLAG_TBE)) {
/* write one byte to the transmit data register */
usart_data_transmit(UART_PERIF, uartOutputBuffer[currentOutputPos++]);
if (currentOutputPos >= outputLength) {
currentOutputPos = 0xFF; // Mark done
usart_interrupt_disable(UART_PERIF, USART_INT_TBE);
}
}
}

699
source/Core/BSP/Pine64/I2C_Wrapper.cpp
View File

@@ -23,353 +23,281 @@ uint8_t FRToSI2C::I2C_RegisterRead(uint8_t add, uint8_t reg) {
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;
enum i2c_step {
// Write+read steps
Write_start, // Sending start on bus
Write_device_address, // start sent, send device address
Write_device_memory_address, // device address sent, write the memory location
Write_device_data_start, // Write all of the remaining data using DMA
Write_device_data_finish, // Write all of the remaining data using DMA
Read_start, // second read
Read_device_address, // Send device address again for the read
Read_device_data_start, // read device data via DMA
Read_device_data_finish, // read device data via DMA
Send_stop, // send the stop at the end of the transaction
Wait_stop, // Wait for stop to send and we are done
Done, // Finished
Error_occured, // Error occured on the bus
};
struct i2c_state {
i2c_step currentStep;
bool isMemoryWrite;
bool wakePart;
uint8_t deviceAddress;
uint8_t memoryAddress;
uint8_t * buffer;
uint16_t numberOfBytes;
dma_parameter_struct dma_init_struct;
};
volatile i2c_state currentState;
void perform_i2c_step() {
// Performs next step of the i2c state machine
if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_AERR);
// Arb error - we lost the bus / nacked
currentState.currentStep = Error_occured;
} else if (i2c_flag_get(I2C0, I2C_FLAG_BERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_BERR);
// Bus Error
currentState.currentStep = Error_occured;
} else if (i2c_flag_get(I2C0, I2C_FLAG_LOSTARB)) {
i2c_flag_clear(I2C0, I2C_FLAG_LOSTARB);
// Bus Error
currentState.currentStep = Error_occured;
} else if (i2c_flag_get(I2C0, I2C_FLAG_PECERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_PECERR);
// Bus Error
currentState.currentStep = Error_occured;
}
switch (currentState.currentStep) {
case Error_occured:
i2c_stop_on_bus(I2C0);
break;
case Write_start:
/* enable acknowledge */
i2c_ack_config(I2C0, I2C_ACK_ENABLE);
/* i2c master sends start signal only when the bus is idle */
if (!i2c_flag_get(I2C0, I2C_FLAG_I2CBSY)) {
/* send the start signal */
i2c_start_on_bus(I2C0);
currentState.currentStep = Write_device_address;
}
break;
case Write_device_address:
/* i2c master sends START signal successfully */
if (i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
i2c_master_addressing(I2C0, currentState.deviceAddress, I2C_TRANSMITTER);
currentState.currentStep = Write_device_memory_address;
}
break;
case Write_device_memory_address:
// Send the device memory location
if (i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) { // addr sent
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
if (i2c_flag_get(I2C0, I2C_FLAG_BERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_BERR);
// Bus Error
currentState.currentStep = Error_occured;
} else if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_AERR);
// Arb error - we lost the bus / nacked
currentState.currentStep = Error_occured;
} else if (currentState.wakePart) {
// We are stopping here
currentState.currentStep = Send_stop;
} else if (i2c_flag_get(I2C0, I2C_FLAG_TBE)) {
// Write out the 8 byte address
i2c_data_transmit(I2C0, currentState.memoryAddress);
if (currentState.isMemoryWrite) {
currentState.currentStep = Write_device_data_start;
} else {
currentState.currentStep = Read_start;
}
}
}
break;
case Write_device_data_start:
/* wait until BTC bit is set */
if (i2c_flag_get(I2C0, I2C_FLAG_BTC)) {
/* enable I2C0 DMA */
i2c_dma_enable(I2C0, I2C_DMA_ON);
/* enable DMA0 channel5 */
dma_channel_enable(DMA0, DMA_CH5);
currentState.currentStep = Write_device_data_finish;
}
break;
case Write_device_data_finish: // Wait for complete then goto stop
/* wait until BTC bit is set */
if (dma_flag_get(DMA0, DMA_CH5, DMA_FLAG_FTF)) {
/* wait until BTC bit is set */
if (i2c_flag_get(I2C0, I2C_FLAG_BTC)) {
currentState.currentStep = Send_stop;
}
}
break;
case Read_start:
/* wait until BTC bit is set */
if (i2c_flag_get(I2C0, I2C_FLAG_BTC)) {
i2c_start_on_bus(I2C0);
currentState.currentStep = Read_device_address;
}
break;
case Read_device_address:
if (i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
i2c_master_addressing(I2C0, currentState.deviceAddress, I2C_RECEIVER);
currentState.currentStep = Read_device_data_start;
}
break;
case Read_device_data_start:
if (i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) { // addr sent
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
// Arb error - we lost the bus / nacked
currentState.currentStep = Error_occured;
}
/* one byte master reception procedure (polling) */
if (currentState.numberOfBytes == 0) {
currentState.currentStep = Send_stop;
} else if (currentState.numberOfBytes == 1) {
/* disable acknowledge */
i2c_ack_config(I2C0, I2C_ACK_DISABLE);
/* clear ADDSEND register by reading I2C_STAT0 then I2C_STAT1 register
* (I2C_STAT0 has already been read) */
i2c_flag_get(I2C0, I2C_FLAG_ADDSEND); // sat0
i2c_flag_get(I2C0, I2C_FLAG_I2CBSY); // sat1
/* send a stop condition to I2C bus*/
i2c_stop_on_bus(I2C0);
/* wait for the byte to be received */
while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE))
;
/* read the byte received from the EEPROM */
*currentState.buffer = i2c_data_receive(I2C0);
currentState.currentStep = Wait_stop;
} else { /* more than one byte master reception procedure (DMA) */
/* enable I2C0 DMA */
i2c_dma_enable(I2C0, I2C_DMA_ON);
/* enable DMA0 channel5 */
dma_channel_enable(DMA0, DMA_CH6);
currentState.currentStep = Read_device_data_finish;
}
}
break;
case Read_device_data_finish: // Wait for complete then goto stop
/* wait until BTC bit is set */
if (dma_flag_get(DMA0, DMA_CH6, DMA_FLAG_FTF)) {
currentState.currentStep = Send_stop;
}
break;
case Send_stop:
/* send a stop condition to I2C bus*/
i2c_stop_on_bus(I2C0);
currentState.currentStep = Wait_stop;
break;
case Wait_stop:
/* i2c master sends STOP signal successfully */
if ((I2C_CTL0(I2C0) & 0x0200) != 0x0200) {
currentState.currentStep = Done;
}
break;
default:
// If we get here something is amiss
return;
}
}
bool perform_i2c_transaction(uint16_t DevAddress, uint16_t memory_address, uint8_t *p_buffer, uint16_t number_of_byte, bool isWrite, bool isWakeOnly) {
{
// TODO is this required
/* disable I2C0 */
i2c_disable(I2C0);
/* enable I2C0 */
i2c_enable(I2C0);
}
i2c_interrupt_disable(I2C0, I2C_INT_ERR);
i2c_interrupt_disable(I2C0, I2C_INT_BUF);
i2c_interrupt_disable(I2C0, I2C_INT_EV);
dma_parameter_struct dma_init_struct;
uint8_t state = I2C_START;
uint8_t in_rx_cycle = 0;
uint16_t timeout = 0;
uint8_t tries = 0;
uint8_t i2c_timeout_flag = 0;
while (!(i2c_timeout_flag)) {
switch (state) {
case I2C_START:
tries++;
if (tries > 64) {
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
unlock();
return false;
}
if (0 == in_rx_cycle) {
/* disable I2C0 */
i2c_disable(I2C0);
/* enable I2C0 */
i2c_enable(I2C0);
currentState.isMemoryWrite = isWrite;
currentState.wakePart = isWakeOnly;
currentState.deviceAddress = DevAddress;
currentState.memoryAddress = memory_address;
currentState.numberOfBytes = number_of_byte;
currentState.buffer = p_buffer;
if (!isWakeOnly) {
// Setup DMA
currentState.dma_init_struct.memory_width = DMA_MEMORY_WIDTH_8BIT;
currentState.dma_init_struct.memory_addr = (uint32_t)p_buffer;
currentState.dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
currentState.dma_init_struct.number = number_of_byte;
currentState.dma_init_struct.periph_addr = (uint32_t)&I2C_DATA(I2C0);
currentState.dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
currentState.dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT;
currentState.dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH;
if (currentState.isMemoryWrite) {
dma_deinit(DMA0, DMA_CH5);
currentState.dma_init_struct.direction = DMA_MEMORY_TO_PERIPHERAL;
dma_init(DMA0, DMA_CH5, (dma_parameter_struct *)&currentState.dma_init_struct);
} else {
dma_deinit(DMA0, DMA_CH6);
currentState.dma_init_struct.direction = DMA_PERIPHERAL_TO_MEMORY;
dma_init(DMA0, DMA_CH6, (dma_parameter_struct *)&currentState.dma_init_struct);
}
/* enable acknowledge */
i2c_ack_config(I2C0, I2C_ACK_ENABLE);
/* i2c master sends start signal only when the bus is idle */
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
/* send the start signal */
i2c_start_on_bus(I2C0);
timeout = 0;
state = I2C_SEND_ADDRESS;
} else {
I2C_Unstick();
timeout = 0;
state = I2C_START;
}
} else {
i2c_start_on_bus(I2C0);
timeout = 0;
state = I2C_SEND_ADDRESS;
}
break;
case I2C_SEND_ADDRESS:
/* i2c master sends START signal successfully */
while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
if (RESET == in_rx_cycle) {
i2c_master_addressing(I2C0, DevAddress, I2C_TRANSMITTER);
state = I2C_CLEAR_ADDRESS_FLAG;
} else {
i2c_master_addressing(I2C0, DevAddress, I2C_RECEIVER);
state = I2C_CLEAR_ADDRESS_FLAG;
}
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
in_rx_cycle = 0;
}
break;
case I2C_CLEAR_ADDRESS_FLAG:
/* address flag set means i2c slave sends ACK */
while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_AERR);
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
// Address NACK'd
unlock();
return false;
}
}
if (timeout < I2C_TIME_OUT) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
state = I2C_TRANSMIT_DATA;
} else {
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
// Address NACK'd
unlock();
return false;
}
break;
case I2C_TRANSMIT_DATA:
if (0 == in_rx_cycle) {
/* wait until the transmit data buffer is empty */
while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
// Write out the 8 byte address
i2c_data_transmit(I2C0, read_address);
timeout = 0;
} else {
timeout = 0;
state = I2C_START;
in_rx_cycle = 0;
}
/* wait until BTC bit is set */
while ((!i2c_flag_get(I2C0, I2C_FLAG_BTC)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
timeout = 0;
state = I2C_START;
in_rx_cycle = 1;
} else {
timeout = 0;
state = I2C_START;
in_rx_cycle = 0;
}
} else {
/* one byte master reception procedure (polling) */
if (number_of_byte < 2) {
/* disable acknowledge */
i2c_ack_config(I2C0, I2C_ACK_DISABLE);
/* clear ADDSEND register by reading I2C_STAT0 then I2C_STAT1 register
* (I2C_STAT0 has already been read) */
i2c_flag_get(I2C0, I2C_FLAG_ADDSEND);
/* send a stop condition to I2C bus*/
i2c_stop_on_bus(I2C0);
/* wait for the byte to be received */
while (!i2c_flag_get(I2C0, I2C_FLAG_RBNE))
;
/* read the byte received from the EEPROM */
*p_buffer = i2c_data_receive(I2C0);
/* decrement the read bytes counter */
number_of_byte--;
timeout = 0;
} else { /* more than one byte master reception procedure (DMA) */
dma_deinit(DMA0, DMA_CH6);
dma_init_struct.direction = DMA_PERIPHERAL_TO_MEMORY;
dma_init_struct.memory_addr = (uint32_t)p_buffer;
dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
dma_init_struct.memory_width = DMA_MEMORY_WIDTH_8BIT;
dma_init_struct.number = number_of_byte;
dma_init_struct.periph_addr = (uint32_t)&I2C_DATA(I2C0);
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT;
dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH;
dma_init(DMA0, DMA_CH6, &dma_init_struct);
i2c_dma_last_transfer_config(I2C0, I2C_DMALST_ON);
/* enable I2C0 DMA */
i2c_dma_enable(I2C0, I2C_DMA_ON);
/* enable DMA0 channel5 */
dma_channel_enable(DMA0, DMA_CH6);
/* wait until BTC bit is set */
while (!dma_flag_get(DMA0, DMA_CH6, DMA_FLAG_FTF)) {}
/* send a stop condition to I2C bus*/
i2c_stop_on_bus(I2C0);
}
timeout = 0;
state = I2C_STOP;
}
break;
case I2C_STOP:
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
timeout = 0;
state = I2C_END;
i2c_timeout_flag = I2C_OK;
} else {
timeout = 0;
state = I2C_START;
in_rx_cycle = 0;
}
break;
default:
state = I2C_START;
in_rx_cycle = 0;
i2c_timeout_flag = I2C_OK;
timeout = 0;
break;
if (!currentState.isMemoryWrite) {
i2c_dma_last_transfer_config(I2C0, I2C_DMALST_ON);
}
}
// Clear flags
I2C_STAT0(I2C0) = 0;
I2C_STAT1(I2C0) = 0;
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
currentState.currentStep = Write_start; // Always start in write mode
TickType_t timeout = xTaskGetTickCount() + TICKS_SECOND;
while ((currentState.currentStep != Done) && (currentState.currentStep != Error_occured)) {
if (xTaskGetTickCount() > timeout) {
i2c_stop_on_bus(I2C0);
return false;
}
perform_i2c_step();
}
return currentState.currentStep == Done;
}
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 = perform_i2c_transaction(DevAddress, read_address, p_buffer, number_of_byte, false, false);
if (!res) {
I2C_Unstick();
}
unlock();
return true;
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;
i2c_interrupt_disable(I2C0, I2C_INT_ERR);
i2c_interrupt_disable(I2C0, I2C_INT_EV);
i2c_interrupt_disable(I2C0, I2C_INT_BUF);
dma_parameter_struct dma_init_struct;
uint8_t state = I2C_START;
uint16_t timeout = 0;
bool done = false;
bool timedout = false;
while (!(done || timedout)) {
switch (state) {
case I2C_START:
/* i2c master sends start signal only when the bus is idle */
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
i2c_start_on_bus(I2C0);
timeout = 0;
state = I2C_SEND_ADDRESS;
} else {
I2C_Unstick();
timeout = 0;
state = I2C_START;
}
break;
case I2C_SEND_ADDRESS:
/* i2c master sends START signal successfully */
while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
i2c_master_addressing(I2C0, DevAddress, I2C_TRANSMITTER);
timeout = 0;
state = I2C_CLEAR_ADDRESS_FLAG;
} else {
timedout = true;
done = true;
timeout = 0;
state = I2C_START;
}
break;
case I2C_CLEAR_ADDRESS_FLAG:
/* address flag set means i2c slave sends ACK */
while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_AERR);
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
// Address NACK'd
unlock();
return false;
}
}
timeout = 0;
if (timeout < I2C_TIME_OUT) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
state = I2C_TRANSMIT_DATA;
} else {
// Dont retry as this means a NAK
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
unlock();
return false;
}
break;
case I2C_TRANSMIT_DATA:
/* wait until the transmit data buffer is empty */
while ((!i2c_flag_get(I2C0, I2C_FLAG_TBE)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
/* send the EEPROM's internal address to write to : only one byte
* address */
i2c_data_transmit(I2C0, MemAddress);
timeout = 0;
} else {
timedout = true;
timeout = 0;
state = I2C_START;
}
/* wait until BTC bit is set */
while (!i2c_flag_get(I2C0, I2C_FLAG_BTC))
;
dma_deinit(DMA0, DMA_CH5);
dma_init_struct.direction = DMA_MEMORY_TO_PERIPHERAL;
dma_init_struct.memory_addr = (uint32_t)p_buffer;
dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
dma_init_struct.memory_width = DMA_MEMORY_WIDTH_8BIT;
dma_init_struct.number = number_of_byte;
dma_init_struct.periph_addr = (uint32_t)&I2C_DATA(I2C0);
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT;
dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH;
dma_init(DMA0, DMA_CH5, &dma_init_struct);
/* enable I2C0 DMA */
i2c_dma_enable(I2C0, I2C_DMA_ON);
/* enable DMA0 channel5 */
dma_channel_enable(DMA0, DMA_CH5);
/* wait until BTC bit is set */
while (!dma_flag_get(DMA0, DMA_CH5, DMA_FLAG_FTF)) {}
/* wait until BTC bit is set */
while (!i2c_flag_get(I2C0, I2C_FLAG_BTC)) {}
state = I2C_STOP;
break;
case I2C_STOP:
/* send a stop condition to I2C bus */
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
timeout = 0;
state = I2C_END;
done = true;
} else {
timedout = true;
done = true;
timeout = 0;
state = I2C_START;
}
break;
default:
state = I2C_START;
timeout = 0;
break;
}
bool res = perform_i2c_transaction(DevAddress, MemAddress, p_buffer, number_of_byte, true, false);
if (!res) {
I2C_Unstick();
}
unlock();
return timedout == false;
return res;
}
bool FRToSI2C::Transmit(uint16_t DevAddress, uint8_t *pData, uint16_t Size) { return Mem_Write(DevAddress, pData[0], pData + 1, Size - 1); }
@@ -406,104 +334,15 @@ bool FRToSI2C::wakePart(uint16_t DevAddress) {
// wakepart is a special case where only the device address is sent
if (!lock())
return false;
i2c_interrupt_disable(I2C0, I2C_INT_ERR);
i2c_interrupt_disable(I2C0, I2C_INT_EV);
i2c_interrupt_disable(I2C0, I2C_INT_BUF);
uint8_t state = I2C_START;
uint16_t timeout = 0;
bool done = false;
bool timedout = false;
while (!(done || timedout)) {
switch (state) {
case I2C_START:
/* i2c master sends start signal only when the bus is idle */
while (i2c_flag_get(I2C0, I2C_FLAG_I2CBSY) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
i2c_start_on_bus(I2C0);
timeout = 0;
state = I2C_SEND_ADDRESS;
} else {
I2C_Unstick();
timeout = 0;
state = I2C_START;
}
break;
case I2C_SEND_ADDRESS:
/* i2c master sends START signal successfully */
while ((!i2c_flag_get(I2C0, I2C_FLAG_SBSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
i2c_master_addressing(I2C0, DevAddress, I2C_TRANSMITTER);
timeout = 0;
state = I2C_CLEAR_ADDRESS_FLAG;
} else {
timedout = true;
done = true;
timeout = 0;
state = I2C_START;
}
break;
case I2C_CLEAR_ADDRESS_FLAG:
/* address flag set means i2c slave sends ACK */
while ((!i2c_flag_get(I2C0, I2C_FLAG_ADDSEND)) && (timeout < I2C_TIME_OUT)) {
timeout++;
if (i2c_flag_get(I2C0, I2C_FLAG_AERR)) {
i2c_flag_clear(I2C0, I2C_FLAG_AERR);
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
// Address NACK'd
unlock();
return false;
}
}
if (timeout < I2C_TIME_OUT) {
i2c_flag_clear(I2C0, I2C_FLAG_ADDSEND);
timeout = 0;
state = I2C_STOP;
} else {
// Dont retry as this means a NAK
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
unlock();
return false;
}
break;
case I2C_STOP:
/* send a stop condition to I2C bus */
i2c_stop_on_bus(I2C0);
/* i2c master sends STOP signal successfully */
while ((I2C_CTL0(I2C0) & 0x0200) && (timeout < I2C_TIME_OUT)) {
timeout++;
}
if (timeout < I2C_TIME_OUT) {
timeout = 0;
state = I2C_END;
done = true;
} else {
timedout = true;
done = true;
timeout = 0;
state = I2C_START;
}
break;
default:
state = I2C_START;
timeout = 0;
break;
}
bool res = perform_i2c_transaction(DevAddress, 0, NULL, 0, false, true);
if (!res) {
I2C_Unstick();
}
unlock();
return timedout == false;
return res;
}
void I2C_EV_IRQ() {}
void I2C_ER_IRQ() {
// Error callbacks
}

5
source/Core/Drivers/FUSB302/policy_engine.cpp
View File

@@ -411,10 +411,9 @@ PolicyEngine::policy_engine_state PolicyEngine::pe_sink_ready() {
return PESinkSendSoftReset;
}
/* If we got an unknown message, send a soft reset ??? */
} else {
return PESinkSendSoftReset;
/* if we get an unknown message code, silently ignore it*/
return PESinkReady;
}
}
}

2
source/Core/Drivers/TipThermoModel.h
View File

@@ -21,7 +21,7 @@ public:
static uint32_t convertTipRawADCToDegC(uint16_t rawADC);
static uint32_t convertTipRawADCToDegF(uint16_t rawADC);
// Returns the uV of the tip reading before the op-amp compensating for pullups
static uint32_t convertTipRawADCTouV(uint16_t rawADC,bool skipCalOffset=false);
static uint32_t convertTipRawADCTouV(uint16_t rawADC, bool skipCalOffset = false);
static uint32_t convertCtoF(uint32_t degC);
static uint32_t convertFtoC(uint32_t degF);

10
source/Core/Inc/Settings.h
View File

@@ -32,11 +32,11 @@ typedef struct {
// into soldering mode when power is applied
uint8_t ShutdownTime; // Time until unit shuts down if left alone
uint8_t coolingTempBlink : 1; // Should the temperature blink on the cool
// down screen until its <50C
uint8_t detailedIDLE : 1; // Detailed idle screen
uint8_t detailedSoldering : 1; // Detailed soldering screens
uint8_t temperatureInF : 1; // Should the temp be in F or C (true is F)
uint8_t coolingTempBlink : 1; // Should the temperature blink on the cool
// down screen until its <50C
uint8_t detailedIDLE : 1; // Detailed idle screen
uint8_t detailedSoldering : 1; // Detailed soldering screens
uint8_t temperatureInF : 1; // Should the temp be in F or C (true is F)
uint8_t descriptionScrollSpeed : 1; // Description scroll speed
uint8_t lockingMode : 2; // Store the locking mode
uint8_t KeepAwakePulse; // Keep Awake pulse power in 0.1 watts (10 = 1Watt)

2
source/Core/Inc/Translation.h
View File

@@ -10,7 +10,7 @@
#include "stdint.h"
extern const uint8_t USER_FONT_12[];
extern const uint8_t USER_FONT_6x8[];
extern const bool HasFahrenheit;
extern const bool HasFahrenheit;
extern const char *SettingsShortNames[29][2];
extern const char *SettingsDescriptions[29];

30
source/Core/Src/Settings.cpp
View File

@@ -53,21 +53,21 @@ void resetSettings() {
systemSettings.SleepTemp = SLEEP_TEMP; // Temperature the iron sleeps at - default 150.0 C
systemSettings.SleepTime = SLEEP_TIME; // How many seconds/minutes we wait until going
// to sleep - default 1 min
systemSettings.SolderingTemp = SOLDERING_TEMP; // Default soldering temp is 320.0 C
systemSettings.minDCVoltageCells = CUT_OUT_SETTING; // default to no cut-off voltage
systemSettings.QCIdealVoltage = 0; // Default to 9V for QC3.0 Voltage
systemSettings.version = SETTINGSVERSION; // Store the version number to allow for easier upgrades
systemSettings.detailedSoldering = DETAILED_SOLDERING; // Detailed soldering screen
systemSettings.detailedIDLE = DETAILED_IDLE; // Detailed idle screen (off for first time users)
systemSettings.OrientationMode = ORIENTATION_MODE; // Default to automatic
systemSettings.sensitivity = SENSITIVITY; // Default high sensitivity
systemSettings.voltageDiv = VOLTAGE_DIV; // Default divider from schematic
systemSettings.ShutdownTime = SHUTDOWN_TIME; // How many minutes until the unit turns itself off
systemSettings.BoostTemp = BOOST_TEMP; // default to 400C
systemSettings.autoStartMode = AUTO_START_MODE; // Auto start off for safety
systemSettings.lockingMode = LOCKING_MODE; // Disable locking for safety
systemSettings.coolingTempBlink = COOLING_TEMP_BLINK; // Blink the temperature on the cooling screen when its > 50C
systemSettings.temperatureInF = TEMPERATURE_INF; // default to 0
systemSettings.SolderingTemp = SOLDERING_TEMP; // Default soldering temp is 320.0 C
systemSettings.minDCVoltageCells = CUT_OUT_SETTING; // default to no cut-off voltage
systemSettings.QCIdealVoltage = 0; // Default to 9V for QC3.0 Voltage
systemSettings.version = SETTINGSVERSION; // Store the version number to allow for easier upgrades
systemSettings.detailedSoldering = DETAILED_SOLDERING; // Detailed soldering screen
systemSettings.detailedIDLE = DETAILED_IDLE; // Detailed idle screen (off for first time users)
systemSettings.OrientationMode = ORIENTATION_MODE; // Default to automatic
systemSettings.sensitivity = SENSITIVITY; // Default high sensitivity
systemSettings.voltageDiv = VOLTAGE_DIV; // Default divider from schematic
systemSettings.ShutdownTime = SHUTDOWN_TIME; // How many minutes until the unit turns itself off
systemSettings.BoostTemp = BOOST_TEMP; // default to 400C
systemSettings.autoStartMode = AUTO_START_MODE; // Auto start off for safety
systemSettings.lockingMode = LOCKING_MODE; // Disable locking for safety
systemSettings.coolingTempBlink = COOLING_TEMP_BLINK; // Blink the temperature on the cooling screen when its > 50C
systemSettings.temperatureInF = TEMPERATURE_INF; // default to 0
systemSettings.descriptionScrollSpeed = DESCRIPTION_SCROLL_SPEED; // default to slow
systemSettings.CalibrationOffset = CALIBRATION_OFFSET; // the adc offset in uV
systemSettings.powerLimit = POWER_LIMIT; // 30 watts default limit

19
source/Core/Src/gui.cpp
View File

@@ -157,15 +157,16 @@ const menuitem solderingMenu[] = {
{NULL, NULL, NULL} // end of menu marker. DO NOT REMOVE
};
const menuitem UIMenu[] = {
/*
// Language
* Scrolling Speed
* Temperature Unit
* Display orientation
* Cooldown blink
* Reverse Temp change buttons + -
*/
{(const char *)SettingsDescriptions[5], settings_setTempF, settings_displayTempF}, /* Temperature units, this has to be the first element in the array to work with the logic in settings_enterUIMenu() */
/*
// Language
* Scrolling Speed
* Temperature Unit
* Display orientation
* Cooldown blink
* Reverse Temp change buttons + -
*/
{(const char *)SettingsDescriptions[5], settings_setTempF,
settings_displayTempF}, /* Temperature units, this has to be the first element in the array to work with the logic in settings_enterUIMenu() */
{(const char *)SettingsDescriptions[7], settings_setDisplayRotation, settings_displayDisplayRotation}, /*Display Rotation*/
{(const char *)SettingsDescriptions[10], settings_setCoolingBlinkEnabled, settings_displayCoolingBlinkEnabled}, /*Cooling blink warning*/
{(const char *)SettingsDescriptions[15], settings_setScrollSpeed, settings_displayScrollSpeed}, /*Scroll Speed for descriptions*/

10
source/Core/Threads/GUIThread.cpp
View File

@@ -70,8 +70,7 @@ void gui_drawTipTemp(bool symbol) {
uint32_t Temp = 0;
if (systemSettings.temperatureInF) {
Temp = TipThermoModel::getTipInF();
} else
{
} else {
Temp = TipThermoModel::getTipInC();
}
@@ -274,8 +273,7 @@ static void gui_solderingTempAdjust() {
OLED::printNumber(systemSettings.SolderingTemp, 3);
if (systemSettings.temperatureInF)
OLED::drawSymbol(0);
else
{
else {
OLED::drawSymbol(1);
}
OLED::print(SymbolSpace);
@@ -410,7 +408,7 @@ static bool shouldBeSleeping(bool inAutoStart) {
}
}
if (lastMovementTime > 0 || lastButtonTime > 0) {
if ((xTaskGetTickCount() - lastMovementTime) > getSleepTimeout() && (xTaskGetTickCount() - lastButtonTime) > getSleepTimeout()) {
if (((xTaskGetTickCount() - lastMovementTime) > getSleepTimeout()) && ((xTaskGetTickCount() - lastButtonTime) > getSleepTimeout())) {
return true;
}
}
@@ -419,7 +417,7 @@ static bool shouldBeSleeping(bool inAutoStart) {
#ifdef HALL_SENSOR
// If the hall effect sensor is enabled in the build, check if its over
// threshold, and if so then we force sleep
if (lookupHallEffectThreshold()) {
if (getHallSensorFitted() && lookupHallEffectThreshold()) {
int16_t hallEffectStrength = getRawHallEffect();
if (hallEffectStrength < 0)
hallEffectStrength = -hallEffectStrength;