diff --git a/workspace/TS100/Core/BSP/Pine64/I2C_Wrapper.cpp b/workspace/TS100/Core/BSP/Pine64/I2C_Wrapper.cpp index 0181a019..db011a89 100755 --- a/workspace/TS100/Core/BSP/Pine64/I2C_Wrapper.cpp +++ b/workspace/TS100/Core/BSP/Pine64/I2C_Wrapper.cpp @@ -12,521 +12,530 @@ SemaphoreHandle_t FRToSI2C::I2CSemaphore = nullptr; StaticSemaphore_t FRToSI2C::xSemaphoreBuffer; #define I2C_TIME_OUT (uint16_t)(12000) void FRToSI2C::CpltCallback() { - // TODO + // TODO } bool FRToSI2C::I2C_RegisterWrite(uint8_t address, uint8_t reg, uint8_t data) { - return Mem_Write(address, reg, &data, 1); + 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; + 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; - 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 *p_buffer, uint16_t number_of_byte) { + if (!lock()) + return false; + 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); + 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); - /* 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); + /* 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)) { - osDelay(1); - } - /* 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; - } - } - unlock(); - return true; + 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; + } + } + unlock(); + return true; } bool FRToSI2C::Mem_Write(uint16_t DevAddress, uint16_t MemAddress, - uint8_t *p_buffer, uint16_t number_of_byte) { - if (!lock()) - return false; + 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; + 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)) { - osDelay(2); - } - /* 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; - } - } - unlock(); - return timedout == false; + 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; + } + } + unlock(); + return timedout == false; } bool FRToSI2C::Transmit(uint16_t DevAddress, uint8_t *pData, uint16_t Size) { - return Mem_Write(DevAddress, pData[0], pData + 1, Size - 1); + 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)); + uint8_t temp[1]; + return Mem_Read(DevAddress, 0x00, temp, sizeof(temp)); } -void FRToSI2C::I2C_Unstick() { unstick_I2C(); } +void FRToSI2C::I2C_Unstick() { + unstick_I2C(); +} bool FRToSI2C::lock() { - if (I2CSemaphore == nullptr) { - return false; - } - return xSemaphoreTake(I2CSemaphore, 1000) == pdTRUE; + if (I2CSemaphore == nullptr) { + return false; + } + return xSemaphoreTake(I2CSemaphore, TICKS_SECOND) == pdTRUE; } -void FRToSI2C::unlock() { xSemaphoreGive(I2CSemaphore); } +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; + 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; + // 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); + 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; + 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; - } - } - unlock(); - return timedout == false; + 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; + } + } + unlock(); + return timedout == false; } diff --git a/workspace/TS100/Core/BSP/Pine64/Setup.cpp b/workspace/TS100/Core/BSP/Pine64/Setup.cpp index 2b29f618..bc19dcd0 100755 --- a/workspace/TS100/Core/BSP/Pine64/Setup.cpp +++ b/workspace/TS100/Core/BSP/Pine64/Setup.cpp @@ -61,16 +61,20 @@ void setup_gpio() { // OLED reset as output gpio_init(OLED_RESET_GPIO_Port, GPIO_MODE_OUT_PP, GPIO_OSPEED_2MHZ, OLED_RESET_Pin); + gpio_bit_set(SDA_GPIO_Port, SDA_Pin); + gpio_bit_set(SDA_GPIO_Port, SCL_Pin); // I2C as AF Open Drain - gpio_init(SDA_GPIO_Port, GPIO_MODE_AF_OD, GPIO_OSPEED_50MHZ, + gpio_init(SDA_GPIO_Port, GPIO_MODE_AF_OD, GPIO_OSPEED_2MHZ, SDA_Pin | SCL_Pin); // PWM output as AF Push Pull - gpio_init(PWM_Out_GPIO_Port, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, PWM_Out_Pin); + gpio_init(PWM_Out_GPIO_Port, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, + PWM_Out_Pin); // Analog Inputs ... as analog inputs - gpio_init(TMP36_INPUT_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_50MHZ, + gpio_init(TMP36_INPUT_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_2MHZ, TMP36_INPUT_Pin); - gpio_init(TIP_TEMP_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_50MHZ, TIP_TEMP_Pin); - gpio_init(VIN_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_50MHZ, VIN_Pin); + gpio_init(TIP_TEMP_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_2MHZ, + TIP_TEMP_Pin); + gpio_init(VIN_GPIO_Port, GPIO_MODE_AIN, GPIO_OSPEED_2MHZ, VIN_Pin); // Remap PB4 away from JTAG NJRST gpio_pin_remap_config(GPIO_SWJ_NONJTRST_REMAP, ENABLE); @@ -111,7 +115,7 @@ void setup_i2c() { /* enable I2C0 clock */ rcu_periph_clock_enable(RCU_I2C0); // Setup I20 at 400kHz - i2c_clock_config(I2C0, 400 * 1000, I2C_DTCY_16_9); + i2c_clock_config(I2C0, 400 * 1000, I2C_DTCY_2); i2c_mode_addr_config(I2C0, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0x00); i2c_enable(I2C0); /* enable acknowledge */ @@ -132,7 +136,7 @@ void setup_adc() { /* config ADC clock */ rcu_adc_clock_config(RCU_CKADC_CKAPB2_DIV16); // Run in normal parallel + inserted parallel - adc_mode_config(ADC0,ADC_DAUL_REGULAL_PARALLEL_INSERTED_PARALLEL); + adc_mode_config(ADC0, ADC_DAUL_REGULAL_PARALLEL_INSERTED_PARALLEL); adc_special_function_config(ADC0, ADC_CONTINUOUS_MODE, ENABLE); adc_special_function_config(ADC0, ADC_SCAN_MODE, ENABLE); adc_special_function_config(ADC1, ADC_CONTINUOUS_MODE, ENABLE); @@ -225,8 +229,10 @@ void setup_timers() { timer_ocintpara.outputstate = TIMER_CCX_ENABLE; timer_channel_output_config(TIMER1, TIMER_CH_0, &timer_ocintpara); - timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_0, powerPWM + holdoffTicks); - timer_channel_output_mode_config(TIMER1, TIMER_CH_0, TIMER_OC_MODE_PWM1); + timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_0, + powerPWM + holdoffTicks); + timer_channel_output_mode_config(TIMER1, TIMER_CH_0, + TIMER_OC_MODE_PWM1); timer_channel_output_shadow_config(TIMER1, TIMER_CH_0, TIMER_OC_SHADOW_DISABLE); /* CH1 used for irq */ @@ -236,7 +242,8 @@ void setup_timers() { timer_channel_output_config(TIMER1, TIMER_CH_1, &timer_ocintpara); timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_1, 0); - timer_channel_output_mode_config(TIMER1, TIMER_CH_1, TIMER_OC_MODE_PWM0); + timer_channel_output_mode_config(TIMER1, TIMER_CH_1, + TIMER_OC_MODE_PWM0); timer_channel_output_shadow_config(TIMER1, TIMER_CH_1, TIMER_OC_SHADOW_DISABLE); // IRQ @@ -269,7 +276,8 @@ void setup_timers() { timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW; timer_channel_output_config(TIMER2, TIMER_CH_0, &timer_ocintpara); timer_channel_output_pulse_value_config(TIMER2, TIMER_CH_0, 0); - timer_channel_output_mode_config(TIMER2, TIMER_CH_0, TIMER_OC_MODE_PWM0); + timer_channel_output_mode_config(TIMER2, TIMER_CH_0, + TIMER_OC_MODE_PWM0); timer_channel_output_shadow_config(TIMER2, TIMER_CH_0, TIMER_OC_SHADOW_DISABLE); timer_auto_reload_shadow_enable(TIMER2); diff --git a/workspace/TS100/Core/BSP/Pine64/preRTOS.cpp b/workspace/TS100/Core/BSP/Pine64/preRTOS.cpp index 68201936..013c9e4f 100755 --- a/workspace/TS100/Core/BSP/Pine64/preRTOS.cpp +++ b/workspace/TS100/Core/BSP/Pine64/preRTOS.cpp @@ -14,8 +14,9 @@ void preRToSInit() { //Normal system bringup -- GPIO etc hardware_init(); + delay_ms(5); gpio_bit_reset(OLED_RESET_GPIO_Port, OLED_RESET_Pin); - FRToSI2C::FRToSInit(); delay_ms(50); gpio_bit_set(OLED_RESET_GPIO_Port, OLED_RESET_Pin); + FRToSI2C::FRToSInit(); } diff --git a/workspace/TS100/Core/Drivers/OLED.cpp b/workspace/TS100/Core/Drivers/OLED.cpp index 0fd6bb3c..84e20aa8 100755 --- a/workspace/TS100/Core/Drivers/OLED.cpp +++ b/workspace/TS100/Core/Drivers/OLED.cpp @@ -96,12 +96,12 @@ void OLED::initialize() { // Set the display to be ON once the settings block is sent and send the // initialisation data to the OLED. - setDisplayState(DisplayState::ON); for (int tries = 0; tries < 10; tries++) { if (FRToSI2C::writeRegistersBulk(DEVICEADDR_OLED, OLED_Setup_Array, sizeof(OLED_Setup_Array) / sizeof(OLED_Setup_Array[0]))) { return; } } + setDisplayState(DisplayState::ON); } void OLED::setFramebuffer(uint8_t *buffer) { if (buffer == NULL) { @@ -171,7 +171,7 @@ void OLED::transitionSecondaryFramebuffer(bool forwardNavigation) { while (duration <= totalDuration) { duration = xTaskGetTickCount() - start; - uint8_t progress = duration * 1000 / totalDuration; + uint8_t progress = duration * TICKS_SECOND / totalDuration; progress = easeInOutTiming(progress); progress = lerp(0, OLED_WIDTH, progress); if (progress > OLED_WIDTH) {