/** ****************************************************************************** * * @file pios_board.c * @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. * @brief Defines board specific static initializers for hardware for the AHRS board. * @see The GNU Public License (GPL) Version 3 * *****************************************************************************/ /* * 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, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #if defined(PIOS_INCLUDE_SPI) #include /* OP Interface * * NOTE: Leave this declared as const data so that it ends up in the * .rodata section (ie. Flash) rather than in the .bss section (RAM). */ void PIOS_SPI_op_irq_handler(void); void DMA1_Channel5_IRQHandler() __attribute__ ((alias("PIOS_SPI_op_irq_handler"))); void DMA1_Channel4_IRQHandler() __attribute__ ((alias("PIOS_SPI_op_irq_handler"))); static const struct pios_spi_cfg pios_spi_op_cfg = { .regs = SPI2, .init = { .SPI_Mode = SPI_Mode_Slave, .SPI_Direction = SPI_Direction_2Lines_FullDuplex, .SPI_DataSize = SPI_DataSize_8b, .SPI_NSS = SPI_NSS_Hard, .SPI_FirstBit = SPI_FirstBit_MSB, .SPI_CRCPolynomial = 7, .SPI_CPOL = SPI_CPOL_High, .SPI_CPHA = SPI_CPHA_2Edge, }, .use_crc = TRUE, .dma = { .ahb_clk = RCC_AHBPeriph_DMA1, .irq = { .flags = (DMA1_FLAG_TC4 | DMA1_FLAG_TE4 | DMA1_FLAG_HT4 | DMA1_FLAG_GL4), .init = { .NVIC_IRQChannel = DMA1_Channel4_IRQn, .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH, .NVIC_IRQChannelSubPriority = 0, .NVIC_IRQChannelCmd = ENABLE, }, }, .rx = { .channel = DMA1_Channel4, .init = { .DMA_PeripheralBaseAddr = (uint32_t) & (SPI2->DR), .DMA_DIR = DMA_DIR_PeripheralSRC, .DMA_PeripheralInc = DMA_PeripheralInc_Disable, .DMA_MemoryInc = DMA_MemoryInc_Enable, .DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte, .DMA_MemoryDataSize = DMA_MemoryDataSize_Byte, .DMA_Mode = DMA_Mode_Normal, .DMA_Priority = DMA_Priority_Medium, .DMA_M2M = DMA_M2M_Disable, }, }, .tx = { .channel = DMA1_Channel5, .init = { .DMA_PeripheralBaseAddr = (uint32_t) & (SPI2->DR), .DMA_DIR = DMA_DIR_PeripheralDST, .DMA_PeripheralInc = DMA_PeripheralInc_Disable, .DMA_MemoryInc = DMA_MemoryInc_Enable, .DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte, .DMA_MemoryDataSize = DMA_MemoryDataSize_Byte, .DMA_Mode = DMA_Mode_Normal, .DMA_Priority = DMA_Priority_Medium, .DMA_M2M = DMA_M2M_Disable, }, }, }, .ssel = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_12, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_IN_FLOATING, }, }, .sclk = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_13, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_IN_FLOATING, }, }, .miso = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_14, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_AF_PP, }, }, .mosi = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_15, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_IN_FLOATING, }, }, }; uint32_t pios_spi_op_id; void PIOS_SPI_op_irq_handler(void) { /* Call into the generic code to handle the IRQ for this specific device */ PIOS_SPI_IRQ_Handler(pios_spi_op_id); } #endif /* PIOS_INCLUDE_SPI */ /* * ADC system */ #include "pios_adc_priv.h" extern void PIOS_ADC_handler(void); void DMA1_Channel1_IRQHandler() __attribute__ ((alias("PIOS_ADC_handler"))); // Remap the ADC DMA handler to this one static const struct pios_adc_cfg pios_adc_cfg = { .dma = { .ahb_clk = RCC_AHBPeriph_DMA1, .irq = { .flags = (DMA1_FLAG_TC1 | DMA1_FLAG_TE1 | DMA1_FLAG_HT1 | DMA1_FLAG_GL1), .init = { .NVIC_IRQChannel = DMA1_Channel1_IRQn, .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH, .NVIC_IRQChannelSubPriority = 0, .NVIC_IRQChannelCmd = ENABLE, }, }, .rx = { .channel = DMA1_Channel1, .init = { .DMA_PeripheralBaseAddr = (uint32_t) & ADC1->DR, .DMA_DIR = DMA_DIR_PeripheralSRC, .DMA_PeripheralInc = DMA_PeripheralInc_Disable, .DMA_MemoryInc = DMA_MemoryInc_Enable, .DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word, .DMA_MemoryDataSize = DMA_MemoryDataSize_Word, .DMA_Mode = DMA_Mode_Circular, .DMA_Priority = DMA_Priority_High, .DMA_M2M = DMA_M2M_Disable, }, } }, .half_flag = DMA1_IT_HT1, .full_flag = DMA1_IT_TC1, }; struct pios_adc_dev pios_adc_devs[] = { { .cfg = &pios_adc_cfg, .callback_function = NULL, }, }; uint8_t pios_adc_num_devices = NELEMENTS(pios_adc_devs); void PIOS_ADC_handler() { PIOS_ADC_DMA_Handler(); } #if defined(PIOS_INCLUDE_USART) #include /* * AUX USART */ static const struct pios_usart_cfg pios_usart_aux_cfg = { .regs = USART3, .init = { .USART_BaudRate = 230400, .USART_WordLength = USART_WordLength_8b, .USART_Parity = USART_Parity_No, .USART_StopBits = USART_StopBits_1, .USART_HardwareFlowControl = USART_HardwareFlowControl_None, .USART_Mode = USART_Mode_Rx | USART_Mode_Tx, }, .irq = { .init = { .NVIC_IRQChannel = USART3_IRQn, .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH, .NVIC_IRQChannelSubPriority = 0, .NVIC_IRQChannelCmd = ENABLE, }, }, .rx = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_11, .GPIO_Speed = GPIO_Speed_2MHz, .GPIO_Mode = GPIO_Mode_IPU, }, }, .tx = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_10, .GPIO_Speed = GPIO_Speed_2MHz, .GPIO_Mode = GPIO_Mode_AF_PP, }, }, }; #endif /* PIOS_INCLUDE_USART */ #if defined(PIOS_INCLUDE_COM) #include #define PIOS_COM_AUX_TX_BUF_LEN 192 static uint8_t pios_com_aux_tx_buffer[PIOS_COM_AUX_TX_BUF_LEN]; #endif /* PIOS_INCLUDE_COM */ #if defined(PIOS_INCLUDE_I2C) #include /* * I2C Adapters */ void PIOS_I2C_main_adapter_ev_irq_handler(void); void PIOS_I2C_main_adapter_er_irq_handler(void); void I2C1_EV_IRQHandler() __attribute__ ((alias("PIOS_I2C_main_adapter_ev_irq_handler"))); void I2C1_ER_IRQHandler() __attribute__ ((alias("PIOS_I2C_main_adapter_er_irq_handler"))); static const struct pios_i2c_adapter_cfg pios_i2c_main_adapter_cfg = { .regs = I2C1, .init = { .I2C_Mode = I2C_Mode_I2C, .I2C_OwnAddress1 = 0, .I2C_Ack = I2C_Ack_Enable, .I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit, .I2C_DutyCycle = I2C_DutyCycle_2, .I2C_ClockSpeed = 200000, /* bits/s */ }, .transfer_timeout_ms = 50, .scl = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_6, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_AF_OD, }, }, .sda = { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_7, .GPIO_Speed = GPIO_Speed_10MHz, .GPIO_Mode = GPIO_Mode_AF_OD, }, }, .event = { .flags = 0, /* FIXME: check this */ .init = { .NVIC_IRQChannel = I2C1_EV_IRQn, .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST, .NVIC_IRQChannelSubPriority = 0, .NVIC_IRQChannelCmd = ENABLE, }, }, .error = { .flags = 0, /* FIXME: check this */ .init = { .NVIC_IRQChannel = I2C1_ER_IRQn, .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST, .NVIC_IRQChannelSubPriority = 0, .NVIC_IRQChannelCmd = ENABLE, }, }, }; uint32_t pios_i2c_main_adapter_id; void PIOS_I2C_main_adapter_ev_irq_handler(void) { /* Call into the generic code to handle the IRQ for this specific device */ PIOS_I2C_EV_IRQ_Handler(pios_i2c_main_adapter_id); } void PIOS_I2C_main_adapter_er_irq_handler(void) { /* Call into the generic code to handle the IRQ for this specific device */ PIOS_I2C_ER_IRQ_Handler(pios_i2c_main_adapter_id); } #endif /* PIOS_INCLUDE_I2C */ #if defined(PIOS_ENABLE_DEBUG_PINS) static const struct stm32_gpio pios_debug_pins[] = { { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_11, .GPIO_Speed = GPIO_Speed_50MHz, .GPIO_Mode = GPIO_Mode_IN_FLOATING, }, }, { .gpio = GPIOB, .init = { .GPIO_Pin = GPIO_Pin_10, .GPIO_Speed = GPIO_Speed_50MHz, .GPIO_Mode = GPIO_Mode_Out_PP, }, }, }; #endif /* PIOS_ENABLE_DEBUG_PINS */ extern const struct pios_com_driver pios_usart_com_driver; uint32_t pios_com_aux_id; uint8_t adc_fifo_buf[sizeof(float) * 6 * 4] __attribute__ ((aligned(4))); // align to 32-bit to try and provide speed improvement /** * PIOS_Board_Init() * initializes all the core subsystems on this specific hardware * called from System/openpilot.c */ void PIOS_Board_Init(void) { /* Brings up System using CMSIS functions, enables the LEDs. */ PIOS_SYS_Init(); PIOS_LED_On(LED1); /* Delay system */ PIOS_DELAY_Init(); /* Communication system */ #if !defined(PIOS_ENABLE_DEBUG_PINS) #if defined(PIOS_INCLUDE_COM) { uint32_t pios_usart_aux_id; if (PIOS_USART_Init(&pios_usart_aux_id, &pios_usart_aux_cfg)) { PIOS_DEBUG_Assert(0); } if (PIOS_COM_Init(&pios_com_aux_id, &pios_usart_com_driver, pios_usart_aux_id, NULL, 0, pios_com_aux_tx_buffer, sizeof(pios_com_aux_tx_buffer))) { PIOS_DEBUG_Assert(0); } } #endif /* PIOS_INCLUDE_COM */ #endif /* IAP System Setup */ PIOS_IAP_Init(); /* ADC system */ PIOS_ADC_Init(); extern uint8_t adc_oversampling; PIOS_ADC_Config(adc_oversampling); extern void adc_callback(float *); PIOS_ADC_SetCallback(adc_callback); /* ADC buffer */ extern t_fifo_buffer adc_fifo_buffer; fifoBuf_init(&adc_fifo_buffer, adc_fifo_buf, sizeof(adc_fifo_buf)); /* Setup the Accelerometer FS (Full-Scale) GPIO */ PIOS_GPIO_Enable(0); SET_ACCEL_6G; #if defined(PIOS_INCLUDE_HMC5843) && defined(PIOS_INCLUDE_I2C) /* Magnetic sensor system */ if (PIOS_I2C_Init(&pios_i2c_main_adapter_id, &pios_i2c_main_adapter_cfg)) { PIOS_DEBUG_Assert(0); } PIOS_HMC5843_Init(); #endif #if defined(PIOS_INCLUDE_SPI) #include "ahrs_spi_comm.h" AhrsInitComms(); /* Set up the SPI interface to the OP board */ if (PIOS_SPI_Init(&pios_spi_op_id, &pios_spi_op_cfg)) { PIOS_DEBUG_Assert(0); } AhrsConnect(pios_spi_op_id); #endif }