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Paparazzi UAS
v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
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Paparazzi UAS
v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
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Implementation of SPI interface for ChibiOS arch. More...
#include "mcu_periph/spi.h"#include "mcu_periph/gpio.h"#include <BOARD_CONFIG>#include <string.h>#include "mcu_periph/ram_arch.h"
Include dependency graph for spi_arch.c:Go to the source code of this file.
Data Structures | |
| struct | spi_init |
Macros | |
| #define | SPI_THREAD_STACK_SIZE 512 |
| #define | SPI_DMA_BUF_LEN 512 |
Functions | |
| static ioportid_t | spi_resolve_slave_port (uint8_t slave) |
| Resolve slave port. More... | |
| static uint16_t | spi_resolve_slave_pin (uint8_t slave) |
| Resolve slave pin. More... | |
| static uint32_t | spi_resolve_CR1 (struct spi_transaction *t) |
| Resolve CR1 (or CFG1) More... | |
| static uint32_t | spi_resolve_CR2 (struct spi_transaction *t) |
| Resolve CR2 (or CFG2) More... | |
| static void | handle_spi_thd (struct spi_periph *p) |
| main thread function More... | |
| static void | thd_spi (void *arg) |
| Default spi thread. More... | |
| static | IN_DMA_SECTION (struct spi_init spi1_init_s) |
| Configure SPI peripherals. More... | |
| static | THD_WORKING_AREA (wa_thd_spi1, SPI_THREAD_STACK_SIZE) |
| void | spi1_arch_init (void) |
| Architecture dependent SPI1 initialization. More... | |
| static | THD_WORKING_AREA (wa_thd_spi2, SPI_THREAD_STACK_SIZE) |
| void | spi2_arch_init (void) |
| Architecture dependent SPI2 initialization. More... | |
| bool | spi_submit (struct spi_periph *p, struct spi_transaction *t) |
| Submit SPI transaction. More... | |
| void | spi_slave_select (uint8_t slave) |
| spi_slave_select() function More... | |
| void | spi_slave_unselect (uint8_t slave) |
| spi_slave_unselect() function More... | |
| bool | spi_lock (struct spi_periph *p, uint8_t slave) |
| spi_lock() function More... | |
| bool | spi_resume (struct spi_periph *p, uint8_t slave) |
| spi_resume() function More... | |
| void | spi_init_slaves (void) |
| spi_init_slaves() function More... | |
Implementation of SPI interface for ChibiOS arch.
Only Master mode is allowed in ChibiOS.
Definition in file spi_arch.c.
| struct spi_init |
Definition at line 58 of file spi_arch.c.
| Data Fields | ||
|---|---|---|
| char * | name | |
| semaphore_t | sem | |
| #define SPI_DMA_BUF_LEN 512 |
Definition at line 54 of file spi_arch.c.
| #define SPI_THREAD_STACK_SIZE 512 |
Definition at line 49 of file spi_arch.c.
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static |
main thread function
| [in] | p | pointer to an i2c peripheral |
Definition at line 302 of file spi_arch.c.
References spi_transaction::after_cb, spi_transaction::before_cb, spi_transaction::input_buf, spi_transaction::input_length, spi_transaction::output_buf, spi_transaction::output_length, p, spi_transaction::select, spi_init::sem, spi_transaction::slave_idx, spi_resolve_CR1(), spi_resolve_CR2(), spi_resolve_slave_pin(), spi_resolve_slave_port(), SPI_TRANSACTION_QUEUE_LEN, SPIIdle, SPIRunning, SPISelect, SPISelectUnselect, SPITransSuccess, SPIUnselect, and spi_transaction::status.
Referenced by thd_spi().
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Configure SPI peripherals.
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inlinestatic |
Resolve CR1 (or CFG1)
Given the transaction settings, returns the right configuration of SPIx_CR1 register.
This function is currently architecture dependent (for STM32F1xx STM32F4xx, STM32F7xx and STM32H7xx only) TODO: extend for other architectures too
| [in] | t | pointer to a spi_transaction struct |
Definition at line 203 of file spi_arch.c.
References SPICphaEdge2, SPICpolIdleHigh, SPIDiv128, SPIDiv16, SPIDiv2, SPIDiv256, SPIDiv32, SPIDiv4, SPIDiv64, SPIDiv8, SPIDss16bit, and SPILSBFirst.
Referenced by handle_spi_thd().
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inlinestatic |
Resolve CR2 (or CFG2)
Given the transaction settings, returns the right configuration of SPIx_CR2 register.
This function is currently architecture dependent (for STM32F1xx STM32F4xx, STM32F7xx and STM32H7xx only) TODO: extend for other architectures too
| [in] | t | pointer to a spi_transaction struct |
Definition at line 273 of file spi_arch.c.
References SPICphaEdge2, SPICpolIdleHigh, SPIDss16bit, and SPILSBFirst.
Referenced by handle_spi_thd().
Here is the caller graph for this function:Resolve slave pin.
Given the slave number and the board config file, returns the right pin (i.e. 12)
| [in] | slave | index number of a slave |
Definition at line 137 of file spi_arch.c.
References SPI_SELECT_SLAVE0_PIN, SPI_SELECT_SLAVE1_PIN, SPI_SELECT_SLAVE2_PIN, SPI_SELECT_SLAVE3_PIN, SPI_SELECT_SLAVE4_PIN, and SPI_SELECT_SLAVE5_PIN.
Referenced by handle_spi_thd().
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inlinestatic |
Resolve slave port.
Given the slave number and the board config file, returns the right port (i.e. GPIOC)
| [in] | slave | index number of a slave |
Definition at line 75 of file spi_arch.c.
References SPI_SELECT_SLAVE0_PORT, SPI_SELECT_SLAVE1_PORT, SPI_SELECT_SLAVE2_PORT, SPI_SELECT_SLAVE3_PORT, SPI_SELECT_SLAVE4_PORT, and SPI_SELECT_SLAVE5_PORT.
Referenced by handle_spi_thd().
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Default spi thread.
| arg | The SPI perpheral (struct spi_periph) |
Definition at line 399 of file spi_arch.c.
References handle_spi_thd(), spi_periph::init_struct, spi_init::name, and TRUE.
Referenced by spi1_arch_init(), and spi2_arch_init().
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1.9.1 
