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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * This file is part of Cleanflight and Betaflight. | ||
| * | ||
| * Cleanflight and Betaflight are free software. You can redistribute | ||
| * this software and/or modify this software 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. | ||
| * | ||
| * Cleanflight and Betaflight are distributed in the hope that they | ||
| * 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 software. | ||
| * | ||
| * If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #include <stdint.h> | ||
|
|
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| #include "platform.h" | ||
|
|
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| #ifdef USE_DMA_SPEC | ||
|
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| #include "drivers/adc.h" | ||
| #include "drivers/bus_spi.h" | ||
| #include "drivers/serial.h" | ||
| #include "drivers/serial_uart.h" | ||
|
|
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| #include "drivers/dma_reqmap.h" | ||
|
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| typedef struct dmaRequestMapping_s { | ||
| dmaPeripheral_e device; | ||
| uint8_t index; | ||
| dmaChannelSpec_t channelSpec[2]; | ||
| } dmaRequestMapping_t; | ||
|
|
||
| #if defined(STM32F4) || defined(STM32F7) | ||
| #define D(d, s, c) { DMA_CODE(d, s, c), DMA ## d ## _Stream ## s, c } | ||
|
|
||
| static const dmaRequestMapping_t dmaRequestMapping[] = { | ||
| #ifdef USE_SPI | ||
| // Everything including F405 and F446 | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_1, { D(2, 3, 3), D(2, 5, 3) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_1, { D(2, 0, 3), D(2, 2, 3) } }, | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_2, { D(1, 4, 0) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_2, { D(1, 3, 0) } }, | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_3, { D(1, 5, 0), D(1, 7, 0) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_3, { D(1, 0, 0), D(1, 2, 0) } }, | ||
|
|
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| #if defined(STM32F411xE) || defined(STM32F745xx) || defined(STM32F746xx) || defined(STM32F765xx) || defined(STM32F722xx) | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_4, { D(2, 1, 4) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_4, { D(2, 0, 4) } }, | ||
|
|
||
| #ifdef USE_EXTENDED_SPI_DEVICE | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_5, { D(2, 6, 7) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_5, { D(2, 5, 7) } }, | ||
|
|
||
| #if !defined(STM32F722xx) | ||
| { DMA_PERIPH_SPI_TX, SPIDEV_6, { D(2, 5, 1) } }, | ||
| { DMA_PERIPH_SPI_RX, SPIDEV_6, { D(2, 6, 1) } }, | ||
| #endif | ||
| #endif // USE_EXTENDED_SPI_DEVICE | ||
| #endif | ||
| #endif // USE_SPI | ||
|
|
||
| #ifdef USE_ADC | ||
| { DMA_PERIPH_ADC, ADCDEV_1, { D(2, 0, 0), D(2, 4, 0) } }, | ||
| { DMA_PERIPH_ADC, ADCDEV_2, { D(2, 2, 1), D(2, 3, 1) } }, | ||
| { DMA_PERIPH_ADC, ADCDEV_3, { D(2, 0, 2), D(2, 1, 2) } }, | ||
| #endif | ||
|
|
||
| #ifdef USE_SDCARD_SDIO | ||
| { DMA_PERIPH_SDIO, 0, { D(2, 3, 4), D(2, 6, 4) } }, | ||
| #endif | ||
|
|
||
| #ifdef USE_UART | ||
| { DMA_PERIPH_UART_TX, UARTDEV_1, { D(2, 7, 4) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_1, { D(2, 5, 4), D(2, 2, 4) } }, | ||
| { DMA_PERIPH_UART_TX, UARTDEV_2, { D(1, 6, 4) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_2, { D(1, 5, 4) } }, | ||
| { DMA_PERIPH_UART_TX, UARTDEV_3, { D(1, 3, 4) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_3, { D(1, 1, 4) } }, | ||
| { DMA_PERIPH_UART_TX, UARTDEV_4, { D(1, 4, 4) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_4, { D(1, 2, 4) } }, | ||
| { DMA_PERIPH_UART_TX, UARTDEV_5, { D(1, 7, 4) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_5, { D(1, 0, 4) } }, | ||
| { DMA_PERIPH_UART_TX, UARTDEV_6, { D(2, 6, 5), D(2, 7, 5) } }, | ||
| { DMA_PERIPH_UART_RX, UARTDEV_6, { D(2, 1, 5), D(2, 2, 5) } }, | ||
| #endif | ||
| }; | ||
| #undef D | ||
| #else // STM32F3 | ||
| // The embedded ADC24_DMA_REMAP conditional should be removed | ||
| // when (and if) F3 is going generic. | ||
| #define D(d, c) { DMA_CODE(d, 0, c), DMA ## d ## _Channel ## c } | ||
| static const dmaRequestMapping_t dmaRequestMapping[17] = { | ||
| #ifdef USE_SPI | ||
| { DMA_PERIPH_SPI_TX, 1, { D(1, 3) } }, | ||
| { DMA_PERIPH_SPI_RX, 1, { D(1, 2) } }, | ||
| { DMA_PERIPH_SPI_TX, 2, { D(1, 5) } }, | ||
| { DMA_PERIPH_SPI_RX, 2, { D(1, 4) } }, | ||
| { DMA_PERIPH_SPI_TX, 3, { D(2, 2) } }, | ||
| { DMA_PERIPH_SPI_RX, 3, { D(2, 1) } }, | ||
| #endif | ||
|
|
||
| #ifdef USE_ADC | ||
| { DMA_PERIPH_ADC, 1, { D(1, 1) } }, | ||
| #ifdef ADC24_DMA_REMAP | ||
| { DMA_PERIPH_ADC, 2, { D(2, 3) } }, | ||
| #else | ||
| { DMA_PERIPH_ADC, 2, { D(2, 1) } }, | ||
| #endif | ||
| { DMA_PERIPH_ADC, 3, { D(2, 5) } }, | ||
| #endif | ||
|
|
||
| #ifdef USE_UART | ||
| { DMA_PERIPH_UART_TX, 1, { D(1, 4) } }, | ||
| { DMA_PERIPH_UART_RX, 1, { D(1, 5) } }, | ||
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| { DMA_PERIPH_UART_TX, 2, { D(1, 7) } }, | ||
| { DMA_PERIPH_UART_RX, 2, { D(1, 6) } }, | ||
| { DMA_PERIPH_UART_TX, 3, { D(1, 2) } }, | ||
| { DMA_PERIPH_UART_RX, 3, { D(1, 3) } }, | ||
| { DMA_PERIPH_UART_TX, 4, { D(2, 5) } }, | ||
| { DMA_PERIPH_UART_RX, 4, { D(2, 3) } }, | ||
| }; | ||
| #endif | ||
| #undef D | ||
| #endif | ||
|
|
||
| const dmaChannelSpec_t *dmaGetChannelSpec(dmaPeripheral_e device, uint8_t index, int8_t opt) | ||
| { | ||
| if (opt < 0 || opt >= 2) { | ||
| return NULL; | ||
| } | ||
|
|
||
| for (unsigned i = 0 ; i < ARRAYLEN(dmaRequestMapping) ; i++) { | ||
| const dmaRequestMapping_t *periph = &dmaRequestMapping[i]; | ||
| if (periph->device == device && periph->index == index && periph->channelSpec[opt].ref) { | ||
| return &periph->channelSpec[opt]; | ||
| } | ||
| } | ||
|
|
||
| return NULL; | ||
| } | ||
| #endif // USE_DMA_SPEC |
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