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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/common/dma_common_f24.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/common/dma_common_f24.h | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/common/dma_common_f24.h b/libopencm3/include/libopencm3/stm32/common/dma_common_f24.h new file mode 100644 index 0000000..922a8b3 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/common/dma_common_f24.h @@ -0,0 +1,626 @@ +/** @addtogroup dma_defines + +@author @htmlonly © @endhtmlonly 2011 +Fergus Noble <fergusnoble@gmail.com> +@author @htmlonly © @endhtmlonly 2012 +Ken Sarkies <ksarkies@internode.on.net> + +*/ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com> + * Copyright (C) 2012 Ken Sarkies <ksarkies@internode.on.net> + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see <http://www.gnu.org/licenses/>. + */ + +/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA DMA.H +The order of header inclusion is important. dma.h includes the device +specific memorymap.h header before including this header file.*/ + +/** @cond */ +#ifdef LIBOPENCM3_DMA_H +/** @endcond */ +#ifndef LIBOPENCM3_DMA_COMMON_F24_H +#define LIBOPENCM3_DMA_COMMON_F24_H + +/**@{*/ + +/* --- Convenience macros -------------------------------------------------- */ + +/* DMA controller base addresses (for convenience) */ +#define DMA1 DMA1_BASE +#define DMA2 DMA2_BASE + +/* DMA stream base addresses (for API parameters) */ +/** @defgroup dma_st_number DMA Stream Number +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_STREAM0 0 +#define DMA_STREAM1 1 +#define DMA_STREAM2 2 +#define DMA_STREAM3 3 +#define DMA_STREAM4 4 +#define DMA_STREAM5 5 +#define DMA_STREAM6 6 +#define DMA_STREAM7 7 +/**@}*/ + +#define DMA_STREAM(port, n) ((port) + 0x10 + (24 * (n))) +#define DMA1_STREAM(n) DMA_STREAM(DMA1, n) +#define DMA2_STREAM(n) DMA_STREAM(DMA2, n) + +#define DMA1_STREAM0 DMA1_STREAM(0) +#define DMA1_STREAM1 DMA1_STREAM(1) +#define DMA1_STREAM2 DMA1_STREAM(2) +#define DMA1_STREAM3 DMA1_STREAM(3) +#define DMA1_STREAM4 DMA1_STREAM(4) +#define DMA1_STREAM5 DMA1_STREAM(5) +#define DMA1_STREAM6 DMA1_STREAM(6) +#define DMA1_STREAM7 DMA1_STREAM(7) + +#define DMA2_STREAM0 DMA2_STREAM(0) +#define DMA2_STREAM1 DMA2_STREAM(1) +#define DMA2_STREAM2 DMA2_STREAM(2) +#define DMA2_STREAM3 DMA2_STREAM(3) +#define DMA2_STREAM4 DMA2_STREAM(4) +#define DMA2_STREAM5 DMA2_STREAM(5) +#define DMA2_STREAM6 DMA2_STREAM(6) +#define DMA2_STREAM7 DMA2_STREAM(7) + +/* --- DMA controller registers -------------------------------------------- */ + +/* DMA low interrupt status register (DMAx_LISR) */ +#define DMA_LISR(port) MMIO32(port + 0x00) +#define DMA1_LISR DMA_LISR(DMA1) +#define DMA2_LISR DMA_LISR(DMA2) + +/* DMA high interrupt status register (DMAx_HISR) */ +#define DMA_HISR(port) MMIO32(port + 0x04) +#define DMA1_HISR DMA_HISR(DMA1) +#define DMA2_HISR DMA_HISR(DMA2) + +/* DMA low interrupt flag clear register (DMAx_LIFCR) */ +#define DMA_LIFCR(port) MMIO32(port + 0x08) +#define DMA1_LIFCR DMA_LIFCR(DMA1) +#define DMA2_LIFCR DMA_LIFCR(DMA2) + +/* DMA high interrupt flag clear register (DMAx_HIFCR) */ +#define DMA_HIFCR(port) MMIO32(port + 0x0C) +#define DMA1_HIFCR DMA_HIFCR(DMA1) +#define DMA2_HIFCR DMA_HIFCR(DMA2) + +/* --- DMA stream registers ------------------------------------------------ */ + +/* DMA Stream x configuration register (DMA_SxCR) */ +#define DMA_SCR(port, n) MMIO32(DMA_STREAM(port, n) + 0x00) +#define DMA1_SCR(n) DMA_SCR(DMA1, n) +#define DMA2_SCR(n) DMA_SCR(DMA2, n) + +#define DMA1_S0CR DMA1_SCR(0) +#define DMA1_S1CR DMA1_SCR(1) +#define DMA1_S2CR DMA1_SCR(2) +#define DMA1_S3CR DMA1_SCR(3) +#define DMA1_S4CR DMA1_SCR(4) +#define DMA1_S5CR DMA1_SCR(5) +#define DMA1_S6CR DMA1_SCR(6) +#define DMA1_S7CR DMA1_SCR(7) + +#define DMA2_S0CR DMA2_SCR(0) +#define DMA2_S1CR DMA2_SCR(1) +#define DMA2_S2CR DMA2_SCR(2) +#define DMA2_S3CR DMA2_SCR(3) +#define DMA2_S4CR DMA2_SCR(4) +#define DMA2_S5CR DMA2_SCR(5) +#define DMA2_S6CR DMA2_SCR(6) +#define DMA2_S7CR DMA2_SCR(7) + +/* DMA Stream x number of data register (DMA_SxNDTR) */ +#define DMA_SNDTR(port, n) MMIO32(DMA_STREAM(port, n) + 0x04) +#define DMA1_SNDTR(n) DMA_SNDTR(DMA1, n) +#define DMA2_SNDTR(n) DMA_SNDTR(DMA2, n) + +#define DMA1_S0NDTR DMA1_SNDTR(0) +#define DMA1_S1NDTR DMA1_SNDTR(1) +#define DMA1_S2NDTR DMA1_SNDTR(2) +#define DMA1_S3NDTR DMA1_SNDTR(3) +#define DMA1_S4NDTR DMA1_SNDTR(4) +#define DMA1_S5NDTR DMA1_SNDTR(5) +#define DMA1_S6NDTR DMA1_SNDTR(6) +#define DMA1_S7NDTR DMA1_SNDTR(7) + +#define DMA2_S0NDTR DMA2_SNDTR(0) +#define DMA2_S1NDTR DMA2_SNDTR(1) +#define DMA2_S2NDTR DMA2_SNDTR(2) +#define DMA2_S3NDTR DMA2_SNDTR(3) +#define DMA2_S4NDTR DMA2_SNDTR(4) +#define DMA2_S5NDTR DMA2_SNDTR(5) +#define DMA2_S6NDTR DMA2_SNDTR(6) +#define DMA2_S7NDTR DMA2_SNDTR(7) + +/* DMA Stream x peripheral address register (DMA_SxPAR) */ +#define DMA_SPAR(port, n) (*(volatile void **)\ + (DMA_STREAM(port, n) + 0x08)) +#define DMA1_SPAR(n) DMA_SPAR(DMA1, n) +#define DMA2_SPAR(n) DMA_SPAR(DMA2, n) + +#define DMA1_S0PAR DMA1_SPAR(0) +#define DMA1_S1PAR DMA1_SPAR(1) +#define DMA1_S2PAR DMA1_SPAR(2) +#define DMA1_S3PAR DMA1_SPAR(3) +#define DMA1_S4PAR DMA1_SPAR(4) +#define DMA1_S5PAR DMA1_SPAR(5) +#define DMA1_S6PAR DMA1_SPAR(6) +#define DMA1_S7PAR DMA1_SPAR(7) + +#define DMA2_S0PAR DMA2_SPAR(0) +#define DMA2_S1PAR DMA2_SPAR(1) +#define DMA2_S2PAR DMA2_SPAR(2) +#define DMA2_S3PAR DMA2_SPAR(3) +#define DMA2_S4PAR DMA2_SPAR(4) +#define DMA2_S5PAR DMA2_SPAR(5) +#define DMA2_S6PAR DMA2_SPAR(6) +#define DMA2_S7PAR DMA2_SPAR(7) + +/* DMA Stream x memory address 0 register (DMA_SxM0AR) */ +#define DMA_SM0AR(port, n) (*(volatile void **) \ + (DMA_STREAM(port, n) + 0x0c)) +#define DMA1_SM0AR(n) DMA_SM0AR(DMA1, n) +#define DMA2_SM0AR(n) DMA_SM0AR(DMA2, n) + +#define DMA1_S0M0AR DMA1_SM0AR(0) +#define DMA1_S1M0AR DMA1_SM0AR(1) +#define DMA1_S2M0AR DMA1_SM0AR(2) +#define DMA1_S3M0AR DMA1_SM0AR(3) +#define DMA1_S4M0AR DMA1_SM0AR(4) +#define DMA1_S5M0AR DMA1_SM0AR(5) +#define DMA1_S6M0AR DMA1_SM0AR(6) +#define DMA1_S7M0AR DMA1_SM0AR(7) + +#define DMA2_S0M0AR DMA2_SM0AR(0) +#define DMA2_S1M0AR DMA2_SM0AR(1) +#define DMA2_S2M0AR DMA2_SM0AR(2) +#define DMA2_S3M0AR DMA2_SM0AR(3) +#define DMA2_S4M0AR DMA2_SM0AR(4) +#define DMA2_S5M0AR DMA2_SM0AR(5) +#define DMA2_S6M0AR DMA2_SM0AR(6) +#define DMA2_S7M0AR DMA2_SM0AR(7) + +/* DMA Stream x memory address 1 register (DMA_SxM1AR) */ +#define DMA_SM1AR(port, n) (*(volatile void **)\ + (DMA_STREAM(port, n) + 0x10)) +#define DMA1_SM1AR(n) DMA_SM1AR(DMA1, n) +#define DMA2_SM1AR(n) DMA_SM1AR(DMA2, n) + +#define DMA1_S0M1AR DMA1_SM1AR(0) +#define DMA1_S1M1AR DMA1_SM1AR(1) +#define DMA1_S2M1AR DMA1_SM1AR(2) +#define DMA1_S3M1AR DMA1_SM1AR(3) +#define DMA1_S4M1AR DMA1_SM1AR(4) +#define DMA1_S5M1AR DMA1_SM1AR(5) +#define DMA1_S6M1AR DMA1_SM1AR(6) +#define DMA1_S7M1AR DMA1_SM1AR(7) + +#define DMA2_S0M1AR DMA2_SM1AR(0) +#define DMA2_S1M1AR DMA2_SM1AR(1) +#define DMA2_S2M1AR DMA2_SM1AR(2) +#define DMA2_S3M1AR DMA2_SM1AR(3) +#define DMA2_S4M1AR DMA2_SM1AR(4) +#define DMA2_S5M1AR DMA2_SM1AR(5) +#define DMA2_S6M1AR DMA2_SM1AR(6) +#define DMA2_S7M1AR DMA2_SM1AR(7) + +/* DMA Stream x FIFO control register (DMA_SxFCR) */ +#define DMA_SFCR(port, n) MMIO32(DMA_STREAM(port, n) + 0x14) +#define DMA1_SFCR(n) DMA_SFCR(DMA1, n) +#define DMA2_SFCR(n) DMA_SFCR(DMA2, n) + +#define DMA1_S0FCR DMA1_SFCR(0) +#define DMA1_S1FCR DMA1_SFCR(1) +#define DMA1_S2FCR DMA1_SFCR(2) +#define DMA1_S3FCR DMA1_SFCR(3) +#define DMA1_S4FCR DMA1_SFCR(4) +#define DMA1_S5FCR DMA1_SFCR(5) +#define DMA1_S6FCR DMA1_SFCR(6) +#define DMA1_S7FCR DMA1_SFCR(7) + +#define DMA2_S0FCR DMA2_SFCR(0) +#define DMA2_S1FCR DMA2_SFCR(1) +#define DMA2_S2FCR DMA2_SFCR(2) +#define DMA2_S3FCR DMA2_SFCR(3) +#define DMA2_S4FCR DMA2_SFCR(4) +#define DMA2_S5FCR DMA2_SFCR(5) +#define DMA2_S6FCR DMA2_SFCR(6) +#define DMA2_S7FCR DMA2_SFCR(7) + +/* --- DMA Interrupt Flag offset values ------------------------------------- */ + +/* For API parameters. These are based on every interrupt flag and flag clear +being at the same relative location */ +/** @defgroup dma_if_offset DMA Interrupt Flag Offsets within stream flag group. +@ingroup dma_defines + +@{*/ +/** Transfer Complete Interrupt Flag */ +#define DMA_TCIF (1 << 5) +/** Half Transfer Interrupt Flag */ +#define DMA_HTIF (1 << 4) +/** Transfer Error Interrupt Flag */ +#define DMA_TEIF (1 << 3) +/** Direct Mode Error Interrupt Flag */ +#define DMA_DMEIF (1 << 2) +/** FIFO Error Interrupt Flag */ +#define DMA_FEIF (1 << 0) +/**@}*/ + +/* Offset within interrupt status register to start of stream interrupt flag + * field + */ +#define DMA_ISR_OFFSET(stream) (6*(stream & 0x01)+16*((stream & 0x02) >> 1)) +#define DMA_ISR_FLAGS (DMA_TCIF | DMA_HTIF | DMA_TEIF | DMA_DMEIF | \ + DMA_FEIF) +#define DMA_ISR_MASK(stream) (DMA_ISR_FLAGS << DMA_ISR_OFFSET(stream)) + +/* --- DMA_LISR values ----------------------------------------------------- */ + +#define DMA_LISR_FEIF0 (1 << 0) +#define DMA_LISR_DMEIF0 (1 << 2) +#define DMA_LISR_TEIF0 (1 << 3) +#define DMA_LISR_HTIF0 (1 << 4) +#define DMA_LISR_TCIF0 (1 << 5) + +#define DMA_LISR_FEIF1 (1 << 6) +#define DMA_LISR_DMEIF1 (1 << 8) +#define DMA_LISR_TEIF1 (1 << 9) +#define DMA_LISR_HTIF1 (1 << 10) +#define DMA_LISR_TCIF1 (1 << 11) + +#define DMA_LISR_FEIF2 (1 << 16) +#define DMA_LISR_DMEIF2 (1 << 18) +#define DMA_LISR_TEIF2 (1 << 19) +#define DMA_LISR_HTIF2 (1 << 20) +#define DMA_LISR_TCIF2 (1 << 21) + +#define DMA_LISR_FEIF3 (1 << 22) +#define DMA_LISR_DMEIF3 (1 << 24) +#define DMA_LISR_TEIF3 (1 << 25) +#define DMA_LISR_HTIF3 (1 << 26) +#define DMA_LISR_TCIF3 (1 << 27) + +/* --- DMA_HISR values ----------------------------------------------------- */ + +#define DMA_HISR_FEIF4 (1 << 0) +#define DMA_HISR_DMEIF4 (1 << 2) +#define DMA_HISR_TEIF4 (1 << 3) +#define DMA_HISR_HTIF4 (1 << 4) +#define DMA_HISR_TCIF4 (1 << 5) + +#define DMA_HISR_FEIF5 (1 << 6) +#define DMA_HISR_DMEIF5 (1 << 8) +#define DMA_HISR_TEIF5 (1 << 9) +#define DMA_HISR_HTIF5 (1 << 10) +#define DMA_HISR_TCIF5 (1 << 11) + +#define DMA_HISR_FEIF6 (1 << 16) +#define DMA_HISR_DMEIF6 (1 << 18) +#define DMA_HISR_TEIF6 (1 << 19) +#define DMA_HISR_HTIF6 (1 << 20) +#define DMA_HISR_TCIF6 (1 << 21) + +#define DMA_HISR_FEIF7 (1 << 22) +#define DMA_HISR_DMEIF7 (1 << 24) +#define DMA_HISR_TEIF7 (1 << 25) +#define DMA_HISR_HTIF7 (1 << 26) +#define DMA_HISR_TCIF7 (1 << 27) + +/* --- DMA_LIFCR values ----------------------------------------------------- */ + +#define DMA_LIFCR_CFEIF0 (1 << 0) +#define DMA_LIFCR_CDMEIF0 (1 << 2) +#define DMA_LIFCR_CTEIF0 (1 << 3) +#define DMA_LIFCR_CHTIF0 (1 << 4) +#define DMA_LIFCR_CTCIF0 (1 << 5) + +#define DMA_LIFCR_CFEIF1 (1 << 6) +#define DMA_LIFCR_CDMEIF1 (1 << 8) +#define DMA_LIFCR_CTEIF1 (1 << 9) +#define DMA_LIFCR_CHTIF1 (1 << 10) +#define DMA_LIFCR_CTCIF1 (1 << 11) + +#define DMA_LIFCR_CFEIF2 (1 << 16) +#define DMA_LIFCR_CDMEIF2 (1 << 18) +#define DMA_LIFCR_CTEIF2 (1 << 19) +#define DMA_LIFCR_CHTIF2 (1 << 20) +#define DMA_LIFCR_CTCIF2 (1 << 21) + +#define DMA_LIFCR_CFEIF3 (1 << 22) +#define DMA_LIFCR_CDMEIF3 (1 << 24) +#define DMA_LIFCR_CTEIF3 (1 << 25) +#define DMA_LIFCR_CHTIF3 (1 << 26) +#define DMA_LIFCR_CTCIF3 (1 << 27) + +/* --- DMA_HIFCR values ----------------------------------------------------- */ + +#define DMA_HIFCR_CFEIF4 (1 << 0) +#define DMA_HIFCR_CDMEIF4 (1 << 2) +#define DMA_HIFCR_CTEIF4 (1 << 3) +#define DMA_HIFCR_CHTIF4 (1 << 4) +#define DMA_HIFCR_CTCIF4 (1 << 5) + +#define DMA_HIFCR_CFEIF5 (1 << 6) +#define DMA_HIFCR_CDMEIF5 (1 << 8) +#define DMA_HIFCR_CTEIF5 (1 << 9) +#define DMA_HIFCR_CHTIF5 (1 << 10) +#define DMA_HIFCR_CTCIF5 (1 << 11) + +#define DMA_HIFCR_CFEIF6 (1 << 16) +#define DMA_HIFCR_CDMEIF6 (1 << 18) +#define DMA_HIFCR_CTEIF6 (1 << 19) +#define DMA_HIFCR_CHTIF6 (1 << 20) +#define DMA_HIFCR_CTCIF6 (1 << 21) + +#define DMA_HIFCR_CFEIF7 (1 << 22) +#define DMA_HIFCR_CDMEIF7 (1 << 24) +#define DMA_HIFCR_CTEIF7 (1 << 25) +#define DMA_HIFCR_CHTIF7 (1 << 26) +#define DMA_HIFCR_CTCIF7 (1 << 27) + +/* --- DMA_SxCR values ----------------------------------------------------- */ + +/* EN: Stream enable */ +#define DMA_SxCR_EN (1 << 0) +/* DMEIE: Direct Mode error interrupt enable */ +#define DMA_SxCR_DMEIE (1 << 1) +/* TEIE: Transfer error interrupt enable */ +#define DMA_SxCR_TEIE (1 << 2) +/* HTIE: Half transfer interrupt enable */ +#define DMA_SxCR_HTIE (1 << 3) +/* TCIE: Transfer complete interrupt enable */ +#define DMA_SxCR_TCIE (1 << 4) +/* PFCTRL: Peripheral Flow Controller */ +#define DMA_SxCR_PFCTRL (1 << 5) + +/* DIR[7:6]: Data transfer direction */ +/** @defgroup dma_st_dir DMA Stream Data transfer direction +@ingroup dma_defines + +@{*/ +#define DMA_SxCR_DIR_PERIPHERAL_TO_MEM (0 << 6) +#define DMA_SxCR_DIR_MEM_TO_PERIPHERAL (1 << 6) +#define DMA_SxCR_DIR_MEM_TO_MEM (2 << 6) +/**@}*/ +#define DMA_SxCR_DIR_SHIFT 6 +#define DMA_SxCR_DIR_MASK (3 << 6) + +/* CIRC: Circular mode */ +#define DMA_SxCR_CIRC (1 << 8) +/* PINC: Peripheral increment mode */ +#define DMA_SxCR_PINC (1 << 9) +/* MINC: Memory increment mode */ +#define DMA_SxCR_MINC (1 << 10) + +/* PSIZE[12:11]: Peripheral size */ +/** @defgroup dma_st_perwidth DMA Stream Peripheral Word Width +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_SxCR_PSIZE_8BIT (0 << 11) +#define DMA_SxCR_PSIZE_16BIT (1 << 11) +#define DMA_SxCR_PSIZE_32BIT (2 << 11) +/**@}*/ +#define DMA_SxCR_PSIZE_SHIFT 11 +#define DMA_SxCR_PSIZE_MASK (3 << 11) + +/* MSIZE[14:13]: Memory size */ +/** @defgroup dma_st_memwidth DMA Stream Memory Word Width +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_SxCR_MSIZE_8BIT (0 << 13) +#define DMA_SxCR_MSIZE_16BIT (1 << 13) +#define DMA_SxCR_MSIZE_32BIT (2 << 13) +/**@}*/ +#define DMA_SxCR_MSIZE_SHIFT 13 +#define DMA_SxCR_MSIZE_MASK (3 << 13) + +/* PINCOS: Peripheral increment offset size */ +#define DMA_SxCR_PINCOS (1 << 15) + +/* PL[17:16]: Stream priority level */ +/** @defgroup dma_st_pri DMA Stream Priority Levels +@ingroup dma_defines + +@{*/ +#define DMA_SxCR_PL_LOW (0 << 16) +#define DMA_SxCR_PL_MEDIUM (1 << 16) +#define DMA_SxCR_PL_HIGH (2 << 16) +#define DMA_SxCR_PL_VERY_HIGH (3 << 16) +/**@}*/ +#define DMA_SxCR_PL_SHIFT 16 +#define DMA_SxCR_PL_MASK (3 << 16) + +/* DBM: Double buffered mode */ +#define DMA_SxCR_DBM (1 << 18) +/* CT: Current target (in double buffered mode) */ +#define DMA_SxCR_CT (1 << 19) + +/* Bit 20 reserved */ + +/* PBURST[13:12]: Peripheral Burst Configuration */ +/** @defgroup dma_pburst DMA Peripheral Burst Length +@ingroup dma_defines + +@{*/ +#define DMA_SxCR_PBURST_SINGLE (0 << 21) +#define DMA_SxCR_PBURST_INCR4 (1 << 21) +#define DMA_SxCR_PBURST_INCR8 (2 << 21) +#define DMA_SxCR_PBURST_INCR16 (3 << 21) +/**@}*/ +#define DMA_SxCR_PBURST_SHIFT 21 +#define DMA_SxCR_PBURST_MASK (3 << 21) + +/* MBURST[13:12]: Memory Burst Configuration */ +/** @defgroup dma_mburst DMA Memory Burst Length +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_SxCR_MBURST_SINGLE (0 << 23) +#define DMA_SxCR_MBURST_INCR4 (1 << 23) +#define DMA_SxCR_MBURST_INCR8 (2 << 23) +#define DMA_SxCR_MBURST_INCR16 (3 << 23) +/**@}*/ +#define DMA_SxCR_MBURST_SHIFT 23 +#define DMA_SxCR_MBURST_MASK (3 << 23) + +/* CHSEL[25:27]: Channel Select */ +/** @defgroup dma_ch_sel DMA Channel Select +@ingroup dma_defines + +@{*/ +#define DMA_SxCR_CHSEL_0 (0 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_1 (1 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_2 (2 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_3 (3 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_4 (4 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_5 (5 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_6 (6 << DMA_SxCR_CHSEL_SHIFT) +#define DMA_SxCR_CHSEL_7 (7 << DMA_SxCR_CHSEL_SHIFT) +/**@}*/ +#define DMA_SxCR_CHSEL_SHIFT 25 +#define DMA_SxCR_CHSEL_MASK (7 << 25) +#define DMA_SxCR_CHSEL(n) (n << DMA_SxCR_CHSEL_SHIFT) + +/* Reserved [31:28] */ + +/* --- DMA_SxNDTR values --------------------------------------------------- */ + +/* DMA_SxNDTR[15:0]: Number of data register. */ + +/* --- DMA_SxPAR values ---------------------------------------------------- */ + +/* DMA_SxPAR[31:0]: Peripheral address register. */ + +/* --- DMA_SxM0AR values --------------------------------------------------- */ + +/* DMA_SxM0AR[31:0]: Memory 0 address register. */ + +/* --- DMA_SxM1AR values --------------------------------------------------- */ + +/* DMA_SxM1AR[31:0]: Memory 1 address register. */ + +/* --- DMA_SxFCR values ---------------------------------------------------- */ + +/* FTH[1:0]: FIFO Threshold selection */ +/** @defgroup dma_fifo_thresh FIFO Threshold selection +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_SxFCR_FTH_1_4_FULL (0 << 0) +#define DMA_SxFCR_FTH_2_4_FULL (1 << 0) +#define DMA_SxFCR_FTH_3_4_FULL (2 << 0) +#define DMA_SxFCR_FTH_4_4_FULL (3 << 0) +/**@}*/ +#define DMA_SxFCR_FTH_SHIFT 0 +#define DMA_SxFCR_FTH_MASK (3 << 0) + +/* DMDIS: Direct Mode disable */ +#define DMA_SxFCR_DMDIS (1 << 2) + +/* FS[5:3]: FIFO Status */ +/** @defgroup dma_fifo_status FIFO Status +@ingroup STM32F4xx_dma_defines + +@{*/ +#define DMA_SxFCR_FS_LT_1_4_FULL (0 << 0) +#define DMA_SxFCR_FS_LT_2_4_FULL (1 << 0) +#define DMA_SxFCR_FS_LT_3_4_FULL (2 << 0) +#define DMA_SxFCR_FS_LT_4_4_FULL (3 << 0) +#define DMA_SxFCR_FS_FULL (4 << 3) +#define DMA_SxFCR_FS_EMPTY (5 << 3) +/**@}*/ +#define DMA_SxFCR_FS_SHIFT 3 +#define DMA_SxFCR_FS_MASK (7 << 3) + +/* [6]: reserved */ + +/* FEIE[7]: FIFO error interrupt enable */ +#define DMA_SxFCR_FEIE (1 << 7) + +/* [31:8]: Reserved */ + +/* --- Function prototypes ------------------------------------------------- */ + +BEGIN_DECLS + +/* + * Note: The F2 and F4 series have a completely new DMA peripheral with + * different configuration options. + */ + +void dma_stream_reset(uint32_t dma, uint8_t stream); +void dma_clear_interrupt_flags(uint32_t dma, uint8_t stream, + uint32_t interrupts); +bool dma_get_interrupt_flag(uint32_t dma, uint8_t stream, uint32_t interrupt); +void dma_set_transfer_mode(uint32_t dma, uint8_t stream, uint32_t direction); +void dma_set_priority(uint32_t dma, uint8_t stream, uint32_t prio); +void dma_set_memory_size(uint32_t dma, uint8_t stream, uint32_t mem_size); +void dma_set_peripheral_size(uint32_t dma, uint8_t stream, + uint32_t peripheral_size); +void dma_enable_memory_increment_mode(uint32_t dma, uint8_t stream); +void dma_disable_memory_increment_mode(uint32_t dma, uint8_t channel); +void dma_enable_peripheral_increment_mode(uint32_t dma, uint8_t stream); +void dma_disable_peripheral_increment_mode(uint32_t dma, uint8_t channel); +void dma_enable_fixed_peripheral_increment_mode(uint32_t dma, uint8_t stream); +void dma_enable_circular_mode(uint32_t dma, uint8_t stream); +void dma_channel_select(uint32_t dma, uint8_t stream, uint32_t channel); +void dma_set_memory_burst(uint32_t dma, uint8_t stream, uint32_t burst); +void dma_set_peripheral_burst(uint32_t dma, uint8_t stream, uint32_t burst); +void dma_set_initial_target(uint32_t dma, uint8_t stream, uint8_t memory); +uint8_t dma_get_target(uint32_t dma, uint8_t stream); +void dma_enable_double_buffer_mode(uint32_t dma, uint8_t stream); +void dma_disable_double_buffer_mode(uint32_t dma, uint8_t stream); +void dma_set_peripheral_flow_control(uint32_t dma, uint8_t stream); +void dma_set_dma_flow_control(uint32_t dma, uint8_t stream); +void dma_enable_transfer_error_interrupt(uint32_t dma, uint8_t stream); +void dma_disable_transfer_error_interrupt(uint32_t dma, uint8_t stream); +void dma_enable_half_transfer_interrupt(uint32_t dma, uint8_t stream); +void dma_disable_half_transfer_interrupt(uint32_t dma, uint8_t stream); +void dma_enable_transfer_complete_interrupt(uint32_t dma, uint8_t stream); +void dma_disable_transfer_complete_interrupt(uint32_t dma, uint8_t stream); +uint32_t dma_fifo_status(uint32_t dma, uint8_t stream); +void dma_enable_direct_mode_error_interrupt(uint32_t dma, uint8_t stream); +void dma_disable_direct_mode_error_interrupt(uint32_t dma, uint8_t stream); +void dma_enable_fifo_error_interrupt(uint32_t dma, uint8_t stream); +void dma_disable_fifo_error_interrupt(uint32_t dma, uint8_t stream); +void dma_enable_direct_mode(uint32_t dma, uint8_t stream); +void dma_enable_fifo_mode(uint32_t dma, uint8_t stream); +void dma_set_fifo_threshold(uint32_t dma, uint8_t stream, uint32_t threshold); +void dma_enable_stream(uint32_t dma, uint8_t stream); +void dma_disable_stream(uint32_t dma, uint8_t stream); +void dma_set_peripheral_address(uint32_t dma, uint8_t stream, uint32_t address); +void dma_set_memory_address(uint32_t dma, uint8_t stream, uint32_t address); +void dma_set_memory_address_1(uint32_t dma, uint8_t stream, uint32_t address); +void dma_set_number_of_data(uint32_t dma, uint8_t stream, uint16_t number); + +END_DECLS +/**@}*/ +#endif +/** @cond */ +#else +#warning "dma_common_f24.h should not be included explicitly, only via dma.h" +#endif +/** @endcond */ + |