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Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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DMA Software Acknowledge
Register Layout
Bits | Access | Reset | Description |
---|---|---|---|
[0] | W | 0x0 | ALT_UART_DMASA_DMASA |
[31:1] | R | 0x0 | ALT_UART_DMASA_RSVD_DMASA_31TO1 |
Field : dmasa | |
DMA Software Acknowledge. Writes will have no effect when DMA_EXTRA == No. This register is use to perform DMA software acknowledge if a transfer needs to be terminated due to an error condition. For example, if the DMA disables the channel, then the DW_apb_uart should clear its request. This will cause the TX request, TX single, RX request and RX single signals to de-assert. Note that this bit is 'self-clearing' and it is not necessary to clear this bit. Field Access Macros: | |
#define | ALT_UART_DMASA_DMASA_LSB 0 |
#define | ALT_UART_DMASA_DMASA_MSB 0 |
#define | ALT_UART_DMASA_DMASA_WIDTH 1 |
#define | ALT_UART_DMASA_DMASA_SET_MSK 0x00000001 |
#define | ALT_UART_DMASA_DMASA_CLR_MSK 0xfffffffe |
#define | ALT_UART_DMASA_DMASA_RESET 0x0 |
#define | ALT_UART_DMASA_DMASA_GET(value) (((value) & 0x00000001) >> 0) |
#define | ALT_UART_DMASA_DMASA_SET(value) (((value) << 0) & 0x00000001) |
Field : rsvd_dmasa_31to1 | |
Reserved bits [31:1] - Read Only Field Access Macros: | |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_LSB 1 |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_MSB 31 |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_WIDTH 31 |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_SET_MSK 0xfffffffe |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_CLR_MSK 0x00000001 |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_RESET 0x0 |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_GET(value) (((value) & 0xfffffffe) >> 1) |
#define | ALT_UART_DMASA_RSVD_DMASA_31TO1_SET(value) (((value) << 1) & 0xfffffffe) |
Data Structures | |
struct | ALT_UART_DMASA_s |
Macros | |
#define | ALT_UART_DMASA_RESET 0x00000000 |
#define | ALT_UART_DMASA_OFST 0xa8 |
#define | ALT_UART_DMASA_ADDR(base) ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_UART_DMASA_OFST)) |
Typedefs | |
typedef struct ALT_UART_DMASA_s | ALT_UART_DMASA_t |
struct ALT_UART_DMASA_s |
WARNING: The C register and register group struct declarations are provided for convenience and illustrative purposes. They should, however, be used with caution as the C language standard provides no guarantees about the alignment or atomicity of device memory accesses. The recommended practice for writing hardware drivers is to use the SoCAL access macros and alt_read_word() and alt_write_word() functions.
The struct declaration for register ALT_UART_DMASA.
Data Fields | ||
---|---|---|
uint32_t | dmasa: 1 | ALT_UART_DMASA_DMASA |
const uint32_t | rsvd_dmasa_31to1: 31 | ALT_UART_DMASA_RSVD_DMASA_31TO1 |
#define ALT_UART_DMASA_DMASA_LSB 0 |
The Least Significant Bit (LSB) position of the ALT_UART_DMASA_DMASA register field.
#define ALT_UART_DMASA_DMASA_MSB 0 |
The Most Significant Bit (MSB) position of the ALT_UART_DMASA_DMASA register field.
#define ALT_UART_DMASA_DMASA_WIDTH 1 |
The width in bits of the ALT_UART_DMASA_DMASA register field.
#define ALT_UART_DMASA_DMASA_SET_MSK 0x00000001 |
The mask used to set the ALT_UART_DMASA_DMASA register field value.
#define ALT_UART_DMASA_DMASA_CLR_MSK 0xfffffffe |
The mask used to clear the ALT_UART_DMASA_DMASA register field value.
#define ALT_UART_DMASA_DMASA_RESET 0x0 |
The reset value of the ALT_UART_DMASA_DMASA register field.
#define ALT_UART_DMASA_DMASA_GET | ( | value | ) | (((value) & 0x00000001) >> 0) |
Extracts the ALT_UART_DMASA_DMASA field value from a register.
#define ALT_UART_DMASA_DMASA_SET | ( | value | ) | (((value) << 0) & 0x00000001) |
Produces a ALT_UART_DMASA_DMASA register field value suitable for setting the register.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_LSB 1 |
The Least Significant Bit (LSB) position of the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_MSB 31 |
The Most Significant Bit (MSB) position of the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_WIDTH 31 |
The width in bits of the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_SET_MSK 0xfffffffe |
The mask used to set the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field value.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_CLR_MSK 0x00000001 |
The mask used to clear the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field value.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_RESET 0x0 |
The reset value of the ALT_UART_DMASA_RSVD_DMASA_31TO1 register field.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_GET | ( | value | ) | (((value) & 0xfffffffe) >> 1) |
Extracts the ALT_UART_DMASA_RSVD_DMASA_31TO1 field value from a register.
#define ALT_UART_DMASA_RSVD_DMASA_31TO1_SET | ( | value | ) | (((value) << 1) & 0xfffffffe) |
Produces a ALT_UART_DMASA_RSVD_DMASA_31TO1 register field value suitable for setting the register.
#define ALT_UART_DMASA_RESET 0x00000000 |
The reset value of the ALT_UART_DMASA register.
#define ALT_UART_DMASA_OFST 0xa8 |
The byte offset of the ALT_UART_DMASA register from the beginning of the component.
#define ALT_UART_DMASA_ADDR | ( | base | ) | ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_UART_DMASA_OFST)) |
The address of the ALT_UART_DMASA register.
typedef struct ALT_UART_DMASA_s ALT_UART_DMASA_t |
The typedef declaration for register ALT_UART_DMASA.