STM32G474xx HAL用户手册
宏定义
QSPI片选高电平时间
QSPI导出常量

宏定义

#define QSPI_CS_HIGH_TIME_1_CYCLE   0x00000000U
#define QSPI_CS_HIGH_TIME_2_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_0)
#define QSPI_CS_HIGH_TIME_3_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_1)
#define QSPI_CS_HIGH_TIME_4_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_0 | QUADSPI_DCR_CSHT_1)
#define QSPI_CS_HIGH_TIME_5_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2)
#define QSPI_CS_HIGH_TIME_6_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_0)
#define QSPI_CS_HIGH_TIME_7_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_1)
#define QSPI_CS_HIGH_TIME_8_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT)

宏定义文档

#define QSPI_CS_HIGH_TIME_1_CYCLE   0x00000000U

nCS在命令之间保持高电平至少1个时钟周期

Definition at line 257 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_2_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_0)

nCS在命令之间保持高电平至少2个时钟周期

Definition at line 258 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_3_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_1)

nCS在命令之间保持高电平至少3个时钟周期

Definition at line 259 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_4_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_0 | QUADSPI_DCR_CSHT_1)

nCS在命令之间保持高电平至少4个时钟周期

Definition at line 260 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_5_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2)

nCS在命令之间保持高电平至少5个时钟周期

Definition at line 261 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_6_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_0)

nCS在命令之间保持高电平至少6个时钟周期

Definition at line 262 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_7_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT_2 | QUADSPI_DCR_CSHT_1)

nCS在命令之间保持高电平至少7个时钟周期

Definition at line 263 of file stm32g4xx_hal_qspi.h.

#define QSPI_CS_HIGH_TIME_8_CYCLE   ((uint32_t)QUADSPI_DCR_CSHT)

nCS在命令之间保持高电平至少8个时钟周期

Definition at line 264 of file stm32g4xx_hal_qspi.h.