传输请求

宏定义
#define	LL_DMAMUX_REQ_MEM2MEM   0x00000000U
#define	LL_DMAMUX_REQ_GENERATOR0   0x00000001U
#define	LL_DMAMUX_REQ_GENERATOR1   0x00000002U
#define	LL_DMAMUX_REQ_GENERATOR2   0x00000003U
#define	LL_DMAMUX_REQ_GENERATOR3   0x00000004U
#define	LL_DMAMUX_REQ_ADC1   0x00000005U
#define	LL_DMAMUX_REQ_DAC1_CH1   0x00000006U
#define	LL_DMAMUX_REQ_DAC1_CH2   0x00000007U
#define	LL_DMAMUX_REQ_TIM6_UP   0x00000008U
#define	LL_DMAMUX_REQ_TIM7_UP   0x00000009U
#define	LL_DMAMUX_REQ_SPI1_RX   0x0000000AU
#define	LL_DMAMUX_REQ_SPI1_TX   0x0000000BU
#define	LL_DMAMUX_REQ_SPI2_RX   0x0000000CU
#define	LL_DMAMUX_REQ_SPI2_TX   0x0000000DU
#define	LL_DMAMUX_REQ_SPI3_RX   0x0000000EU
#define	LL_DMAMUX_REQ_SPI3_TX   0x0000000FU
#define	LL_DMAMUX_REQ_I2C1_RX   0x00000010U
#define	LL_DMAMUX_REQ_I2C1_TX   0x00000011U
#define	LL_DMAMUX_REQ_I2C2_RX   0x00000012U
#define	LL_DMAMUX_REQ_I2C2_TX   0x00000013U
#define	LL_DMAMUX_REQ_I2C3_RX   0x00000014U
#define	LL_DMAMUX_REQ_I2C3_TX   0x00000015U
#define	LL_DMAMUX_REQ_I2C4_RX   0x00000016U
#define	LL_DMAMUX_REQ_I2C4_TX   0x00000017U
#define	LL_DMAMUX_REQ_USART1_RX   0x00000018U
#define	LL_DMAMUX_REQ_USART1_TX   0x00000019U
#define	LL_DMAMUX_REQ_USART2_RX   0x0000001AU
#define	LL_DMAMUX_REQ_USART2_TX   0x0000001BU
#define	LL_DMAMUX_REQ_USART3_RX   0x0000001CU
#define	LL_DMAMUX_REQ_USART3_TX   0x0000001DU
#define	LL_DMAMUX_REQ_UART4_RX   0x0000001EU
#define	LL_DMAMUX_REQ_UART4_TX   0x0000001FU
#define	LL_DMAMUX_REQ_UART5_RX   0x00000020U
#define	LL_DMAMUX_REQ_UART5_TX   0x00000021U
#define	LL_DMAMUX_REQ_LPUART1_RX   0x00000022U
#define	LL_DMAMUX_REQ_LPUART1_TX   0x00000023U
#define	LL_DMAMUX_REQ_ADC2   0x00000024U
#define	LL_DMAMUX_REQ_ADC3   0x00000025U
#define	LL_DMAMUX_REQ_ADC4   0x00000026U
#define	LL_DMAMUX_REQ_ADC5   0x00000027U
#define	LL_DMAMUX_REQ_QSPI   0x00000028U
#define	LL_DMAMUX_REQ_DAC2_CH1   0x00000029U
#define	LL_DMAMUX_REQ_TIM1_CH1   0x0000002AU
#define	LL_DMAMUX_REQ_TIM1_CH2   0x0000002BU
#define	LL_DMAMUX_REQ_TIM1_CH3   0x0000002CU
#define	LL_DMAMUX_REQ_TIM1_CH4   0x0000002DU
#define	LL_DMAMUX_REQ_TIM1_UP   0x0000002EU
#define	LL_DMAMUX_REQ_TIM1_TRIG   0x0000002FU
#define	LL_DMAMUX_REQ_TIM1_COM   0x00000030U
#define	LL_DMAMUX_REQ_TIM8_CH1   0x00000031U
#define	LL_DMAMUX_REQ_TIM8_CH2   0x00000032U
#define	LL_DMAMUX_REQ_TIM8_CH3   0x00000033U
#define	LL_DMAMUX_REQ_TIM8_CH4   0x00000034U
#define	LL_DMAMUX_REQ_TIM8_UP   0x00000035U
#define	LL_DMAMUX_REQ_TIM8_TRIG   0x00000036U
#define	LL_DMAMUX_REQ_TIM8_COM   0x00000037U
#define	LL_DMAMUX_REQ_TIM2_CH1   0x00000038U
#define	LL_DMAMUX_REQ_TIM2_CH2   0x00000039U
#define	LL_DMAMUX_REQ_TIM2_CH3   0x0000003AU
#define	LL_DMAMUX_REQ_TIM2_CH4   0x0000003BU
#define	LL_DMAMUX_REQ_TIM2_UP   0x0000003CU
#define	LL_DMAMUX_REQ_TIM3_CH1   0x0000003DU
#define	LL_DMAMUX_REQ_TIM3_CH2   0x0000003EU
#define	LL_DMAMUX_REQ_TIM3_CH3   0x0000003FU
#define