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https://github.com/pvvx/RTL00MP3.git
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update
This commit is contained in:
pvvx
parent
7ce370d5b3
commit
b075b615b6
26 changed files with 410 additions and 119 deletions
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@ -62,6 +62,14 @@ typedef struct _SLEEP_WKUP_EVENT_ {
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*
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* The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
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*
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* Процессор настроен для сна и отправлен спать с помощью __WFI().
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* В этом режиме системные часы ядра останавливаются до тех пор, пока не произойдет сброс или прерывание.
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* Это снижает динамическую мощность используемую процессором, системами памяти и шинами.
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* Процессор, периферийное устройство и состояние памяти поддерживаются,
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* а периферийные устройства продолжают работать и могут генерировать прерывания.
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*
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* Процессор может быть разбужен любым внутренним периферийным прерыванием или внешним прерыванием.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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@ -72,6 +80,8 @@ void sleep_ex_selective(uint32_t wakeup_event, uint32_t sleep_duration, uint32_
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void standby_wakeup_event_add(uint32_t wakeup_event, uint32_t sleep_duration_ms, uint32_t gpio_active);
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void standby_wakeup_event_del(uint32_t wakeup_event);
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void deepstandby_ex(void);
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/** Send the microcontroller to deep sleep
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@ -79,13 +89,18 @@ void deepstandby_ex(void);
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* This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
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* has the same sleep features as sleep plus it powers down peripherals and clocks. All state
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* is still maintained.
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* Этот процесc настроен на глубокий сон и отправлен спать с помощью __WFI().
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* Этот режим имеет те же функции сна, что и sleep, но отключает периферийные устройства и часы.
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* Все состояния сохраняются.
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*
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* The processor can only be woken up by an external interrupt on a pin or a timer.
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* Процессор может быть разбужен только внешним прерыванием на штыре или таймере.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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* able to access the LocalFileSystem
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*
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*/
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void deepsleep_ex(uint32_t wakeup_event, uint32_t sleep_duration);
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@ -178,9 +178,9 @@ void standby_wakeup_event_add(uint32_t wakeup_event, uint32_t sleep_duration_ms,
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DStandbyWakeupEvent.gpio_option &= ~gpio_act;
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}
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}
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gpio_event = gpio_event << 1;
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gpio_en = gpio_en << 1;
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gpio_act = gpio_act << 1;
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gpio_event <<= 1;
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gpio_en <<= 1;
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gpio_act <<= 1;
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}
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}
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@ -98,7 +98,7 @@ struct stream_context
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#define RTP_PT_H263 34
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#define RTP_PT_RTCP_BASE 72
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#define RTP_PT_DYN_BASE 96
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#define RTP_PT_UNKNOWN -1
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//?#define RTP_PT_UNKNOWN -1
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#include "section_config.h"
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SDRAM_DATA_SECTION
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@ -333,4 +333,4 @@ void fillRtpHeader(rtp_hdr_t *rtphdr, int version, int padding, int extension, i
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/************************************************************** end of rtp **************************************************************/
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#endif
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#endif
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@ -2016,9 +2016,9 @@ struct v4l2_create_buffers {
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* I O C T L C O D E S F O R V I D E O D E V I C E S
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*
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*/
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#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
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#define VIDIOC_RESERVED _IO('V', 1)
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#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
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#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
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#define VIDIOC_RESERVED _IO('V', 1)
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#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
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#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
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#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
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#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
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@ -56,14 +56,14 @@ struct v4l2_prio_state {
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/*
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enum v4l2_priority {
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V4L2_PRIORITY_UNSET = 0, // 不初始化
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V4L2_PRIORITY_BACKGROUND = 1, // 背景
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V4L2_PRIORITY_INTERACTIVE = 2, // 互動
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V4L2_PRIORITY_RECORD = 3, // 紀錄
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V4L2_PRIORITY_UNSET = 0, // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD><EFBFBD>
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V4L2_PRIORITY_BACKGROUND = 1, // <EFBFBD>I<EFBFBD><EFBFBD>
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V4L2_PRIORITY_INTERACTIVE = 2, // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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V4L2_PRIORITY_RECORD = 3, // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
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};
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优先權是為了Multiple Opens操作，當可以支持device同時被多個thread 打開(i.e open())
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需要用這優先權去區分哪個操作更重要，使用的那個優先級別，的prios[4]就加一。
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ɬ<EFBFBD><EFBFBD><EFBFBD>v<EFBFBD>O<EFBFBD><EFBFBD><EFBFBD>FMultiple Opens<EFBFBD>ާ@<EFBFBD>A<EFBFBD><EFBFBD>i<EFBFBD>H<EFBFBD><EFBFBD><EFBFBD>device<EFBFBD>P<EFBFBD>ɳQ<EFBFBD>h<EFBFBD><EFBFBD>thread <EFBFBD><EFBFBD><EFBFBD>}(i.e open())
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<EFBFBD>ݭn<EFBFBD>γo<EFBFBD>u<EFBFBD><EFBFBD><EFBFBD>v<EFBFBD>h<EFBFBD>Ϥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӿާ@<EFBFBD>n<EFBFBD>A<EFBFBD>ϥΪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>u<EFBFBD><EFBFBD><EFBFBD>ŧO<EFBFBD>A<EFBFBD><EFBFBD>prios[4]<EFBFBD>N<EFBFBD>[<EFBFBD>@<EFBFBD>C
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*/
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void v4l2_prio_init(struct v4l2_prio_state *global);
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@ -80,10 +80,10 @@ struct v4l2_file_operations {
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//ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
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//ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
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//unsigned int (*poll) (struct file *, struct poll_table_struct *);
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long (*ioctl) (unsigned int, unsigned long);
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long (*unlocked_ioctl) (unsigned int, unsigned long);
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long (*ioctl) (unsigned int, void *); //pvvx unsigned long);
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long (*unlocked_ioctl) (unsigned int, void *); //pvvx unsigned long);
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#ifdef CONFIG_COMPAT
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long (*compat_ioctl32) (unsigned int, unsigned long);
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long (*compat_ioctl32) (unsigned int, void *); //pvvx unsigned long);
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#endif
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//unsigned long (*get_unmapped_area) (struct file *, unsigned long,
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// unsigned long, unsigned long, unsigned long);
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@ -218,22 +218,12 @@
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#endif
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/* Atomic integer operations */
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#ifndef atomic_set
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#if 0
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#define atomic_set(v, i) RTL_ATOMIC_SET((v), (i))
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#endif
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#ifndef atomic_read
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#define atomic_read(v) RTL_ATOMIC_READ((v))
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#endif
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#ifndef atomic_add
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#define atomic_add(v, i) RTL_ATOMIC_ADD((v), (i))
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#endif
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#ifndef atomic_sub
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#define atomic_sub(v, i) RTL_ATOMIC_SUB((v), (i))
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#endif
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#ifndef atomic_inc
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#define atomic_inc(v) RTL_ATOMIC_INC((v))
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#endif
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#ifndef atomic_dec
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#define atomic_dec(v) RTL_ATOMIC_DEC((v))
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#endif
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@ -291,7 +281,7 @@
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/*
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* combine the four dir，type，nr，size parameters to one cmd parameter
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* combine the four dir<EFBFBD>Atype<EFBFBD>Anr<EFBFBD>Asize parameters to one cmd parameter
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*
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*/
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#ifndef _IOC
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@ -511,40 +501,40 @@ found:
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static inline unsigned long find_next_zero_bit(
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const unsigned long *addr,unsigned long size, unsigned long offset)
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{
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const unsigned long *p = addr + BIT_WORD(offset); // offset位于p指向的long地址32位空?
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unsigned long result = offset & ~(BITS_PER_LONG-1); // offset是第result?4字?
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const unsigned long *p = addr + BIT_WORD(offset); // offset<EFBFBD><EFBFBD>_p<EFBFBD><EFBFBD><EFBFBD>V<EFBFBD><EFBFBD>long<EFBFBD>a<EFBFBD>}32<33><32><EFBFBD>?
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unsigned long result = offset & ~(BITS_PER_LONG-1); // offset<EFBFBD>O<EFBFBD><EFBFBD>result?4<>r?
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unsigned long tmp;
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if (offset >= size)
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return size;
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size -= result; // ?整32位整倍?上
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offset %= BITS_PER_LONG; // offset位于32位的第几位
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if (offset) { // offset不在一?long?据的第0位上,在1-31位中[luther.gliethttp]
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size -= result; // ?<EFBFBD><EFBFBD>32<EFBFBD><EFBFBD>㭿?<3F>W
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offset %= BITS_PER_LONG; // offset<EFBFBD><EFBFBD>_32<EFBFBD>쪺<EFBFBD>ĤL<EFBFBD><EFBFBD>
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if (offset) { // offset<EFBFBD><EFBFBD><EFBFBD>b<EFBFBD>@?long?<3F>u<EFBFBD><75><EFBFBD><EFBFBD>0<EFBFBD><30>W,<2C>b1-31<33>줤[luther.gliethttp]
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tmp = *(p++);
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tmp |= ~0UL >> (BITS_PER_LONG - offset); // ?0-offset?据填充上1.
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if (size < BITS_PER_LONG) // 不足32bits
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tmp |= ~0UL >> (BITS_PER_LONG - offset); // ?0-offset?<EFBFBD>u<EFBFBD><EFBFBD>R<EFBFBD>W1.
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if (size < BITS_PER_LONG) // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>32bits
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goto found_first;
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if (~tmp) // 取非非0?明含有0值
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if (~tmp) // <EFBFBD><EFBFBD><EFBFBD>D<EFBFBD>D0?<3F><><EFBFBD>t<EFBFBD><74>0<EFBFBD><30>
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goto found_middle;
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size -= BITS_PER_LONG; // 如果上面~tmp等于0,那么?明?*p?据?32位全1.[luther.gliethttp]
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size -= BITS_PER_LONG; // <EFBFBD>p<EFBFBD>G<EFBFBD>W<EFBFBD><EFBFBD>~tmp<6D><70><EFBFBD>_0,<2C><><EFBFBD>\?<3F><>?*p?<3F>u?32<33><32><EFBFBD>1.[luther.gliethttp]
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result += BITS_PER_LONG;
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}
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while (size & ~(BITS_PER_LONG-1)) { // 好了,?行到?里,我?的offset已??在4字?的第0位上,下面?行
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if (~(tmp = *(p++))) // 4字?快速查?.如果~tmp非0,?明?32位?据中含有0?据,找到.[luther.gliethttp]
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while (size & ~(BITS_PER_LONG-1)) { // <EFBFBD>n<EFBFBD>F,?<3F><><EFBFBD>?<3F><>,<2C><>?<3F><>offset<65>w??<3F>b4<62>r?<3F><><EFBFBD><EFBFBD>0<EFBFBD><30>W,<2C>U<EFBFBD><55>?<3F><>
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if (~(tmp = *(p++))) // 4<EFBFBD>r?<3F>ֳt<D6B3>d?.<2E>p<EFBFBD>G~tmp<6D>D0,?<3F><>?32<33><32>?<3F>u<EFBFBD><75><EFBFBD>t<EFBFBD><74>0?<3F>u,<2C><><EFBFBD>.[luther.gliethttp]
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goto found_middle;
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result += BITS_PER_LONG; // 到下一?4字?空?
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size -= BITS_PER_LONG; // ?少4字??据
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result += BITS_PER_LONG; // <EFBFBD><EFBFBD>U<EFBFBD>@?4<>r?<3F><>?
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size -= BITS_PER_LONG; // ?<EFBFBD><EFBFBD>4<EFBFBD>r??<3F>u
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}
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if (!size) // size等于0,?明首先size等于4字?整倍?,其次所有?据已?查完,
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return result; // 所有?据全部?1,?有??0位,result等于size.[luther.gliethttp]
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tmp = *p; // size不是32位整倍?,?剩几?bit?有?查,???行下面?查工作.[luther.gliethtp]
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if (!size) // size<EFBFBD><EFBFBD><EFBFBD>_0,?<3F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>size<7A><65><EFBFBD>_4<5F>r?<3F>㭿?,<2C>䦸<EFBFBD>Ҧ<EFBFBD>?<3F>u<EFBFBD>w?<3F>d<EFBFBD><64>,
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return result; // <EFBFBD>Ҧ<EFBFBD>?<3F>u<EFBFBD><75><EFBFBD><EFBFBD>?1,?<3F><>??0<><30>,result<6C><74><EFBFBD>_size.[luther.gliethttp]
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tmp = *p; // size<EFBFBD><EFBFBD><EFBFBD>O32<EFBFBD><EFBFBD>㭿?,?<3F>ѤL?bit?<3F><>?<3F>d,???<3F><>U<EFBFBD><55>?<3F>d<EFBFBD>u<EFBFBD>@.[luther.gliethtp]
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found_first:
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tmp |= ~0UL << size; // ?在0-size?有效?据,size-31?未使用空?,所以先?size-31置成全1.
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if (tmp == ~0UL) /* Are any bits zero? */ // 如果tmp全1,那么?明就?找找1?
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return result + size; /* Nope. */ // result+size就等于函??入的??size大小.[luther.gliethttp]
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tmp |= ~0UL << size; // ?<EFBFBD>b0-size?<3F><><EFBFBD><EFBFBD>?<3F>u,size-31?<3F><><EFBFBD>ϥΪ<CFA5>?,<2C>ҥH<D2A5><48>?size-31<33>m<EFBFBD><6D><EFBFBD><EFBFBD>1.
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if (tmp == ~0UL) /* Are any bits zero? */ // <EFBFBD>p<EFBFBD>Gtmp<EFBFBD><EFBFBD>1,<2C><><EFBFBD>\?<3F><><EFBFBD>N?<3F><><EFBFBD>1?
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return result + size; /* Nope. */ // result+size<EFBFBD>N<EFBFBD><EFBFBD><EFBFBD>_<EFBFBD><EFBFBD>??<3F>J<EFBFBD><4A>??size<7A>j<EFBFBD>p.[luther.gliethttp]
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found_middle:
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return result + ffz(tmp); // 我?在32位?据的0-31中??必定存在0位值,?算他是第几位.[luther.gliethttp]
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return result + ffz(tmp); // <EFBFBD><EFBFBD>?<3F>b32<33><32>?<3F>u<EFBFBD><75>0-31<33><31>??<3F><><EFBFBD>w<EFBFBD>s<EFBFBD>b0<62><30><EFBFBD>,?<3F><>L<EFBFBD>O<EFBFBD>ĤL<C4A4><4C>.[luther.gliethttp]
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}
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//int find_next_zero_bit(const void * p, int size, int offset);
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@ -570,7 +560,7 @@ static inline void set_bit(int nr, volatile unsigned long *addr)
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unsigned long mask = BIT_MASK(nr);
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unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
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unsigned long flags;
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(void)flags;
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//taskENTER_CRITICAL();
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_atomic_spin_lock_irqsave(p, flags);
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*p |= mask;
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@ -594,6 +584,7 @@ static inline void clear_bit(int nr, volatile unsigned long *addr)
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unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
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unsigned long flags;
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(void)flags;
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_atomic_spin_lock_irqsave(p, flags);
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//taskENTER_CRITICAL();
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*p &= ~mask;
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@ -617,6 +608,7 @@ static inline void change_bit(int nr, volatile unsigned long *addr)
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unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
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unsigned long flags;
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(void)flags;
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//taskENTER_CRITICAL();
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_atomic_spin_lock_irqsave(p, flags);
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*p ^= mask;
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@ -638,8 +630,8 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
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unsigned long mask = BIT_MASK(nr);
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unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
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unsigned long old;
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//unsigned long flags;
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unsigned long flags;
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(void)flags;
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//taskENTER_CRITICAL();
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_atomic_spin_lock_irqsave(p, flags);
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@ -667,6 +659,7 @@ static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
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unsigned long old;
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unsigned long flags;
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(void)flags;
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//taskENTER_CRITICAL();
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_atomic_spin_lock_irqsave(p, flags);
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old = *p;
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@ -691,7 +684,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
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unsigned long old;
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unsigned long flags;
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(void)flags;
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_atomic_spin_lock_irqsave(p, flags);
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old = *p;
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*p = old ^ mask;
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@ -725,6 +718,7 @@ static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1,
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static inline int atomic_inc_return(volatile atomic_t *v)
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{
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unsigned long flags;
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(void)flags;
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int retval;
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cris_atomic_save(v, flags);
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retval = ++(v->counter);
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@ -741,6 +735,7 @@ typedef __u64 __be64;
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typedef __u16 __sum16;
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typedef __u32 __wsum;
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#if 0
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#ifndef __GFP_WAIT
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#define __GFP_WAIT (0x10u)
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#endif
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@ -770,6 +765,8 @@ typedef __u32 __wsum;
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#define copy_to_user(to, from, sz) _memcpy((to), (from), (sz))
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#endif
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||||
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||||
#endif
|
||||
|
||||
#if 0 /*comment since we are not using polling*/
|
||||
/* These are specified by iBCS2 */
|
||||
#ifndef POLLIN
|
||||
|
|
@ -843,4 +840,4 @@ do { \
|
|||
#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
|
||||
#endif
|
||||
|
||||
#endif /*_V4L2_OSDEP_H_*/
|
||||
#endif /*_V4L2_OSDEP_H_*/
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue