提交SMOD ATSC IMX APP版本 V122

2026-07-16 14:35:59 +08:00
commit 7601c270d5
485 changed files with 255032 additions and 0 deletions
@@ -0,0 +1,34 @@
+#ifndef __ISPI_H_
+#define __ISPI_H_
+
+#include "../inc/type.h"
+
+
+
+//----------------------
+#define SPI_DELAY      0
+#define SPEED          6000000//9000000  /* note: 9M check err, do not over 6M*/
+
+#define ARRAY_SIZE(a)  (sizeof(a) / sizeof((a)[0]))
+
+#define HALF_DUPLEX     1
+#define FULL_DUPLEX     2
+
+#define SPI_BUFF_MAX 4096
+
+//----------------------
+extern int init_spi_dev(char *pspi_node_name, int *pfd, uint8 mode, uint8 bits, uint8 speed);
+extern uint8_t iSPI_I2S_Send4Byte(int spi_fd, uint8* pdata);
+
+extern int spi_w(int fd, u8 addr, uint16_t u16_data);
+extern int spi_r(int fd, u8 addr, u16 *pdata);
+extern int spi_transfer_big_block(int spi_fd, uint8 *pdata, int bytelen);
+extern int spi_receiver_big_block(int spi_fd, uint8 *pdata, int bytelen);
+//----------------------
+
+int spi_w_addr16_data8(int fd, u16 addr, uint8_t u8_data);
+int spi_r_addr16_data8(int fd, u16 addr, u8 *pdata);
+
+
+#endif//__ISPI_H_
+