2  * Copyright (c) 2006-2018, RT-Thread Development Team
4  * SPDX-License-Identifier: Apache-2.0
8  * 2011-12-16     aozima       the first version
28 #define MC_ID_SST25VF040B            (0x8D) /* 4Mbit  */
58     return rt_spi_sendrecv8(spi_flash->rt_spi_device, CMD_RDSR);  in sst25vfxx_read_status()
68  * \param page uint32_t unit : byte (4096 * N,1 page = 4096byte)
70  * \param size uint32_t unit : byte ( 4096*N )
80     page &= ~0xFFF; // page size = 4096byte  in sst25vfxx_page_write()
83     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_page_write()
89     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 4);  in sst25vfxx_page_write()
94     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_page_write()
100     send_buffer[4] = *buffer++;  in sst25vfxx_page_write()
102     need_wirte -= 2;  in sst25vfxx_page_write()
103     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 6);  in sst25vfxx_page_write()
112         rt_spi_send(spi_flash->rt_spi_device, send_buffer, 3);  in sst25vfxx_page_write()
117     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_page_write()
122 /* RT-Thread device interface */
135     result = rt_mutex_take(&(spi_flash->lock), RT_WAITING_FOREVER);  in sst25vfxx_flash_open()
142     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_flash_open()
145     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_flash_open()
149     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 2);  in sst25vfxx_flash_open()
152     rt_mutex_release(&(spi_flash->lock));  in sst25vfxx_flash_open()
175         if (geometry == RT_NULL) return -RT_ERROR;  in sst25vfxx_flash_control()
177         geometry->bytes_per_sector = spi_flash->geometry.bytes_per_sector;  in sst25vfxx_flash_control()
178         geometry->sector_count = spi_flash->geometry.sector_count;  in sst25vfxx_flash_control()
179         geometry->block_size = spi_flash->geometry.block_size;  in sst25vfxx_flash_control()
188     uint8_t send_buffer[4];  in sst25vfxx_flash_read()
190     uint32_t offset = pos * spi_flash->geometry.bytes_per_sector;  in sst25vfxx_flash_read()
193     result = rt_mutex_take(&(spi_flash->lock), RT_WAITING_FOREVER);  in sst25vfxx_flash_read()
200     rt_spi_send(spi_flash->rt_spi_device, send_buffer, 1);  in sst25vfxx_flash_read()
206 …rt_spi_send_then_recv(spi_flash->rt_spi_device, send_buffer, 4, buffer, size * spi_flash->geometry…  in sst25vfxx_flash_read()
209     rt_mutex_release(&(spi_flash->lock));  in sst25vfxx_flash_read()
222     result = rt_mutex_take(&(spi_flash->lock), RT_WAITING_FOREVER);  in sst25vfxx_flash_write()
231                              (pos + i) * spi_flash->geometry.bytes_per_sector,  in sst25vfxx_flash_write()
233                              spi_flash->geometry.bytes_per_sector);  in sst25vfxx_flash_write()
234         write_buffer += spi_flash->geometry.bytes_per_sector;  in sst25vfxx_flash_write()
238     rt_mutex_release(&(spi_flash->lock));  in sst25vfxx_flash_write()
264         return -RT_ENOSYS;  in sst25vfxx_init()
266     spi_flash->rt_spi_device = rt_spi_device;  in sst25vfxx_init()
274         rt_spi_configure(spi_flash->rt_spi_device, &cfg);  in sst25vfxx_init()
283         rt_spi_send(spi_flash->rt_spi_device, &cmd, 1);  in sst25vfxx_init()
287         rt_spi_send_then_recv(spi_flash->rt_spi_device, &cmd, 1, id_recv, 3);  in sst25vfxx_init()
292 …        FLASH_TRACE("JEDEC Read-ID Data : %02X %02X %02X\r\n", id_recv[0], id_recv[1], id_recv[2]);  in sst25vfxx_init()
293             return -RT_ENOSYS;  in sst25vfxx_init()
296         spi_flash->geometry.bytes_per_sector = 4096;  in sst25vfxx_init()
297         spi_flash->geometry.block_size = 4096; /* block erase: 4k */  in sst25vfxx_init()
302             spi_flash->geometry.sector_count = 64;  in sst25vfxx_init()
307             spi_flash->geometry.sector_count = 128;  in sst25vfxx_init()
312             spi_flash->geometry.sector_count = 256;  in sst25vfxx_init()
317             spi_flash->geometry.sector_count = 512;  in sst25vfxx_init()
322             spi_flash->geometry.sector_count = 1024;  in sst25vfxx_init()
327             spi_flash->geometry.sector_count = 2048;  in sst25vfxx_init()
332             return -RT_ENOSYS;  in sst25vfxx_init()
337     rt_mutex_init(&spi_flash->lock, flash_device_name, RT_IPC_FLAG_PRIO);  in sst25vfxx_init()
340     spi_flash->flash_device.type    = RT_Device_Class_Block;  in sst25vfxx_init()
342     spi_flash->flash_device.ops     = &sst25vfxx_device_ops;  in sst25vfxx_init()
344     spi_flash->flash_device.init    = sst25vfxx_flash_init;  in sst25vfxx_init()
345     spi_flash->flash_device.open    = sst25vfxx_flash_open;  in sst25vfxx_init()
346     spi_flash->flash_device.close   = sst25vfxx_flash_close;  in sst25vfxx_init()
347     spi_flash->flash_device.read    = sst25vfxx_flash_read;  in sst25vfxx_init()
348     spi_flash->flash_device.write   = sst25vfxx_flash_write;  in sst25vfxx_init()
349     spi_flash->flash_device.control = sst25vfxx_flash_control;  in sst25vfxx_init()
352     spi_flash->flash_device.user_data = RT_NULL;  in sst25vfxx_init()
354     rt_device_register(&spi_flash->flash_device, flash_device_name,  in sst25vfxx_init()