Barometer program : Data Logger function includes Barometer & temperature (BMP180), Humidity & temp. (RHT03), Sunshine (Cds), RTC(M41T62) data. : Logging data saves into EEPROM (AT24C1024) using ring buffer function.
Dependencies: AT24C1024 RHT03 TextLCD BMP180 M41T62
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Please see https://mbed.org/users/kenjiArai/notebook/mbed-lpc1114fn28-barometer-with-data-logging/#
dt_log.h
- Committer:
- kenjiArai
- Date:
- 2014-06-29
- Revision:
- 15:065fbeddc305
- Child:
- 16:f164f8912201
File content as of revision 15:065fbeddc305:
/* * mbed Application program for the mbed LPC1114FN28 * Data Logging * * Copyright (c) 2013,'14 Kenji Arai / JH1PJL * http://www.page.sannet.ne.jp/kenjia/index.html * http://mbed.org/users/kenjiArai/ * Created: June 16th, 2013 * Revised: June 29th, 2014 * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ // Definition ----------------------------------------------------------------------------------- // Buffer size #define EEP_SIZE 128 * 1024 // 1Mbits = 128 KBytes #define PKT_SIZE 16 // Packet size #define BLK_NO 8192 // 128KB/16 = 8192 #define ALL_SIZE (PKT_SIZE) * (BLK_NO) #if ALL_SIZ > EEP_SIZE #error "Data size in EEPROM is too big!" #endif #define PTR_SIZE 16 // Buffer control #define BUF_HEAD 0x0001 #define BUF_RD_ALL 0 #define BLK_SIZE 16 // Buffer Status #define BUF_FULL 0xff // Packet pointer #define READ_POINTER() \ ((uint16_t)(( buf_pointer[0] << 8) + buf_pointer[1])) #define WRITE_POINTER(x) \ buf_pointer[0] = (uint8_t)( x >> 8); \ buf_pointer[1] = (uint8_t)x; #define RD_STATUS() \ (buf_pointer[2]) #define WR_STATUS(x) \ buf_pointer[2] = (uint8_t)x; // Pointer structure typedef struct EEPROM_BUF_INF{ uint16_t wr_pointer; uint16_t max; uint16_t ptr; uint8_t size; uint8_t status; } xEeprom_ptr; // RAM definition extern uint8_t data_pack[PKT_SIZE]; // Function prototypes --------------------------------------------------------------------------- void dtlog_data_pack(void); void dtlog_one_write(void); void dtlog_rd_buf_inf(xEeprom_ptr *); void dtlog_clear_all_buff(xEeprom_ptr *); void dtlog_block_read(xEeprom_ptr *); void dtlog_num_of_block(xEeprom_ptr *); uint16_t dtlog_buf_occupation(void);