| 1,73 → 1,73 |
|---|
| #include <main.h> |
| |
| /* |
| MPL115A1 SDN - +3.3V (always power on) |
| MPL115A1 #CS - PIN_C2 |
| MPL115A1 DOUT - PIN_C4 (twisted?) |
| MPL115A1 DIN - PIN_C5 (twisted?) |
| MPL115A1 SCLK - PIN_C3 |
| MPL115A1 GND - GND |
| MPL115A1 VDD - +3.3V |
| */ |
| |
| #define CSN_SPI PIN_C2 |
| int8 address, uiTadc, data ; |
| |
| |
| // SPI mode definitions. |
| #define SPI_MODE_0 (SPI_L_TO_H | SPI_XMIT_L_TO_H) |
| #define SPI_MODE_1 (SPI_L_TO_H) |
| #define SPI_MODE_2 (SPI_H_TO_L) |
| #define SPI_MODE_3 (SPI_H_TO_L | SPI_XMIT_L_TO_H) |
| |
| |
| void main() |
| { |
| printf("Start \r\n"); |
| |
| setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64); |
| |
| output_high(CSN_SPI); |
| |
| delay_ms(100); |
| |
| while(true) |
| { |
| data = 5; //just to be sure that the value is updated |
| |
| //Start temperature and pressure conversion |
| address = 0x24; |
| address &= 0x7F; |
| |
| output_low(CSN_SPI); |
| delay_ms(1); |
| spi_write(address); |
| delay_ms(1); |
| spi_write(0x00); |
| delay_ms(1); |
| output_high(CSN_SPI); |
| delay_ms(2); |
| |
| |
| // get MSB for Pressure |
| address = 0x00; |
| address |= 0x80; |
| |
| output_low(CSN_SPI); |
| delay_ms(1); |
| spi_write(address); |
| delay_ms(1); |
| data = spi_read(0x00); |
| delay_ms(1); |
| output_high(CSN_SPI); |
| |
| printf("%u \r\n", data); |
| |
| //uiTadc = (unsigned int) data << 8; |
| //printf("%u\n\r", uiTadc); |
| |
| |
| delay_ms(100); |
| } |
| |
| } |
| #include <main.h> |
| |
| /* |
| MPL115A1 SDN - +5V (always power on) |
| MPL115A1 CSN - PIN_C2 |
| MPL115A1 SDO - PIN_C4 (twisted?) |
| MPL115A1 SDI - PIN_C5 (twisted?) |
| MPL115A1 SCK - PIN_C3 |
| MPL115A1 GND - GND |
| MPL115A1 VDD - +5V |
| */ |
| |
| #define CSN_SPI PIN_C2 |
| int8 address, uiTadc, data ; |
| |
| |
| // SPI mode definitions. |
| #define SPI_MODE_0 (SPI_L_TO_H | SPI_XMIT_L_TO_H) |
| #define SPI_MODE_1 (SPI_L_TO_H) |
| #define SPI_MODE_2 (SPI_H_TO_L) |
| #define SPI_MODE_3 (SPI_H_TO_L | SPI_XMIT_L_TO_H) |
| |
| |
| void main() |
| { |
| printf("Start\n\r"); |
| |
| setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64); |
| |
| output_high(CSN_SPI); |
| |
| delay_ms(100); |
| |
| while(true) |
| { |
| data = 5; //just to be sure that the value is updated |
| |
| //Start temperature and pressure conversion |
| address = 0x24; |
| address &= 0x7F; |
| |
| output_low(CSN_SPI); |
| delay_ms(1); |
| spi_write(address); |
| delay_ms(1); |
| spi_write(0x00); |
| delay_ms(1); |
| output_high(CSN_SPI); |
| delay_ms(2); |
| |
| |
| // get MSB for Pressure |
| address = 0x00; |
| address |= 0x80; |
| |
| output_low(CSN_SPI); |
| delay_ms(1); |
| spi_write(address); |
| delay_ms(1); |
| data = spi_read(0x00); |
| delay_ms(1); |
| output_high(CSN_SPI); |
| |
| printf("%u\n\r", data); |
| |
| //uiTadc = (unsigned int) data << 8; |
| //printf("%u\n\r", uiTadc); |
| |
| |
| delay_ms(100); |
| } |
| |
| } |