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Adding auto-rotation to the screen

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Adds auto rotation support using the proper orientation detection. (Not
using raw values).
Should Fix and close #29
This commit is contained in:
Ben V. Brown
2017-07-27 11:46:04 +10:00
parent af9b8dca29
commit 1cbcba924f
11 changed files with 309 additions and 129 deletions
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19
workspace/ts100/src/MMA8652FC.c
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@@ -23,12 +23,22 @@ void I2C_RegisterWrite(uint8_t reg, uint8_t data) {
}
uint8_t I2C_RegisterRead(uint8_t reg) {
u8 tx_data[3];
tx_data[0] = reg;
I2C_PageRead(tx_data, 1, DEVICE_ADDR, reg);
u8 tx_data[1];
I2C_Master_Read(DEVICE_ADDR << 1, reg, tx_data, 1);
return tx_data[0];
}
uint8_t getOrientation() {
//First read the PL_STATUS register
uint8_t plStatus = I2C_RegisterRead(PL_STATUS_REG);
plStatus >>= 1; //We dont need the up/down bit
plStatus &= 0x03; //mask to the two lower bits
//0 == left handed
//1 == right handed
return plStatus;
}
void StartUp_Accelerometer(uint8_t sensitivity) {
I2C_RegisterWrite(CTRL_REG2, 0); //Normal mode
I2C_RegisterWrite( CTRL_REG2, 0x40); // Reset all registers to POR values
@@ -39,8 +49,9 @@ void StartUp_Accelerometer(uint8_t sensitivity) {
I2C_RegisterWrite(FF_MT_THS_REG, 0x80 | sens); // Set threshold
I2C_RegisterWrite(FF_MT_COUNT_REG, 0x02); // Set debounce to 100ms
I2C_RegisterWrite(PL_CFG_REG, 0x40); //Enable the orientation detection
I2C_RegisterWrite( CTRL_REG4, 0x04); // Enable motion interrupt
I2C_RegisterWrite( CTRL_REG5, 0x04);// Route motion interrupts to INT1 ->PB5 ->EXTI5
I2C_RegisterWrite( CTRL_REG1, 0x11); // ODR=800 Hz, Active mode
}