diff options
| -rw-r--r-- | stmhal/accel.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/stmhal/accel.c b/stmhal/accel.c index cfc80f9d3c..e846ca4e77 100644 --- a/stmhal/accel.c +++ b/stmhal/accel.c @@ -83,11 +83,11 @@ STATIC void accel_start(void) { I2CHandle1.Init.OwnAddress2 = 0xfe; // unused i2c_init(&I2CHandle1); - // turn off AVDD, wait 20ms, turn on AVDD, wait 20ms again + // turn off AVDD, wait 30ms, turn on AVDD, wait 30ms again GPIOB->BSRRH = GPIO_PIN_5; // turn off - HAL_Delay(20); + HAL_Delay(30); GPIOB->BSRRL = GPIO_PIN_5; // turn on - HAL_Delay(20); + HAL_Delay(30); HAL_StatusTypeDef status; @@ -100,11 +100,12 @@ STATIC void accel_start(void) { } } - //printf("MemWrite\n"); - uint8_t data[1]; - data[0] = 1; // active mode + // set MMA to active mode + uint8_t data[1] = {1}; // active mode status = HAL_I2C_Mem_Write(&I2CHandle1, MMA_ADDR, MMA_REG_MODE, I2C_MEMADD_SIZE_8BIT, data, 1, 200); - //printf(" got %d\n", status); + + // wait for MMA to become active + HAL_Delay(30); } /******************************************************************************/ |