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| author | Damien George <damien.p.george@gmail.com> | 2014-07-31 13:47:06 +0000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2014-07-31 13:47:06 +0000 |
| commit | 8cc2018d47bc15a1b10295965fc0ccd27c0dcbba (patch) | |
| tree | 5e8ba4bed5de1f1973203b9cff2c8aab78b419fc /stmhal/accel.c | |
| parent | c9aa58e6381018cca2513e3468363af0b5442d1f (diff) | |
| parent | bb4c6f35c627ab3487cdd6bafb4588cc633cd6a4 (diff) | |
Merge branch 'master' of https://github.com/micropython/micropython
Diffstat (limited to 'stmhal/accel.c')
| -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 cfc80f9d3..e846ca4e7 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); } /******************************************************************************/ |