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[peripherals] adxl345_spi: set in/out length to fixed 7 again, mixed lenght not working reliably

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Felix Ruess
2013-02-21 01:40:23 +01:00
parent dcdff17aab
commit 52ad2ff99c
1 changed files with 5 additions and 4 deletions
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sw/airborne/peripherals/adxl345_spi.c
+5 -4
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@@ -60,13 +60,14 @@ void adxl345_spi_init(struct Adxl345_Spi *adxl, struct spi_periph *spi_p, uint8_
adxl345_set_default_config(&(adxl->config));
adxl->initialized = FALSE;
adxl->data_available = FALSE;
adxl->init_status = ADXL_CONF_UNINIT;
}
static void adxl345_spi_write_to_reg(struct Adxl345_Spi *adxl, uint8_t _reg, uint8_t _val) {
adxl->spi_trans.output_length = 2;
adxl->spi_trans.input_length = 0;
//adxl->spi_trans.output_length = 2;
//adxl->spi_trans.input_length = 0;
adxl->tx_buf[0] = _reg;
adxl->tx_buf[1] = _val;
spi_submit(adxl->spi_p, &(adxl->spi_trans));
@@ -115,8 +116,8 @@ void adxl345_spi_start_configure(struct Adxl345_Spi *adxl)
void adxl345_spi_read(struct Adxl345_Spi *adxl)
{
if (adxl->initialized && adxl->spi_trans.status == SPITransDone) {
adxl->spi_trans.output_length = 1;
adxl->spi_trans.input_length = 7;
//adxl->spi_trans.output_length = 1;
//adxl->spi_trans.input_length = 7;
/* set read bit and multiple byte bit, then address */
adxl->tx_buf[0] = (1<<7|1<<6|ADXL345_REG_DATA_X0);
spi_submit(adxl->spi_p, &(adxl->spi_trans));