X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_hmc5883.c;h=f668fb66e7435f720a08d20cb8d87291326ebb48;hb=97cf9df882291b9e494b2f64f84eb37357a6ab31;hp=ade6c263d84236823d7d366cdb1c42b8b18348c8;hpb=b635cb26ba54c8f5c6a958e0ab0bc4d34d33b635;p=fw%2Faltos diff --git a/src/drivers/ao_hmc5883.c b/src/drivers/ao_hmc5883.c index ade6c263..f668fb66 100644 --- a/src/drivers/ao_hmc5883.c +++ b/src/drivers/ao_hmc5883.c @@ -3,7 +3,8 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -70,19 +71,16 @@ ao_hmc5883_sample(struct ao_hmc5883_sample *sample) { uint16_t *d = (uint16_t *) sample; int i = sizeof (*sample) / 2; - uint8_t single = HMC5883_MODE_SINGLE; ao_hmc5883_done = 0; ao_exti_enable(AO_HMC5883_INT_PORT, AO_HMC5883_INT_PIN); ao_hmc5883_reg_write(HMC5883_MODE, HMC5883_MODE_SINGLE); - ao_alarm(AO_MS_TO_TICKS(10)); - cli(); + ao_arch_block_interrupts(); while (!ao_hmc5883_done) - if (ao_sleep(&ao_hmc5883_done)) + if (ao_sleep_for(&ao_hmc5883_done, AO_MS_TO_TICKS(10))) ++ao_hmc5883_missed_irq; - sei(); - ao_clear_alarm(); + ao_arch_release_interrupts(); ao_hmc5883_read(HMC5883_X_MSB, (uint8_t *) sample, sizeof (struct ao_hmc5883_sample)); #if __BYTE_ORDER == __LITTLE_ENDIAN @@ -109,7 +107,7 @@ ao_hmc5883_setup(void) ao_i2c_put(AO_HMC5883_I2C_INDEX); if (!present) - ao_panic(AO_PANIC_SELF_TEST); + ao_panic(AO_PANIC_SELF_TEST_HMC5883); ao_hmc5883_reg_write(HMC5883_CONFIG_A, (HMC5883_CONFIG_A_MA_8 << HMC5883_CONFIG_A_MA) | @@ -123,12 +121,14 @@ ao_hmc5883_setup(void) return 1; } +struct ao_hmc5883_sample ao_hmc5883_current; + static void ao_hmc5883(void) { ao_hmc5883_setup(); for (;;) { - ao_hmc5883_sample((struct ao_hmc5883_sample *) &ao_data_ring[ao_data_head].hmc5883); + ao_hmc5883_sample(&ao_hmc5883_current); ao_arch_critical( AO_DATA_PRESENT(AO_DATA_HMC5883); AO_DATA_WAIT();