diff options
Diffstat (limited to 'examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c')
| -rw-r--r-- | examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c b/examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c index 3ffd205..2987178 100644 --- a/examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c +++ b/examples/imx7d_sdb_m4/demo_apps/sensor_demo/hardware_init.c @@ -29,7 +29,7 @@ */ #include "board.h" -#include "pin_mux.h" +#include "gpio_pins.h" void hardware_init(void) { @@ -42,7 +42,15 @@ void hardware_init(void) /* initialize debug uart */ dbg_uart_init(); - /* In this example, we need to grasp board I2C exclusively */ + /* In this demo, we need to access RDC SEMAPHORE1 on this board */ + RDC_SetPdapAccess(RDC, rdcPdapSemaphore1, 0xFF, false, false); + + /* In this demo, we need to share board GPIO, we can set sreq argument to true + * when the peer core could also access GPIO with RDC_SEMAPHORE, or the peer + * core doesn't access the GPIO at all */ + RDC_SetPdapAccess(RDC, BOARD_GPIO_SENSOR_RDC_PDAP, 0xFF, false/*true*/, false); + + /* In this example, we need to grasp board I2C exclusively */ RDC_SetPdapAccess(RDC, BOARD_I2C_RDC_PDAP, 3 << (BOARD_DOMAIN_ID * 2), false, false); /* Select I2C clock derived from OSC clock(24M) */ @@ -53,6 +61,15 @@ void hardware_init(void) /* I2C Pin setting */ configure_i2c_pins(BOARD_I2C_BASEADDR); + + /* Enable RDC SEMAPHORE GATE needed in this demo */ + CCM_ControlGate(CCM, ccmCcgrGateSema1, ccmClockNeededRunWait); + + /* Enable gpio clock gate */ + CCM_ControlGate(CCM, BOARD_GPIO_SENSOR_CCM_CCGR, ccmClockNeededRunWait); + + /* Configure gpio pin IOMUX */ + configure_gpio_pin(BOARD_GPIO_SENSOR_CONFIG); } /******************************************************************************* |