123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141 |
- #include "nrf_drv_uart.h"
- #ifdef UARTE_PRESENT
- #define INSTANCE_COUNT UARTE_COUNT
- #else
- #define INSTANCE_COUNT UART_COUNT
- #endif
- static nrf_uart_event_handler_t m_handlers[INSTANCE_COUNT];
- static void * m_contexts[INSTANCE_COUNT];
- #if defined(UARTE_PRESENT) && defined(UART_PRESENT)
- uint8_t nrf_drv_uart_use_easy_dma[INSTANCE_COUNT];
- #endif
- #if defined(NRF_DRV_UART_WITH_UARTE)
- static void uarte_evt_handler(nrfx_uarte_event_t const * p_event,
- void * p_context)
- {
- uint32_t inst_idx = (uint32_t)p_context;
- nrf_drv_uart_event_t event =
- {
- .type = (nrf_drv_uart_evt_type_t)p_event->type,
- .data =
- {
- .error =
- {
- .rxtx =
- {
- .p_data = p_event->data.error.rxtx.p_data,
- .bytes = p_event->data.error.rxtx.bytes,
- },
- .error_mask = p_event->data.error.error_mask,
- }
- }
- };
- m_handlers[inst_idx](&event, m_contexts[inst_idx]);
- }
- #endif
- #if defined(NRF_DRV_UART_WITH_UART)
- static void uart_evt_handler(nrfx_uart_event_t const * p_event,
- void * p_context)
- {
- uint32_t inst_idx = (uint32_t)p_context;
- nrf_drv_uart_event_t event =
- {
- .type = (nrf_drv_uart_evt_type_t)p_event->type,
- .data =
- {
- .error =
- {
- .rxtx =
- {
- .p_data = p_event->data.error.rxtx.p_data,
- .bytes = p_event->data.error.rxtx.bytes,
- },
- .error_mask = p_event->data.error.error_mask,
- }
- }
- };
- m_handlers[inst_idx](&event, m_contexts[inst_idx]);
- }
- #endif
- ret_code_t nrf_drv_uart_init(nrf_drv_uart_t const * p_instance,
- nrf_drv_uart_config_t const * p_config,
- nrf_uart_event_handler_t event_handler)
- {
- uint32_t inst_idx = p_instance->inst_idx;
- m_handlers[inst_idx] = event_handler;
- m_contexts[inst_idx] = p_config->p_context;
- #if defined(NRF_DRV_UART_WITH_UARTE) && defined(NRF_DRV_UART_WITH_UART)
- #ifdef NRF52840_XXAA
- if (inst_idx == 1)
- {
- ASSERT(p_config->use_easy_dma);
- }
- #endif
- nrf_drv_uart_use_easy_dma[inst_idx] = p_config->use_easy_dma;
- #endif
- nrf_drv_uart_config_t config = *p_config;
- config.p_context = (void *)inst_idx;
- ret_code_t result = 0;
- if (NRF_DRV_UART_USE_UARTE)
- {
- result = nrfx_uarte_init(&p_instance->uarte,
- (nrfx_uarte_config_t const *)&config,
- event_handler ? uarte_evt_handler : NULL);
- }
- else if (NRF_DRV_UART_USE_UART)
- {
- result = nrfx_uart_init(&p_instance->uart,
- (nrfx_uart_config_t const *)&config,
- event_handler ? uart_evt_handler : NULL);
- }
- return result;
- }
|