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uart: add pre uart hook

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Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-10-20 18:43:58 +01:00
parent d49f20b7ba
commit 77be6da29c
2 changed files with 6 additions and 0 deletions
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1
include/mraa_adv_func.h
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@@ -61,5 +61,6 @@ typedef struct {
mraa_result_t (*spi_init_pre) (int bus);
mraa_result_t (*spi_init_post) (mraa_spi_context spi);
mraa_result_t (*uart_init_pre) (int index);
mraa_result_t (*uart_init_post) (mraa_uart_context uart);
} mraa_adv_func_t;

5
src/uart/uart.c
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@@ -33,6 +33,11 @@
mraa_uart_context
mraa_uart_init(int index)
{
if (advance_func->uart_init_pre != NULL) {
if (advance_func->uart_init_pre(index) != MRAA_SUCCESS)
return NULL;
}
if ( mraa_setup_uart(index) != MRAA_SUCCESS)
return NULL;