jacob.eva/arduino-esp32
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Enable clocks for UART1 and 2

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Recent change in IDF disables those clocks at boot. This change should
help with that.

Fixes: https://github.com/espressif/esp-idf/issues/975
This commit is contained in:
me-no-dev 2017-09-10 20:24:41 +03:00
parent 9edf65d56e
commit 59a6800cdf
1 changed files with 8 additions and 1 deletions
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9
cores/esp32/esp32-hal-uart.c
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@ -26,6 +26,7 @@
#include "soc/uart_struct.h"
#include "soc/io_mux_reg.h"
#include "soc/gpio_sig_map.h"
#include "soc/dport_reg.h"
#define ETS_UART_INUM 5
#define ETS_UART2_INUM ETS_UART_INUM
@ -190,7 +191,13 @@ uart_t* uartBegin(uint8_t uart_nr, uint32_t baudrate, uint32_t config, int8_t rx
return NULL;
}
}
if(uart_nr == 1){
DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART1_CLK_EN);
DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART1_RST);
} else if(uart_nr == 2){
DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART2_CLK_EN);
DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART2_RST);
}
uartFlush(uart);
uartSetBaudRate(uart, baudrate);
UART_MUTEX_LOCK();