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esp_rom: add rom api esp_rom_uart_set_as_console for riscv chips

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jiangguangming
2022-11-04 11:45:39 +08:00
parent 960ed3ff26
commit c6e5bee48a
2 changed files with 24 additions and 1 deletions
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2
components/esp_rom/CMakeLists.txt
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@ -19,7 +19,7 @@ else()
"patches/esp_rom_uart.c" "patches/esp_rom_uart.c"
"patches/esp_rom_tjpgd.c" "patches/esp_rom_tjpgd.c"
"patches/esp_rom_efuse.c") "patches/esp_rom_efuse.c")
list(APPEND private_required_comp soc hal) list(APPEND private_required_comp soc hal efuse)
endif() endif()
if(CONFIG_IDF_TARGET_ARCH_XTENSA) if(CONFIG_IDF_TARGET_ARCH_XTENSA)

23
components/esp_rom/patches/esp_rom_uart.c
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@ -15,6 +15,7 @@
#include <stdint.h> #include <stdint.h>
#include <stdlib.h> #include <stdlib.h>
#include "esp_attr.h" #include "esp_attr.h"
#include "esp_efuse.h"
#include "sdkconfig.h" #include "sdkconfig.h"
#include "hal/uart_ll.h" #include "hal/uart_ll.h"
@ -33,3 +34,25 @@ IRAM_ATTR void esp_rom_uart_set_clock_baudrate(uint8_t uart_no, uint32_t clock_h
(void)clock_hz; (void)clock_hz;
uart_ll_set_baudrate(UART_LL_GET_HW(uart_no), baud_rate); uart_ll_set_baudrate(UART_LL_GET_HW(uart_no), baud_rate);
} }
#if CONFIG_IDF_TARGET_ESP32C3
/**
* The ESP32-C3 ROM has released two versions, one is the ECO3 version,
* and the other is the version before ECO3 (include ECO0 ECO1 ECO2).
* These two versions of the ROM code do not list uart_tx_switch wrap
* function in the ROM interface, so here use the uart_tx_switch direct
* address instead.
*/
IRAM_ATTR void esp_rom_uart_set_as_console(uint8_t uart_no)
{
typedef void (*rom_func_t)(uint8_t);
rom_func_t uart_tx_switch = NULL;
if (esp_efuse_get_chip_ver() < 3) {
uart_tx_switch = (rom_func_t)0x4004b8ca;
} else {
uart_tx_switch = (rom_func_t)0x4004c166;
}
uart_tx_switch(uart_no);
}
#endif