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Merge branch 'bugfix/2nd_bootloader_uart1_baudrate_issues_v4.3' into 'release/v4.3'

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esp_rom: fix 2nd bootloader custom uart1 baudrate issue (backport to v4.3)

See merge request espressif/esp-idf!20655
This commit is contained in:
morris
2022-10-19 02:09:51 +08:00
parent 83dc965b2f 45e6ae724d
commit 9966753e46
1 changed files with 3 additions and 16 deletions
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19
components/esp_rom/patches/esp_rom_uart.c
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@@ -17,7 +17,6 @@
#include "esp_attr.h"
#include "sdkconfig.h"
#include "hal/uart_ll.h"
#include "soc/uart_struct.h"
#if CONFIG_IDF_TARGET_ESP32
/**
@@ -25,24 +24,12 @@
*/
IRAM_ATTR void esp_rom_uart_tx_wait_idle(uint8_t uart_no)
{
uart_dev_t *device = NULL;
switch (uart_no) {
case 0:
device = &UART0;
break;
case 1:
device = &UART1;
break;
default:
device = &UART2;
break;
}
while (!uart_ll_is_tx_idle(device));
while (!uart_ll_is_tx_idle(UART_LL_GET_HW(uart_no))) {};
}
#endif
IRAM_ATTR void esp_rom_uart_set_clock_baudrate(uint8_t uart_no, uint32_t clock_hz, uint32_t baud_rate)
{
extern void uart_div_modify(uint8_t uart_no, uint32_t DivLatchValue);
uart_div_modify(uart_no, (clock_hz << 4) / baud_rate);
(void)clock_hz;
uart_ll_set_baudrate(UART_LL_GET_HW(uart_no), baud_rate);
}