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Add typedef for putc1, fn_putc1_t. (#6550)

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* Add typedef for putc1, fn_putc1_t.
Replaced relevant usage of `(void *)` with `fn_putc1_t`.
Correct usage of `ets_putc()`, returning 0, in libc_replacement.cpp
This PR assumes PR https://github.com/esp8266/Arduino/pull/6489#issue-315018841 has merged and removes `uart_buff_switch` from `umm_performance.cpp`
Updated method of defining `_rom_putc1` to be more acceptable (I hope) to the new compiler.

* Use PROVIDE to expose ROM function entry point, ets_uart_putc1.
Added comments to ets_putc() and ets_uart_putc1() to explain their
differences. Change prototype of ets_putc() to conform with fp_putc_t.
Updated _isr_safe_printf_P to use new definition, ets_uart_putc1.
This commit is contained in:
M Hightower
2019-09-27 14:23:16 -07:00
committed by Earle F. Philhower, III
parent ff1e8e92d1
commit 831d6431bc
6 changed files with 49 additions and 27 deletions
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2
tools/sdk/ld/eagle.rom.addr.v6.ld
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@ -119,6 +119,8 @@ PROVIDE ( ets_install_external_printf = 0x40002450 );
PROVIDE ( ets_install_putc1 = 0x4000242c );
PROVIDE ( ets_install_putc2 = 0x4000248c );
PROVIDE ( ets_install_uart_printf = 0x40002438 );
/* Undocumented function to print character to UART */
PROVIDE ( ets_uart_putc1 = 0x40001dcc );
/* permanently hide reimplemented ets_intr_*lock(), see #6484
PROVIDE ( ets_intr_lock = 0x40000f74 );
PROVIDE ( ets_intr_unlock = 0x40000f80 );