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remove unused code for uart in led.c

This commit is contained in:
zhangjun 2017-07-30 20:07:36 +08:00
parent b032dff161
commit 20f1a641d5
2 changed files with 2 additions and 86 deletions
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85
bsp/risc-v/drivers/led.c
View File

@ -2,75 +2,9 @@ void rt_hw_led_init(void)
{ {
return; return;
} }
// See LICENSE for license details.
// This is the program which ships on the HiFive1
// board, executing out of SPI Flash at 0x20400000.
#include <stdint.h> #include <stdint.h>
#include "platform.h" #include "platform.h"
#ifndef _SIFIVE_HIFIVE1_H
#error "'led_fade' is designed to run on HiFive1 and/or E300 Arty Dev Kit."
#endif
static const char led_msg[] = "\a\n\r\n\r\
55555555555555555555555555555555555555555555555\n\r\
5555555 Are the LEDs Changing? [y/n] 555555555\n\r\
55555555555555555555555555555555555555555555555\n\r";
static const char sifive_msg[] = "\n\r\
\n\r\
SIFIVE, INC.\n\r\
\n\r\
5555555555555555555555555\n\r\
5555 5555\n\r\
5555 5555\n\r\
5555 5555\n\r\
5555 5555555555555555555555\n\r\
5555 555555555555555555555555\n\r\
5555 5555\n\r\
5555 5555\n\r\
5555 5555\n\r\
5555555555555555555555555555 55555\n\r\
55555 555555555 55555\n\r\
55555 55555 55555\n\r\
55555 5 55555\n\r\
55555 55555\n\r\
55555 55555\n\r\
55555 55555\n\r\
55555 55555\n\r\
55555 55555\n\r\
555555555\n\r\
55555\n\r\
5\n\r\
\n\r\
'led_fade' Demo \n\r\
\n\r";
static void _putc(char c) {
while ((int32_t) UART0_REG(UART_REG_TXFIFO) < 0);
UART0_REG(UART_REG_TXFIFO) = c;
}
int _getc(char * c){
int32_t val = (int32_t) UART0_REG(UART_REG_RXFIFO);
if (val > 0) {
*c = val & 0xFF;
return 1;
}
return 0;
}
static void _puts(const char * s) {
while (*s != '\0'){
_putc(*s++);
}
}
void rt_hw_led_on(int led) void rt_hw_led_on(int led)
{ {
@ -94,11 +28,6 @@ void rt_hw_led_on(int led)
volatile int i=0; volatile int i=0;
while(i < 10000){i++;} while(i < 10000){i++;}
_puts(sifive_msg);
//_puts("Config String:\n\r");
//_puts(*((const char **) 0x100C));
//_puts("\n\r");
_puts(led_msg);
uint16_t r=0xFF; uint16_t r=0xFF;
uint16_t g=0; uint16_t g=0;
uint16_t b=0; uint16_t b=0;
@ -137,20 +66,6 @@ void rt_hw_led_on(int led)
PWM1_REG(PWM_CMP1) = G << 4; // PWM is low on the left, GPIO is low on the left side, LED is ON on the left. PWM1_REG(PWM_CMP1) = G << 4; // PWM is low on the left, GPIO is low on the left side, LED is ON on the left.
PWM1_REG(PWM_CMP2) = (B << 1) << 4; // PWM is high on the middle, GPIO is low in the middle, LED is ON in the middle. PWM1_REG(PWM_CMP2) = (B << 1) << 4; // PWM is high on the middle, GPIO is low in the middle, LED is ON in the middle.
PWM1_REG(PWM_CMP3) = 0xFFFF - (R << 4); // PWM is low on the left, GPIO is low on the right, LED is on on the right. PWM1_REG(PWM_CMP3) = 0xFFFF - (R << 4); // PWM is low on the left, GPIO is low on the right, LED is on on the right.
// Check for user input
if (c == 0){
if (_getc(&c) != 0){
_putc(c);
_puts("\n\r");
if ((c == 'y') || (c == 'Y')){
_puts("PASS\n\r");
} else{
_puts("FAIL\n\r");
}
}
}
return; return;
} }
void rt_hw_led_off(int led) void rt_hw_led_off(int led)

3
bsp/risc-v/drivers/usart.c
View File

@ -48,7 +48,8 @@ static int usart_putc(struct rt_serial_device *serial, char c)
} }
static int usart_getc(struct rt_serial_device *serial) static int usart_getc(struct rt_serial_device *serial)
{ {
return 0; rt_uint8_t val = (rt_uint8_t) UART0_REG(UART_REG_RXFIFO);
return val;
} }
static struct rt_uart_ops ops = { static struct rt_uart_ops ops = {
usart_configure, usart_configure,