mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-12-07 13:45:03 -05:00
Split off target-specific parts from firmware/drivers/serial.c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29768 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken
parent
0dfce1972b
commit
55a7a31ce3
5 changed files with 304 additions and 218 deletions
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@ -584,6 +584,7 @@ drivers/i2c.c
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target/sh/archos/ata-archos.c
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target/sh/archos/timer-archos.c
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target/sh/archos/ata-as-archos.S
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target/sh/archos/uart-archos.c
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target/sh/archos/player/button-player.c
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target/sh/archos/player/hwcompat-player.c
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target/sh/archos/player/lcd-as-player.S
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@ -601,6 +602,7 @@ target/sh/archos/audio-archos.c
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target/sh/archos/ata-archos.c
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target/sh/archos/timer-archos.c
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target/sh/archos/ata-as-archos.S
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target/sh/archos/uart-archos.c
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target/sh/archos/lcd-archos-bitmap.c
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target/sh/archos/lcd-as-archos-bitmap.S
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target/sh/archos/recorder/button-recorder.c
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@ -876,6 +878,7 @@ target/coldfire/iriver/udacodec-iriver.c
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#ifndef SIMULATOR
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drivers/sw_i2c.c
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target/coldfire/ata-as-coldfire.S
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target/coldfire/uart-coldfire.c
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target/coldfire/iriver/ata-iriver.c
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target/coldfire/iriver/lcd-remote-iriver.c
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target/coldfire/iriver/lcd-remote-as-iriver.S
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@ -976,6 +979,7 @@ target/arm/imx31/mmu-imx31.c
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target/arm/imx31/rolo_restart_firmware.S
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target/arm/imx31/sdma-imx31.c
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target/arm/imx31/spi-imx31.c
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target/arm/imx31/uart-imx31.c
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target/arm/imx31/gigabeat-s/adc-gigabeat-s.c
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target/arm/imx31/gigabeat-s/backlight-gigabeat-s.c
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target/arm/imx31/gigabeat-s/button-gigabeat-s.c
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@ -30,223 +30,7 @@
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#include "serial.h"
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#include "iap.h"
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#if CONFIG_CPU == IMX31L
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#include "serial-imx31.h"
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#endif
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#if CONFIG_CPU == SH7034
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/* FIX: this doesn't work on iRiver or iPod yet */
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/* iFP7xx has no remote */
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/* Received byte identifiers */
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#define PLAY 0xC1
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#define STOP 0xC2
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#define PREV 0xC4
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#define NEXT 0xC8
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#define VOLUP 0xD0
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#define VOLDN 0xE0
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void serial_setup (void)
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{
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/* Set PB10 function to serial Rx */
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PBCR1 = (PBCR1 & 0xffcf) | 0x0020;
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SMR1 = 0x00;
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SCR1 = 0;
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BRR1 = (FREQ/(32*9600))-1;
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and_b(0, &SSR1); /* The status bits must be read before they are cleared,
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so we do an AND operation */
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/* Let the hardware settle. The serial port needs to wait "at least
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the interval required to transmit or receive one bit" before it
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can be used. */
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sleep(1);
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SCR1 = 0x10; /* Enable the receiver, no interrupt */
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}
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int tx_rdy(void)
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{
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/* a dummy */
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return 1;
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}
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int rx_rdy(void)
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{
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if(SSR1 & SCI_RDRF)
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return 1;
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else
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return 0;
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}
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void tx_writec(unsigned char c)
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{
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/* a dummy */
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(void)c;
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}
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unsigned char rx_readc(void)
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{
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char tmp;
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/* Read byte and clear the Rx Full bit */
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tmp = RDR1;
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and_b(~SCI_RDRF, &SSR1);
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return tmp;
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}
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/* This function returns the received remote control code only if it is
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received without errors before or after the reception.
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It therefore returns the received code on the second call after the
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code has been received. */
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int remote_control_rx(void)
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{
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static int last_valid_button = BUTTON_NONE;
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static int last_was_error = false;
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int btn;
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int ret = BUTTON_NONE;
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/* Errors? Just clear'em. The receiver stops if we don't */
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if(SSR1 & (SCI_ORER | SCI_FER | SCI_PER)) {
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and_b(~(SCI_ORER | SCI_FER | SCI_PER), &SSR1);
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last_valid_button = BUTTON_NONE;
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last_was_error = true;
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return BUTTON_NONE;
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}
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if(rx_rdy()) {
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btn = rx_readc();
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if(last_was_error)
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{
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last_valid_button = BUTTON_NONE;
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ret = BUTTON_NONE;
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}
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else
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{
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switch (btn)
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{
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case STOP:
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last_valid_button = BUTTON_RC_STOP;
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break;
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case PLAY:
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last_valid_button = BUTTON_RC_PLAY;
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break;
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case VOLUP:
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last_valid_button = BUTTON_RC_VOL_UP;
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break;
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case VOLDN:
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last_valid_button = BUTTON_RC_VOL_DOWN;
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break;
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case PREV:
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last_valid_button = BUTTON_RC_LEFT;
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break;
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case NEXT:
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last_valid_button = BUTTON_RC_RIGHT;
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break;
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default:
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last_valid_button = BUTTON_NONE;
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break;
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}
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}
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}
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else
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{
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/* This means that a valid remote control character was received
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the last time we were called, with no receiver errors either before
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or after. Then we can assume that there really is a remote control
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attached, and return the button code. */
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ret = last_valid_button;
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last_valid_button = BUTTON_NONE;
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}
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last_was_error = false;
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return ret;
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}
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#elif defined(CPU_COLDFIRE)
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void serial_setup (void)
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{
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UCR0 = 0x30; /* Reset transmitter */
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UCSR0 = 0xdd; /* Timer mode */
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UCR0 = 0x10; /* Reset pointer */
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UMR0 = 0x13; /* No parity, 8 bits */
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UMR0 = 0x07; /* 1 stop bit */
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UCR0 = 0x04; /* Tx enable */
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}
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int tx_rdy(void)
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{
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if(USR0 & 0x04)
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return 1;
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else
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return 0;
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}
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int rx_rdy(void)
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{
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/* a dummy */
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return 0;
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}
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void tx_writec(unsigned char c)
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{
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UTB0 = c;
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}
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#elif (CONFIG_CPU == IMX31L)
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void serial_setup(void)
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{
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#ifdef UART_INT /*enable UART Interrupts */
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UCR1_1 |= (EUARTUCR1_TRDYEN | EUARTUCR1_RRDYEN | EUARTUCR1_TXMPTYEN);
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UCR4_1 |= (EUARTUCR4_TCEN);
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#else /*disable UART Interrupts*/
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UCR1_1 &= ~(EUARTUCR1_TRDYEN | EUARTUCR1_RRDYEN | EUARTUCR1_TXMPTYEN);
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UCR4_1 &= ~(EUARTUCR4_TCEN);
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#endif
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UCR1_1 |= EUARTUCR1_UARTEN;
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UCR2_1 |= (EUARTUCR2_TXEN | EUARTUCR2_RXEN | EUARTUCR2_IRTS);
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/* Tx,Rx Interrupt Trigger levels, Disable for now*/
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/*UFCR1 |= (UFCR1_TXTL_32 | UFCR1_RXTL_32);*/
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}
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int tx_rdy(void)
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{
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if((UTS1 & EUARTUTS_TXEMPTY))
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return 1;
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else
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return 0;
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}
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/*Not ready...After first Rx, UTS1 & UTS1_RXEMPTY
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keeps returning true*/
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int rx_rdy(void)
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{
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if(!(UTS1 & EUARTUTS_RXEMPTY))
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return 1;
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else
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return 0;
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}
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void tx_writec(unsigned char c)
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{
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UTXD1=(int) c;
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}
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#elif defined(IPOD_ACCESSORY_PROTOCOL)
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#if defined(IPOD_ACCESSORY_PROTOCOL)
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static int autobaud = 0;
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void serial_setup (void)
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{
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@ -419,7 +203,6 @@ void SERIAL0(void)
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newpkt = pkt;
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}
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}
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#endif
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void dprintf(const char * str, ... )
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72
firmware/target/arm/imx31/uart-imx31.c
Normal file
72
firmware/target/arm/imx31/uart-imx31.c
Normal file
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@ -0,0 +1,72 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Alan Korr & Nick Robinson
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "config.h"
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#include "button.h"
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#include "cpu.h"
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#include "system.h"
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#include "kernel.h"
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#include "serial.h"
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#include "serial-imx31.h"
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void serial_setup(void)
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{
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#ifdef UART_INT /*enable UART Interrupts */
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UCR1_1 |= (EUARTUCR1_TRDYEN | EUARTUCR1_RRDYEN | EUARTUCR1_TXMPTYEN);
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UCR4_1 |= (EUARTUCR4_TCEN);
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#else /*disable UART Interrupts*/
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UCR1_1 &= ~(EUARTUCR1_TRDYEN | EUARTUCR1_RRDYEN | EUARTUCR1_TXMPTYEN);
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UCR4_1 &= ~(EUARTUCR4_TCEN);
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#endif
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UCR1_1 |= EUARTUCR1_UARTEN;
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UCR2_1 |= (EUARTUCR2_TXEN | EUARTUCR2_RXEN | EUARTUCR2_IRTS);
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/* Tx,Rx Interrupt Trigger levels, Disable for now*/
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/*UFCR1 |= (UFCR1_TXTL_32 | UFCR1_RXTL_32);*/
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}
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int tx_rdy(void)
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{
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if((UTS1 & EUARTUTS_TXEMPTY))
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return 1;
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else
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return 0;
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}
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/*Not ready...After first Rx, UTS1 & UTS1_RXEMPTY
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keeps returning true*/
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int rx_rdy(void)
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{
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if(!(UTS1 & EUARTUTS_RXEMPTY))
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return 1;
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else
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return 0;
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}
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void tx_writec(unsigned char c)
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{
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UTXD1=(int) c;
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}
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60
firmware/target/coldfire/uart-coldfire.c
Normal file
60
firmware/target/coldfire/uart-coldfire.c
Normal file
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@ -0,0 +1,60 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
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* \/ \/ \/ \/ \/
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* $Id$
|
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*
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* Copyright (C) 2002 by Alan Korr & Nick Robinson
|
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*
|
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* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
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*
|
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
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****************************************************************************/
|
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "serial.h"
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void serial_setup (void)
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{
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UCR0 = 0x30; /* Reset transmitter */
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UCSR0 = 0xdd; /* Timer mode */
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UCR0 = 0x10; /* Reset pointer */
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UMR0 = 0x13; /* No parity, 8 bits */
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UMR0 = 0x07; /* 1 stop bit */
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UCR0 = 0x04; /* Tx enable */
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}
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int tx_rdy(void)
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{
|
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if(USR0 & 0x04)
|
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return 1;
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else
|
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return 0;
|
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}
|
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|
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int rx_rdy(void)
|
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{
|
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/* a dummy */
|
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return 0;
|
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}
|
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|
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void tx_writec(unsigned char c)
|
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{
|
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UTB0 = c;
|
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}
|
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|
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167
firmware/target/sh/archos/uart-archos.c
Normal file
167
firmware/target/sh/archos/uart-archos.c
Normal file
|
|
@ -0,0 +1,167 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (C) 2002 by Alan Korr & Nick Robinson
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
****************************************************************************/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
|
||||
#include "config.h"
|
||||
#include "button.h"
|
||||
#include "cpu.h"
|
||||
#include "system.h"
|
||||
#include "kernel.h"
|
||||
#include "serial.h"
|
||||
|
||||
/* FIX: this doesn't work on iRiver or iPod yet */
|
||||
/* iFP7xx has no remote */
|
||||
|
||||
/* Received byte identifiers */
|
||||
#define PLAY 0xC1
|
||||
#define STOP 0xC2
|
||||
#define PREV 0xC4
|
||||
#define NEXT 0xC8
|
||||
#define VOLUP 0xD0
|
||||
#define VOLDN 0xE0
|
||||
|
||||
void serial_setup (void)
|
||||
{
|
||||
/* Set PB10 function to serial Rx */
|
||||
PBCR1 = (PBCR1 & 0xffcf) | 0x0020;
|
||||
|
||||
SMR1 = 0x00;
|
||||
SCR1 = 0;
|
||||
BRR1 = (FREQ/(32*9600))-1;
|
||||
and_b(0, &SSR1); /* The status bits must be read before they are cleared,
|
||||
so we do an AND operation */
|
||||
|
||||
/* Let the hardware settle. The serial port needs to wait "at least
|
||||
the interval required to transmit or receive one bit" before it
|
||||
can be used. */
|
||||
sleep(1);
|
||||
|
||||
SCR1 = 0x10; /* Enable the receiver, no interrupt */
|
||||
}
|
||||
|
||||
int tx_rdy(void)
|
||||
{
|
||||
/* a dummy */
|
||||
return 1;
|
||||
}
|
||||
|
||||
int rx_rdy(void)
|
||||
{
|
||||
if(SSR1 & SCI_RDRF)
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
void tx_writec(unsigned char c)
|
||||
{
|
||||
/* a dummy */
|
||||
(void)c;
|
||||
}
|
||||
|
||||
unsigned char rx_readc(void)
|
||||
{
|
||||
char tmp;
|
||||
/* Read byte and clear the Rx Full bit */
|
||||
tmp = RDR1;
|
||||
and_b(~SCI_RDRF, &SSR1);
|
||||
return tmp;
|
||||
}
|
||||
|
||||
|
||||
/* This function returns the received remote control code only if it is
|
||||
received without errors before or after the reception.
|
||||
It therefore returns the received code on the second call after the
|
||||
code has been received. */
|
||||
int remote_control_rx(void)
|
||||
{
|
||||
static int last_valid_button = BUTTON_NONE;
|
||||
static int last_was_error = false;
|
||||
int btn;
|
||||
int ret = BUTTON_NONE;
|
||||
|
||||
/* Errors? Just clear'em. The receiver stops if we don't */
|
||||
if(SSR1 & (SCI_ORER | SCI_FER | SCI_PER)) {
|
||||
and_b(~(SCI_ORER | SCI_FER | SCI_PER), &SSR1);
|
||||
last_valid_button = BUTTON_NONE;
|
||||
last_was_error = true;
|
||||
return BUTTON_NONE;
|
||||
}
|
||||
|
||||
if(rx_rdy()) {
|
||||
btn = rx_readc();
|
||||
|
||||
if(last_was_error)
|
||||
{
|
||||
last_valid_button = BUTTON_NONE;
|
||||
ret = BUTTON_NONE;
|
||||
}
|
||||
else
|
||||
{
|
||||
switch (btn)
|
||||
{
|
||||
case STOP:
|
||||
last_valid_button = BUTTON_RC_STOP;
|
||||
break;
|
||||
|
||||
case PLAY:
|
||||
last_valid_button = BUTTON_RC_PLAY;
|
||||
break;
|
||||
|
||||
case VOLUP:
|
||||
last_valid_button = BUTTON_RC_VOL_UP;
|
||||
break;
|
||||
|
||||
case VOLDN:
|
||||
last_valid_button = BUTTON_RC_VOL_DOWN;
|
||||
break;
|
||||
|
||||
case PREV:
|
||||
last_valid_button = BUTTON_RC_LEFT;
|
||||
break;
|
||||
|
||||
case NEXT:
|
||||
last_valid_button = BUTTON_RC_RIGHT;
|
||||
break;
|
||||
|
||||
default:
|
||||
last_valid_button = BUTTON_NONE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This means that a valid remote control character was received
|
||||
the last time we were called, with no receiver errors either before
|
||||
or after. Then we can assume that there really is a remote control
|
||||
attached, and return the button code. */
|
||||
ret = last_valid_button;
|
||||
last_valid_button = BUTTON_NONE;
|
||||
}
|
||||
|
||||
last_was_error = false;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue