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Board file fixes for the Olimex-SAM7EX256 board

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This commit is contained in:
inmarket 2015-02-07 21:58:24 +10:00
parent 5b2fff679d
commit 867324f1d5
3 changed files with 136 additions and 85 deletions
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9
boards/base/Olimex-SAM7EX256-GE12/board_Nokia6610GE12.h
View File

@ -100,9 +100,7 @@ static inline void init_board(GDisplay *g) {
pPIOA->PIO_SODR = PIOA_LCD_RESET_MASK; // Set PA2 to HIGH
pPIOA->PIO_OER = PIOA_LCD_RESET_MASK; // Configure PA2 as output
// CS pin - this seems to be ignored
// pPIOA->PIO_SODR = 1<<12; // Set PA2 to HIGH
// pPIOA->PIO_OER = 1<<12; // Configure PA2 as output
// CS pin - this is driven automatically by the SPI hardware itself
// Init SPI0
// Disable the following pins from PIO control (will be used instead by the SPI0 peripheral)
@ -119,6 +117,7 @@ static inline void init_board(GDisplay *g) {
// Fixed mode
pSPI->SPI_CR = 0x81; //SPI Enable, Software reset
pSPI->SPI_CR = 0x81; //SPI Enable, Software reset - 2nd write as per errata
pSPI->SPI_CR = 0x01; //SPI Enable
pSPI->SPI_MR = 0xE0011; //Master mode, fixed select, disable decoder, PCS=1110
pSPI->SPI_CSR[0] = 0x01010311; //9bit, CPOL=1, ClockPhase=0, SCLK = 48Mhz/3 = 16MHz
@ -179,7 +178,7 @@ static inline void release_bus(GDisplay *g) {
static inline void write_index(GDisplay *g, uint16_t index) {
(void) g;
// wait for the previous transfer to complete
while((pSPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0);
while(!(pSPI->SPI_SR & AT91C_SPI_TDRE));
// send the command
pSPI->SPI_TDR = index & 0xFF;
}
@ -187,7 +186,7 @@ static inline void write_index(GDisplay *g, uint16_t index) {
static inline void write_data(GDisplay *g, uint16_t data) {
(void) g;
// wait for the previous transfer to complete
while((pSPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0);
while(!(pSPI->SPI_SR & AT91C_SPI_TDRE));
// send the data
pSPI->SPI_TDR = data | 0x0100;
}

19
boards/base/Olimex-SAM7EX256-GE8/board_Nokia6610GE8.h
View File

@ -37,7 +37,6 @@ static volatile AT91PS_PIO pPIOA = AT91C_BASE_PIOA;
static volatile AT91PS_PIO pPIOB = AT91C_BASE_PIOB;
static volatile AT91PS_SPI pSPI = AT91C_BASE_SPI0;
static volatile AT91PS_PMC pPMC = AT91C_BASE_PMC;
static volatile AT91PS_PDC pPDC = AT91C_BASE_PDC_SPI0;
/* The PWM backlight control is non-linear on this board.
* We pick values here that make it look a bit more linear.
@ -100,9 +99,7 @@ static inline void init_board(GDisplay *g) {
pPIOA->PIO_SODR = PIOA_LCD_RESET_MASK; // Set PA2 to HIGH
pPIOA->PIO_OER = PIOA_LCD_RESET_MASK; // Configure PA2 as output
// CS pin - this seems to be ignored
// pPIOA->PIO_SODR = 1<<12; // Set PA2 to HIGH
// pPIOA->PIO_OER = 1<<12; // Configure PA2 as output
// CS pin - this is driven automatically by the SPI hardware itself
// Init SPI0
// Disable the following pins from PIO control (will be used instead by the SPI0 peripheral)
@ -112,16 +109,16 @@ static inline void init_board(GDisplay *g) {
// BIT18 = PA18 -> SPI0_SPCK Serial Clock (to LCD slave)
pPIOA->PIO_PDR = (1<<12) | (1<<16) | (1<<17) | (1<<18);
pPIOA->PIO_ASR = (1<<12) | (1<<16) | (1<<17) | (1<<18);
pPIOA->PIO_BSR = 0;
//enable the clock of SPI
pPMC->PMC_PCER = 1 << AT91C_ID_SPI0;
// Fixed mode
pSPI->SPI_CR = 0x81; //SPI Enable, Software reset
pSPI->SPI_CR = 0x81; //SPI Enable, Software reset - 2nd write as per errata
pSPI->SPI_CR = 0x01; //SPI Enable
pSPI->SPI_MR = 0xE0011; //Master mode, fixed select, disable decoder, PCS=1110
pSPI->SPI_CSR[0] = 0x01010311; //9bit, CPOL=1, ClockPhase=0, SCLK = 48Mhz/3 = 16MHz
pSPI->SPI_MR = 0x000E0011; //Master mode, fixed select, disable decoder, PCS=1110
pSPI->SPI_CSR[0] = 0x00000311; //9bit, CPOL=1, ClockPhase=0, SCLK = 48Mhz/3 = 16MHz
/* Display backlight control at 100% */
pwmRunning = FALSE;
@ -178,16 +175,16 @@ static inline void release_bus(GDisplay *g) {
static inline void write_index(GDisplay *g, uint16_t index) {
(void) g;
// wait for the previous transfer to complete
while((pSPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0);
// wait for the previous transfer to start
while(!(pSPI->SPI_SR & AT91C_SPI_TDRE));
// send the command
pSPI->SPI_TDR = index & 0xFF;
}
static inline void write_data(GDisplay *g, uint16_t data) {
(void) g;
// wait for the previous transfer to complete
while((pSPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0);
// wait for the previous transfer to start
while(!(pSPI->SPI_SR & AT91C_SPI_TDRE));
// send the data
pSPI->SPI_TDR = data | 0x0100;
}

191
boards/base/Olimex-SAM7EX256-GE8/board_TLS8204.h
View File

@ -10,36 +10,142 @@
#include "board_uext.h"
// The various methods of driving the SPI interface
#define SPI_METHOD_PIO 1
#define SPI_METHOD_AT91 2
#define SPI_METHOD_CHIBIOS 3 // ChibiOS SPI for AT91SAM7 requires patch 7675 or higher to work correctly
// The various methods of driving the PIO interface
#define PIO_METHOD_AT91 1
#define PIO_METHOD_CHIBIOS 2 // ChibiOS PIO for the AT91SAM7 requires patch 7669 or higher to work correctly
// What methods are we using in this file
#define SPI_METHOD SPI_METHOD_AT91
#define PIO_METHOD PIO_METHOD_AT91
// If using SPI_METHOD_CHIBIOS or SPI_METHOD_AT91 then this must be defined for your CPU
#define SPI_CONFIG_REGISTER 0x00000801 // For AT91SAM7: 8bit, CPOL=1, NCPHA = 0, ClockPhase=0, SCLK = 48Mhz/8 = 6MHz
//---------------------------------------------------------------------
#define PORT_RESET UEXT_PORT_PIN5
#define PIN_RESET UEXT_PORTPIN_PIN5
#define PORT_DC UEXT_PORT_PIN6
#define PIN_DC UEXT_PORTPIN_PIN6
#define BIT_BASH TRUE // Native SPI is not working yet
#define DIRECT_IO TRUE // ChibiOS for the AT91SAM7 requires patch 7669 or higher if DIRECT_IO is FALSE
#if DIRECT_IO
#if PIO_METHOD == PIO_METHOD_AT91
#define PinIsOutput(port,pin) ((port)->PIO_OER = 1 << (pin), (port)->PIO_PER = 1 << (pin), (port)->PIO_MDDR = 1 << (pin), (port)->PIO_PPUDR = 1 << (pin))
#define PinSet(port,pin) (port)->PIO_SODR = 1 << (pin)
#define PinClear(port,pin) (port)->PIO_CODR = 1 << (pin)
#else
#elif PIO_METHOD == PIO_METHOD_CHIBIOS
#define PinIsOutput(port,pin) palSetPadMode((port), (pin), PAL_MODE_OUTPUT_PUSHPULL)
#define PinSet(port,pin) palSetPad((port), (pin))
#define PinClear(port,pin) palClearPad((port), (pin))
#else
#error "TLS8204 board file: Unsupported PIO method"
#endif
#if BIT_BASH
// simple delays
void Delay(volatile unsigned long a) { while (a!=0) a--; }
void Delayc(volatile unsigned char a) { while (a!=0) a--; }
#if SPI_METHOD == SPI_METHOD_PIO
static void spi_delay(volatile unsigned long a) { while (a!=0) a--; }
static void spi_write(uint8_t data) {
uint8_t bit;
for(bit = 0x80; bit; bit >>= 1) {
if(data & bit)
PinSet(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
else
PinClear(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
spi_delay(1000);
PinClear(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
spi_delay(1000);
PinSet(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
}
}
#define SPI_INIT() { \
PinIsOutput (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN); \
PinSet (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN); \
PinIsOutput (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN); \
PinSet (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN); \
PinIsOutput (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN); \
PinSet (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN); \
}
#define SPI_GETBUS() PinClear(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN)
#define SPI_RELEASEBUS() PinSet(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN)
#define SPI_WAITCOMPLETE()
#define SPI_WRITEBYTE(data) spi_write(data)
#define SPI_WRITEBYTES(pdata, len) while(len--) spi_write(*pdata++)
#elif SPI_METHOD == SPI_METHOD_AT91
#if UEXT_SPI_SCK_PORTPIN == 22
// Assume it is on SPI1
#define UEXT_SPI_DEV AT91C_BASE_SPI1
#define UEXT_SPI_ID AT91C_ID_SPI1
#define UEXT_SPI_PORT AT91C_BASE_PIOA
#define UEXT_SPI_PERIPH PIO_BSR
#else
// Assume it is on SPI0
#define UEXT_SPI_DEV AT91C_BASE_SPI0
#define UEXT_SPI_ID AT91C_ID_SPI0
#define UEXT_SPI_PORT AT91C_BASE_PIOA
#define UEXT_SPI_PERIPH PIO_ASR
#endif
#define SPI_INIT() { \
UEXT_SPI_PORT->PIO_MDDR = (1<<UEXT_SPI_CS_PORTPIN) | (1<<UEXT_SPI_SCK_PORTPIN) | (1<<UEXT_SPI_MOSI_PORTPIN) | (1<<UEXT_SPI_MISO_PORTPIN); \
UEXT_SPI_PORT->PIO_PPUER = 1<<UEXT_SPI_MISO_PORTPIN; \
UEXT_SPI_PORT->PIO_PDR = (1<<UEXT_SPI_CS_PORTPIN) | (1<<UEXT_SPI_SCK_PORTPIN) | (1<<UEXT_SPI_MOSI_PORTPIN) | (1<<UEXT_SPI_MISO_PORTPIN); \
UEXT_SPI_PORT->UEXT_SPI_PERIPH = (1<<UEXT_SPI_CS_PORTPIN) | (1<<UEXT_SPI_SCK_PORTPIN) | (1<<UEXT_SPI_MOSI_PORTPIN) | (1<<UEXT_SPI_MISO_PORTPIN); \
AT91C_BASE_PMC->PMC_PCER = 1 << UEXT_SPI_ID; \
UEXT_SPI_DEV->SPI_CR = 0x81; \
UEXT_SPI_DEV->SPI_CR = 0x81; \
UEXT_SPI_DEV->SPI_CR = 0x01; \
UEXT_SPI_DEV->SPI_MR = 0x000E0011; \
UEXT_SPI_DEV->SPI_CSR[0] = SPI_CONFIG_REGISTER; \
}
#define SPI_WAITCOMPLETE() while(!(UEXT_SPI_DEV->SPI_SR & AT91C_SPI_TXEMPTY))
#define SPI_GETBUS()
#define SPI_RELEASEBUS()
#define SPI_WRITEBYTE(data) { \
while(!(UEXT_SPI_DEV->SPI_SR & AT91C_SPI_TDRE)); \
UEXT_SPI_DEV->SPI_TDR = data; \
}
#define SPI_WRITEBYTES(pdata, len) while(len--) SPI_WRITEBYTE(*pdata++)
#elif SPI_METHOD == SPI_METHOD_CHIBIOS
static const SPIConfig spiconfig = {
0,
/* HW dependent part.*/
UEXT_SPI_CS_PORT,
UEXT_SPI_CS_PORTPIN,
0x01010801 // For AT91SAM7: 8bit, CPOL=1, NCPHA = 0, ClockPhase=0, SCLK = 48Mhz/8 = 6MHz
SPI_CONFIG_REGISTER
};
#define SPI_INIT()
#define SPI_GETBUS() { \
spiStart(UEXT_SPI, &spiconfig); \
spiSelect(UEXT_SPI); \
}
#define SPI_RELEASEBUS() { \
spiUnselect(UEXT_SPI); \
spiStop(UEXT_SPI); \
}
#define SPI_WAITCOMPLETE()
#define SPI_WRITEBYTE(data) spiSend(UEXT_SPI, 1, &data)
#define SPI_WRITEBYTES(pdata, len) spiSend(UEXT_SPI, len, pdata)
#else
#error "TLS8204 board file: Unsupported SPI method"
#endif
static inline void init_board(GDisplay *g) {
@ -49,15 +155,7 @@ static inline void init_board(GDisplay *g) {
PinIsOutput (PORT_RESET, PIN_RESET);
PinSet (PORT_RESET, PIN_RESET);
PinIsOutput (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
PinSet (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#if BIT_BASH
PinIsOutput (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
PinSet (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
PinIsOutput (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
PinSet (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
#endif
SPI_INIT();
}
static inline void post_init_board(GDisplay *g) {
@ -82,77 +180,34 @@ static inline void set_backlight(GDisplay *g, uint8_t percent) {
static inline void acquire_bus(GDisplay *g) {
(void) g;
#if BIT_BASH
PinClear(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#else
spiStart(UEXT_SPI, &spiconfig);
spiSelect(UEXT_SPI);
#endif
SPI_GETBUS();
}
static inline void release_bus(GDisplay *g) {
(void) g;
#if BIT_BASH
PinSet(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#else
spiUnselect(UEXT_SPI);
spiStop(UEXT_SPI);
#endif
SPI_WAITCOMPLETE();
SPI_RELEASEBUS();
}
static inline void write_cmd(GDisplay *g, uint8_t cmd) {
(void) g;
// Command mode please
SPI_WAITCOMPLETE();
PinClear(PORT_DC, PIN_DC);
#if BIT_BASH
{
uint8_t bit;
for(bit = 0x80; bit; bit >>= 1) {
if(cmd & bit)
PinSet(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
else
PinClear(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
Delay(1);
PinClear(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
Delay(1);
PinSet(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
}
}
#else
spiStartSend(UEXT_SPI, 1, &cmd);
#endif
SPI_WRITEBYTE(cmd);
}
static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
// Data mode please
SPI_WAITCOMPLETE();
PinSet(PORT_DC, PIN_DC);
#if BIT_BASH
while(length--) {
uint8_t bit;
for(bit = 0x80; bit; bit >>= 1) {
if(*data & bit)
PinSet(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
else
PinClear(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
Delay(1);
PinClear(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
Delay(1);
PinSet(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
}
data++;
}
#else
spiStartSend(UEXT_SPI, length, data);
#endif
SPI_WRITEBYTES(data, length);
}
#endif /* _GDISP_LLD_BOARD_H */