Add coprocessor support

This commit is contained in:
romolo.manfredini@gmail.com
2012-09-30 14:17:22 +00:00
parent 5e402bb5a5
commit 32b5f47992
7 changed files with 265 additions and 35 deletions
+215 -23
View File
@@ -140,7 +140,7 @@ void start_timer1()
ptc->TC_CHANNEL[1].TC_CCR = 5 ; // Enable clock and trigger it (may only need trigger)
// Sound_g.Frequency = 1000 ;
}
// Configure DAC1 (or DAC0 for REVB)
// Not sure why PB14 has not be allocated to the DAC, although it is an EXTRA function
@@ -227,46 +227,238 @@ void init_twi()
NVIC_EnableIRQ(TWI0_IRQn) ;
setVolume(2) ;
}
extern t_time Time;
static int8_t Volume_required ;
static uint8_t Volume_read_pending ;
static uint8_t CoProc_read_pending ;
static uint8_t CoProc_write_pending ;
static uint8_t CoProc_appgo_pending ;
uint8_t Volume_read ;
uint8_t Coproc_read ;
int8_t Coproc_valid ;
static uint8_t *Twi_read_address ;
static uint8_t TwiOperation ;
#define TWI_NONE 0
#define TWI_READ_VOL 1
#define TWI_WRITE_VOL 2
#define TWI_READ_COPROC 3
#define TWI_COPROC_APPGO 4
#define TWI_WAIT_STOP 5
#define TWI_WRITE_COPROC 6
// Commands to the coprocessor bootloader/application
#define TWI_CMD_PAGEUPDATE 0x01 // TWI Command to program a flash page
#define TWI_CMD_EXECUTEAPP 0x02 // TWI Command to jump to the application program
#define TWI_CMD_SETREAD_ADDRESS 0x03 // TWI Command to set address to read from
#define TWI_CMD_WRITE_DATA 0x04 // TWI Command send data to the application
#define COPROC_RX_BUXSIZE 22
uint8_t Co_proc_status[COPROC_RX_BUXSIZE] ;
uint8_t *Co_proc_write_ptr ;
uint32_t Co_proc_write_count ;
// This is called from an interrupt routine, or
// interrupts must be disabled while it is called
// from elsewhere.
void i2c_check_for_request()
{
if ( TWI0->TWI_IMR & TWI_IMR_TXCOMP )
{
return ; // Busy
}
if ( Volume_required >= 0 ) // Set volume to this value
{
TWI0->TWI_MMR = 0x002F0000 ; // Device 5E (>>1) and master is writing
TwiOperation = TWI_WRITE_VOL ;
TWI0->TWI_THR = Volume_required ; // Send data
Volume_required = -1 ;
TWI0->TWI_IER = TWI_IER_TXCOMP ;
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Tx
}
else if ( CoProc_read_pending )
{
Coproc_valid = 0 ;
CoProc_read_pending = 0 ;
TWI0->TWI_MMR = 0x00351000 ; // Device 35 and master is reading
TwiOperation = TWI_READ_COPROC ;
#ifndef SIMU
TWI0->TWI_RPR = (uint32_t)&Co_proc_status[0] ;
#endif
TWI0->TWI_RCR = COPROC_RX_BUXSIZE - 1 ;
if ( TWI0->TWI_SR & TWI_SR_RXRDY )
{
(void) TWI0->TWI_RHR ;
}
TWI0->TWI_PTCR = TWI_PTCR_RXTEN ; // Start transfers
TWI0->TWI_CR = TWI_CR_START ; // Start Rx
TWI0->TWI_IER = TWI_IER_RXBUFF | TWI_IER_TXCOMP ;
}
else if ( Volume_read_pending )
{
Volume_read_pending = 0 ;
TWI0->TWI_MMR = 0x002F1000 ; // Device 5E (>>1) and master is reading
TwiOperation = TWI_READ_VOL ;
Twi_read_address = &Volume_read ;
TWI0->TWI_CR = TWI_CR_START | TWI_CR_STOP ; // Start and stop Tx
TWI0->TWI_IER = TWI_IER_TXCOMP ;
}
else if ( CoProc_appgo_pending )
{
CoProc_appgo_pending = 0 ;
TWI0->TWI_MMR = 0x00350000 ; // Device 35 and master is writing
TwiOperation = TWI_COPROC_APPGO ;
TWI0->TWI_THR = TWI_CMD_EXECUTEAPP ; // Send appgo command
TWI0->TWI_IER = TWI_IER_TXCOMP ;
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Tx
}
else if ( CoProc_write_pending )
{
CoProc_write_pending = 0 ;
TWI0->TWI_MMR = 0x00350000 ; // Device 35 and master is writing
TwiOperation = TWI_WRITE_COPROC ;
#ifndef SIMU
TWI0->TWI_TPR = (uint32_t)Co_proc_write_ptr ;
#endif
TWI0->TWI_TCR = Co_proc_write_count ;
TWI0->TWI_THR = TWI_CMD_WRITE_DATA ; // Send write command
TWI0->TWI_PTCR = TWI_PTCR_TXTEN ; // Start data transfer
TWI0->TWI_IER = TWI_IER_TXBUFE | TWI_IER_TXCOMP ;
}
}
static int16_t volumeRequiredIrq ;
static const uint8_t Volume_scale[NUM_VOL_LEVELS] =
{
0, 2, 4, 6, 8, 10, 13, 17, 22, 27, 33, 40,
64, 82, 96, 105, 112, 117, 120, 122, 124, 125, 126, 127
} ;
void setVolume( register uint8_t volume )
void setVolume( unsigned char volume )
{
// PMC->PMC_PCER0 |= 0x00080000L ; // Enable peripheral clock to TWI0
if (volume >= NUM_VOL_LEVELS) {
volume = NUM_VOL_LEVELS - 1 ;
// PMC->PMC_PCER0 |= 0x00080000L ; // Enable peripheral clock to TWI0
if ( volume >= NUM_VOL_LEVELS )
{
volume = NUM_VOL_LEVELS - 1 ;
}
volume = Volume_scale[volume] ;
Volume_required = volume ;
__disable_irq() ;
if ( TWI0->TWI_IMR & TWI_IMR_TXCOMP ) {
volumeRequiredIrq = volume ;
}
else {
TWI0->TWI_THR = volume ; // Send data
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Tx
TWI0->TWI_IER = TWI_IER_TXCOMP ;
}
i2c_check_for_request() ;
__enable_irq() ;
}
void read_volume()
{
Volume_read_pending = 1 ;
__disable_irq() ;
i2c_check_for_request() ;
__enable_irq() ;
}
void read_coprocessor()
{
CoProc_read_pending = 1 ;
__disable_irq() ;
i2c_check_for_request() ;
__enable_irq() ;
}
void write_coprocessor( uint8_t *ptr, uint32_t count )
{
Co_proc_write_ptr = ptr ;
Co_proc_write_count = count ;
CoProc_write_pending = 1 ;
__disable_irq() ;
i2c_check_for_request() ;
__enable_irq() ;
}
void appgo_coprocessor()
{
CoProc_appgo_pending = 1 ;
__disable_irq() ;
i2c_check_for_request() ;
__enable_irq() ;
}
extern "C" void TWI0_IRQHandler()
{
if ( volumeRequiredIrq >= 0 ) {
TWI0->TWI_THR = volumeRequiredIrq ; // Send data
volumeRequiredIrq = -1 ;
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Tx
if ( TwiOperation == TWI_READ_VOL )
{
if ( TWI0->TWI_SR & TWI_SR_RXRDY )
{
*Twi_read_address = TWI0->TWI_RHR ; // Read data
}
}
else {
TWI0->TWI_IDR = TWI_IDR_TXCOMP ;
if ( TwiOperation == TWI_READ_COPROC )
{
if ( TWI0->TWI_SR & TWI_SR_RXBUFF )
{
TWI0->TWI_IDR = TWI_IDR_RXBUFF ;
TwiOperation = TWI_WAIT_STOP ;
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Rx
TWI0->TWI_RCR = 1 ; // Last byte
return ;
}
else
{
Coproc_valid = -1 ;
}
}
if ( TwiOperation == TWI_WAIT_STOP )
{
Coproc_valid = 1 ;
Coproc_read = Co_proc_status[0] ;
if ( Coproc_read & 0x80 ) // Bootloader
{
CoProc_appgo_pending = 1 ; // Action application
}
else
{ // Got data from tiny app
// Set the date and time
t_time *p = &Time ;
p->second = Co_proc_status[1] ;
p->minute = Co_proc_status[2] ;
p->hour = Co_proc_status[3] ;
p->date= Co_proc_status[4] ;
p->month = Co_proc_status[5] ;
p->year = Co_proc_status[6] + ( Co_proc_status[7] << 8 ) ;
}
TWI0->TWI_PTCR = TWI_PTCR_RXTDIS ; // Stop transfers
if ( TWI0->TWI_SR & TWI_SR_RXRDY )
{
(void) TWI0->TWI_RHR ; // Discard any rubbish data
}
}
// if ( TwiOperation == TWI_WRITE_VOL )
// {
// }
if ( TwiOperation == TWI_WRITE_COPROC )
{
if ( TWI0->TWI_SR & TWI_SR_TXBUFE )
{
TWI0->TWI_IDR = TWI_IDR_TXBUFE ;
TWI0->TWI_CR = TWI_CR_STOP ; // Stop Tx
TWI0->TWI_PTCR = TWI_PTCR_TXTDIS ; // Stop transfers
TwiOperation = TWI_NONE ;
return ;
}
}
TWI0->TWI_IDR = TWI_IDR_TXCOMP | TWI_IDR_TXBUFE | TWI_PTCR_TXTDIS ;
if ( TWI0->TWI_SR & TWI_SR_NACK )
{
}
TwiOperation = TWI_NONE ;
i2c_check_for_request() ;
}
+4
View File
@@ -45,6 +45,10 @@ extern void setFrequency( uint32_t frequency ) ;
extern void start_timer1( void ) ;
extern void initDac( void ) ;
extern void end_sound( void ) ;
extern void write_coprocessor( uint8_t *ptr, uint32_t count ) ;
extern void read_coprocessor( void ) ;
extern uint8_t Coproc_read ;
extern int8_t Coproc_valid ;
extern uint16_t *nextAudioData;
extern uint16_t nextAudioSize;
+27 -8
View File
@@ -37,9 +37,17 @@ const pm_uchar sticks[] PROGMEM = {
#include "sticks.lbm"
};
#if defined(PCBARM)
struct t_i2cTime
{
uint8_t setCode ;
uint8_t Time[7] ;
} I2CTime ;
#endif
enum EnumTabDiag {
e_Setup,
#if defined(PCBV4) && defined(SDCARD)
#if (defined(PCBV4) && defined(SDCARD)) || defined(PCBARM)
e_FrskyTime,
#endif
#if defined(SDCARD)
@@ -53,7 +61,7 @@ enum EnumTabDiag {
};
void menuProcSetup(uint8_t event);
#if defined(PCBV4) && defined(SDCARD)
#if (defined(PCBV4) && defined(SDCARD)) || defined (PCBARM)
void menuProcTime(uint8_t event);
#endif
#if defined(SDCARD)
@@ -67,7 +75,7 @@ void menuProcDiagCalib(uint8_t event);
const MenuFuncP_PROGMEM menuTabDiag[] PROGMEM = {
menuProcSetup,
#if defined(PCBV4) && defined(SDCARD)
#if (defined(PCBV4) && defined(SDCARD)) || defined (PCBARM)
menuProcTime,
#endif
#if defined(SDCARD)
@@ -439,7 +447,7 @@ void menuProcSetup(uint8_t event)
}
#if defined(PCBV4) && defined(SDCARD)
#if (defined(PCBV4) && defined(SDCARD)) || defined(PCBARM)
// SD card interface contains Real-Time-Clock chip
void menuProcTime(uint8_t event)
{
@@ -459,9 +467,9 @@ void menuProcTime(uint8_t event)
case EVT_KEY_FIRST(KEY_MENU):
if (sub >= 0 && s_editMode<=0) // set the date and time into RTC chip
{
g_ms100 = 0; // start of next second begins now
#if (defined(PCBV4) && defined(SDCARD))
g_unixTime = gmktime(&t); // update local timestamp and get wday calculated
g_ms100 = 0; // start of next second begins now
RTC rtc;
rtc.year = t.tm_year + 1900;
rtc.month = t.tm_mon + 1;
@@ -470,14 +478,25 @@ void menuProcTime(uint8_t event)
rtc.min = t.tm_min;
rtc.sec = t.tm_sec;
rtc.wday = t.tm_wday + 1;
rtc_settime(&rtc);
#else
I2CTime.setCode = 0x74 ; // Tiny SET TIME CODE command
I2CTime.Time[0] = t.tm_sec ;
I2CTime.Time[1] = t.tm_min ;
I2CTime.Time[2] = t.tm_hour ;
I2CTime.Time[3] = t.tm_mday ;
I2CTime.Time[4] = t.tm_mon+1 ;
I2CTime.Time[5] = (uint8_t) (t.tm_year+1900) ;
I2CTime.Time[6] = (t.tm_year+1900) >> 8 ;
write_coprocessor( (uint8_t *) &I2CTime, 8 ) ;
#endif
}
break;
}
#if (defined(PCBV4) && defined(SDCARD))
if (s_editMode<=0) filltm(&g_unixTime, &t);
#endif
lcd_putc(FW*10+2, FH*2, '-'); lcd_putc(FW*13, FH*2, '-');
lcd_putc(FW*10+1, FH*4, ':'); lcd_putc(FW*13-1, FH*4, ':');
+2
View File
@@ -87,6 +87,8 @@ ModelData g_model;
#if !defined(PCBARM)
uint8_t g_tmr1Latency_max;
uint8_t g_tmr1Latency_min;
#else
t_time Time;
#endif
uint8_t unexpectedShutdown = 0;
+13
View File
@@ -904,6 +904,19 @@ extern void deleteExpoMix(uint8_t expo, uint8_t idx);
extern void incSubtrim(uint8_t idx, int16_t inc);
extern void instantTrim();
extern void moveTrimsToOffsets();
#if defined(PCBARM)
typedef struct
{
unsigned char second; //enter the current time, date, month, and year
unsigned char minute;
unsigned char hour;
unsigned char date;
unsigned char month;
unsigned int year;
} t_time ;
extern t_time Time ;
#endif
#if defined(PCBARM)
#define ACTIVE_EXPOS_TYPE uint32_t
+2 -2
View File
@@ -87,7 +87,7 @@ const pm_char STR_OPEN9X[] PROGMEM =
#if defined(DSM2)
ISTR(DSM2MODE)
#endif
#if defined(PCBV4)
#if defined(PCBV4) || defined (PCBARM)
ISTR(DATETIME)
#endif
;
@@ -233,7 +233,7 @@ const pm_char STR_EEPROMOVERFLOW[] PROGMEM = TR_EEPROMOVERFLOW;
const pm_char STR_TRIMS2OFFSETS[] PROGMEM = TR_TRIMS2OFFSETS;
const pm_char STR_MENURADIOSETUP[] PROGMEM = TR_MENURADIOSETUP;
#ifdef PCBV4
#if defined(PCBV4) || defined(PCBARM)
const pm_char STR_MENUDATEANDTIME[] PROGMEM = TR_MENUDATEANDTIME;
#endif
+2 -2
View File
@@ -126,7 +126,7 @@ extern const pm_char STR_OPEN9X[];
#else
#define OFS_ENDDSM2 (OFS_VTMRMODES + sizeof(TR_VTMRMODES))
#endif
#if defined(PCBV4)
#if defined(PCBV4) || defined (PCBARM)
#define OFS_DATETIME (OFS_ENDDSM2)
#endif
@@ -190,7 +190,7 @@ extern const pm_char STR_OPEN9X[];
#define STR_VRENCODERS (STR_OPEN9X + OFS_VRENCODERS)
#endif
#if defined(PCBV4)
#if defined(PCBV4) || defined(PCBARM)
#define STR_DATETIME (STR_OPEN9X + OFS_DATETIME)
#endif