Fix mistakes in the XPROGTarget.c/.h files for TPI mode software USART clock rate...

diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
index 7908c65..29397a6 100644 (file)
--- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
@@ -145,6 +145,8 @@ ISR(TIMER1_COMPB_vect, ISR_BLOCK)
 /** Enables the target's PDI interface, holding the target in reset until PDI mode is exited. */\r
 void XPROGTarget_EnableTargetPDI(void)\r
 {\r
+       IsSending = false;\r
+\r
 #if defined(XPROG_VIA_HARDWARE_USART)\r
        /* Set Tx and XCK as outputs, Rx as input */\r
        DDRD |=  (1 << 5) | (1 << 3);\r
@@ -160,10 +162,6 @@ void XPROGTarget_EnableTargetPDI(void)
        UBRR1  = (F_CPU / 1000000UL);\r
        UCSR1B = (1 << TXEN1);\r
        UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);\r
-\r
-       /* Send two BREAKs of 12 bits each to enable PDI interface (need at least 16 idle bits) */\r
-       XPROGTarget_SendBreak();\r
-       XPROGTarget_SendBreak();\r
 #else\r
        /* Set DATA and CLOCK lines to outputs */\r
        BITBANG_PDIDATA_DDR  |= BITBANG_PDIDATA_MASK;\r
@@ -174,20 +172,22 @@ void XPROGTarget_EnableTargetPDI(void)
        asm volatile ("NOP"::);\r
        asm volatile ("NOP"::);\r
 \r
-       /* Fire timer compare channel A ISR every 90 cycles to manage the software USART */\r
-       OCR1A   = 90;\r
+       /* Fire timer compare channel A ISR to manage the software USART */\r
+       OCR1A   = BITS_BETWEEN_USART_CLOCKS;\r
        TCCR1B  = (1 << WGM12) | (1 << CS10);\r
        TIMSK1  = (1 << OCIE1A);\r
-       \r
-       /* Send two BREAKs of 12 bits each to enable TPI interface (need at least 16 idle bits) */\r
+#endif\r
+\r
+       /* Send two BREAKs of 12 bits each to enable PDI interface (need at least 16 idle bits) */\r
        XPROGTarget_SendBreak();\r
        XPROGTarget_SendBreak();\r
-#endif\r
 }\r
 \r
 /** Enables the target's TPI interface, holding the target in reset until TPI mode is exited. */\r
 void XPROGTarget_EnableTargetTPI(void)\r
 {\r
+       IsSending = false;\r
+\r
        /* Set /RESET line low for at least 90ns to enable TPI functionality */\r
        RESET_LINE_DDR  |= RESET_LINE_MASK;\r
        RESET_LINE_PORT &= ~RESET_LINE_MASK;\r
@@ -204,10 +204,6 @@ void XPROGTarget_EnableTargetTPI(void)
        UBRR1  = (F_CPU / 1000000UL);\r
        UCSR1B = (1 << TXEN1);\r
        UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);\r
-\r
-       /* Send two BREAKs of 12 bits each to enable TPI interface (need at least 16 idle bits) */\r
-       XPROGTarget_SendBreak();\r
-       XPROGTarget_SendBreak();\r
 #else\r
        /* Set DATA and CLOCK lines to outputs */\r
        BITBANG_TPIDATA_DDR  |= BITBANG_TPIDATA_MASK;\r
@@ -216,15 +212,15 @@ void XPROGTarget_EnableTargetTPI(void)
        /* Set DATA line high for idle state */\r
        BITBANG_TPIDATA_PORT |= BITBANG_TPIDATA_MASK;\r
 \r
-       /* Fire timer capture channel B ISR every 90 cycles to manage the software USART */\r
-       OCR1B   = 9;\r
+       /* Fire timer capture channel B ISR to manage the software USART */\r
+       OCR1B   = BITS_BETWEEN_USART_CLOCKS;\r
        TCCR1B  = (1 << WGM12) | (1 << CS10);\r
        TIMSK1  = (1 << OCIE1B);\r
-       \r
+#endif\r
+\r
        /* Send two BREAKs of 12 bits each to enable TPI interface (need at least 16 idle bits) */\r
        XPROGTarget_SendBreak();\r
        XPROGTarget_SendBreak();\r
-#endif\r
 }\r
 \r
 /** Disables the target's PDI interface, exits programming mode and starts the target's application. */\r

diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
index 7aca20b..4abd891 100644 (file)
--- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
@@ -56,29 +56,7 @@
 \r
        /* Defines: */\r
                #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))\r
-//                     #define XPROG_VIA_HARDWARE_USART\r
-\r
-                       #define BITBANG_PDIDATA_PORT     PORTD\r
-                       #define BITBANG_PDIDATA_DDR      DDRD\r
-                       #define BITBANG_PDIDATA_PIN      PIND\r
-                       #define BITBANG_PDIDATA_MASK     (1 << 3)\r
-                       \r
-                       #define BITBANG_PDICLOCK_PORT    PORTD\r
-                       #define BITBANG_PDICLOCK_DDR     DDRD\r
-                       #define BITBANG_PDICLOCK_PIN     PIND\r
-                       #define BITBANG_PDICLOCK_MASK    (1 << 5)\r
-\r
-                       #define BITBANG_TPIDATA_PORT     PORTB\r
-                       #define BITBANG_TPIDATA_DDR      DDRB\r
-                       #define BITBANG_TPIDATA_PIN      PINB\r
-                       #define BITBANG_TPIDATA_MASK     (1 << 3)\r
-                               \r
-                       #define BITBANG_TPICLOCK_PORT    PORTB\r
-                       #define BITBANG_TPICLOCK_DDR     DDRB\r
-                       #define BITBANG_TPICLOCK_PIN     PINB\r
-                       #define BITBANG_TPICLOCK_MASK    (1 << 1)\r
-\r
-\r
+                       #define XPROG_VIA_HARDWARE_USART\r
                #else\r
                        #define BITBANG_PDIDATA_PORT     PORTB\r
                        #define BITBANG_PDIDATA_DDR      DDRB\r
@@ -101,55 +79,58 @@
                        #define BITBANG_TPICLOCK_MASK    (1 << 1)\r
                #endif\r
                \r
+               /** Number of cycles between each clock when software USART mode is used */\r
+               #define BITS_BETWEEN_USART_CLOCKS  100\r
+               \r
                /** Total number of bits in a single USART frame */\r
-               #define BITS_IN_USART_FRAME      12\r
+               #define BITS_IN_USART_FRAME        12\r
                \r
-               #define PDI_CMD_LDS              0x00\r
-               #define PDI_CMD_LD               0x20\r
-               #define PDI_CMD_STS              0x40\r
-               #define PDI_CMD_ST               0x60\r
-               #define PDI_CMD_LDCS             0x80\r
-               #define PDI_CMD_REPEAT           0xA0\r
-               #define PDI_CMD_STCS             0xC0\r
-               #define PDI_CMD_KEY              0xE0\r
+               #define PDI_CMD_LDS                0x00\r
+               #define PDI_CMD_LD                 0x20\r
+               #define PDI_CMD_STS                0x40\r
+               #define PDI_CMD_ST                 0x60\r
+               #define PDI_CMD_LDCS               0x80\r
+               #define PDI_CMD_REPEAT             0xA0\r
+               #define PDI_CMD_STCS               0xC0\r
+               #define PDI_CMD_KEY                0xE0\r
                \r
-               #define PDI_STATUS_REG           0\r
-               #define PDI_RESET_REG            1\r
-               #define PDI_CTRL_REG             2\r
+               #define PDI_STATUS_REG             0\r
+               #define PDI_RESET_REG              1\r
+               #define PDI_CTRL_REG               2\r
                \r
-               #define PDI_STATUS_NVM           (1 << 1)\r
-               #define PDI_RESET_KEY            0x59\r
+               #define PDI_STATUS_NVM             (1 << 1)\r
+               #define PDI_RESET_KEY              0x59\r
 \r
-               #define PDI_NVMENABLE_KEY        (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}\r
+               #define PDI_NVMENABLE_KEY          (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}\r
 \r
-               #define PDI_DATSIZE_1BYTE        0\r
-               #define PDI_DATSIZE_2BYTES       1\r
-               #define PDI_DATSIZE_3BYTES       2\r
-               #define PDI_DATSIZE_4BYTES       3\r
+               #define PDI_DATSIZE_1BYTE          0\r
+               #define PDI_DATSIZE_2BYTES         1\r
+               #define PDI_DATSIZE_3BYTES         2\r
+               #define PDI_DATSIZE_4BYTES         3\r
                \r
-               #define PDI_POINTER_INDIRECT     0\r
-               #define PDI_POINTER_INDIRECT_PI  1\r
-               #define PDI_POINTER_DIRECT       2\r
-\r
-               #define TPI_CMD_SLD              0x20\r
-               #define TPI_CMD_SST              0x60\r
-               #define TPI_CMD_SSTPR            0x68\r
-               #define TPI_CMD_SIN              0x10\r
-               #define TPI_CMD_SOUT             0x90\r
-               #define TPI_CMD_SLDCS            0x80\r
-               #define TPI_CMD_SSTCS            0xC0\r
-               #define TPI_CMD_SKEY             0xE0\r
-\r
-               #define TPI_STATUS_REG           0x00\r
-               #define TPI_CTRL_REG             0x02\r
-               #define TPI_ID_REG               0x0F\r
+               #define PDI_POINTER_INDIRECT       0\r
+               #define PDI_POINTER_INDIRECT_PI    1\r
+               #define PDI_POINTER_DIRECT         2\r
+\r
+               #define TPI_CMD_SLD                0x20\r
+               #define TPI_CMD_SST                0x60\r
+               #define TPI_CMD_SSTPR              0x68\r
+               #define TPI_CMD_SIN                0x10\r
+               #define TPI_CMD_SOUT               0x90\r
+               #define TPI_CMD_SLDCS              0x80\r
+               #define TPI_CMD_SSTCS              0xC0\r
+               #define TPI_CMD_SKEY               0xE0\r
+\r
+               #define TPI_STATUS_REG             0x00\r
+               #define TPI_CTRL_REG               0x02\r
+               #define TPI_ID_REG                 0x0F\r
                \r
-               #define TPI_STATUS_NVM           (1 << 1)\r
+               #define TPI_STATUS_NVM             (1 << 1)\r
 \r
-               #define TPI_NVMENABLE_KEY        (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}\r
+               #define TPI_NVMENABLE_KEY          (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}\r
 \r
-               #define TPI_POINTER_INDIRECT     0\r
-               #define TPI_POINTER_INDIRECT_PI  (1 << 2)\r
+               #define TPI_POINTER_INDIRECT       0\r
+               #define TPI_POINTER_INDIRECT_PI    (1 << 2)\r
                \r
        /* Function Prototypes: */\r
                void    XPROGTarget_EnableTargetPDI(void);\r