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Remove sample-pair reordering in SGPIO interrupt -- CPLD fixes address this.

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This commit is contained in:
Jared Boone
2013-11-16 13:32:41 -08:00
parent 7ef9c1e932
commit 89eafaa79a
1 changed files with 0 additions and 8 deletions
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8
firmware/hackrf_usb/sgpio_isr.c
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@ -32,28 +32,20 @@ void sgpio_isr_rx() {
uint32_t* const p = (uint32_t*)&usb_bulk_buffer[usb_bulk_buffer_offset]; uint32_t* const p = (uint32_t*)&usb_bulk_buffer[usb_bulk_buffer_offset];
__asm__( __asm__(
"ldr r0, [%[SGPIO_REG_SS], #44]\n\t" "ldr r0, [%[SGPIO_REG_SS], #44]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #0]\n\t" "str r0, [%[p], #0]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #20]\n\t" "ldr r0, [%[SGPIO_REG_SS], #20]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #4]\n\t" "str r0, [%[p], #4]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #40]\n\t" "ldr r0, [%[SGPIO_REG_SS], #40]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #8]\n\t" "str r0, [%[p], #8]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #8]\n\t" "ldr r0, [%[SGPIO_REG_SS], #8]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #12]\n\t" "str r0, [%[p], #12]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #36]\n\t" "ldr r0, [%[SGPIO_REG_SS], #36]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #16]\n\t" "str r0, [%[p], #16]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #16]\n\t" "ldr r0, [%[SGPIO_REG_SS], #16]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #20]\n\t" "str r0, [%[p], #20]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #32]\n\t" "ldr r0, [%[SGPIO_REG_SS], #32]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #24]\n\t" "str r0, [%[p], #24]\n\t"
"ldr r0, [%[SGPIO_REG_SS], #0]\n\t" "ldr r0, [%[SGPIO_REG_SS], #0]\n\t"
"rev16 r0, r0\n\t" /* Swap QI -> IQ */
"str r0, [%[p], #28]\n\t" "str r0, [%[p], #28]\n\t"
: :
: [SGPIO_REG_SS] "l" (SGPIO_PORT_BASE + 0x100), : [SGPIO_REG_SS] "l" (SGPIO_PORT_BASE + 0x100),